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Artykuły w czasopismach na temat „Dry etch”

Autor: Grafiati

Data publikacji: 28 września 2024

Data aktualizacji: 31 lipca 2025

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1

Lee, Jong Seok, Geun Min Choi, Ji Nok Jung, et al. "Development of a Integrated Dry/Wet Hybrid Cleaning System." Solid State Phenomena 195 (December 2012): 21–24. http://dx.doi.org/10.4028/www.scientific.net/ssp.195.21.

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With scaling of ULSI devices, the process temperatures are continuously lowered. The oxide films, which were deposited at low temperature, show fast etching rates during wet etching compared to high temperature films. Also, the etch rates differ largely from other film deposition conditions. In order to overcome these etch rate differences during surface preparation, dry cleaning processes had been introduced where the etch selectivity of the soft oxide films to the thermal oxide are very similar, regardless of the film deposition conditions and the deposition temperature.

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2

Castro, Marcelo S. B., Sebastien Barnola, and Barbara Glück. "Selective and Anisotropic Dry Etching of Ge over Si." Journal of Integrated Circuits and Systems 8, no. 2 (2013): 104–9. http://dx.doi.org/10.29292/jics.v8i2.380.

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Inductively coupled plasma (ICP) etching of Ge with high selectivity over Si and anisotropic etched profiles using CF4, HBr, SF6, and Cl2 reactive gases has been studied. Because pressure and biased power should be the most important parameters to drive selectivity and etch profile, they were varied from 4 to 50 mTorr and from 0 to 50 W, respectively, so as to investigate their influence on process. Total gas flow (100 sccm) and source power (350 W) were initially held constant. Selectivity greater than 100:1 of Ge over Si was achieved using 100 % Cl2 etch gas at 50 mTorr and zero bias power b

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3

PARK, JONG CHEON, JIN KON KIM, TAE GYU KIM, et al. "DRY ETCHING OF SnO2 AND ZnO FILMS IN HALOGEN-BASED INDUCTIVELY COUPLED PLASMAS." International Journal of Modern Physics B 25, no. 31 (2011): 4237–40. http://dx.doi.org/10.1142/s0217979211066660.

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High density plasma etching of SnO 2 and ZnO films was performed in chlorine- ( Cl 2/ Ar and BCl 3/ Ar ) and fluorine-based ( CF 4/ Ar and SF 6/ Ar ) inductively coupled plasmas. The etch process window for fabricating metal oxide nanowires with high aspect ratios including high and controllable etch rates, high etch selectivities to mask material and high anisotropy was established. Maximum etch rates of ~2050 Å/minute ( BCl 3/ Ar ) and ~1950 Å/minute ( SF 6/ Ar ) for ZnO , and ~1950 Å/minute ( Cl 2/ Ar ) and ~2000 Å/minute ( SF 6/ Ar ) for SnO 2 were obtained. Ni was found to provide very hi

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4

Kwon, Jiyoung, Jungwon Kim, Dongseok Choi, and Duck-Su Kim. "The Influence of Drying Time, Application Mode, and Agitation on the Dentin Bond Strength of a Novel Mesoporous Bioactive Glass-Containing Universal Dentin Adhesive." Journal of Functional Biomaterials 16, no. 7 (2025): 247. https://doi.org/10.3390/jfb16070247.

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This study evaluated the influence of drying time, application mode, and agitation on the micro-tensile bond strength (μTBS) of a novel mesoporous bioactive glass-containing universal adhesive (Hi-Bond Universal). Twelve experimental groups were established according to drying time (blot-dry, 10 s dry, or 20 s dry), application mode (total-etch or self-etch), and agitation (with or without). The μTBS test and failure mode analysis were performed for each experimental group (n = 20), and an adhesive interface was observed using field-emission scanning electron microscopy. The μTBS of all experi

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5

Lenzi, Tathiane Larissa, Fabio Zovico Maxnuck Soares, and Rachel de Oliveira Rocha. "Does Bonding Approach Influence the Bond Strength of Universal Adhesive to Dentin of Primary Teeth?" Journal of Clinical Pediatric Dentistry 41, no. 3 (2017): 214–18. http://dx.doi.org/10.17796/1053-4628-41.3.214.

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Objective: To evaluate the effect of bonding strategy on microtensile bond strength (μTBS) of a new universal adhesive system to primary tooth dentin. Study design: Flat dentin surfaces from 25 primary molars were assigned to 5 groups according to the adhesive and bonding approach: Adper Single Bond 2 (two-step etch-and-rinse adhesive) and Clearfil SE Bond (two-step self-etch system), as controls; Scotchbond Universal Adhesive–self-etch, dry or wet-bonding etch-and-rinse strategies. Composite buildups were constructed and the teeth were sectioned to obtain bonded sticks (0.8 mm2) to be tested

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6

Chiang, Chao-Ching, Xinyi Xia, Jian-Sian Li, Fan Ren та Stephen J. Pearton. "Selective Wet and Dry Etching of NiO over β-Ga₂O₃". ECS Transactions 111, № 2 (2023): 73–83. http://dx.doi.org/10.1149/11102.0073ecst.

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Patterning of NiO/Ga2O3 heterojunctions requires the development of selective wet and dry etch processes. Solutions of 1:4 HNO3 :H2O exhibited measurable etch rates for NiO above 40 °C and activation energy for wet etching of 172.9 kJ.mol-1 (41.3 kCal.mol-1, 1.8 eV/atom), which is firmly in the reaction-limited regime. The selectivity over β-Ga2O3 was infinite for temperatures up to 55°C. The strong negative enthalpy for producing the etch product Ga(OH)4 suggests that HNO3-based wet etching of NiO occurs via the formation and dissolution of hydroxides. For dry etching, Cl2/Ar Inductively Coup

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7

Szweda, Roy. "Dry etch processes for optoelectronic devices." III-Vs Review 14, no. 1 (2001): 42–47. http://dx.doi.org/10.1016/s0961-1290(01)89007-4.

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8

Heidenblut, Maria, D. Sturm, Alfred Lechner, and Franz Faupel. "Characterization of Post Etch Residues Depending on Resist Removal Processes after Aluminum Etch." Solid State Phenomena 145-146 (January 2009): 349–52. http://dx.doi.org/10.4028/www.scientific.net/ssp.145-146.349.

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The subject of this report is the characterization of plasma etch residues after a metal etch process with Cl2/BCl3 etch gases. One of the interactive factors in the removability of the residues is the photo-mask removal process (DSQ). Depending on the DSQ process the molecular structure of the residues will differ. For our findings, we used laser spectroscopy and Fourier-transformed infrared spectroscopy to obtain information about the degree of the cross-linking of the molecular structure of residues in a post-metal etch cleaning process. The post-etch cleaning is important for removing resi

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9

Kang, In Ho, Wook Bahng, Sung Jae Joo, Sang Cheol Kim, and Nam Kyun Kim. "Post Annealing Etch Process for Improved Reverse Characteristics of 4H-SiC Diode." Materials Science Forum 615-617 (March 2009): 663–66. http://dx.doi.org/10.4028/www.scientific.net/msf.615-617.663.

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The effects of post annealing etch process on electrical performances of a 4H-SiC Schottky diodes without any edge termination were investigated. The post etch was carried out using various dry the dry etch techniques such as Inductively Coupled Plasma (ICP) and Neutral Beam Etch (NBE) in order to eliminate suspicious surface damages occurring during a high temperature ion activation process. The leakage current of diodes treated by NBE measured at -100V was about one order lower than that of diode without post etch and a half times lower than that of diode treated by ICP without a significant

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10

Sung, Da In, Hyun Woo Tak, Dong Woo Kim, and Geun Young Yeom. "A comparative study of Cx(x = 4, 5, 7)F8 plasmas for dry etch processing." Materials Express 10, no. 6 (2020): 903–8. http://dx.doi.org/10.1166/mex.2020.1776.

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In this study, the SiO2 etch characteristics of perfluorocarbon such as C4F8, C5F8, and C7F8 were investigated using inductively coupled plasmas (ICPs) to study the effect of a high C/F ratio on the etch characteristics of SiO2 for the ICP. The SiO2 rates and etch selectivities over Si3N4 and amorphous carbon layer (ACL) were measured by using the mixtures of Cx(x = 4, 5, 7)F8/Ar/O2. The higher C/F ratio of perfluorocarbon showed lower SiO2 etch rate but exhibited higher etch selectivities over Si3N4 and ACL due to the higher C2 while keeping the similar F in the plasma as observed by optical

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11

Altamirano-Sanchez, Efrain, Yoko Yamaguchi, Jeffrey Lindain, et al. "Dry Etch Fin Patterning of a Sub-22nm Node SRAM Cell: EUV Lithography New Dry Etch Challenges." ECS Transactions 34, no. 1 (2019): 377–82. http://dx.doi.org/10.1149/1.3567607.

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12

Farrow, Woodrow D., and Jay Richman. "Summary Abstract: Advanced dry etch processing with a DRY pump." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 6, no. 3 (1988): 1263. http://dx.doi.org/10.1116/1.575686.

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13

Cho, Yoon Jae, Su Myung Ha, and Chee Won Chung. "Effect of Thickness and Sidewall Slope of Photoresist Mask on Etch Profile of Copper Interconnect." ECS Meeting Abstracts MA2024-01, no. 30 (2024): 1517. http://dx.doi.org/10.1149/ma2024-01301517mtgabs.

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We performed high density plasma reactive ion etching of copper thin films using organic gas mixture to define fine patterns less than 10 μm for the application of display devices. However, since redeposition in dry etching of copper thin films frequently occurs due to extremely low reactivity, the etch variables which affect the formation of redeposition were investigated. In this study, the photoresist (PR) masks were employed to etch copper thin films. The effects of the thickness of PR and the sidewall slope of PR on etch profile and redeposition were examined. The thickness of PR mask wer

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14

Guo, Ted, Wesley Yu, C. C. Chien, et al. "Single Wafer Selective Silicon Nitride Removal with Phosphoric Acid and Steam." Solid State Phenomena 219 (September 2014): 97–100. http://dx.doi.org/10.4028/www.scientific.net/ssp.219.97.

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A single wafer silicon nitride (SiN) selective etch process with an etch rate greater than 80A/min of low-pressure chemical vapor deposited (LPCVD) SiN has been developed. Previous work with a similar single wafer system utilized a mixture of sulfuric acid, phosphoric acid and steam to achieve a high SiN etch rate [1]. The process in this work relies on phosphoric acid and steam for a high SiN etch rate. In both of these applications, addition of steam doubles the SiN etch rate. The single wafer system utilizes a closed chamber design with integrated spray bar to uniformly dispense hot phospho

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15

Morshed, Muhammad M., and Stephen M. Daniels. "Investigation of Dry Plasma Etching of Silicon." Advanced Materials Research 83-86 (December 2009): 1051–58. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.1051.

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Meso-scale structures are formed on a silicon surface using a sulphur hexafluoride (SF6) based dry etching process. Etched feature parameters, including etch rate, trench profile, and selectivity are explored using an optical emission spectroscopy and a resonance hairpin probe. With increasing process power, the etch rate was observed to increase, which was correlated with an observed increase in intensity of fluorine emission. Damage of the photoresist with increasing power was observed and a marked increase in hydrogen (H) emission was found to indicate this fault. The electron density and t

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16

Adesida, I., C. Youtsey, A. T. Ping, F. Khan, L. T. Romano, and G. Bulman*. "Dry and Wet Etching for Group III – Nitrides." MRS Internet Journal of Nitride Semiconductor Research 4, S1 (1999): 38–48. http://dx.doi.org/10.1557/s1092578300002222.

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The group-III nitrides have become versatile semiconductors for short wavelength emitters, high temperature microwave transistors, photodetectors, and field emission tips. The processing of these materials is significant due to the unusually high bond energies that they possess. The dry and wet etching methods developed for these materials over the last few years are reviewed. High etch rates and highly anisotropic profiles obtained by inductively-coupled-plasma reactive ion etching are presented. Photoenhanced wet etching provides an alternative path to obtaining high etch rates without ion-i

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17

Pelka, J., K. P. Muller, and H. Mader. "Simulation of dry etch processes by COMPOSITE." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 7, no. 2 (1988): 154–59. http://dx.doi.org/10.1109/43.3144.

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18

Rahman, M. "Channeling and diffusion in dry-etch damage." Journal of Applied Physics 82, no. 5 (1997): 2215–24. http://dx.doi.org/10.1063/1.366028.

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19

Shul, R. J., G. B. McClellan, S. J. Pearton, C. R. Abernathy, C. Constantine, and C. Barratt. "Comparison of dry etch techniques for GaN." Electronics Letters 32, no. 15 (1996): 1408. http://dx.doi.org/10.1049/el:19960943.

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20

Norasetthekul, S., P. Y. Park, K. H. Baik, et al. "Dry etch chemistries for TiO2 thin films." Applied Surface Science 185, no. 1-2 (2001): 27–33. http://dx.doi.org/10.1016/s0169-4332(01)00562-1.

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21

McDaniel, G., J. W. Lee, E. S. Lambers, et al. "Comparison of dry etch chemistries for SiC." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 15, no. 3 (1997): 885–89. http://dx.doi.org/10.1116/1.580726.

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22

Hu, Evelyn L., and Ching-Hui Chen. "Dry etch damage in III–V semiconductors." Microelectronic Engineering 35, no. 1-4 (1997): 23–28. http://dx.doi.org/10.1016/s0167-9317(96)00123-2.

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23

Hussain, Muhammad Mustafa, Gabriel Gebara, Barry Sassman, Sidi Lanee, and Larry Larson. "Highly selective isotropic dry etch based nanofabrication." Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 25, no. 4 (2007): 1416. http://dx.doi.org/10.1116/1.2756544.

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24

Zhu, Tongtong, Petros Argyrakis, Enrico Mastropaolo, Kin Kiong Lee, and Rebecca Cheung. "Dry etch release processes for micromachining applications." Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 25, no. 6 (2007): 2553. http://dx.doi.org/10.1116/1.2794074.

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25

Yoon, Ho-Won, Seung-Min Shin, Seong-Yong Kwon, Hyun-Min Cho, Sang-Gab Kim, and Mun-Pyo Hong. "One-Step Etching Characteristics of ITO/Ag/ITO Multilayered Electrode in High-Density and High-Electron-Temperature Plasma." Materials 14, no. 8 (2021): 2025. http://dx.doi.org/10.3390/ma14082025.

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This paper presents the dry etching characteristics of indium tin oxide (ITO)/Ag/ITO multilayered thin film, used as a pixel electrode in a high-resolution active-matrix organic light-emitting diode (AMOLED) device. Dry etching was performed using a combination of H2 and HCl gases in a reactive ion etching system with a remote electron cyclotron resonance (ECR) plasma source, in order to achieve high electron temperature. The effect of the gas ratio (H2/HCl) was closely observed, in order to achieve an optimal etch profile and an effective etch process, while other parameters—such as the radio

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26

Xu, Ya-dong, Zhao-jian Wu, Meng-xiang Sun, Fu-gang Zhang, and Zhen-yu Wang. "P‐40: TFT‐LCD a‐Si Wet Etch Technology." SID Symposium Digest of Technical Papers 54, no. 1 (2023): 1462–65. http://dx.doi.org/10.1002/sdtp.16864.

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In this paper, we investigate a technology to change the method and principle of n+ a‐Si:H etching from conventional dry etch to the innovative wet etch in TFT LCD fabrication. The technology is based on the development of a new wet metal etching solution and the design of the thinnest film thickness of a‐Si:H in the industry, combined with the etching process development, to achieve the etching of two different film layers of metal and N+ a‐Si:H in the back channel of TFT switches in one‐ step(Abbreviated as NW process). The process can effectively improve the capacity of Dry Etch process (Sk

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27

Jiang, Li Li, Shi Xing Jia, and J. Zhu. "The Oxygen Plasma Dry Release Process of the Membrane Bridge of RF MEMS Switches." Key Engineering Materials 562-565 (July 2013): 1238–41. http://dx.doi.org/10.4028/www.scientific.net/kem.562-565.1238.

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In this paper the oxygen plasma dry release process for membrane-bridge RF MEMS switches is studied and several methods are used to improve the dry release process. The residual PR (Photoresist) on the device substrate after different process time are observed and measured in this paper. The measured data shows that the residual PR exponentially reduces with etch time. It is found that the residual PR on the bottom surface of the membrane bridge is more than that on the substrate. The completely released RF MEMS switch using oxygen plasma dry etch process is obtained.

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28

Zhong, Zhi Qin, Cheng Tao Yang, Guo Jun Zhang, Shu Ya Wang, and Li Ping Dai. "Inductively Coupled Plasma Etching of Pt/Ti Electrodes in Cl-Based Plasma." Advanced Materials Research 721 (July 2013): 346–49. http://dx.doi.org/10.4028/www.scientific.net/amr.721.346.

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Dry etching of Pt/Ti film was carried out using Cl2/Ar plasmas in an inductively coupled plasma (ICP) reactor. The influence of the various process parameters, such as RIE power, ICP power and Cl2/Ar gas mixing ratio, on the etch rate and selectivity of photoresist to Pt/Ti film were investigated systematically and optimized. It was revealed that the etch rate and the selectivity strongly depended on the key process parameters. The etch rate was found to increase dramatically with increasing of RIE power and ICP power. But by changing the ratio of Cl2 to the total gas, the maximum etch rate co

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29

Tang, Chen, Atsushi Sekiguchi, Yosuke Ohta, Yoshihiko Hirai, and Masaaki Yasuda. "Surface property control for 193 nm immersion resist by addition of Si compound." Journal of Vacuum Science & Technology B 41, no. 1 (2023): 012602. http://dx.doi.org/10.1116/6.0002128.

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In ArF immersion lithography, the presence of immersion liquid between the resist surface and the lens causes problems, such as the leaching of the photoacid generator into the liquid and the presence of residual liquid on the resist surface, which can result in watermarks and other defects. One method to address such issues is adding an F-based compound with low dry-etch resistance to the resist. In the present study, we developed a novel resist for ArF immersion exposure that replaces the F compound with an Si (dimethylpolysiloxane)-based additive to enhance dry-etch resistance. We experimen

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30

Ahmad, Habib, Zachary Engel, Muneeb Zia, et al. "Cascaded Ni hard mask to create chlorine-based ICP dry etched deep mesas for high-power devices." Semiconductor Science and Technology 36, no. 12 (2021): 125016. http://dx.doi.org/10.1088/1361-6641/ac3372.

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Abstract A highly selective cascaded Ni hard mask without stress and film damage issues suitable for the formation of deep vertical mesas for high-power devices is presented. A Cl2/BCl3/Ar inductively coupled plasma dry etch was used to investigate the effect of photoresist, and patterned Ni hard masks applied via four different methods on the etch rate of GaN, and mask selectivity. Strain in the e-beam only deposited Ni films produced low yield due to poor adhesion. Electroplated Ni showed rough mask morphology. Sputtered Ni left damage/chemically reacted layers on the GaN under the mask. A c

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31

Saeki, H., A. Shigetomi, Y. Watakabe, and T. Kato. "High Sensitivity, Dry‐Etch‐Resistant Negative EB Resist." Journal of The Electrochemical Society 133, no. 6 (1986): 1236–39. http://dx.doi.org/10.1149/1.2108825.

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Pearton, S. J., J. W. Lee, J. M. Grow, M. Bhaskaran, and F. Ren. "Thermal stability of dry etch damage in SiC." Applied Physics Letters 68, no. 21 (1996): 2987–89. http://dx.doi.org/10.1063/1.116672.

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Pearton, S. J., J. W. Lee, J. D. MacKenzie, C. R. Abernathy, and R. J. Shul. "Dry etch damage in InN, InGaN, and InAlN." Applied Physics Letters 67, no. 16 (1995): 2329–31. http://dx.doi.org/10.1063/1.114334.

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Pearton, S. J., U. K. Chakrabarti, F. Ren, et al. "New dry-etch chemistries for III–V semiconductors." Materials Science and Engineering: B 25, no. 2-3 (1994): 179–85. http://dx.doi.org/10.1016/0921-5107(94)90222-4.

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Bai, Chuannan, Eugene Shalyt, Guang Liang, and Peter Bratin. "Monitoring of Wet Etch for Wafer Thinning and Via Reveal Process." International Symposium on Microelectronics 2013, no. 1 (2013): 000008–12. http://dx.doi.org/10.4071/isom-2013-ta13.

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TSV (Through Silicon Vias) are usually formed and deposited as blind vias. As a last stage, vias are opened by thinning of the back side of the wafer. While the bulk of the silicon can be removed by both wet and dry methods, the final step of the “Via Reveal” process is predominantly performed by wet etch. Two commonly used types of etching solutions are anisotropic alkaline etch (KOH, TMAH, etc.) and isotropic etch (HF/HNO3, etc.). Etch rate, uniformity, and product characteristics strongly depend on the composition of solution: both original compounds and reaction products. This presentation

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36

Kleinschmidt, Ann-Kathrin, Lars Barzen, Johannes Strassner, et al. "Precise in situ etch depth control of multilayered III−V semiconductor samples with reflectance anisotropy spectroscopy (RAS) equipment." Beilstein Journal of Nanotechnology 7 (November 21, 2016): 1783–93. http://dx.doi.org/10.3762/bjnano.7.171.

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Reflectance anisotropy spectroscopy (RAS) equipment is applied to monitor dry-etch processes (here specifically reactive ion etching (RIE)) of monocrystalline multilayered III–V semiconductors in situ. The related accuracy of etch depth control is better than 16 nm. Comparison with results of secondary ion mass spectrometry (SIMS) reveals a deviation of only about 4 nm in optimal cases. To illustrate the applicability of the reported method in every day settings for the first time the highly etch depth sensitive lithographic process to form a film lens on the waveguide ridge of a broad area la

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37

Knowles, Matthew, Andy Hooper, and Kip Pettigrew. "Laser Processing and Integration for Si Interposers and 3D Packaging Applications." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, DPC (2012): 001783–806. http://dx.doi.org/10.4071/2012dpc-wp15.

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Presented here are laser processes for drilling debris-free and recast-free vias in silicon that are then integrated into downstream process. The process strategy consists of an integrated laser via drill system combined with an isotropic etch. By careful selection of both the laser and etch process parameters it is possible to control the via depth, diameter, sidewall slope/taper, and to eliminate the damaged Si material in the laser heat affected zone. Because the etch process is selective to Si, this is a mask-free and cost-effective process. Two different processes are demonstrated. For Pa

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38

Choi, Jae Hak, Phil Hyun Kang, Young Chang Nho, and Sung Kwon Hong. "POSS-Containing Nanocomposite Materials for Next Generation Nanolithography." Solid State Phenomena 119 (January 2007): 299–302. http://dx.doi.org/10.4028/www.scientific.net/ssp.119.299.

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Nanocomposite materials based on poly(p-hydroxystyrene-co-2-methyl-2-adamantyl methacrylate-co-methacrylisobutyl-POSS) were synthesized and evaluated as EUV chemically amplified resists. Incorporation of 2-methyl-2-adamantyl and POSS groups into the matrix polymer made it possible to improve the dry-etch resistance, and excellent lithographic performance was obtained. The well-defined 250 nm positive patterns were obtained using a KrF excimer laser scanner, and 100 nm elbow patterns using an EUV lithography tool. The dry-etch resistance of this resist for a CF4-based plasma was comparable to t

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Shang, Zheng Guo, Dong Ling Li, Sheng Qiang Wang, and Jian Hua Liu. "Application of ICP Deep Trenches Etching in the Fabrication of FBAR Devices." Key Engineering Materials 503 (February 2012): 293–97. http://dx.doi.org/10.4028/www.scientific.net/kem.503.293.

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It is presented a fabrication processing of a two step method in deep silicon etching for MEMS applications using an the UK company Surface Technology Systems plc (STS), inductively-coupled plasma (ICP) etch technique STS ICP deep dry etching system. A brief introduction of schematic process of etching deep trenches on silicon substrate is first given, then with two step method for etching deep trenches. The film bulk acoustic resonator (FBAR) devices have been fabricated using STS ICP deep dry etching system with maximum etch rate of 4.6μ m/min, depth more than 450μm and sidewall roughness no

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Dhara, Sushovan, Nidhin Kurian Kalarickal, Ashok Dheenan, Chandan Joishi та Siddharth Rajan. "β-Ga₂O₃ Schottky barrier diodes with 4.1 MV/cm field strength by deep plasma etching field-termination". Applied Physics Letters 121, № 20 (2022): 203501. http://dx.doi.org/10.1063/5.0123284.

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In this work, we demonstrate a deep mesa etch design for efficient edge field termination in β-Ga2O3 Schottky barrier diodes (SBDs). The proposed design enabled parallel plate fields higher than 4.1 MV/cm with negligible change to the device ON characteristics. The effect of BCl3/Cl2-based dry etch on (100) and (010) etched vertical sidewalls is also analyzed. A remarkable anisotropy in depletion was observed for etch along (100) and (010) sidewalls. This work provides insight into the impact of etching on n-type Ga2O3 and shows a promising method to realize efficient field termination for hig

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Huang, Hsien-Chih, Zhongjie Ren, Clarence Chan та Xiuling Li. "Wet etch, dry etch, and MacEtch of β-Ga2O3: A review of characteristics and mechanism". Journal of Materials Research 36, № 23 (2021): 4756–70. http://dx.doi.org/10.1557/s43578-021-00413-0.

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Kim, Taek-Seung, and Ji-Myon Lee. "Fabrication of Nanostructures by Dry Etching Using Dewetted Pt Islands as Etch-masks." Korean Journal of Materials Research 16, no. 3 (2006): 151–56. http://dx.doi.org/10.3740/mrsk.2006.16.3.151.

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Jiang, Zheng, Hao Zhu, and Qingqing Sun. "Process Optimization of Amorphous Carbon Hard Mask in Advanced 3D-NAND Flash Memory Applications." Electronics 10, no. 12 (2021): 1374. http://dx.doi.org/10.3390/electronics10121374.

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Amorphous carbon hard mask (ACHM) films are widely used as etching hard masks in 3D-NAND flash memory, which has put forward higher requirements in the film deposition rate, film transparency, uniformity, and selective etching. In this work, the ACHM film processing is engineered and optimized by comparatively studying acetylene (C2H2) and propylene (C3H6) as carbon sources at the different temperatures of 300 °C, 350 °C and 400 °C. By increasing the deposition temperature, the deposition rate, non-uniformity, and dry etch rate of ACHM are improved at the penalty of a slightly increased extinc

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Lee, Jongwon, Kilsun Roh, Sung-Kyu Lim, and Youngsu Kim. "Sidewall Slope Control of InP Via Holes for 3D Integration." Micromachines 12, no. 1 (2021): 89. http://dx.doi.org/10.3390/mi12010089.

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This is the first demonstration of sidewall slope control of InP via holes with an etch depth of more than 10 μm for 3D integration. The process for the InP via holes utilizes a common SiO2 layer as an InP etch mask and conventional inductively coupled plasma (ICP) etcher operated at room temperature and simple gas mixtures of Cl2/Ar for InP dry etch. Sidewall slope of InP via holes is controlled within the range of 80 to 90 degrees by changing the ICP power in the ICP etcher and adopting a dry-etched SiO2 layer with a sidewall slope of 70 degrees. Furthermore, the sidewall slope control of th

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Tice, Scott, and Chan Geun Park. "Metal Etch in Advanced Immersion Tank with Precision Uniformity Using Agitation and Wafer Rotation." Solid State Phenomena 219 (September 2014): 138–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.219.138.

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In semiconductor wafer fabrication, etching refers to the process of removing unwanted material from wafer surface through a subtractive process. Metal etching is most commonly used in the patterning of metal films for interconnects by establishing specific connection and conduction paths and can be classified by dry etching, de-plating and dissolution of the layers on various substrates such as silicon, SiO2, Si3N4, GaAs, germanium, and sapphire. Dry etching is used to produce very precise etching of vertical channels or vias forming the device features or lines which make up the conductive p

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Bond, P., P. Sengupta, Kevin G. Orrman-Rossiter, G. K. Reeves, and P. J. K. Paterson. "Dry Etching of Indium Phosphide." MRS Proceedings 262 (1992). http://dx.doi.org/10.1557/proc-262-1073.

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ABSTRACTIndium Phosphide (InP) based multilayer structures are becoming increasingly important in the semiconductor industry with optoelectronic applications being the main growth area. Mesa type structures with finely controlled width and etch angle, often form the building blocks for many of these photonic devices. Traditional wet etching techniques have often proved to be inadequate for the required anisotropie removal of material. This paper presents the results of etching semi-insulating InP (100) using a combination of an Argon ion beam and a reactive gas, CCl2F2 (Freon 12). It was found

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Lothian, J. R., J. M. Kuo, S. J. Pearton, and F. Ren. "Wet and Dry Etching of InGaP." MRS Proceedings 240 (1991). http://dx.doi.org/10.1557/proc-240-307.

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ABSTRACTThe wet chemical etching rates of InGaP in H3 PO4:HCL:H2O mixtures have been systematically measured as a function of etch formulation and are most rapid (-1 μm · min−1) for high HCl compositions. The etch rate, R, in a 1:1:1 mixture is thermally activated of the form R ∝ e−Ea/kT, where Ea = 11.25 kCal · mole−1. This is consistent with the etching being reaction-limited at the surface. This etch mixture is selective for InGaP over GaAs. For chlorine-based dry etch mixtures (PCl3 /Ar or CCl2 F2 /Ar) the etching rate of InGaP increases linearly with DC self-bias on the sample, whereas CH

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Shul, R. J., G. A. Vawter, C. G. Willison, et al. "Comparison Of Dry-Etch Techniques For Gan, Inn, And Ain." MRS Proceedings 483 (1997). http://dx.doi.org/10.1557/proc-483-103.

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AbstractFabrication of group-III nitride devices relies on the ability to pattern features to depths ranging from ∼1000 Å to > 5 μm with anisotropic profiles, smooth morphologies, selective etching of one material over another, and a low degree of plasma-induced damage. In this study, GaN etch rates and etch profiles are compared using reactive ion etch (RIE), reactive ion beam etching (RIBE), electron cyclotron resonance (ECR), and inductively coupled plasma (ICP) etch systems. RIE yielded the slowest etch rates and sloped etch profiles despite dc-biases > −900 V. ECR and ICP etching yi

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Zeto, R., B. Rod, M. Dubey, et al. "Dry Etching of Sol-Gel Pzt." MRS Proceedings 546 (1998). http://dx.doi.org/10.1557/proc-546-159.

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AbstractTwo techniques for dry etching of sol-gel lead zirconate titanate (PZT 52/48) thin films were investigated: reactive ion etching and argon ion milling. Etched profiles were characterized by scanning electron microscopy. For reactive ion etching, a parallel plate etcher was used with HC2ClF4, an environmentally safe etch gas, in a process described by other researchers. Etch rates were measured and compared as a function of electrode shield material (ardel, graphite, alumina) and RF input power (100 to 500 W). These etch rates varied from 10 to 100 nm/min. Reactive ion etched sidewall a

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"Dry etch chemical safety." Microelectronics Reliability 27, no. 4 (1987): 788. http://dx.doi.org/10.1016/0026-2714(87)90097-7.

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