Dr. Kee-Keun Lee Profile

Dr. Kee-Keun Lee

Professor at Ajou University

SPIE Involvement:

Author

Proceedings Article | 7 March 2014 Paper

Implementation of wireless battery-free microgyrosensor by utilizing one-port SAW delay line and an antenna with double resonant frequencies

C. Fu, O. Elmarzia, K. Lee

Proceedings Volume 8975, 897503 (2014) https://doi.org/10.1117/12.2041892

KEYWORDS: Resonators, Reflectivity, Reflectors, Antennas, Gyroscopes, Sensors, Metals, Wave propagation, Acoustics, Gold

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Proceedings Article | 9 March 2013 Paper

Solar cell packaged by a microlens array and its long-term optical efficiency enhancement

Minwoo Nam, Kangho Kim, Jaejin Lee, Sang Sik Yang, Kee-Keun Lee

Proceedings Volume 8614, 86140I (2013) https://doi.org/10.1117/12.2004016

KEYWORDS: Solar cells, Quartz, Chromium, Glasses, Photovoltaics, Microlens array, Packaging, Microlens, Etching, CCD cameras

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Proceedings Article | 15 February 2012 Paper

Planar refractive microlens arrays with high fill-factor fabricated by polymer replication technique

Minwoo Nam, Sang Sik Yang, Kee-Keun Lee

Proceedings Volume 8250, 825006 (2012) https://doi.org/10.1117/12.908229

KEYWORDS: Polymers, Photorefractive polymers, Quartz, Microlens, Etching, Microlens array, Chromium, Fabrication, Refraction, Scanning electron microscopy

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Proceedings Article | 28 February 2011 Paper

The interference effect of the Rayleigh wave and two intersecting shear-horizontal waves

Hyungkeun Lee, Haekwan Oh, Keekeun Lee, Sang Sik Yang

Proceedings Volume 7928, 79280N (2011) https://doi.org/10.1117/12.876069

KEYWORDS: Wave propagation interference, Signal generators, Gyroscopes, Semiconducting wafers, Wave propagation, Network security, Sensors, Acoustics, Biosensors, Velocity measurements

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Proceedings Article | 28 February 2011 Paper

A novel wireless Love wave biosensor platform for multifunctional detection

Taehyeon Song, Minwoo Nam, SeungYeon Song, Hyun C. Yoon, Keekeun Lee

Proceedings Volume 7928, 79280O (2011) https://doi.org/10.1117/12.876098

KEYWORDS: Biosensors, Reflectors, Polymethylmethacrylate, Reflection, Phase shifts, Gold, Reflectivity, Signal attenuation, Acoustics, Network security

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Proceedings Article | 28 February 2011 Paper

Spherical and non-spherical high fill-factor microlens arrays fabricated by polymer coating on isotropically etched quartz

Minwoo Nam, Haekwan Oh, Geunyoung Kim, Hyunwoo Seo, Yotak Song, Sang Sik Yang, Kee-Keun Lee

Proceedings Volume 7928, 792804 (2011) https://doi.org/10.1117/12.876092

KEYWORDS: Quartz, Etching, Spherical lenses, Polymers, Coating, Microlens array, Chromium, Refractive index, Photorefractive polymers, Microlens

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Proceedings Article | 5 February 2010 Paper

Development of a microlens array (MLA) for maskless photolithography application

Minwoo Nam, Haekwan Oh, Geunyoung Kim, Sangsik Yang, Keekeun Lee

Proceedings Volume 7592, 75920R (2010) https://doi.org/10.1117/12.841552

KEYWORDS: Polymers, Quartz, Ultraviolet radiation, Photomasks, Optical lithography, Etching, Microlens array, Scanning electron microscopy, Maskless lithography, Imaging systems

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Proceedings Article | 5 February 2010 Paper

Optimal design of SAW-based gyroscope to improve sensitivity

Haekwan Oh, Sangsik Yang, Keekeun Lee

Proceedings Volume 7592, 75920O (2010) https://doi.org/10.1117/12.841531

KEYWORDS: Oscillators, Gyroscopes, Transducers, Acoustics, Reflectors, Instrument modeling, Wave propagation, Fiber optic gyroscopes, Amplifiers, Chemical elements

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SPIE Journal Paper | 1 July 2009

Wireless surface acoustic wave chemical sensor for simultaneous measurement of CO₂ and humidity

Wen Wang, Chunbae Lim, Kee-Keun Lee, Sang Sik Yang

JM3, Vol. 8, Issue 03, 031306, (July 2009) https://doi.org/10.1117/12.10.1117/1.3158610

KEYWORDS: Carbon monoxide, Sensors, Humidity, Gas sensors, Reflectors, Phase shifts, Reflection, Polymers, Acoustics, Temperature metrology

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Proceedings Article | 24 February 2009 Paper

Simultaneous and wireless measurement of CO2 and humidity using a SAW reflective delay line

Chunbae Lim, Wen Wang, Keekeun Lee, Hae-Kwan Oh, Sangsik Yang

Proceedings Volume 7207, 72070W (2009) https://doi.org/10.1117/12.809994

KEYWORDS: Humidity, Carbon dioxide, Sensors, Reflectors, Gas sensors, Reflectivity, Reflection, Phase shifts, Chemical fiber sensors, Atrial fibrillation

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Proceedings Article | 24 February 2009 Paper

Sensitivity evaluation of a Love wave sensor with multilayer structure for biochemical application

Haekwan Oh, Wen Wang, Keekeun Lee, Sangsik Yang

Proceedings Volume 7207, 72070R (2009) https://doi.org/10.1117/12.809982

KEYWORDS: Polymethylmethacrylate, Silica, Multilayers, Wave sensors, Signal attenuation, Wave propagation, Gold, Dispersion, Acoustics, Waveguides

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Proceedings Article | 9 February 2009 Paper

Development of a novel surface acoustic wave MEMS-IDT gyroscope

Haekwan Oh, Keekeun Lee, Wen Wang, Sungjin Yun, Sangsik Yang

Proceedings Volume 7206, 72060I (2009) https://doi.org/10.1117/12.809991

KEYWORDS: Gyroscopes, Resonators, Oscillators, Transducers, Reflectors, Network security, Acoustics, Aluminum, Microelectromechanical systems, Sensors

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Proceedings Article | 19 January 2007 Paper

Development of wireless MEMS sensor for RFID tag and temperature/pressure monitoring

Wen Wang, K. Lee, T. Kim, S. Yang

Proceedings Volume 6463, 64630Q (2007) https://doi.org/10.1117/12.721021

KEYWORDS: Reflectors, Sensors, Phase shifts, Temperature sensors, Network security, Finite element methods, Temperature metrology, Microsensors, Reflectivity, Microelectromechanical systems

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Proceedings Article | 22 January 2005 Paper

Benzocyclobutene (BCB)-based spiral inductor for wireless application

Kee-Keun Lee, Bruce Kim

Proceedings Volume 5717, (2005) https://doi.org/10.1117/12.583027

KEYWORDS: Inductance, Metals, Resistance, Microelectromechanical systems, Silicon, Etching, Dielectrics, Reactive ion etching, Polymers, Skin

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Showing 5 of 14 publications

Conference Committee Involvement (5)

Reliability, Packaging, Testing, and Characterization of MOEMS/MEMS, Nanodevices, and Nanomaterials XIII

3 February 2014 | San Francisco, California, United States

Reliability, Packaging, Testing, and Characterization of MOEMS/MEMS and Nanodevices XII

4 February 2013 | San Francisco, California, United States

Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices XI

23 January 2012 | San Francisco, California, United States

Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices X

24 January 2011 | San Francisco, California, United States

Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS and Nanodevices IX

25 January 2010 | San Francisco, California, United States

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