Inventor
CHA ELLIS T
US30 patents
⚠️ This page may combine multiple inventors who share the name “CHA ELLIS T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAE MAGNETICS HK LTD
26 patentsUS7782569B2Aug 24, 2010
Magnetic recording head and media comprising aluminum oxynitride underlayer and a diamond-like carbon overcoat
SAE MAGNETICS HK LTD18 citations92
US7440219B2Oct 21, 2008
Non-contact measurement of slider fly height by electrostatic force
SAE MAGNETICS HK LTD17 citations92
US7046473B2May 16, 2006
Method and apparatus for active fly height control with heating and electrical charge
SAE MAGNETICS HK LTD44 citations92
US7342750B2Mar 11, 2008
Method for providing electrical crossover in a laminated structure
SAE MAGNETICS HK LTD45 citations91
US7907368B2Mar 15, 2011
Balanced head gimbal assembly for improved seeking performance
SAE MAGNETICS HK LTD7 citations84
US7679857B2Mar 16, 2010
Non-contact measurement of slider fly height by electrostatic force
SAE MAGNETICS HK LTD14 citations84
US8014104B2Sep 6, 2011
Magnetic head/disk with transition metal oxynitride adhesion/corrosion barrier and diamond-like carbon overcoat bilayer
SAE MAGNETICS HK LTD12 citations83
US7506552B2Mar 24, 2009
Micro torque and micro stiffness measurement device
SAE MAGNETICS HK LTD8 citations83
US7760468B2Jul 20, 2010
Air-bearing design with particle rejection features
SAE MAGNETICS HK LTD13 citations82
US7085083B2Aug 1, 2006
Method for testing a micro-actuator in a magnetic tester
SAE MAGNETICS HK LTD8 citations74
US6765758B1Jul 20, 2004
Subambient pressure slider including secondary structures in the subambient area
SAE MAGNETICS HK LTD8 citations74
US8027127B2Sep 27, 2011
Method of reducing slider roll torque by balancing head gimbal assembly for improved seeking performance
SAE MAGNETICS HK LTD5 citations73
US8018682B2Sep 13, 2011
Magnetic disk comprising an aluminum alloy oxynitride underlayer and a diamond-like carbon overcoat
SAE MAGNETICS HK LTD4 citations73
US8009387B2Aug 30, 2011
Forming an aluminum alloy oxynitride underlayer and a diamond-like carbon overcoat to protect a magnetic recording head and/or media
SAE MAGNETICS HK LTD4 citations73
US7617737B2Nov 17, 2009
Adjustment of pitch and roll static torques in a disk drive head gimbal assembly
SAE MAGNETICS HK LTD7 citations73
US6943989B2Sep 13, 2005
Subambient pressure slider with partitioned subambient area
SAE MAGNETICS HK LTD10 citations70
US7460336B1Dec 2, 2008
Slider design including stiction reduction pads
SAE MAGNETICS HK LTD4 citations63
US7092213B1Aug 15, 2006
Multiple level surface configuration for a sub-ambient pressure air bearing slider
SAE MAGNETICS HK LTD6 citations63
US6989671B2Jan 24, 2006
Detection of slider-disk interference using a dynamic parametric test
SAE MAGNETICS HK LTD4 citations63
US6831814B2Dec 14, 2004
Flexure design providing improved lift-off in a disk drive
SAE MAGNETICS HK LTD4 citations63
US8045295B2Oct 25, 2011
Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head
SAE MAGNETICS HK LTD2 citations62
US7957104B2Jun 7, 2011
Suspension with bi-layer flexure base whose layers have different coefficients of thermal expansion to eliminate thermally induced flying height variations
SAE MAGNETICS HK LTD3 citations62
US7885040B2Feb 8, 2011
Suspension with locally strengthened gimbal
SAE MAGNETICS HK LTD2 citations62
US7233460B2Jun 19, 2007
Ultra-low flying height slider design
SAE MAGNETICS HK LTD1 citations52
US7978436B2Jul 12, 2011
Air bearing surface with higher flying height for lower rotating speed drives
SAE MAGNETICS HK LTD1 citations51
US7837885B2Nov 23, 2010
Air bearing design with a flatter pitch profile for reducing particle TAs
SAE MAGNETICS HK LTD0 citations51