Inventor
ALLEN DONALD G
US16 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN DONALD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
5 patentsUS7576951B2Aug 18, 2009
Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge
HITACHI GLOBAL STORAGE TECH35 citations92
US7612963B2Nov 3, 2009
Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surface
HITACHI GLOBAL STORAGE TECH16 citations83
US7748103B2Jul 6, 2010
Method of manufacturing a perpendicular magnetic recording write head with notched trailing shield
HITACHI GLOBAL STORAGE TECH5 citations73
US7509729B2Mar 31, 2009
Method for making a perpendicular magnetic recording write head
HITACHI GLOBAL STORAGE TECH6 citations62
US7030035B2Apr 18, 2006
Prevention of electrostatic wafer sticking in plasma deposition/etch tools
HITACHI GLOBAL STORAGE TECH3 citations56
ALLEN DONALD G
5 patentsUS8201320B2Jun 19, 2012
Method for manufacturing a magnetic write head having a wrap around shield that is magnetically coupled with a leading magnetic shield
ALLEN DONALD G24 citations91
US8218263B2Jul 10, 2012
Write head with different upper and lower yoke lengths and methods for making the same
ALLEN DONALD G10 citations83
US8547660B2Oct 1, 2013
Magnetic write head manufactured by an enhanced damascene process producing a tapered write pole with a non-magnetic spacer and non-magnetic bump
ALLEN DONALD G13 citations82
USD253722SDec 18, 1979
Medication carrier
ALLEN DONALD G13 citations72
US8498078B2Jul 30, 2013
Magnetic head with flared write pole having multiple tapered regions
ALLEN DONALD G1 citations50