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Browsing by Author "Kwok, Kin-wing"

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Showing results 1 to 38 of 38
Issue DateTitleAuthor(s)
13-Mar-2007 Depolarization of a piezoelectric film under an alternating current fieldKwok, Kin-wing; Cheung, M. K.; Chan, Helen L. W.; Choy, Chung-loong
1-Aug-2009 Dielectric and piezoelectric properties of K₀.₅ Na₀.₅ NbO₃-AgSbO₃lead-free ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
4-Oct-2007 Dielectric and piezoelectric properties of (K[sub 0.5]Na[sub 0.5])NbO₃-Ba(Zr[sub 0.05]Ti[sub 0.95])O₃ lead-free ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
4-Jun-2007 Double hysteresis loop in Cu-doped K[sub 0.5]Na[sub 0.5]NbO₃ lead-free piezoelectric ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
1998 Effect of dielectric relaxation on the performance of P(VDF-TrFE) copolymer ultrasonic transducersKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
1-Feb-2004 Effects of niobium doping on the piezoelectric properties of sol-gel-derived lead-zirconate-titanate filmsKwok, Kin-wing; Tsang, Chin-wah Rodney; Chan, Helen L. W.; Choy, Chung-loong
12-Mar-2007 Energy harvesting with piezoelectric drum transducerWang, Sheng; Lam, Kwok-ho; Sun, Chengliang; Kwok, Kin-wing; Chan, Helen L. W.; Guo, Mingsen; Zhao, Xingzhong
1994 Enhancement of piezoelectric activity in P(VDF-TrFE) copolymer using two-step polingChan, Helen L. W.; Zhao, Z.; Kwok, Kin-wing; Choy, Chung-loong
Jul-1997 Evaluation of the material parameters of piezoelectric materials by various methodsKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
10-Jan-2011 Ferroelectric, piezoelectric, and leakage current properties of (K₀.₄₈Na₀.₄₈Li₀.₀₄)(Nb₀.₇₇₅Ta₀.₂₂₅)O₃ thin films grown by pulsed laser depositionWang, Dan-Yang; Lin, Dunmin; Kwok, Kin-wing; Chan, N. Y.; Dai, Jiyan; Li, S.; Chan, Helen L. W.
2004 General study on piezoelectric transformerKwok, K. F.; Dong, Ping; Cheng, K. W. Eric; Kwok, Kin-wing; Ho, Y. L.; Wang, X. X.; Chan, Helen L. W.
23-May-2008 Lead-free ceramics for pyroelectric applicationsLau, Sien Ting; Cheng, C. H.; Choy, Siu-hong; Lin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
Aug-2008 Lead-free piezoelectric-metal-cavity (PMC) actuatorsLam, Kwok-ho; Lin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
5-Oct-2010 Lead-free piezoelectric transducers for microelectronic wirebonding applicationsKwok, Kin-wing; Lee, T.; Choy, Siu-hong; Chan, Helen L. W.
May-1999 Lead zirconate titanate/poly(vinylidene fluoride-trifluoroethylene) 1-3 composites for ultrasonic transducer applicationsKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
2006 Leakage field modeling of spiral winding transformer for contactless power convertersCheng, K. W. Eric; Lu, Yan; Chan, K. W. Kevin; Kwok, Yi-lin; Kwok, Kin-wing; Kwok, K. F.; Xue, Xiangdang
2009 LED lighting development for intelligent clothingCheng, K. W. Eric; Kwok, Kin-wing; Kwok, Yi-lin; Chan, K. W. Kevin; Cheung, C. Norbert; Ho, Y. K.; Kwok, K. F.
1-Sep-2002 Longitudinal and transverse piezoelectric coefficients of lead zirconate titanate/vinylidene fluoride-trifluoroethylene composites with different polarization statesZeng, R.; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
26-Oct-2010 Method and apparatus for measuring oscillation amplitude of an ultrasonic deviceChan, Helen L. W.; Lam, Tin-yan; Chao, Chen; Kwok, Kin-wing
3-Aug-2007 Microstructure, phase transition, and electrical properties of (K[sub 0.5]Na[sub 0.5])[sub 1-x]Li[sub x](Nb[sub 1-y]Ta[sub y])O₃ lead-free piezoelectric ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
2005 Modeling and analysis of piezoelectric transformer using multi-mesh loop matrix circuit under square-wave excitation conditionsCheng, K. W. Eric; Ho, Y. L.; Ho, Siu-lau; Kwok, Kin-wing; Wang, X. X.; Chan, Helen L. W.; Xue, Xiangdang
24-Feb-2009 Piezoelectric ceramic composition and the method for preparing the sameWang, Xiaoxing; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Siu-hong
Jul-2009 Piezoelectric dispenser based on a piezoelectric-metal-cavity actuatorLam, Kwok-ho; Sun, Chengliang; Kwok, Kin-wing; Chan, Helen L. W.
2006 Piezoelectric micromachined ultrasonic transducers based on P(VDF-TrFE) copolymer thin filmsChao, Chen; Lam, Tin-yan; Kwok, Kin-wing; Chan, Helen L. W.
20-Mar-2008 Piezoelectric properties and hardening behavior of K[sub 5.4]Cu[sub 1.3]Ta[sub 10]O[sub 29]-doped K[sub 0.5]Na[sub 0.5]NbO₃ ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
1995 Piezoelectric properties of 1-3 composites of PZT in P(VDF-TrFE) copolymerKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
6-Jun-2008 Piezoresponse and ferroelectric properties of lead-free [Bi[sub 0.5](Na[sub 0.7]K[sub 0.2]Li[sub 0.1])[sub 0.5]]TiO₃ thin films by pulsed laser depositionWang, Danyang; Lin, Dunmin; Wong, K. S.; Kwok, Kin-wing; Dai, Jiyan; Chan, Helen L. W.
1-Oct-1996 Polarization of thick polyvinylidene fluoride/trifluoroethylene copolymer filmsChan, Helen L. W.; Zhao, Z.; Kwok, Kin-wing; Choy, Chung-loong; Alquié, C.; Boué, C.; Lewiner, J.
15-Aug-2007 A poling study of lead zirconate titanate/polyurethane 0–3 compositesLau, Sien Ting; Kwok, Kin-wing; Shin, Franklin G.; Kopf, Sabine
2001 PT/P(VDF-TrFE) hydrophone arrayLau, Sien Ting; Kwok, Kin-wing; Chan, Helen L. W.
1998 PZT/P(VDF-TrFE) nanocomposite hydrophones for ultrasonic measurementsChan, Helen L. W.; Lau, Sien Ting; Kwok, Kin-wing; Choy, Chung-loong
1999 PZT/P(VDF-TrFE) nanocomposites for ultrasonic hydrophone applicationsLau, Sien Ting; Zhou, Qifa; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
1996 Resonance characteristics and polarization profile of partially poled P(VDF-TrFE) copolymerPloss, Bernd; Chan, Helen L. W.; Kwok, Kin-wing; Choy, Chung-loong
Jun-2010 Self-focused acoustic ejectors for viscous liquidsHon, S. F.; Kwok, Kin-wing; Li, H. L.; Ng, H. Y.
1-Apr-2007 Structure and electrical properties of K₀.₅Na₀.₅NbO₃-LiSbO₃lead-free piezoelectric ceramicsLin, Dunmin; Kwok, Kin-wing; Lam, Kwok-ho; Chan, Helen L. W.
11-Oct-2007 Structure, dielectric, and piezoelectric properties of CuO-doped K[sub 0.5]Na[sub 0.5]NbO₃-BaTiO₃ lead-free ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
2006 Study of PMN-PT single crystals for resonator applicationsWong, H. T.; Kwok, Kin-wing; Chan, Helen L. W.
7-Dec-2007 A study on the disk-shaped piezoelectric transformer with multiple outputsGuo, Mingsen; Lam, Kwok-ho; Wang, Sheng; Kwok, Kin-wing; Chan, Helen L. W.; Zhao, Xingzhong
Showing results 1 to 38 of 38

 

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