Ronald A. Barr

Person

Mountain View, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods of generating liquidphobic surfaces
- Patent number 8,540,889
- Issue date Sep 24, 2013
- Nanosys, Inc.
- Jason Hartlove
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Methods for fabricating redeposition free thin film CPP read sensors
- Patent number 7,111,382
- Issue date Sep 26, 2006
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Submicron track-width pole-tips for electromagnetic transducers
- Patent number 7,023,658
- Issue date Apr 4, 2006
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Inductive write head having high magnetic moment poles and low magn...
- Patent number 6,989,962
- Issue date Jan 24, 2006
- Western Digital (Fremont), Inc.
- Zi-Wen Dong
- G11 - INFORMATION STORAGE
Information Patent Grant
Insulation layer structure for inductive write heads and method of...
- Patent number 6,958,885
- Issue date Oct 25, 2005
- Western Digital (Fremont), Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Ultra-short yoke and ultra-low stack height writer and method of fa...
- Patent number 6,954,332
- Issue date Oct 11, 2005
- Western Digital (Fremont), Inc.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure and method for redeposition free thin film CPP read senso...
- Patent number 6,833,979
- Issue date Dec 21, 2004
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensors having submicron track widths and method o...
- Patent number 6,816,345
- Issue date Nov 9, 2004
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage and retrieval apparatus with thin film read head havin...
- Patent number 6,801,408
- Issue date Oct 5, 2004
- Western Digital (Fremont), Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Ultra-short yoke and ultra-low stack height writer and method of fa...
- Patent number 6,765,756
- Issue date Jul 20, 2004
- Western Digital (Fremont), Inc.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage and retrieval apparatus with thin film read head havin...
- Patent number 6,762,910
- Issue date Jul 13, 2004
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film read head structure with improved bias magnet-to-magnetor...
- Patent number 6,735,850
- Issue date May 18, 2004
- Western Digital (Fremont), Inc.
- Matthew Gibbons
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film writer with multiplayer write gap
- Patent number 6,724,569
- Issue date Apr 20, 2004
- Western Digital (Fremont), Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP magnetoresistive device and method for making same
- Patent number 6,687,977
- Issue date Feb 10, 2004
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film inductive read/write head with a sloped pole
- Patent number 6,657,816
- Issue date Dec 2, 2003
- Ronald A. Barr
- G11 - INFORMATION STORAGE
Information Patent Grant
Inductive write head including a thin high moment pedestal having a...
- Patent number 6,650,503
- Issue date Nov 18, 2003
- Read-Rite Corporation
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film write head with improved yoke to pole stitch
- Patent number 6,490,125
- Issue date Dec 3, 2002
- Read-Rite Corporation
- Ronald A. Barr
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film read head structure with improved bias magnet-to-magnetor...
- Patent number 6,487,056
- Issue date Nov 26, 2002
- Read-Rite Corporation
- Matthew Gibbons
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin valve device with improved exchange layer defined track width...
- Patent number 6,469,877
- Issue date Oct 22, 2002
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film write head with interlaced coil winding and method of fab...
- Patent number 6,466,401
- Issue date Oct 15, 2002
- Read-Rite Corporation
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film write having reduced resistance conductor coil partially...
- Patent number 6,452,742
- Issue date Sep 17, 2002
- Read-Rite Corporation
- Bill Crue
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for fabricating a high density magnetoresistive d...
- Patent number 6,445,553
- Issue date Sep 3, 2002
- Read-Rite Corporation
- Ronald Barr
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Structure and method for redeposition free thin film CPP read senso...
- Patent number 6,433,970
- Issue date Aug 13, 2002
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing an inductive write element employing bi-la...
- Patent number 6,430,806
- Issue date Aug 13, 2002
- Read-Rite Corporation
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film read head structure with improved bias magnet-to-magnetor...
- Patent number 6,421,212
- Issue date Jul 16, 2002
- Read-Rite Corporation
- Matthew Gibbons
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive head stabilized structure and method of fabricatio...
- Patent number 6,417,999
- Issue date Jul 9, 2002
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Merged write head with magnetically isolated poletip
- Patent number 6,404,601
- Issue date Jun 11, 2002
- Read-Rite Corporation
- Robert E. Rottmayer
- G11 - INFORMATION STORAGE
Information Patent Grant
High performance thin film magnetic write element having high Bsat...
- Patent number 6,381,095
- Issue date Apr 30, 2002
- Read-Rite Corporation
- Kyusik Sin
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP magnetoresistive device and method for making same
- Patent number 6,233,125
- Issue date May 15, 2001
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY
Information Patent Grant
CPP Magnetoresistive device with reduced edge effect and method for...
- Patent number 6,198,609
- Issue date Mar 6, 2001
- Read-Rite Corporation
- Ronald A. Barr
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR FABRICATING A HIGH DENSITY MAGNETORESISTIVE D...
- Publication number 20010040776
- Publication date Nov 15, 2001
- Read-Rite Corporation
- RONALD BARR
- B82 - NANO-TECHNOLOGY
Information Patent Application
CPP magnetoresistive device and method for making same
- Publication number 20010038516
- Publication date Nov 8, 2001
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY

Ronald A. Barr

Person

Patents Grantslast 30 patents

Methods of generating liquidphobic surfaces

Methods for fabricating redeposition free thin film CPP read sensors

Submicron track-width pole-tips for electromagnetic transducers

Inductive write head having high magnetic moment poles and low magn...

Insulation layer structure for inductive write heads and method of...

Ultra-short yoke and ultra-low stack height writer and method of fa...

Structure and method for redeposition free thin film CPP read senso...

Magnetoresistive sensors having submicron track widths and method o...

Data storage and retrieval apparatus with thin film read head havin...

Ultra-short yoke and ultra-low stack height writer and method of fa...

Data storage and retrieval apparatus with thin film read head havin...

Thin film read head structure with improved bias magnet-to-magnetor...

Thin film writer with multiplayer write gap

CPP magnetoresistive device and method for making same

Thin film inductive read/write head with a sloped pole

Inductive write head including a thin high moment pedestal having a...

Thin film write head with improved yoke to pole stitch

Thin film read head structure with improved bias magnet-to-magnetor...

Spin valve device with improved exchange layer defined track width...

Thin film write head with interlaced coil winding and method of fab...

Thin film write having reduced resistance conductor coil partially...

Method and system for fabricating a high density magnetoresistive d...

Structure and method for redeposition free thin film CPP read senso...

Method for manufacturing an inductive write element employing bi-la...

Thin film read head structure with improved bias magnet-to-magnetor...

Magnetoresistive head stabilized structure and method of fabricatio...

Merged write head with magnetically isolated poletip

High performance thin film magnetic write element having high Bsat...

CPP magnetoresistive device and method for making same

CPP Magnetoresistive device with reduced edge effect and method for...

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR FABRICATING A HIGH DENSITY MAGNETORESISTIVE D...

CPP magnetoresistive device and method for making same