Academic literature on the topic 'Magnetic records and recording'

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Journal articles on the topic "Magnetic records and recording"

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Chantrell, Roy, and Jonathan D. Hannay. "Magnetic recording sets speed record." Physics World 12, no. 10 (1999): 22–24. http://dx.doi.org/10.1088/2058-7058/12/10/20.

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Berzhansky, V. N., A. S. Nedviga, V. G. Vishnevskii, and A. R. Prokopov. "Garnet Films for Thermo-Magnetic Recording and Nanotechnology Purposes." Solid State Phenomena 152-153 (April 2009): 11–14. http://dx.doi.org/10.4028/www.scientific.net/ssp.152-153.11.

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High coercive garnet-ferrite films are being synthesized for thermo-magnetic recording, for example, by focused laser beams. These films can be characterized by a couple of parameters very suitable for recording reconfigurable magnetic atomic traps whose geometry is visible. On the other hand, slightly other films can be used for contact printing of high density and weak residual magnetization records in criminalistics. Both types are investigated experimentally in this work.
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Chung, Jeffrey, Kimford Meador, Stephan Eisenschenk, et al. "Utility of invasive ictal EEG recordings in pre-surgical evaluation of patients with medically refractory temporal lobe epilepsy and normal MRI." International Journal of Epilepsy 02, no. 02 (2015): 066–71. http://dx.doi.org/10.1016/j.ijep.2015.04.001.

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AbstractPurpose Some previous studies have suggested that invasive ictal recording may be omitted in patients with medically refractory temporal lobe epilepsy (TLE) that have localizing scalp ictal recordings despite having normal magnetic resonance imaging (MRI). We investigated if and how often invasive ictal recording provided additional information to their pre-surgical evaluations.Methods In a retrospective review of 302 patients with intractable TLE who underwent pre-surgical evaluation between 1991 and 2006, we identified 45 patients who had normal MRI. Localization by scalp ictal recor
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Farmer, H. G., and D. D. Ketchutn. "AN INSTRUMENTATION SYSTEM FOR WAVE MEASUREMENTS, RECORDING AND ANALYSIS." Coastal Engineering Proceedings 1, no. 7 (2011): 5. http://dx.doi.org/10.9753/icce.v7.5.

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For the instrumentation system to be described, it was required that the system detect the sea surface accurately, be flexible in dynamic range, be able to detect and record at least six wave records simultaneously, be able to record the data at a station remote from the detectors, and be able to convert the data from analogue to digital form for analysis by electronic computers. Two types of wave measurements were required, the wave elevation and the wave slope. Resistance wire detectors were used and the theory of their operation is presented. The data acquisition and reduction system utiliz
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Gledhill, K. R., M. J. Randall, and M. P. Chadwick. "The EARSS digital seismograph: System description and field trials." Bulletin of the Seismological Society of America 81, no. 4 (1991): 1380–90. http://dx.doi.org/10.1785/bssa0810041380.

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Abstract An earthquake detection and recording system known as EARSS has been developed for permanent seismograph stations and temporary field installations. It records three components of ground motion with a dynamic range of 120 dB. A frequency-domain algorithm detects earthquakes and initiates the recording of data on magnetic tape. Alternatively, EARSS can record data continuously, for preselected periods of time, or recording can be triggered by a time-domain phase picker. Up to 1500 earthquakes (25.5 Mbytes) can be recorded on each magnetic tape cartridge. The field version of EARSS supp
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Nakamura, Yuichi. "Magnetic Holography and Its Application to Data Storage." Photonics 8, no. 6 (2021): 187. http://dx.doi.org/10.3390/photonics8060187.

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The principle of magnetic holograms and its application to holographic memory are reviewed. A magnetic hologram was recorded through a thermomagnetic recording as a difference in magnetization direction and reconstructed with the magneto-optical effect. To achieve a bright reconstruction image, it is important to record deep magnetic fringes on the materials with large Faraday rotation coefficients. This technique was applied to the holographic memory using transparent magnetic garnets as a recording material. The first reconstruction image was dark and noisy, but improvements in the recording
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Nakamura, Lim, Goto, Uchida, and Inoue. "Development of Heat Dissipation Multilayer Media for Volumetric Magnetic Hologram Memory." Applied Sciences 9, no. 9 (2019): 1738. http://dx.doi.org/10.3390/app9091738.

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Holographic memory is a strong candidate for next-generation optical storage, featuring high recording densities and data transfer rates, and magnetic hologram memory using a magnetic garnet, as the recording material is expected to be used as a rewritable and stable storage technology. However, the diffraction efficiency of magnetic holography depending on the Faraday rotation angle is insufficiently high for actual storage devices. To increase the diffraction efficiency, it is important to record deep magnetic fringes, whereas it is necessary to suppress the merging of fringes owing to heat
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Hoffman, Kenneth A., Pierre Camps, and Matt Carlton. "Rare palaeomagnetic evidence of long-term mantle control of the geodynamo and possible role of the NAD field in the reversal process." Geophysical Journal International 221, no. 1 (2019): 142–50. http://dx.doi.org/10.1093/gji/ggz480.

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SUMMARY The degree to which the lowermost mantle influences behaviour of the geodynamo has been debated over the past quarter century. Our analysis of a comprehensive set of 17 Cenozoic palaeomagnetic transitional field records obtained from lavas in the Southern Hemisphere provides robust evidence of stable mantle control since the Pliocene. The records come from a region where—given a significantly weakened axial dipole—the magnetic field today would be largely controlled by the non-axial dipole (NAD) flux patch currently emanating from Earth's outer core beneath western Australia. The palae
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Nagy, Lesleis, Wyn Williams, Adrian R. Muxworthy, et al. "Stability of equidimensional pseudo–single-domain magnetite over billion-year timescales." Proceedings of the National Academy of Sciences 114, no. 39 (2017): 10356–60. http://dx.doi.org/10.1073/pnas.1708344114.

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Interpretations of paleomagnetic observations assume that naturally occurring magnetic particles can retain their primary magnetic recording over billions of years. The ability to retain a magnetic recording is inferred from laboratory measurements, where heating causes demagnetization on the order of seconds. The theoretical basis for this inference comes from previous models that assume only the existence of small, uniformly magnetized particles, whereas the carriers of paleomagnetic signals in rocks are usually larger, nonuniformly magnetized particles, for which there is no empirically com
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Hohensee, Gregory T., Tan Nguyen, Ella Pek, Wan Kuang, Ozgun Suzer, and Marc Finot. "Nanoscale temperature of plasmonic HAMR heads by polymer imprint thermal mapping." MRS Advances 2, no. 58-59 (2017): 3607–12. http://dx.doi.org/10.1557/adv.2017.439.

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ABSTRACT Polymer imprint thermal mapping (PITM) is a high-resolution thermal mapping technique that is especially valuable for nanoscale plasmonic devices. PITM leverages a ∼50 nm polymer film coating that crosslinks irreversibly with temperature, which records the peak temperature rise of the surface in the local, linear reduction of polymer film thickness. Using AFM to measure topography before and after heating, but not during operation, PITM sidesteps plasmonic artifacts seen in other near-field thermometries, where the probe tip disturbs and is heated directly by the near- and far-field r
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Dissertations / Theses on the topic "Magnetic records and recording"

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Vâlcu, Bogdan F. "Studies in perpendicular magnetic recording /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3127623.

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Altekar, Shirish A. "Detection and coding techniques for magnetic recording channels /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1997. http://wwwlib.umi.com/cr/ucsd/fullcit?p9804513.

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Andersen, R., and W. Wendel. "An Auto-Calibration System for a Longitudinal Magnetic Recorder." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614661.

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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, California<br>Multiple channel magnetic tape recording is often used for signal analysis of intelligence and telemetry data. To insure accuracy of the reproduced data, these systems require frequent calibration and alignment. As the number of tracks on these systems has increased, this task has become more time-consuming. Even with a well-trained technician, this task can take several hours at a minimum. To alleviate this problem, we developed a system for per
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ANDERSEN, R., and W. WENDEL. "AN AUTO-CALIBRATION SYSTEM FOR A LONGITUDINAL MAGNETIC RECORDER." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614853.

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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, California<br>Multiple channel magnetic tape recording is often used for signal analysis of intelligence and telemetry data. To insure accuracy of the reproduced data, these systems require frequent calibration and alignment. As the number of tracks on these systems has increased, this task has become more time-consuming. Even with a well-trained technician, this task can take several hours at a minimum. To alleviate this problem, we developed a system for per
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Wu, Zining. "Coding and iterative detection for magnetic recording channels /." Boston, Mass. [u.a.] : Kluwer Academic Publ, 2000. http://www.loc.gov/catdir/enhancements/fy0820/99049501-d.html.

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Morton, David Lindsay Jr. "The History of magnetic recording in the United States, 1888-1978." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/24235.

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Astbury, David Alan. "Computer aided modelling of the digital magnetic record and replay processes." Thesis, Manchester Metropolitan University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328940.

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Wismayer, Matthew P. "Small angle neutron scattering studies of magnetic recording media." Thesis, St Andrews, 2008. http://hdl.handle.net/10023/471.

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McPheters, Laura L. "Concatenated coding and iterative decoding for magnetic and optical recording." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/16018.

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Zhang, Yun. "MR playback characteristics and thermal stability of thin film media in high-density magnetic recording systems /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9917958.

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Books on the topic "Magnetic records and recording"

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Shun-ichi, Iwasaki, and Hokkyo Jiro, eds. Perpendicular magnetic recording. Ohmsha, 1991.

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Denis, Mee C., and Daniel Eric D, eds. Magnetic recording technology. 2nd ed. McGraw-Hill, 1996.

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Marvin, Camras, ed. Magnetic tape recording. Van Nostrand Reinhold, 1985.

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Hoagland, Albert S. Digital magnetic recording. 2nd ed. Wiley, 1991.

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Joint MMM-INTERMAG Conference (6th 1994 Albuquerque, N.M.). Proceedings of the Sixth Joint Magnetism and Magnetic Materials-Intermag Conference: 20-23 June 1994, Albuquerque, New Mexico. American Institute of Physics, 1994.

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Bertram, H. Neal. Theory of magnetic recording. Cambridge University Press, 1994.

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Mee, C. D. Magnetic recording. - 1: Technology. McGraw-Hill, 1987.

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Denis, Mee C., and Daniel Eric D, eds. Magnetic recording handbook: Technology and applications. McGraw-Hill, 1990.

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Reiderman, A. F. Magnetic characterization of recording media. Academy of Sciences of the USSR, Ural Branch, Institute of Metal Physics, 1991.

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Mallinson, John C. The foundations of magnetic recording. Academic Press, 1987.

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Book chapters on the topic "Magnetic records and recording"

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Camras, Marvin. "Magnetic Record Media." In Magnetic Recording Handbook. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9468-9_3.

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Camras, Marvin. "Magnetic Recording History and Early Recorders." In Magnetic Recording Handbook. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9468-9_1.

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Pavan, Gianni, Gregory Budney, Holger Klinck, Hervé Glotin, Dena J. Clink, and Jeanette A. Thomas. "History of Sound Recording and Analysis Equipment." In Exploring Animal Behavior Through Sound: Volume 1. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_1.

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AbstractOver the last 100 years, there has been an explosion of research in the field of animal bioacoustics. These changes have been facilitated by technological advances, decrease in size and cost of recording equipment, increased battery life and data storage capabilities, the transition from analog-to-digital recorders, and the development of sound analysis software. Acousticians can now study the airborne and underwater sounds from vocal species across the globe at temporal and spatial scales that were not previously feasible and often in the absence of human observers. Many advances in t
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Jiles, David. "Magnetic Recording." In Introduction to Magnetism and Magnetic Materials. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3868-4_14.

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Guimarães, Alberto P. "Magnetic Recording." In Principles of Nanomagnetism. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01482-6_7.

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Weik, Martin H. "magnetic recording." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_10889.

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Guimarães, Alberto P. "Magnetic Recording." In Principles of Nanomagnetism. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59409-5_7.

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Camras, Marvin. "Data Recording." In Magnetic Recording Handbook. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9468-9_13.

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Camras, Marvin. "Computer Recording." In Magnetic Recording Handbook. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9468-9_14.

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Camras, Marvin. "Magnetic Heads." In Magnetic Recording Handbook. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9468-9_4.

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Conference papers on the topic "Magnetic records and recording"

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Tanaka, Yasuhito, Masaaki Kurebayashi, and Seiji Yonezawa. "Stabilities of Laser Pumped Magnetic Field Modulation Recording." In Symposium on Optical Memory. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/isom.1996.owd.4.

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Direct overwriting and high density recording are key issues in optical recording. There are two optical recording methods i.e. (1) optical modulation recording and (2) magnetic field modulation recording. The optical modulation recording has more like optical oriented features to modulate laser beam with data while DC magnetic field is applied. The recorded mark size are limited by the diffraction optical spot size λ/2NA and complex media are necessary to comply with the demand of direct over writing. The magnetic field modulation recording method on the other hand has more magnetic oriented
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Awano, H., H. Watanabe, H. Shirai та ін. "Magnetic domain expansion readout of 0.16μm packed domains without crosstalk from adjacent track for a 0.60μm Tp L/G MAMMOS disk with RF readout field". У Optical Data Storage. Optica Publishing Group, 1998. http://dx.doi.org/10.1364/ods.1998.mb.2.

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Magneto-Optical disk possesses very high advantage to record small domain compared to non magnetic optical disk, since MO recording is one kind of magnetic recording. Therefore, very small domain less than 0.1 μm on the MO disk can be recorded stable by using a laser pumped magnetic field modulation. However, the key issue is the readout because it is very small signal. In order to amplify the small signal, a small recorded domain is expanded by using readout magnetic field. This technique is called as Magnetic AMplifying MO System (MAMMOS) and reported that the readout signal of 0.08μm domain
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Takahasi, A., Y. Murakami, J. Hirokane, and Y. Kurata. "Future perspective of Magnetic Super Resolution." In Symposium on Optical Memory. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/isom.1996.owb.4.

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For high density recording, it is important to record small marks under precise control of mark edges and also to detect them precisely. For example, some proposed methods are magnetic field modulation recording (MFM) with pulsed light, an optical head using a short wave length laser, partial response most likely hood detection (PRML) and a low noise substrate. Especially, the magnetic super resolution (MSR) method is one of the strongest technologies in order to improve readout resolution by the MO media.
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Watanabe, Hitoshi, Takeshi Nakao, Takeshi Maeda, Atsushi Saito, and Nobuyuki Nagai. "Edge Shift of Written Domain in Magnetic Field Moduiation Method for Magneto-Optic Disk." In Optical Data Storage. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/ods.1989.thc4.

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Magnetic field modulation method is one of the most promising type of high speed overwriting in the magneto-optic disk.l) In this method, a focused laser beam continuously irradiates an information track through the disk substrate and a magnetic field applied by a magnetic head is modulated with the information to be recorded. Information is stored at domain position, or at both side edges of one domain, called domain-edge recording. It has been found that written domain edge in magnetic field modulation method shifts from the position of laser beam irradiated when magnetic field is reversed.
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Narahara, T., K. Aratani, A. Fukumoto, and S. Masuhara. "A Partial-Response Maximum-Likelihood Detection Method for MO Recording." In Symposium on Optical Memory. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/isom.1996.othb.4.

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Magnetic field modulation recording (MFM) on a magneto-optical (MO) disk has the advantage of being able to write shorter marks corresponding to higher linear recording density. We reported on an approach to increasing the recording density in an MO disk by improving the signal to noise-ratio (SNR) and optimizing the conventional media structure[1]. The conventional edge detection method combined with a run-length limited (RLL) code has the limitation of detecting recorded bits at linear densities where the minimum carrier level is small because of increasing intersymbol interference (ISI). Th
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Carlin, Donald B. "Application of Blue-Green Diode Laser Sources to Optical Recording." In Compact Blue-Green Lasers. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/cbgl.1992.tha1.

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A primary motivation for the original development of optical recording was that the technique allowed a much smaller area for the storage of a bit of information than did the magnetic techniques of that time. Most early data recording was by ablative effects, the formation of "pits" in an optical media. Today, storage may be by ablation, magneto-optic effects, or phase changes. The basic optical principles remain the same for all recording techniques. In general, recording laser light that has a gaussian-like spatial beam profile is expanded to fill the optics to the 1 e 2 intensity points of
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Yamamoto, Manabu, Hiroshi Nakanishi, Akinori Watabe, and Shigeji Hara. "Bit Shift Characteristics in High Density Magneto Optical Recording." In Optical Data Storage. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/ods.1987.wd3.

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A crucial factor in high density digital recording in magnetooptical disks is to reduce bit errors caused by bit shifting. Factors affecting bit shift include imperfections in the recorded pit and noise caused by residual signals after erasing, as well as intrinsic media noise and noise inherent in the detection process. Imperfections occur when write power varies or when reflectivity or magnetization fluctuates or varies randomly. Noise caused by residual signals after erasing occurs when the erase power or erase magnetic field is insufficient. This paper investigates the relationship between
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Stinson, D. G., and J. Petronio. "The Dependence of Maximum Readout Power on Various Properties of Thin-Film Magneto-optic Media." In Optical Data Storage. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/ods.1987.wa3.

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In magneto-optic recording it is desirable that the read laser power be as large as possible without causing degradation of the recorded information. We have developed a test that efficiently simulates the repeated reading of the recorded magnetic domains. This technique is used to determine the maximum read power and minimum write power of a variety of magneto-optic materials on a variety of substrates. In this paper we report the correlation between maximum read power and the sample’s coercivity and substrate.
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Takao, H., K. Shimazaki, N. Ohta, M. Yoshihiro, N. Nagai, and S. Imai. "Highly Field Sensitive (150Oe) Quadri-Valued MO Media for High Speed Overwriting." In Symposium on Optical Memory. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/isom.1996.othb.2.

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Aiming at the high density MO media, a new scheme of Magnetic Multi-Valued (MMV) recording was introduced[1]. A quadri-valued MO media has been realized using a magnetic field modulation method. For actual application of the media, it is necessary to increase the data transfer rate and recording density. The purpose of this study is producing a quadri-valued MO media which can record with a very small switching field less than 200 Oe, which is similar field strength with an conventional MO drive. On such a media, the quadri-valued recording is available without a drastic change of the drive de
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Saito, Jun, and Hideki Akasaka. "Direct Overwritable Magneto-Optical Exchange Coupled Multilayered Disk by Laser Power Modulation Recording." In Optical Data Storage. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/ods.1991.mc1.

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In 1987, we presented a direct overwritable Magneto-Optical exchange coupled multilayered (DOW-MO-ECML or DOW) disk by laser power modulation recording.1) The direct overwriting method could be summarized as follows. (a) The ECML thin film has at least two layers as shown in Fig. 1. The upper layer, memory layer has higher coercivity at ambient temperature and lower Curie temperature than the lower layer, writing layer. (b) Laser power is modulated as shown in Fig. 2. Ph irradia tion records new marks. Pl irradiation erases prerecorded marks. Pr means reading power. (c) The initializing field,
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Reports on the topic "Magnetic records and recording"

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Khizroev, Sakhrat, Roman Chomko, Yazan Hijazi, and Nissim Amos. Three-Dimensional Magnetic Recording Device. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada434257.

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Schulthess, T. C., and M. K. Miller. Fundamental Scientific Problems in Magnetic Recording. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/940298.

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Toney, Michael F. High Anisotropy CoPtCrB Magnetic Recording Media. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/813356.

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Heffner, R. H., C. D. Adams, and E. L. Brosha. Giant magnetoresistance materials for magnetic recording technology. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/555556.

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Toney, M. Magnetization Profile in Antiferromagnetically Coupled Magnetic Recording Media. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/839713.

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Toney, Michael F. Small-Angle Neutron Scattering Measurements of Magnetic Cluster Sizes in Magnetic Recording Disks. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/813257.

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Hackel, L., and A. Marshall. Laser Texturing of Magnetic Recording Media Final Report CRADA No. TSV-1298-96. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1406435.

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Rao, D. R. K. The problems faced by developing countries in adopting digital recording at magnetic observatories. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/226579.

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Hackel, L. Laser Texturing of Magnetic Recording Media Final Report CRADA No. TSV-1298-96. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/807751.

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Duncan, Michael. Recording, Sharing, and Futureproofing Art & Design Research in Pure: Make it count. University of Dundee, 2025. https://doi.org/10.20933/100001404.

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How can practice research be preserved, cited, and recognised for it's valuable contribution to knowledge and understanding? This presentation by Michael Duncan, Research Librarian at the University of Dundee, explores best practices for documenting and sharing art and design research using Pure. It highlights the importance of metadata, DOIs, and evidence-based records to futureproof creative work for the REF and beyond. Whether you’re submitting exhibitions, performances, or artistic outputs, you’ll learn how to boost the visibility and discoverability of your practice research. From underst
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