Inventor

LIU CHENG YIH

CN9 patents

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

IBM

6 patents

US4113551ASep 12, 1978

Polycrystalline silicon etching with tetramethylammonium hydroxide

IBM59 citations95

US4171242AOct 16, 1979

Neutral pH silicon etchant for etching silicon in the presence of phosphosilicate glass

IBM50 citations91

US4240845ADec 23, 1980

SAE MAGNETICS HK LTD

2 patents

US7310206B2Dec 18, 2007

Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same

SAE MAGNETICS HK LTD27 citations92

US7239488B2Jul 3, 2007

MR sensor on an insulating substrate and method of manufacture

SAE MAGNETICS HK LTD21 citations91

TDK CORP

1 patent

US7345849B2Mar 18, 2008

Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material

TDK CORP2 citations59

LIU CHENG YIH

IBM

Polycrystalline silicon etching with tetramethylammonium hydroxide

Neutral pH silicon etchant for etching silicon in the presence of phosphosilicate glass

Method of fabricating random access memory device

Fabrication method for controlled via hole process

Preparation of continuous films of diacetylenic polymers

One-device monolithic random access memory and method of fabricating same

SAE MAGNETICS HK LTD

Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same

MR sensor on an insulating substrate and method of manufacture

TDK CORP

Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material