Inventor

LEE SING H

US5 patents

⚠️ This page may combine multiple inventors who share the name “LEE SING H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CALIFORNIA

2 patents

US6107000AAug 22, 2000

Method for producing micro-optic elements with gray scale mask

UNIV CALIFORNIA41 citations89

US5242707ASep 7, 1993

System and method for producing electro-optic components integrable with silicon-on-sapphire circuits

UNIV CALIFORNIA13 citations70

GRAY SCALE TECHNOLOGIES INC

2 patents

US6534221B2Mar 18, 2003

Method for fabricating continuous space variant attenuating lithography mask for fabrication of devices with three-dimensional structures and microelectronics

GRAY SCALE TECHNOLOGIES INC35 citations87

US6524755B2Feb 25, 2003

Phase-shift masks and methods of fabrication

GRAY SCALE TECHNOLOGIES INC25 citations87

NASA

1 patent

US4035062AJul 12, 1977

Method and apparatus for producing an image from a transparent object

NASA6 citations56