J. H. Park, H. C. Lee, Y. H. Park, Y. D. Kim, C. H. Ji, J. Bu, and H.J. Nam; A fully wafer-level packaged RF MEMS switch with low actuation voltage using a piezoelectric actuator, J. Micromech & Microeng. 16 (2006) 2281 

H. C. Lee, J. H. Park, J.Y. Park, H.J. Nam, and J. Bu; Design, Fabrication, and RF Performances of Two Different Types of Piezoelectrically Actuated Ohmic MEMS Switches, J. Micromech.& Microeng. 15 (2005) 2098 

H. C. Lee, J. Y. Park, and J. Bu; Piezoelectrically actuated RF MEMS DC contact switches with low voltage operation, IEEE microwave components letter, 15 (2005) 202 

H. C. Lee, J. Y. Park, K. H. Lee, Y.J. Ko, and J. Bu; Silicon bulk micromachined high Q film bulk acoustic resonator devices with Mo/AlN/Mo structures, Integrated ferroelectrics, 69 (2005) 323 

H. C. Lee, J. Y. Park, K.H. Lee, and J. Bu; Preparation of highly textured Mo and AlN Films using a Ti seed layer for integrated high Q film bulk acoustic resonators, J. Vac. Sci. & Technol. B 22 (2004) 1127 

H.C. Lee and W.J. Lee; Characterization of Pb(Zr,Ti)O₃ thin films fabricated by plasma enhanced chemical vapor deposition on Ir-based electrodes, J. Vac. Sci. & Technol. A 20 (2002) 1939 

H. C. Lee and W. J. Lee; Preparation and Characterization of Pb(Zr,Ti)O₃ Films Deposited on Pt/ RuO₂ Hybrid Electrode for Ferroelectric Random Access Memory Devices, Jpn. J. Appl. Phys. 40 (2001) 6566 

J. Hong, H.W. Song, H.C. Lee, W.J. Lee, and K. No; Structure and electrical properties of Pb(Zr_xTi_1-x)O₃ deposited on textured Pt thin films, J.Appl. Phys. 90 (2001) 1962

S.O. Chung, H.C. Lee, and W.J. Lee; Effects of Electrodes on the Electric Properties of Pb(Zr,Ti)O₃ Films Deposited by Electron Cyclotron Resonance Plasma Enhanced Chemical Vapor Deposition, Jpn. J. Appl. Phys. 39 (2000) 1203