2024
C.-Y. Hsu, P.-H. Chen, T.-Y. Chen, S.-Y. Lin, T.-J. Lin, C.-W. Yeh, C.-J. Wang, W.-C. Li, and P.-Z. Chang, "Performance Evaluation of MEMS Vibration Sensors for Throat Microphones,” in IEEE SENSORS 2024, Kobe, Japan, Oct. 20-23, 2024.
H.-C. Hsu, S.-Y. Lin, P.-H. Chen, P.-Z. Chang, and W.-C. Li, "Multi-Modal Sensing for Enhanced Surface Roughness Prediction in CNC Machining Using an Intelligent Vise,” in IEEE SENSORS 2024, Kobe, Japan, Oct. 20-23, 2024.
T.-Y. Chen and W.-C. Li, "A Micromechanical Frequency Comb-Based Binary Phase Shift Keying Demodulator," Proc., 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium (UFFC-JS'24), Taipei, Taiwan, Sep. 22-26, 2024.
P.-H. Chen, S.-Y. Lin, T.-J. Lin, P.-Z. Chang, and W.-C. Li, "Machining Stability Estimation Based on Semi-empirical Cutting Force Model Incorporating Machine Tool Runout Effects," in the 57th CIRP Conf. on Manufacturing Systems (CIRP CMS'24), Póvoa de Varzim, Portugal, May 29- 31, 2024.
S.-Y. Lin, P.-H. Chen, T.-J. Lin, P.-Z. Chang, and W.-C. Li, "Rapid Tool Wear Modelling for Varying Cutting Parameters," in the 57th CIRP Conf. on Manufacturing Systems (CIRP CMS'24), Póvoa de Varzim, Portugal, May 29- 31, 2024.
W.-T. Hsu, P.-H. Hung, B.-H. Chou, P.-H. Chen, S.-Y. Lin, T.-J. Lin, Y.-C. Hu, P.-Z. Chang and W.-C. Li, "Rapid Energy Consumption Modelling for CNC Based Milling Process," in the 57th CIRP Conf. on Manufacturing Systems (CIRP CMS'24), Póvoa de Varzim, Portugal, May 29- 31, 2024.
C.-M. Lee, T.-J. Liou, C.-P. Tsai, T.-Y. Chen, and W.-C. Li, "Toward High-Bit-Rate CMOS-MEMS Resoswitches," in the 37th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’24), Austin, Texas, USA, Jan. 21-25, 2024. (Oral Presentation, Outstanding Student Oral Paper Award Finalist)
K.-W. Lan, I.-F. Chung, C.-P. Tsai, T.-Y. Chen, and W.-C. Li, "TCF-Tailoring Vertically Stepped Structures for Temperature Insensitive CMOS-MEMS Resonators," in the 37th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’24), Austin, Texas, USA, Jan. 21-25, 2024. (Oral Presentation)
I.-F. Chung, T.-Y. Chen, T.-J. Liou, and W.-C. Li, "CMOS-MEMS Tuned-Mass-Damper Based Physical Unclonable Function (PUF)," in the 37th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’24), Austin, Texas, USA, Jan. 21-25, 2024.
T.-Y. Chen and W.-C. Li, "Bifurcation Generated True Random Numbers in Nonlinear Micromechanical Resonators," in the 37th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’24), Austin, Texas, USA, Jan. 21-25, 2024.
T.-Y. Chen and W.-C. Li, "True Random Number Generation in Nonlinear Internal-Resonating MEMS Resonators," IEEE Electron Device Letters (EDL), vol. 45, no. 1, pp. 116-119, Jan. 2024.
P.-H. Chen, P.-Z. Chang, Y.-C. Hu, T.-L. Luo, C.-Y. Tsai, and W.-C. Li, "On the Robustness and Generalization of Thermal Error Models for CNC Machine Tools," International Journal of Advanced Manufacturing Technology, vol. 130, pp. 1635-1651, Jan. 2024.
2023
P.-H. Chen, T.-J. Lin, C.-W. Yeh, P.-Z. Chang, and W.-C. Li, "Force-Sensing Intelligent Vise for Cutting Dynamics Monitoring in Machining,” in IEEE SENSORS 2023, Vienna, Austria, Oct. 29-Nov. 1, 2023.
C.-P. Tsai and W.-C. Li, "Micromechanical Vibro-Impact Systems: A Review," J. Micromech. Microeng. (JMM), vol. 33, no. 9, pp. 093001, Aug., 2023.
C.-P. Tsai and W.-C. Li, "Vibro-Impact Perturbation Based Attractor Exchanger for Open-Loop Nonlinear Resonators," in the 22nd Int. Conf. on Solid-State Sensors & Actuators (TRANSDUCERS’23), Kyoto, Japan, Jun. 25-29, 2023. (Oral Presentation)
T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "Constructing Micromechanical Frequency Combs in Bifcating Attractor Branches for Event Triggered Sensors," in the 22nd Int. Conf. on Solid-State Sensors & Actuators (TRANSDUCERS’23), Kyoto, Japan, Jun. 25-29, 2023. (Oral Presentation)
Y. Yi, C.-P. Tsai, and W.-C. Li, "Sensitivity enhancement for micromechanical vibro-impact resonators using snap-through curved beams," Micro Nano Lett., vol. 18, no. 1, pp. 1-6, Jan. 2023.
C.-P. Tsai and W.-C. Li, "Attractor Exchanger for Open-Loop Operation of Micromechanical Nonlinear Resonators Using Gap-Spacing Continuation," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023. (Oral Presentation)
T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "A CMOS-MEMS Ultrasensitive Thermometer Using Internal Resonance Induced Frequency Combs," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023. (Oral Presentation)
T.-Y. Chen and W.-C. Li, "A CMOS-MEMS Beam Resonator with Q > 10,000," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023.
T.-J. Liou, C.-P. Tsai, T.-Y. Chen, and W.-C. Li, "Towards a Better CMOS-MEMS Resoswitch Using Electroless Plating for Contact Engineering," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023.
I.-C. Hsieh, H.-S. Zheng, C.-P. Tsai, T.-Y. Chen, and W.-C. Li, "Generic Temperature Compensation Scheme for CMOS-MEMS Resonators Based on Arc-Beam Derived Electrical Stiffness Frequency Pulling," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023.
Y.-H. Huang, H.-S. Zheng, C.-P. Tsai, and W.-C. Li, "Micromechanical RSSI Based on Force Interaction Derived Tapping Bandwidth Variation in Vibro-Impact Resonators," in the 36th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’23), Munich, Germany, Jun. 15-19, 2023.
2022
C.-P. Tsai and W.-C. Li, "CMOS-MEMS Vibro-Impact Devices and Applications," Front.Mech. Eng., vol. 08, p.898328, Jun. 2022.
C.-P. Tsai and W.-C. Li, "A Micromechanical Frequency Controlled Pulse Density Modulator," in the 35th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’22), Tokyo, Japan (Hybrid Event), Jun. 9-13, 2022. (Oral Presentation, Best Student Paper Award Finalist)
H.-S. Zheng, C.-P. Tsai, T.-Y. Chen, and W.-C. Li, "CMOS-MEMS Resonators with sub-100-nm Transducer Gap Using Stress Engineering," in the 35th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’22), Tokyo, Japan (Hybrid Event), Jun. 9-13, 2022. (Oral Presentation)
T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "1:6 Internal Resonance in CMOS-MEMS Multiple-Stepped CC-Beam Resonators," in the 35th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’22), Tokyo, Japan (Hybrid Event), Jun. 9-13, 2022. (Oral Presentation)
P.-C. Huang, T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "An Ultrasensitive CMOS-MEMS Tuned-Mass-Damper (TMD) Based Voltmeter," in the 35th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS’22), Tokyo, Japan (Hybrid Event), Jun. 9-13, 2022.
2021
W.-C. Li, "Micromechanical Vibro-Impact Resonator-Enabled Sensing Applications," in the 21st Int. Conf. on Solid-State Sensors & Actuators (TRANSDUCERS’21), Virtual Conference, Jun. 20-25, 2021. (Invited)
C.-P. Tsai, H.-W. Wang, and W.-C. Li, "Tapping Bandwidth Widening of CMOS-MEMS Vibro-Impacting Resonators Based on Double-Sided Stopper Structure," in the 21st Int. Conf. on Solid-State Sensors & Actuators (TRANSDUCERS’21), Virtual Conference, Jun. 20-25, 2021.
J.-R. Liu, C.-P. Tsai, W.-R. Du, T.-Y. Chen, J.-S. Chen, and W.-C. Li, "Vibration Mode Suppression in Micromechanical Resonators Using Embedded Anti-Resonating Structures," IEEE J. Microelectromech. Syst. (JMEMS), vol. 30, no. 1, pp. 53-63, Feb. 2021.
C.-E. Hsu and W.-C. Li, "Enhancing the Release Process Yield for CMOS-MEMS Metal Resonators Based on Diffusion-Controlling Structures," Proc., 34th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'21), Virtual Conference, Jan. 25-29, 2021.
2020
C.-E. Hsu and W.-C. Li, "Mitigating the Insufficient Etching Selectivity in the Wet Release Process of CMOS-MEMS Metal Resonators via Diffusion Control," IEEE J. Microelectromech. Syst. Lett. (JMEMS Letters), vol. 29, no. 6, pp. 1415-1417, Dec. 2020. (Highlighted as JMEMS RightNow Paper)
C.-P. Tsai, J.-R. Liu, and W.-C. Li, "Experimental Study on Frequency Stability of Micromechanical Resonators Operating in the Nonlinear Tapping Mode," Proc., 2020 IEEE Int. Frequency Control Symposium (IFCS'20), Virtual Conference, July 19-23, 2020. (Oral Presentation)
W.-J. Su, J.-H. Lin, and W.-C. Li, "Analysis of a Cantilevered Piezoelectric Energy Harvester in Different Orientations for Rotational Motion," Sensors, vol. 20, no. 4, p. 1206, Feb. 2020.
C.-P. Tsai, Y.-Y. Liao, and W.-C. Li, "A 125-kHz CMOS-MEMS Resoswitch Embedded Zero Quiescent Power OOK/FSK Receiver," Proc., 33rd IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'20), Vancouver, Canada, Jan. 18-22, 2020. (Oral Presentation)
2019
Y.-H. Chen, W.-C. Li, X.-W. Xiao, C.-C. Yang, and C.-H. Liu, "Design Optimization of a Compact Double-Ended-Tuning-Fork-Based Resonant Accelerometer for Smart Spindle Applications," Micromachines, vol. 11, no. 1, p. 42, Dec. 2019.
J.-R. Liu and W.-C. Li, "Temperature-Compensated CMOS-MEMS Resonators via Electrical Stiffness Frequency Pulling," J. Micromech. Microeng. (JMM), vol. 30, no. 1, pp. 014002, Nov. 2019. (in the special issue of JMM Emerging Leaders)
J.-S. Chen, W.-J. Su, Y. Cheng, W.-C. Li and C.-Y. Lin, "A Metamaterial Structure Capable of Wave Attenuation and Concurrent Energy Harvesting," Journal of Intelligent Material Systems and Structures, vol. 30, issue 20, pp. 2973-2981, Dec. 2019.
J.-R. Liu and W.-C. Li, "A Temperature-Insensitive CMOS-MEMS Resonator Utilizing Electrical Stiffness Compensation," Proc., 32nd IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'19), Seoul, South Korea, Jan. 27-31, 2019, pp. 161-164. (Oral Presentation)
J.-R. Liu, Y.-C. Lo, and W.-C. Li, "A Novel Micromechanical Mode-Localized Resonator Utilizing Anti-Resonating Structures," Proc., 32nd IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'19), Seoul, South Korea, Jan. 27-31, 2019, pp. 214-217. (Oral Presentation)
2018
S.-C. Lu, C.-P. Tsai, Y.-C. Huang, W.-R. Du, and W.-C. Li, "Surface Condition Influence on the Nonlinear Response of MEMS CC-Beam Resoswitches," IEEE Electron Device Letters (EDL), vol. 39, no. 10, pp. 1600-1603, Oct. 2018.
S.-C. Lu, W.-R. Du, Y.-C. Huang, C.-P. Tsai, and W.-C. Li, "MEMS Surface Coating Condition Monitoring via Nonlinear Tapping of Resoswitches," Proc., 2018 IEEE Int. Frequency Control Symposium (IFCS'18), Olympic Valley, CA, May 21-24, 2018. (Student Best Paper Finalist)
J.-R. Liu, S.-C. Lu, C.-P. Tsai, and W.-C. Li, "A CMOS-MEMS Clamped–Clamped Beam Displacement Amplifier for Resonant Switch Applications," J. Micromech. Microeng. (JMM), vol. 28, no. 6, pp. 065001, Mar. 2018.
S.-C. Lu, C.-P. Tsai, and W.-C. Li, "A CMOS-MEMS CC-Beam Metal Resoswitch for Zero Quiescent Power Receiver Applications," Proc., 31st IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'18), Belfast, North Ireland, UK, Jan. 21-25, 2018, pp. 801-804.
Domestic Magazines
杜文睿, 劉嘉仁, 陳庭毅, 李尉彰, "基於調諧質量阻尼之微機械質量感測器," 科儀新知第237期, Dec., 2023.
蔡淳樸, 李尉彰, "非線性輕敲模式微機械共振器頻率穩定性," 微系統暨奈米科技協會會刊第44期, Jan., 2021.
蔡淳樸, 杜文睿, 李尉彰, "微機械折疊樑梳狀共振式開關非線性動態碰撞模型," 微系統暨奈米科技協會會刊第40期, Dec., 2018.
李尉彰, "30 Years' Voyage of MEMS IEEE MEMS'17 研討會活動報導," 微系統暨奈米科技協會會刊第37期, Jun., 2017.
Domestic Conference
Y.-X. Huang, T.-Y. Chen, T.-J. Liou, and W.-C. Li, "Numerical Study of the Limitation of Pre-Energization Technique for Bit-Rate Increasing in Resoswitches," in the ICSS 2024 International Conference on Smart Sensors (暨第29屆台灣化學感測器科技研討會/第27屆微奈米系統工程研討會), Hsinchu, Jul. 1-2, 2024. (Good Poster Award)
P.-H. Chen, P.-Z. Chang, and W.-C. Li, "A High-Dynamic-Range Cutting Force Sensor Embedded Vise with Chatter Sensing Capability," in the ICSS 2024 International Conference on Smart Sensors (暨第29屆台灣化學感測器科技研討會/第27屆微奈米系統工程研討會), Hsinchu, Jul. 1-2, 2024.
T.-J Liou, C.-M. Lee, and W.-C. Li, "以化學鍍鎳實現高可靠度微機電共振式開關," 中華民國力學學會第四十七屆全國力學會議 (CTAM 2023), NFU, Yunlin, Nov. 17-18, 2023.
C.-Y. Hsu, T.-Y. Chen, and W.-C. Li, "An Ultrasensitive Mode-Localized MEMS Resonant Accelerometer," in the CACS 2023 International Automatic Control Conference (暨111年控制學門成果發表會), NPU, Penghu, Oct. 26-29, 2023. (Best Student Paper Award Honorable Mention)
P.-H. Hung, P.-Z. Chang, and W.-C. Li, "Accurate Prediction of Machining Time Considering Acceleration/Deceleration Motion Control," in the CACS 2023 International Automatic Control Conference (暨111年控制學門成果發表會), NPU, Penghu, Oct. 26-29, 2023.
K.-W. Lan, and W.-C. Li, "Sensitivity Improvement for Micromechanical Resonator Based Temperature Sensors Based on the Frequency Beating Method," in the CACS 2023 International Automatic Control Conference (暨111年控制學門成果發表會), NPU, Penghu, Oct. 26-29, 2023.
C.-M. Lee, T.-J. Liou, and W.-C. Li, "Sensitivity Enhancement for CC-beam Resoswitches Based on the Curved-beam Gap Narrowing Technique," in the CACS 2023 International Automatic Control Conference (暨111年控制學門成果發表會), NPU, Penghu, Oct. 26-29, 2023.
P.-C. Huang, I-F. Chung, and W.-C. Li, "CMOS-MEMS Tuned-Mass-Damper (TMD) Mode-Localized Electrical Current Sensor," in the CACS 2023 International Automatic Control Conference (暨111年控制學門成果發表會), NPU, Penghu, Oct. 26-29, 2023.
I.-C. Hsieh, T.-Y. Chen, and W.-C. Li, "以弧形結構實現微機電元件之被動式溫度補償," 中華民國力學學會第四十六屆全國力學會議 (CTAM 2022), NKUST, Kaohsiung, Nov. 18-19, 2022.
D.-Y. Wu, C.-P. Tsai, and W.-C. Li, "CMOS-MEMS Resoswitch Embedded Zero Standby Power Wake-up Receivers," 第19屆自動化科技國際研討會暨110年自動化學門成果發表會 (Automation 2022), Kaohsiung, Nov. 11-13, 2022.
C.-P. Tsai and W.-C. Li, "Parametric Study on the Contact Force of MEMS Resoswitches," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022. (Distinguished Oral Paper Award)
I-C. Hsieh and W.-C. Li, "Highly-Sensitive Temperature Sensors Based on Frequency Beating in CMOS-MEMS Resonators," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022. (Distinguished Oral Paper Award)
T.-Y. Chen and W.-C. Li, "Helmholtz Resonator Based Acoustic Filter Front-End," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022
P.-C. Huang and W.-C. Li, "CMOS-MEMS Tuned-Mass-Damper (TMD) Embedded Voltmeters," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022.
T.-J. Liou and W.-C. Li, "Process Development for CMOS-MEMS Based TiN Resoswitches," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022.
Y.-H. Huang and W.-C. Li, "Constructive Utilization of Nonlinearity for Increasing Operating Bandwidth of Micromechanical Resoswitches," in the ICSS 2022 International Conference on Smart Sensors (暨第27屆台灣化學感測器科技研討會/第25屆微奈米系統工程研討會), NCHU, Taichung, Oct. 22-23. 2022.
T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "An Achievement of CMOS-MEMS Temperature Sensor with Ultra High Sensitivity Based on Internal Resonance", the 2nd Symposium on Nano-Device Circuits and Technologies (SNDCT 2022), Online, May 19-20, 2022. (學生論文競賽入圍)
Y.-S. Lin, C.-H. Kuo, P.-Z. Chang, and W.-C. Li, "應用於量測車削刀具切削力之壓電感測器製程整合," 中華民國力學學會第四十五屆全國力學會議 (CTAM 2021), Online, Nov. 18-19, 2021.
T.-Y. Chen, C.-P. Tsai, and W.-C. Li, "Study on High-Order Internal Resonance of a Non-Uniform CMOS-MEMS CC-Beam Resonator," 第18屆自動化科技國際研討會暨109年自動化學門成果發表會 (Automation 2021), Kinmen, Nov. 11-14, 2021. (學生論文競賽金牌獎)
Y. Yi, H.-S. Zheng, and W.-C. Li, "Vibro-Impact Read-Out Scheme for Micromechanical Memory. the ICSS 2021 International Conference on Smart Sensors," in the ICSS 2021 International Conference on Smart Sensors (暨第26屆台灣化學感測器科技研討會/第24屆微奈米系統工程研討會), NTU, Taipei, Oct. 14-15, 2021. (Honorable Award)
C.-P. Tsai and W.-C. Li, "Numerical Investigations of Bifurcation Phenomenon and Motion Behavior for Single-Sided Vibro-Impacting Resonators," in the ICSS 2021 International Conference on Smart Sensors (暨第26屆台灣化學感測器科技研討會/第24屆微奈米系統工程研討會), NTU, Taipei, Oct. 14-15, 2021.
H.-S. Zheng, D.-Y. Wu, and W.-C. Li, "A Negative- Capacitance Equivalent Circuit Model for Micromechanical Clamped-Clamped Beam Resonators," in the ICSS 2021 International Conference on Smart Sensors (暨第26屆台灣化學感測器科技研討會/第24屆微奈米系統工程研討會), NTU, Taipei, Oct. 14-15, 2021.
T.-Y. Chen and W.-C Li, "Modeling of CMOS-MEMS Multiple-Stepped CC-Beam Resonators Using Adomian Decomposition Method," in the ICSS 2021 International Conference on Smart Sensors (暨第26屆台灣化學感測器科技研討會/第24屆微奈米系統工程研討會), NTU, Taipei, Oct. 14-15, 2021.
Y.-S. Lin, C.-H. Kuo, P.-Z. Chang, and W.-C. Li, "Piezoelectric Cutting Force Sensor for Turning Tools Based on a Through- Screw Via," in the ICSS 2021 International Conference on Smart Sensors (暨第26屆台灣化學感測器科技研討會/第24屆微奈米系統工程研討會), NTU, Taipei, Oct. 14-15, 2021.
Y.-S. Lin, P.-Z. Chang, and W.-C. Li, "應用於車削刀具壓電感測器成形之雷射製程整合技術," 中華民國力學學會第四十四屆全國力學會議 (CTAM 2020), NIU, Yilan, Nov. 26-27, 2020.
C.-P. Tsai and W.-C. Li, "Experimental Study on Frequency Stability of Micromechanical Resonators Operating in the Nonlinear Tapping Mode," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020. (Best Oral Paper Award)
S.-Y. Liu and W.-C. Li, "Contour-Plot Design Methodology for MEMS Capacitive Accelerometers," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020. (Excellent Poster Paper Award)
Y. Yi and W.-C. Li, "Bias-Voltage Reduction of CMOS-MEMS Resoswitches via Substrate Biasing," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020. (Best Poster Paper Award)
C.-E. Hsu and W.-C. Li, "Wet-Release Yield Improvement of CMOS-MEMS Metal Resonators via Diffusion Control," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020.
H.-W. Wang and W.-C. Li, "Q-Factor Enhancement and Frequency Trimming of Comb-Driven Folded-Beam Micromechanical Resonators Using Atmosphere-Pressure Plasma Jet," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020.
Y.-S. Lin, P.-Z. Chang, and W.-C. Li, "Process Integration of Piezoelectric Force Sensors for Real-Time Turning Tool Cutting Force Monitoring," in the ICSS 2020 International Conference on Smart Sensors (暨第25屆台灣化學感測器科技研討會/第23屆微奈米系統工程研討會), NSYSU, Kaohsiung, Oct. 19-20, 2020.
J.-R. Liu and W.-C. Li, "Theoretical modeling of a temperature-insensitive CMOS-MEMS free-free beam resonator," in the 21st Nano Engineering and Microsystem Technology Conference (第21屆奈米工程暨微系統技術研討會), Shenkeng, Taipei, Jun. 1-2, 2018. (壁報佳作獎)
C.-P. Tsai, W.-R. Du, and W.-C. Li, "Nonlinear contact dynamics modeling for comb-driven folded-beam micromechanical resoswitches," in the 21st Nano Engineering and Microsystem Technology Conference (第21屆奈米工程暨微系統技術研討會), Shenkeng, Taipei, Jun. 1-2, 2018. (最佳論文獎)
J.-R. Liu, S.-C. Lu, C.-P. Tsai, and W.-C. Li, "CMOS-MEMS-based arrayed-CC-Beam displacement amplifiers," in the 3rd Association of Computational Mechanics Taiwan (ACMT) Conference (第3屆台灣計算力學會議), Tainan, Oct. 19-20, 2017.
Prior to 2017
W.-C. Li, Z. Ren, and C. T.-C. Nguyen, “A micromechanical high-Q elliptic disk displacement amplifier,” in the 29th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'16), Shanghai, China, Jan. 24-28, 2016.
R. Liu, J. Naghsh Nilchi, W.-C. Li, and C. T.-C. Nguyen, “Soft-impacting micromechanical resoswitch zero-quiescent power AM receiver,” in the 29th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'16), Shanghai, China, Jan. 24-28, 2016.
W.-C. Li, Y. Lin, and C. T.-C. Nguyen, “Metal micromechanical filter-power amplifier utilizing a displacement-amplifying resonant switch,” in the 17th Int. Conf. on Solid-State Sensors, Actuators & Microsystems (TRANSDUCERS'13), Barcelona, Spain, Jun. 16-20, 2013, pp. 2469-2472.
Y.-J. Lai, W.-C. Li, C.-M. Lin, V. V. Felmetsger, D. G. Senesky, and A. P. Pisano, “MEMS piezoelectric energy harvesters for harsh environment sensing,” Proc. the 9th Intl. Workshop on Structural Health Monitoring (IWSHM’13), Stanford, CA, Sep. 10-12, 2013, pp. 2275-2282. (Invited)
Y. Lin, R. Liu, W.-C. Li, M. Akgul, and C. T.-C. Nguyen, “A micromechanical resonant charge pump,” in the 17th Int. Conf. on Solid-State Sensors, Actuators & Microsystems (TRANSDUCERS'13), Barcelona, Spain, Jun. 16-20, 2013, pp. 1727-1730. (Best Paper Award Winner)
Y.-J. Lai, W.-C. Li, C.-M. Lin, V. V. Felmetsger, and A. P. Pisano, “High-temperature stable piezoelectric aluminum nitride energy harvesters utilizing elastically supported diaphragms,” in the 17th Int. Conf. on Solid-State Sensors, Actuators, & Microsystems (TRANSDUCERS'13), Barcelona, Spain, Jun. 16-20, 2013, pp. 2268-2271. (Best Poster Award Winner)
Y. Lin, W.-C. Li, and C. T.-C. Nguyen, “A MEMS-based charge pump,” Tech. Dig. 2013 Symp. on VLSI Technology (VLSIT'13), Kyoto, Japan, Jun. 11-13, 2013, pp. T148-149.
L. Wu, M. Akgul, W.-C. Li, Y. Lin, Z. Ren, T. O. Rocheleau, C. T.-C. Nguyen, “Micromechanical disk array for enhanced frequency stability against bias voltage fluctuations,” Proc. 2013 Joint European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFCS), Prague, Czech Republic, Jul. 21-25, 2013, pp. 547 - 550.
Y.-J. Lai, W.-C. Li, C.-M. Lin, V. V. Felmetsger, D. G. Senesky, and A. P. Pisano, “SiC/AlN piezoelectric energy harvesters for pulsed pressure sources in harsh environment applications,” Tech. Dig. 2012 Solid-State Sensor, Actuator, and Microsystems Workshop (Hilton Head'12), Hilton Head, SC, Jun. 3-7, 2012, pp. 505-508.
Y. Lin, T. Riekkinen, W.-C. Li, E. Alon, and C. T.-C. Nguyen, “A metal micromechanical resonant switch for on-chip power applications,” Tech. Digest 2012 IEEE Int. Electron Devices Mtg. (IEDM'11), Washington, DC, Dec. 5-7, 2011, pp. 162-165.
L. Wu, M. Akgul, Z. Ren, Y. Lin, W.-C. Li, and C. T.-C. Nguyen, “Hollow stems for higher micromechanical disk resonator quality factor,” Proc. 2011 IEEE Int. Ultrasonics Symposium (IUS'11), Orlando, FL, Oct. 18-21, 2011, pp. 1964-1967.
W.-C. Li, Y. Jiang, R. A. Schneider, H. G. Barrow, L. Lin, and C.T.-C. Nguyen, “Polysilicon-filled carbon nanotube grass structural material for micromechanical resonators,” Tech. Dig. 24th IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'11), Cancun, Mexico, Jan. 23-27, 2011, pp. 477-480.
B. Kim, M. Akgul, Y. Lin, W.-C. Li, Z. Ren, and C. T.-C. Nguyen, “Acceleration sensitivity of small-gap capacitive micromechanical resonator oscillators,” Proc. 2010 IEEE Int. Frequency Control Symp. (FCS'10), Newport Beach, CA, Jun. 1-4, 2010, pp. 273-278.
W.-C. Li, Y. Lin, B. Kim, Z. Ren, and C. T.-C. Nguyen, “Quality factor enhancement in micromechanical resonators at cryogenic temperatures,” in the 15th Int. Conf. on Solid-State Sensors, Actuators, & Microsystems (TRANSDUCERS'09), Denver, CO, Jun. 21-25, 2009, pp. 1445-1448.
M. Akgul, B. Kim, L.-W. Hung, Y. Lin, W.-C. Li, W.-L. Huang, I. Gurin, A. Borna, and C. T.-C. Nguyen, “Oscillator far-from-carrier phase noise reduction via nano-scale gap tuning of micromechanical resonators,” in the 15th Int. Conf. on Solid-State Sensors, Actuators, & Microsystems (TRANSDUCERS'09), Denver, CO, Jun. 21-25, 2009, pp. 798-801.
Y. Lin, W.-C. Li, I. Gurin, S.-S. Li, Y.-W. Lin, Z. Ren, B. Kim, and C. T.-C. Nguyen, “Digitally-specified micromechanical displacement amplifiers,” in the 15th Int. Conf. on Solid-State Sensors, Actuators, & Microsystems (TRANSDUCERS'09), Denver, CO, Jun. 21-25, 2009, pp. 781-784.
Y. Lin, W.-C. Li, B. Kim, Y.-W. Lin, Z. Ren, and C. T.-C. Nguyen, “Enhancement of micromechanical resonator manufacturing precision via mechanically-coupled arraying,” Proc. 2009 IEEE Int. Frequency Control Symp. (FCS'09), Besancon, France, Apr. 20-24, 2009, pp. 58-63.
B. Kim, Y. Lin, W.-L. Huang, M. Akgul, W.-C. Li, Z. Ren, and C. T.-C. Nguyen, “Micromechanical resonant displacement gain stages,” Tech. Dig. 22nd IEEE Int. Conf. on Micro Electro Mechanical Systems (MEMS'09), Sorrento, Italy, Jan. 25-29, 2009, pp. 19-22.
Y. Lin, W.-C. Li, Z. Ren, and C. T.-C. Nguyen, “The micromechanical resonant switch (“Resoswitch”),” Tech. Dig. 2008 Solid-State Sensor, Actuator, and Microsystems Workshop (Hilton Head'08), Hilton Head, SC, Jun. 1-5, 2008, pp. 40-43.
Y. Lin, W.-C. Li, Z. Ren, and C. T.-C. Nguyen, “A resonance dynamical approach to faster, more reliable micromechanical switches,” Proc. 2008 IEEE Int. Frequency Control Symp. (FCS'08), Honolulu, Hawaii, May 19-21, 2008, pp. 640-645.
J.-L Cheng, C.-S. Wang, W.-C. Li, and C.-K. Wang, “A 1.1-V CMOS frequency synthesizer with pass-transistor-logic prescaler for U-NII band system,” Proc. 2008 Int. Symp. on VLSI Design Automation and Test (VLSI-DAT'08), Hsinchu, Taiwan, Apr. 23-25, 2008, pp. 117-120.
C.-S. Wang, W.-C. Li, C.-K. Wang, H.-Y. Shih, and T.-Y. Yang, “A 3–10 GHz full-band single VCO agile switching frequency generator for MB-OFDM UWB,” Proc. 2007 IEEE Asian Solid-State Circuits Conference (ASSCC'07), Jeju, Korea, Nov. 12-14, 2007, pp. 75-78.
W.-C. Li, C.-S. Wang, and C.-K. Wang, “A 2.4-GHz/3.5-GHz/5-GHz multi-band LNA with complementary switched capacitor multi-tap inductor in 0.18 μm CMOS,” Proc. 2006 Int. Symp. on VLSI Design Automation and Test (VLSI-DAT'06), Hsinchu, Taiwan, Apr. 26-28, 2006, pp. 1-4.
W.-C. Li, C.-S. Wang, and C.-K. Wang, “A multi-band CMOS LNA using complimentary switched capacitor multi-tap inductor for WMAN and WLAN applications,” in 2005 IEEJ Int. Analog VLSI Workshop, Oct. 19-21, 2005.
C.-S. Wang, W.-C. Li, and C.-K. Wang, “A multi-band multi-standard RF front-end for IEEE 802.16a and IEEE 802.11a/b/g applications,” Proc. IEEE Int. Symp. on Circuits and Systems (ISCAS'05), Kobe, Japan, May 23-26, 2005, pp. 3974-3977.
Patents
W.-C. Li, C.-P. Tsai, H.-W. Wang, “Device and method for monitoring surface condition of contact surface of detected object,” US11634319 B2, April 25th, 2023.
C. T.-C. Nguyen, W.-C. Li, R. Liu, “Zero-quiescent power receiver,” US10257002 B2, April 9th, 2019.
C. T.-C. Nguyen, Y. Lin, W.-C. Li, B. Kim, “Microelectromechanical system (MEMS) resonant switches and applications for power converters and amplifiers,” US9077060 B2, Jul. 7th, 2015.