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John S.
Portland OR. 97225
Ph.D. (Physical) Chemist with 35 years of experience in Semiconductors
I have recently retired from a 35 year career in the field of semiconductor lithography, having worked for Siemens, IBM, and Motorola. I am regarded as an industry expert and was named a fellow of the SPIE professional organization in 2009 for my contributions to the field of lithography, which is how light interacts with special chemicals to enable patterning of ultra high resolution patters for semiconductor chip fabrication. During my career I really enjoyed working with junior engineers... Read More >>
Tutoring Subjects
Chemistry