P

Inventor

WANG HUI-CHUAN

US74 patents
⚠️ This page may combine multiple inventors who share the name “WANG HUI-CHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEADWAY TECHNOLOGIES INC

33 patents
US7602033B2Oct 13, 2009

Low resistance tunneling magnetoresistive sensor with composite inner pinned layer

HEADWAY TECHNOLOGIES INC82 citations98
US6322640B1Nov 27, 2001

Multiple thermal annealing method for forming antiferromagnetic exchange biased magnetoresistive (MR) sensor element

HEADWAY TECHNOLOGIES INC59 citations96
US7978439B2Jul 12, 2011

TMR or CPP structure with improved exchange properties

HEADWAY TECHNOLOGIES INC15 citations93
US7780820B2Aug 24, 2010

Low resistance tunneling magnetoresistive sensor with natural oxidized double MgO barrier

HEADWAY TECHNOLOGIES INC23 citations93
US7672088B2Mar 2, 2010

Heusler alloy with insertion layer to reduce the ordering temperature for CPP, TMR, MRAM, and other spintronics applications

HEADWAY TECHNOLOGIES INC27 citations93
US7476954B2Jan 13, 2009

TMR device with Hf based seed layer

HEADWAY TECHNOLOGIES INC36 citations93
US7333306B2Feb 19, 2008

Magnetoresistive spin valve sensor with tri-layer free layer

HEADWAY TECHNOLOGIES INC40 citations93
US6785954B2Sep 7, 2004

Method for fabricating lead overlay (LOL) on the bottom spin valve GMR read sensor

HEADWAY TECHNOLOGIES INC23 citations93
US6449131B2Sep 10, 2002

Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof

HEADWAY TECHNOLOGIES INC37 citations93
US6129957AOct 10, 2000

Method of forming a second antiferromagnetic exchange-coupling layer for magnetoresistive (MR) and giant MR (GMR) applications

HEADWAY TECHNOLOGIES INC37 citations91
US6024886AFeb 15, 2000

Planarizing method for fabricating an inductive magnetic write head for high density magnetic recording

HEADWAY TECHNOLOGIES INC36 citations90
US8921126B2Dec 30, 2014

Magnetic seed method for improving blocking temperature and shield to shield spacing in a TMR sensor

HEADWAY TECHNOLOGIES INC5 citations84
US8008740B2Aug 30, 2011

Low resistance tunneling magnetoresistive sensor with composite inner pinned layer

HEADWAY TECHNOLOGIES INC10 citations84
US7986498B2Jul 26, 2011

TMR device with surfactant layer on top of CoFexBy/CoFez inner pinned layer

HEADWAY TECHNOLOGIES INC11 citations84
US7829963B2Nov 9, 2010

TMR device with Hf based seed layer

HEADWAY TECHNOLOGIES INC12 citations84
US7646568B2Jan 12, 2010

Ultra thin seed layer for CPP or TMR structure

HEADWAY TECHNOLOGIES INC9 citations84
US7602590B2Oct 13, 2009

Tunneling magneto-resistive spin valve sensor with novel composite free layer

HEADWAY TECHNOLOGIES INC10 citations84
US7564658B2Jul 21, 2009

CoFe insertion for exchange bias and sensor improvement

HEADWAY TECHNOLOGIES INC16 citations84
US7390530B2Jun 24, 2008

Structure and process for composite free layer in CPP GMR device

HEADWAY TECHNOLOGIES INC15 citations84
US6870711B1Mar 22, 2005

Double layer spacer for antiparallel pinned layer in CIP/CPP GMR and MTJ devices

HEADWAY TECHNOLOGIES INC17 citations84
US6310751B1Oct 30, 2001

Anti-parallel longitudinal patterned exchange biased dual stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof

HEADWAY TECHNOLOGIES INC18 citations84
US7742261B2Jun 22, 2010

Tunneling magneto-resistive spin valve sensor with novel composite free layer

HEADWAY TECHNOLOGIES INC6 citations74
US7497007B2Mar 3, 2009

Process of manufacturing a TMR device

HEADWAY TECHNOLOGIES INC7 citations74
US7377025B2May 27, 2008

Method of forming an improved AP1 layer for a TMR device

HEADWAY TECHNOLOGIES INC5 citations74
US7234228B2Jun 26, 2007

Method of fabricating novel seed layers for fabricating spin valve heads

HEADWAY TECHNOLOGIES INC9 citations74
US7111386B2Sep 26, 2006

Lead plating method for GMR head manufacture

HEADWAY TECHNOLOGIES INC7 citations74
US7050273B2May 23, 2006

Bottom spin valve sensor having a lead overlay (LOL) structure fabricated thereon

HEADWAY TECHNOLOGIES INC8 citations74
US7035060B2Apr 25, 2006

Easily manufactured exchange bias stabilization scheme

HEADWAY TECHNOLOGIES INC6 citations74
US6230390B1May 15, 2001

Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof

HEADWAY TECHNOLOGIES INC7 citations74
US9214170B2Dec 15, 2015

TMR device with low magnetostriction free layer

HEADWAY TECHNOLOGIES INC5 citations73
US6496337B1Dec 17, 2002

Copper alloy GMR recording head

HEADWAY TECHNOLOGIES INC10 citations73
US8865008B2Oct 21, 2014

Two step method to fabricate small dimension devices for magnetic recording applications

HEADWAY TECHNOLOGIES INC5 citations72
US9281469B2Mar 8, 2016

Magnetic seed for improving blocking temperature and shield to shield spacing in a TMR sensor

HEADWAY TECHNOLOGIES INC2 citations63

ZHAO TONG

7 patents

WANG HUI-CHUAN

4 patents

ZHANG KUNLIANG

3 patents

HEADWAY TECH INC

2 patents

MAGIC TECHNOLOGIES INC

1 patent

Showing the top 50 of 74 patents by PatentIndex Score.