Inventor
FONTANA JR ROBERT EDWARD
US36 patents
⚠️ This page may combine multiple inventors who share the name “FONTANA JR ROBERT EDWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
29 patentsUS6266218B1Jul 24, 2001
Magnetic sensors having antiferromagnetically exchange-coupled layers for longitudinal biasing
IBM216 citations99
US6023395AFeb 8, 2000
Magnetic tunnel junction magnetoresistive sensor with in-stack biasing
IBM235 citations99
US5898548AApr 27, 1999
Shielded magnetic tunnel junction magnetoresistive read head
IBM190 citations99
US5729410AMar 17, 1998
Magnetic tunnel junction device with longitudinal biasing
IBM284 citations99
US6259583B1Jul 10, 2001
Laminated yoke head with a domain control element
IBM114 citations98
US6168845B1Jan 2, 2001
Patterned magnetic media and method of making the same using selective oxidation
IBM194 citations98
US5901018AMay 4, 1999
Magnetic tunnel junction magnetoresistive read head with sensing layer as rear flux guide
IBM110 citations98
US5898547AApr 27, 1999
Magnetic tunnel junction magnetoresistive read head with sensing layer as flux guide
IBM150 citations98
US6114719ASep 5, 2000
Magnetic tunnel junction memory cell with in-stack biasing of the free ferromagnetic layer and memory array using the cell
IBM213 citations97
US6005753ADec 21, 1999
Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias
IBM120 citations97
US5701223ADec 23, 1997
Spin valve magnetoresistive sensor with antiparallel pinned layer and improved exchange bias layer, and magnetic recording system using the sensor
IBM214 citations97
US6609948B1Aug 26, 2003
Method of making an electronic lapping guide (ELG) for lapping a read sensor
IBM74 citations96
US6344949B1Feb 5, 2002
Flying height adjustment for air bearing sliders
IBM84 citations96
US6191918B1Feb 20, 2001
Embedded dual coil planar structure
IBM54 citations95
US6577476B1Jun 10, 2003
Flux guide structure for a spin valve transistor which includes a slider body semiconductor layer
IBM36 citations92
US6452761B1Sep 17, 2002
Magneto-resistive and spin-valve sensor gap with reduced thickness and high thermal conductivity
IBM40 citations92
US5896249AApr 20, 1999
Disk drive with identical top and bottom heads having three side-by-side elements and a common terminal pad
IBM37 citations92
US5805375ASep 8, 1998
Wobble motor microactuator for fine positioning and disk drive incorporating the microactuator
IBM44 citations92
US5734519AMar 31, 1998
Contact magnetic recording disk file with improved head assembly
IBM35 citations92
US6757144B2Jun 29, 2004
Flux guide read head with in stack biased current perpendicular to the planes (CPP) sensor
IBM23 citations91
US5867889AFeb 9, 1999
Double self-aligned insulated contiguous junction for flux-guided-MR or yoke-MR head applications
IBM26 citations91
US6466257B1Oct 15, 2002
Method and tool for measurement of roll static attitude of sliders in a magnetic recording head stack assembly
IBM20 citations89
US6131271AOct 17, 2000
Method of planarizing first pole piece layer of write head by lapping without delamination of first pole piece layer from wafer substrate
IBM28 citations88
US5798890AAug 25, 1998
Disk drive with identical three-element, side-by-side heads on opposite disk surfaces
IBM13 citations74
US6338939B1Jan 15, 2002
Embedded dual coil fabrication process
IBM13 citations73
US6271995B1Aug 7, 2001
Magnetic head for recording with ultra low force
IBM11 citations71
US5745979AMay 5, 1998
Magnetic head for recording with ultra low force
IBM11 citations71
US6821715B2Nov 23, 2004
Fully undercut resist systems using E-beam lithography for the fabrication of high resolution MR sensors
IBM4 citations62
US6188550B1Feb 13, 2001
Self-longitudinally biased magnetoresistive read transducer
IBM0 citations52
HITACHI GLOBAL STORAGE TECH
6 patentsUS7161773B2Jan 9, 2007
High linear density tunnel junction flux guide read head with in-stack longitudinal bias stack (LBS)
HITACHI GLOBAL STORAGE TECH22 citations93
US6870717B2Mar 22, 2005
Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
HITACHI GLOBAL STORAGE TECH21 citations93
US6819527B1Nov 16, 2004
Magnetic head with lower coil traces connected to integrally formed vertical interconnects and upper coil traces through plural insulating layer arrangement
HITACHI GLOBAL STORAGE TECH17 citations92
US6888705B2May 3, 2005
High linear density tunnel junction flux guide read head with in-stack longitudinal bias stack (LBS)
HITACHI GLOBAL STORAGE TECH14 citations84
US7230805B2Jun 12, 2007
Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
HITACHI GLOBAL STORAGE TECH7 citations74
US7116516B2Oct 3, 2006
Magnetic head having write head with helical coil and method for fabrication thereof
HITACHI GLOBAL STORAGE TECH10 citations74