Inventor
ZHENG YOUFENG
US29 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG YOUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEADWAY TECHNOLOGIES INC
19 patentsUS7016168B2Mar 21, 2006
Method of increasing CPP GMR in a spin valve structure
HEADWAY TECHNOLOGIES INC20 citations92
US7675718B2Mar 9, 2010
Narrow track CPP head with bias cancellation
HEADWAY TECHNOLOGIES INC8 citations84
US7180716B2Feb 20, 2007
Fabrication method for an in-stack stabilized synthetic stitched CPP GMR head
HEADWAY TECHNOLOGIES INC14 citations84
US7134184B2Nov 14, 2006
Process of manufacturing a narrow track CCP head with bias cancellation
HEADWAY TECHNOLOGIES INC12 citations84
US7201947B2Apr 10, 2007
CPP and MTJ reader design with continuous exchange-coupled free layer
HEADWAY TECHNOLOGIES INC7 citations74
US6885527B1Apr 26, 2005
Process to manufacture a top spin valve
HEADWAY TECHNOLOGIES INC7 citations74
US6873501B2Mar 29, 2005
CPP spin valve head with bias point control
HEADWAY TECHNOLOGIES INC8 citations74
US6392853B1May 21, 2002
Spin valve structure design with laminated free layer
HEADWAY TECHNOLOGIES INC13 citations74
US7506430B2Mar 24, 2009
Process to manufacture narrow track CPP head with bias cancellation
HEADWAY TECHNOLOGIES INC4 citations63
US7265947B2Sep 4, 2007
Stitching of AFM and channeling layers for in-stack biasing CPP
HEADWAY TECHNOLOGIES INC3 citations63
US7162791B2Jan 16, 2007
Method of manufacturing integrated spin valve head
HEADWAY TECHNOLOGIES INC2 citations63
US7134182B2Nov 14, 2006
Method to form an embedded micro-pedestal in a conductive layer
HEADWAY TECHNOLOGIES INC6 citations63
US7089650B2Aug 15, 2006
Method of manufacturing integrated spin valve head
HEADWAY TECHNOLOGIES INC1 citations63
US7075758B2Jul 11, 2006
Supplementary shield for CPP GMR read head
HEADWAY TECHNOLOGIES INC3 citations63
US7040005B2May 9, 2006
Process of making a GMR improvement in CPP spin valve head by inserting a current channeling layer (CCL)
HEADWAY TECHNOLOGIES INC4 citations63
US6995959B2Feb 7, 2006
Integrated spin valve head
HEADWAY TECHNOLOGIES INC3 citations63
US6943994B2Sep 13, 2005
Design of canted synthetic pattern exchange spin valve head for improving stability and bias
HEADWAY TECHNOLOGIES INC6 citations62
US7074456B2Jul 11, 2006
Process for manufacturing a bottom spin valve structure
HEADWAY TECHNOLOGIES INC0 citations52
US7060321B2Jun 13, 2006
Process for manufacturing a top spin valve
HEADWAY TECHNOLOGIES INC0 citations52
WESTERN DIGITAL TECH INC
5 patentsUS11557314B1Jan 17, 2023
Write heads having conducting side gap for directing current
WESTERN DIGITAL TECH INC22 citations94
US10777219B1Sep 15, 2020
Write heads configured to redirect current
WESTERN DIGITAL TECH INC16 citations94
US10861485B1Dec 8, 2020
Write heads configured to redirect current
WESTERN DIGITAL TECH INC8 citations84
US11657835B2May 23, 2023
Magnetic head with assisted magnetic recording comprising an electrically conductive, non-magnetic material
WESTERN DIGITAL TECH INC0 citations62
US11615806B2Mar 28, 2023
Magnetic head with assisted magnetic recording
WESTERN DIGITAL TECH INC0 citations62