Relevant bibliographies by topics / Piezoresistor / Dissertations / Theses
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Dissertations / Theses on the topic 'Piezoresistor'

Author: Grafiati
Published: 6 September 2023

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1

Tan, T. H. "Silicon piezoresistors for MEMS pressure sensor applications." Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.677842.

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Silicon based micromachining technology enables the realization of high performance micro electromechanical systems (MEMS) including a range of physical and environmental sensors. Pressure sensors are used for a wide range of monitoring and control applications, e.g. environmental, industrial, aircraft, automotive. Monitoring of vehicle tyre pressures offers benefits such as improved safety, fuel economy, and tyre life. Micromachined pressure sensors are used at present, but require further research to improve their performance in terms of size, power consumption and manufacturing cost. This t
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2

Dieme, Robert. "Investigation of process fabrication for low-noise P-type diffused piezoresistors." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0022606.

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3

Messina, M. "Design and optimization of a novel tri-axial miniature ear-plug piezoresistive accelerometer with nanoscale piezoresistors." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8002.

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This work aims at the advancement of state-of-art accelerometer design and optimization methodology by developing an ear-plug accelerometer for race car drivers based on a novel mechanical principle. The accelerometer is used for the measurements of head acceleration when an injurious event occurs. Main requirements for such sensor are miniaturization (2×2 mm), because the device must be placed into the driver earpiece, and its measurement accuracy (i.e. high sensitivity, low crosstalk and low nonlinearity) since the device is used for safety monitoring purpose. A micro-electro-mechanical syst
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4

Moreira, Rodrigo Couto. "Desenvolvimento de uma plataforma virtual para modelamento matemático de piezoresistores de filmes finos semicondutores." reponame:Repositório Institucional da UNIJUI, 2015. http://bibliodigital.unijui.edu.br:8080/xmlui/handle/123456789/3070.

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Este trabalho mostra o desenvolvimento de um software, rotulado aqui como SimuPi, para simular o modelamento matemático de elementos sensores piezoresistivos. O programa desenvolvido roda modelos de primeira e segunda ordem, clássicos da literatura, os quais são indispensáveis para o desenvolvimento de elementos sensores baseados no efeito piezoresistivo do silício. Foram analisadas as principais características de programas simuladores com objetivo de observar quais seriam relevantes para serem empregadas no desenvolvimento deste trabalho. Estudou-se a forma de elaboração do programa, escolhe
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5

Messina, Marco [Verfasser]. "Design and optimization of a novel tri-axial miniature ear-plug piezoresistive accelerometer with nanoscale piezoresistors / Marco Messina." München : GRIN Verlag, 2017. http://d-nb.info/1177259273/34.

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6

Hammes, Graciane. "Modelagem matemática e fabricação de estruturas piezoresistivas usando grafite." reponame:Repositório Institucional da UNIJUI, 2016. http://bibliodigital.unijui.edu.br:8080/xmlui/handle/123456789/3670.

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Este trabalho descreve o efeito piezoresistivo no grafite, uma forma alotrópica de carbono e sugere sua aplicação em dispositivos sensores em substituição a outros materiais cujos processos de fabricação são mais complexos quando comparados ao utilizado neste trabalho. Foram projetados e montados elementos sensores de grafite visando a sua caracterização mecânica, elétrica e térmica. Os resultados obtidos apresentam concordância com os apresentados pela literatura indicando que os modelos matemáticos utilizados para caracterização e análise do material são adequados para o processo de disposit
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7

Rasia, Luiz Antônio. "Estudo e aplicação das propriedades elétricas, térmicas e mecânicas de materiais amorfos piezoresistivos em transdutores de pressão." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3140/tde-29062009-170433/.

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Neste trabalho é apresentado o estudo teórico-experimental a respeito das propriedades piezoresistivas de dois tipos de materiais com estrutura amorfa. O primeiro material estudado é o carbono semelhante ao diamante e o segundo é o óxido de estanho dopado com índio. O estudo compreende o levantamento bibliográfico sobre os materiais, projeto teórico e prático de estruturas individuais de testes e piezoresistores configurados em ponte completa, além da realização das caracterizações elétricas, mecânicas e térmicas de acordo com um arranjo experimental proposto. As caracterizações experimentais
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8

Falletta, E. "¿RE-DISCOVERING¿ AN OLD MATERIAL, POLYANILINE, FOR MODERN APPLICATIONS." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/229552.

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The chemical industry of the forthcoming years will be shaped by a number of emerging global megatrends strictly related to the growth and aging of the world population (nine billion people in 2050). This will result in demand of innovative materials able to solve new needs in different fields: health, communication, energy, environmental sustainability, etc. In this diversified context, conducting organic polymers (COPs) are expected to play an important role thanks to their polyhedric properties. Among them, polyaniline is one of the more investigated COPs owing to its peculiar properties wh
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9

Lee, Jung Chul. "Fabrication, characterization, and application of multifunctional." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/22697.

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Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2007.<br>Committee Chair: King, William; Committee Member: Allen, Mark; Committee Member: Brand, Oliver; Committee Member: Glezer, Ari; Committee Member: Joshi, Yogendra.
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10

Corten, Cathrin Carolin. "Synthese und Charakterisierung dünner Hydrogelschichten mit modulierbaren Eigenschaften." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1209463829168-95283.

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Im Mittelpunkt dieser Arbeit stand die Darstellung sensitiver Blockcopolymere und deren Gele, die als Ausgangsmaterialien in Sensor- und Aktorsystemen einsetzbar sind. Die Vereinigung verschiedener Ansprechparameter stellt erhöhte Anforderung an die Synthese. Geringe Ansprechzeiten lassen sich mit einer Gelgröße im µm-Bereich erreichen. Hydrogele dieser Größenordnungen können durch nachträgliche Vernetzung funktioneller linearer Polymere ermöglicht werden. Die Makroinitiatormethode ermöglichte den Aufbau verschiedener linearer photovernetzbarer Blockcopolymere. Zum Einen wurde das temperaturse
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11

Martins, Alan. "Analysis of damage mechanisms in composite structures reinforced by tufting." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2443/document.

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Cette étude portait sur l’évaluation des performances mécaniques et des mécanismes de défaillance des composites cousus dans différentes conditions de chargement. Des plaques stratifiées et des raidisseurs renforcés par tufting ont été fabriqués avec différents paramètres de couture afin d'évaluer leur effet sur les propriétés des composites. L'investigation a été assistée par une caractérisation multi-instrumentée pendant les tests. Les plaques cousues soumises à des tests de cisaillement à poutre courte sont utilisées dans l'analyse du comportement de la densité et de l'angle de couture dans
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12

Fletcher, Patrick Carl. "Alternative piezoresistor designs for maximizing cantilever sensitivity." 2008. http://etd.louisville.edu/data/UofL0429t2008.pdf.

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Thesis (M.Eng.)--University of Louisville, 2008.<br>Title and description from thesis home page (viewed September 12, 2008). Department of Mechanical Engineering. Vita. "June 2008." Includes bibliographical references (p. 95-102).
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13

Mohansundaram, S. M. "Large Enhancement in Metal Film Piezoresistive Sensitivity with Local Inhomogenization for Nanoelectromechanical Systems." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3388.

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High performance and low cost sensors based on microelectromechanical systems (MEMS) have become commonplace in today's world. MEMS sensors, such as accelerometers, gy- roscopes, pressure sensors, and microphones, are routinely used in consumer electronics, automobiles, industrial and aerospace applications. Basically, all these devices mea- sure tiny displacements of micromachined mechanical structures in response to external stimuli. One of the widely used techniques to detect these displacements is piezoresistive sensing. Piezoresistive sensors are popular in MEMS due to their simplicity an
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14

Mohansundaram, S. M. "Large Enhancement in Metal Film Piezoresistive Sensitivity with Local Inhomogenization for Nanoelectromechanical Systems." Thesis, 2013. http://etd.iisc.ernet.in/2005/3388.

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High performance and low cost sensors based on microelectromechanical systems (MEMS) have become commonplace in today's world. MEMS sensors, such as accelerometers, gy- roscopes, pressure sensors, and microphones, are routinely used in consumer electronics, automobiles, industrial and aerospace applications. Basically, all these devices mea- sure tiny displacements of micromachined mechanical structures in response to external stimuli. One of the widely used techniques to detect these displacements is piezoresistive sensing. Piezoresistive sensors are popular in MEMS due to their simplicity an
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15

Viannie, Leema Rose. "Design, Fabrication and Development of Polymer Microcantilever for Flow Rate Measurement and Thermal Actuation." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/4294.

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Design, fabrication and development of polymer microcantilever for flow rate measurement and thermal actuation Research Supervisors: Prof. K. Rajanna and Dr. G. R. Jayanth Microcantilevers are sensitive micromechanical platforms used to detect small forces and surface stresses arising due to changes in physical environment. They are popularly used as mechanical probes in scanning probe microscopy to obtain 3D surface topography of samples upto atomic scale resolution. These microcantilevers find applications in biosensing, environment monitoring, air flow measurement, microbolometry, Atomic F
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16

Ning, Yu-Tzong, and 甯煜宗. "Development of a vertical-plate-type Microaccelerometer with Suspended Piezoresistors Characterizing High Linearity and Low Cross-axis Sensitivity." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/87260480248047612894.

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博士<br>國立臺灣大學<br>應用力學研究所<br>103<br>This research developed a microaccelerometer via Computer-Aid-Design(CAE) and Micro Electro Mechanical Systems(MEMS) with high performance in linearity and cross-axis sensitivity. Unlike the conventional sensing elements which are always embedded at the position of maximum displacement, the present study situated the sensors at the locations where the maximum displacements of the structure are generated in order to raise up the maximal output than the former. The core elements of accelerometer includes a vertical, double-ended flexural beam, a proof mass integ
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