bio
Education
1984 BS Physics, BS Math, Oregon State University, Honors College
1981-82 Study Abroad in Germany at Unversitaet Tuebingen
1986 MS Physics, University of Maryland, College Park
1989 MSEE, Oregon State University
Employment
1988 (summer intern) Microwave Engineer, Boeing Electronics Co., Bellevue, Washington
Characterization of microwave MESFETs
1989-1994 Analog Design Engineer, NCR Microelectronics, Ft. Collins, Colorado
Design of analog/mixed-signal portion of semi-custom ASICs, including phase-locked loops, op amps, comparators, oscillators.
1994-1997 Analog Design Engineer, Lattice Semiconductor, Hillsboro, Oregon
Design of analog/mixed-signal "programmable analog circuit", including dual-differential comparator and digial to analog converter.
1997-2000 Analog Design Engineer, Hewlett-Packard Co., Corvallis, Oregon
Design of CMOS inkjet printhead chip, 1" form factor, 500 nozzles
2000 Hewlett-Packard spins-off electronics arm into Agilent Technologies
2000-2004 Analog Design Engineer, Agilent Techonogies, Corvallis, Oregon
Design of analog and mixed-signal circuits for control and read-out of CMOS image sensor IC
2000-2004 Pixel Optics Design Engineer, Agilent Techonogies, Corvallis, Oregon
Design and layout of pixel optics and color-filter/microlens arrays for CMOS image sensor ICs
2004 Agilent spins-out semiconductor unit into Avago Technologies
2004-2006 Pixel Optics Design Engineer, Avago Techonogies, Corvallis, Oregon
Design and layout of pixel optics and color-filter/microlens arrays for CMOS image sensor ICs
2006 Micron purchases digital camera division from Avago
2006-2008 Pixel Optics Design Engineer, Micron Technologies, Corvallis, Oregon
Design, modeling and simulation of CMOS image sensor pixels
2008 Micron Technology spins-out imaging division into Aptina Imaging
2008-present Pixel Optics Design Engineer, Aptina Imaging, Corvallis, Oregon
Design, modeling and simulation of CMOS image sensor pixels, including electromagnetics using FDTD
Selected Publication2009 International Image Sensor Workshop June 2009, Bergen, Norway
Pixel continues to shrink….Pixel Development for Novel CMOS Image Sensors
G. Agranov, R. Mauritzson, J. Ladd, A. Dokoutchaev, X. Fan, X. Li, Z. Yin, R. Johnson, V. Lenchenkov, S. Nagaraja, W. Gazeley, J. Bai, H. Lee, A. D’Anna, G. De-Amicis
US Patents Issued
2007 7,557,419 Method and apparatus for preventing or reducing color cross-talk between adjacent pixels in an image sensor device (Gazeley)
2007 7,408,140 Pixel with spatially varying metal route positions (Gazeley)
2005 7,432,491 Pixel with spatially varying sensor positions (Silsby/Gazeley/Borg)
2000 6,701,340 Double differential comparator and programmable analog block architecture using same (Gorecki/Gazeley/Yang)