Inventor
POON CHIE CHING
US28 patents
⚠️ This page may combine multiple inventors who share the name “POON CHIE CHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
13 patentsUS7262936B2Aug 28, 2007
Heating device and magnetic recording head for thermally-assisted recording
HITACHI GLOBAL STORAGE TECH68 citations98
US7133254B2Nov 7, 2006
Magnetic recording head with heating device
HITACHI GLOBAL STORAGE TECH63 citations97
US7649677B2Jan 19, 2010
Multi-ridged subwavelength aperture for optical transmission and thermally assisted magnetic recording
HITACHI GLOBAL STORAGE TECH29 citations92
US7729085B2Jun 1, 2010
Thermally assisted recording of magnetic media using an optical resonant cavity
HITACHI GLOBAL STORAGE TECH17 citations84
US7365941B2Apr 29, 2008
Optical recording head including an optical resonant cavity
HITACHI GLOBAL STORAGE TECH16 citations84
US7310205B2Dec 18, 2007
Thermally assisted recording of magnetic media using a resonant cavity and energy
HITACHI GLOBAL STORAGE TECH14 citations84
US6710295B1Mar 23, 2004
Slider curvature modification by substrate melting effect produced with a pulsed laser beam
HITACHI GLOBAL STORAGE TECH15 citations83
US7236334B2Jun 26, 2007
Repeatable ESD protection utilizing a process for unshorting a first shorting material between electrical pads and reshorting by recreating the short
HITACHI GLOBAL STORAGE TECH12 citations82
US6831249B2Dec 14, 2004
Slider produced by slider curvature modification by substrate melting produced with a pulsed laser beam
HITACHI GLOBAL STORAGE TECH7 citations73
US7345853B2Mar 18, 2008
Device with ESD protection utilizing a shorting material between electrical pads or leads which are shorted then unshorted by severing the shorting material and then recreating the short by reapplying the shorting material
HITACHI GLOBAL STORAGE TECH5 citations72
US7759630B2Jul 20, 2010
Method and apparatus for the generation and control of multiple near-field light sources at subwavelength resolution
HITACHI GLOBAL STORAGE TECH4 citations63
US6888701B2May 3, 2005
Enhanced twist adjust range with scribed lines for slider curvature adjust
HITACHI GLOBAL STORAGE TECH3 citations62
US7133257B2Nov 7, 2006
Control of twist, crown and camber for sliders using location sensitive scribing
HITACHI GLOBAL STORAGE TECH0 citations36
IBM
13 patentsUS6107599AAug 22, 2000
Method and tool for laser texturing of glass substrates
IBM47 citations96
US5759428AJun 2, 1998
Method of laser cutting a metal line on an MR head
IBM84 citations96
US6321440B1Nov 27, 2001
Method for adjusting curvature of magnetic read/write head sliders
IBM26 citations92
US6108170AAug 22, 2000
Slider row with segmented scribe lines for individual control curvature of sliders in the row
IBM26 citations92
US6075604AJun 13, 2000
Apparatus for measuring curvature of magnetic read/write head sliders
IBM22 citations92
US6049056AApr 11, 2000
Method of laser cutting a metal line on an MR head with a laser
IBM21 citations92
US5910262AJun 8, 1999
Method and tool for laser texturing of glass substrates
IBM33 citations92
US5907144AMay 25, 1999
Microscopic bar code for component identification and method for making same
IBM63 citations92
US6650511B2Nov 18, 2003
Magnetic head assembly with electrostatic discharge (ESD) shunt/pads seed layer
IBM22 citations91
US6538857B1Mar 25, 2003
Read head with N-cycle switch for electrostatic discharge (ESD) protection
IBM24 citations90
US5963569AOct 5, 1999
Multiple channel acousto-optic modulators
IBM18 citations84
US5981903ANov 9, 1999
Laser system for simultaneous texturing of two sides of a substrate
IBM19 citations82
US6631548B2Oct 14, 2003
Simultaneous slider crown and camber adjust by scribe line control
IBM6 citations62