Inventor
YUAN HONGPING
US24 patents
⚠️ This page may combine multiple inventors who share the name “YUAN HONGPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL FREMONT LLC
9 patentsUS8357244B1Jan 22, 2013
Method for lifting off photoresist beneath an overlayer
WESTERN DIGITAL FREMONT LLC150 citations99
US7910267B1Mar 22, 2011
Method and system for providing optical proximity correction for structures such as a PMR nose
WESTERN DIGITAL FREMONT LLC154 citations99
US7846643B1Dec 7, 2010
Method and system for providing a structure in a microelectronic device using a chromeless alternating phase shift mask
WESTERN DIGITAL FREMONT LLC148 citations99
US7829264B1Nov 9, 2010
Method and system for providing a microelectronic device using a plurality of focus distances
WESTERN DIGITAL FREMONT LLC150 citations99
US7785666B1Aug 31, 2010
Methods for fabricating a magnetic recording device
WESTERN DIGITAL FREMONT LLC153 citations99
US7736823B1Jun 15, 2010
Method and system for providing optical proximity correction for structures such as a PMR nose
WESTERN DIGITAL FREMONT LLC154 citations99
US7726009B1Jun 1, 2010
Method of fabricating a perpendicular recording write head having a gap with two portions
WESTERN DIGITAL FREMONT LLC156 citations99
US7419891B1Sep 2, 2008
Method and system for providing a smaller critical dimension magnetic element utilizing a single layer mask
WESTERN DIGITAL FREMONT LLC161 citations99
US9007719B1Apr 14, 2015
Systems and methods for using double mask techniques to achieve very small features
WESTERN DIGITAL FREMONT LLC2 citations63
ZHANG JINQIU
5 patentsUS8649123B1Feb 11, 2014
Method to eliminate reactive ion etching (RIE) loading effects for damascene perpendicular magnetic recording (PMR) fabrication
ZHANG JINQIU147 citations99
US8334093B2Dec 18, 2012
Method and system for providing a perpendicular magnetic recording head
ZHANG JINQIU150 citations99
US8310785B1Nov 13, 2012
Perpendicular magnetic recording head
ZHANG JINQIU147 citations99
US8136225B1Mar 20, 2012
Method and system for providing a perpendicular magnetic recording head
ZHANG JINQIU153 citations99
US8563146B1Oct 22, 2013
Method and system for providing a magnetic recording pole having a dual sidewall angle
ZHANG JINQIU151 citations97
SUN HAI
3 patentsUS8284517B1Oct 9, 2012
Perpendicular magnetic recording head
SUN HAI148 citations98
US8136224B1Mar 20, 2012
Method and system for providing a perpendicular magnetic recording head utilizing a mask having an undercut line
SUN HAI151 citations98
US8163185B1Apr 24, 2012
Method and apparatus for lifting off photoresist beneath an overlayer
SUN HAI147 citations97