Inventor
LIU HUA-YU
US31 patents
⚠️ This page may combine multiple inventors who share the name “LIU HUA-YU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NUMERICAL TECH INC
10 patentsUS6684382B2Jan 27, 2004
Microloading effect correction
NUMERICAL TECH INC72 citations98
US6670082B2Dec 30, 2003
System and method for correcting 3D effects in an alternating phase-shifting mask
NUMERICAL TECH INC54 citations96
US6523165B2Feb 18, 2003
Alternating phase shift mask design conflict resolution
NUMERICAL TECH INC85 citations96
US6704921B2Mar 9, 2004
Automated flow in PSM phase assignment
NUMERICAL TECH INC25 citations92
US6566019B2May 20, 2003
Using double exposure effects during phase shifting to control line end shortening
NUMERICAL TECH INC46 citations92
US6553560B2Apr 22, 2003
Alleviating line end shortening in transistor endcaps by extending phase shifters
NUMERICAL TECH INC19 citations89
US6664009B2Dec 16, 2003
Method and apparatus for allowing phase conflicts in phase shifting mask and chromeless phase edges
NUMERICAL TECH INC15 citations84
US6830854B2Dec 14, 2004
System and method for correcting 3D effects in an alternating phase-shifting mask
NUMERICAL TECH INC5 citations74
US6573010B2Jun 3, 2003
Method and apparatus for reducing incidental exposure by using a phase shifter with a variable regulator
NUMERICAL TECH INC8 citations73
US6813759B2Nov 2, 2004
Hybrid optical proximity correction for alternating aperture phase shifting designs
NUMERICAL TECH INC6 citations62
LIU HUA-YU
5 patentsUS8438508B2May 7, 2013
Pattern selection for full-chip source and mask optimization
LIU HUA-YU36 citations97
US8739082B2May 27, 2014
Method of pattern selection for source and mask optimization
LIU HUA-YU11 citations91
US8543947B2Sep 24, 2013
Selection of optimum patterns in a design layout based on diffraction signature analysis
LIU HUA-YU15 citations91
USD689039SSep 3, 2013
Stereo set
LIU HUA-YU5 citations72
US8887104B2Nov 11, 2014
Correction for flare effects in lithography system
LIU HUA-YU1 citations49
ASML NETHERLANDS BV
4 patentsUS7747978B2Jun 29, 2010
System and method for creating a focus-exposure model of a lithography process
ASML NETHERLANDS BV37 citations93
US9183324B2Nov 10, 2015
Pattern selection for full-chip source and mask optimization
ASML NETHERLANDS BV6 citations84
US9934350B2Apr 3, 2018
Pattern selection for full-chip source and mask optimization
ASML NETHERLANDS BV1 citations63
US10423745B2Sep 24, 2019
Correction for flare effects in lithography system
ASML NETHERLANDS BV0 citations49
SYNOPSYS INC
4 patentsUS6944844B2Sep 13, 2005
System and method to determine impact of line end shortening
SYNOPSYS INC20 citations92
US7082596B2Jul 25, 2006
Simulation-based selection of evaluation points for model-based optical proximity correction
SYNOPSYS INC17 citations84
US7178128B2Feb 13, 2007
Alternating phase shift mask design conflict resolution
SYNOPSYS INC8 citations72
US7251377B2Jul 31, 2007
Cell library that can automatically avoid forbidden pitches
SYNOPSYS INC3 citations63