Stefan Maat

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Two-dimensional magnetic recording device with center shield stabil...
- Patent number 9,570,100
- Issue date Feb 14, 2017
- Western Digital Technologies, Inc.
- James Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Recessed IRMN reader process
- Patent number 9,177,588
- Issue date Nov 3, 2015
- HGST Netherlands B.V.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 9,042,059
- Issue date May 26, 2015
- HGST Netherlands B.V.
- Jordan Asher Katine
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,873,204
- Issue date Oct 28, 2014
- HGST Netherlands B.V.
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording write head with main pole formed o...
- Patent number 8,861,137
- Issue date Oct 14, 2014
- HGST Netherlands B.V.
- Hieu Lam
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,780,506
- Issue date Jul 15, 2014
- HGST Netherlands B.V.
- Stefan Maat
- G11 - INFORMATION STORAGE
Information Patent Grant
Scissor magnetic read head with wrap-around magnetic shield
- Patent number 8,749,926
- Issue date Jun 10, 2014
- HGST Netherlands B.V.
- Quang Le
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,670,218
- Issue date Mar 11, 2014
- HGST Netherlands B.V.
- Alexander M. Zeltser
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive sensor employing nitrogenated Cu/Ag under-layers w...
- Patent number 8,648,589
- Issue date Feb 11, 2014
- HGST Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,638,530
- Issue date Jan 28, 2014
- HGST Netherlands B.V.
- Yimin Hsu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,576,518
- Issue date Nov 5, 2013
- HGST Netherlands B.V.
- Alexander M. Zeltser
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic field sensing system using spin-torque diode effect
- Patent number 8,416,539
- Issue date Apr 9, 2013
- HGST Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,385,025
- Issue date Feb 26, 2013
- HGST Netherlands B.V.
- Stefan Maat
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tunneling magnetoresistive (TMR) read head with low magnetic noise
- Patent number 8,385,026
- Issue date Feb 26, 2013
- HGST Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...
- Patent number 8,351,165
- Issue date Jan 8, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Perpendicular magnetic recording write head with antiparallel-coupl...
- Patent number 8,320,078
- Issue date Nov 27, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Alexander M. Zeltser
- G11 - INFORMATION STORAGE
Information Patent Grant
Scissoring-type current-perpendicular-to-the-plane giant magnetores...
- Patent number 8,233,247
- Issue date Jul 31, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...
- Patent number 8,218,270
- Issue date Jul 10, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Alexander M. Zeltser
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive read head...
- Patent number 8,208,228
- Issue date Jun 26, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Stefan Maat
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for making a current-perpendicular-to-the-plane giant magnet...
- Patent number 8,178,158
- Issue date May 15, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Thomas R. Berthold
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tunneling magnetoresistive (TMR) device with improved ferromagnetic...
- Patent number 8,154,829
- Issue date Apr 10, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Perpendicular magnetic recording write head with improved laminated...
- Patent number 8,139,321
- Issue date Mar 20, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Alexander M. Zeltser
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider fly-height control in a hard disk drive
- Patent number 8,085,490
- Issue date Dec 27, 2011
- Hitachi Global Storage Technologies, Netherlands B.V.
- Luiz M. Franca-Neto
- G11 - INFORMATION STORAGE
Information Patent Grant
EMR sensor and transistor formed on the same substrate
- Patent number 8,059,373
- Issue date Nov 15, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- Liesl Folks
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for making a scissoring-type current-perpendicular-to-the-pl...
- Patent number 8,015,694
- Issue date Sep 13, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...
- Patent number 8,014,109
- Issue date Sep 6, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Increased anisotropy induced by direct ion etch for telecommunicati...
- Patent number 8,004,374
- Issue date Aug 23, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew Joseph Carey
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...
- Patent number 7,957,107
- Issue date Jun 7, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Chemically disordered material used to form a free layer or a pinne...
- Patent number 7,957,106
- Issue date Jun 7, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- Matthew J. Carey
- B82 - NANO-TECHNOLOGY
Information Patent Grant
End point detection for direct ion milling to induce magnetic aniso...
- Patent number 7,833,388
- Issue date Nov 16, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Matthew Joseph Carey
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
WAFER CLAMP FOR CONTROLLING WAFER BOWING AND FILM STRESS
- Publication number 20150235892
- Publication date Aug 20, 2015
- HGST NETHERLANDS B.V.
- Yunxiao Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC READ SENSOR WITH BAR SHAPED AFM AND PINNED LAYER STRUCTURE...
- Publication number 20150221328
- Publication date Aug 6, 2015
- HGST NETHERLANDS B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Application
RECESSED IRMN READER PROCESS
- Publication number 20150206550
- Publication date Jul 23, 2015
- HGST NETHERLANDS B.V.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
LOW RESISTANCE MAGNETIC SENSOR WITH EXTENDED PINNED LAYER STRUCTURE
- Publication number 20150118520
- Publication date Apr 30, 2015
- HGST NETHERLANDS B.V.
- Yongchul Ahn
- G11 - INFORMATION STORAGE
Information Patent Application
SCISSOR MAGNETIC READ HEAD WITH WRAP-AROUND MAGNETIC SHIELD
- Publication number 20140153138
- Publication date Jun 5, 2014
- HGST NETHERLANDS B.V.
- Quang Le
- B82 - NANO-TECHNOLOGY
Information Patent Application
Method for Junction Isolation to Reduce Junction Damage for a TMR S...
- Publication number 20120164757
- Publication date Jun 28, 2012
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Zheng Gao
- G01 - MEASURING TESTING
Information Patent Application
NICR AS A SEED STACK FOR FILM GROWTH OF A GAP LAYER SEPARATING A MA...
- Publication number 20120164486
- Publication date Jun 28, 2012
- Christian René Bonhôte
- G11 - INFORMATION STORAGE
Information Patent Application
Current perpendicular to plane (CPP) magnetoresistive sensor having...
- Publication number 20120161263
- Publication date Jun 28, 2012
- Stefan Maat
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENS...
- Publication number 20120156522
- Publication date Jun 21, 2012
- Stefan Maat
- G11 - INFORMATION STORAGE
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENS...
- Publication number 20120063034
- Publication date Mar 15, 2012
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Yimin Hsu
- G01 - MEASURING TESTING
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH IMPROVED LAMINATED...
- Publication number 20110249365
- Publication date Oct 13, 2011
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Alexander M. Zeltser
- G11 - INFORMATION STORAGE
Information Patent Application
SLIDER FLY-HEIGHT CONTROL IN A HARD DISK DRIVE
- Publication number 20110149428
- Publication date Jun 23, 2011
- Luiz M. FRANCA-NETO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTIVE SENSOR EMPLOYING NITROGENATED Cu/Ag UNDER-LAYERS W...
- Publication number 20110089940
- Publication date Apr 21, 2011
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE READ HEAD...
- Publication number 20110069413
- Publication date Mar 24, 2011
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Stefan Maat
- G11 - INFORMATION STORAGE
Information Patent Application
TUNNELING MAGNETORESISTIVE (TMR) READ HEAD WITH LOW MAGNETIC NOISE
- Publication number 20110043950
- Publication date Feb 24, 2011
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20110026168
- Publication date Feb 3, 2011
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
MICROWAVE CIRCULATOR WITH THIN-FILM EXCHANGE-COUPLED MAGNETIC STRUC...
- Publication number 20100102896
- Publication date Apr 29, 2010
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHETRLANDS B.V.
- Stefan Maat
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC FIELD SENSING SYSTEM USING SPIN-TORQUE DIODE EFFECT
- Publication number 20100033881
- Publication date Feb 11, 2010
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TUNNELING MAGNETORESISTIVE (TMR) DEVICE WITH IMPROVED FERROMAGNETIC...
- Publication number 20090323228
- Publication date Dec 31, 2009
- Intellectual Property Law
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE GIANT MAGNET...
- Publication number 20090297700
- Publication date Dec 3, 2009
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Thomas R. Berthold
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20090268353
- Publication date Oct 29, 2009
- Intellectual Property Law
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
SCISSORING-TYPE CURRENT-PERPENDICULAR-TO-THE-PLANE GIANT MAGNETORES...
- Publication number 20090257154
- Publication date Oct 15, 2009
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G11 - INFORMATION STORAGE
Information Patent Application
CURRENT PERPENDICULAR TO PLANE SPIN VALVE WITH HIGH-POLARIZATION MA...
- Publication number 20090168269
- Publication date Jul 2, 2009
- Matthew Joseph Carey
- G01 - MEASURING TESTING
Information Patent Application
SCISSORING-TYPE CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORES...
- Publication number 20090154025
- Publication date Jun 18, 2009
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20090091864
- Publication date Apr 9, 2009
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20090027813
- Publication date Jan 29, 2009
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CHEMICALLY DISORDERED MATERIAL USED TO FORM A FREE LAYER OR A PINNE...
- Publication number 20080268290
- Publication date Oct 30, 2008
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...
- Publication number 20080117553
- Publication date May 22, 2008
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENS...
- Publication number 20080112095
- Publication date May 15, 2008
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Matthew J. Carey
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING SYSTEM WITH MEDIUM HAVING ANTIFERROMAGNETIC-TO-...
- Publication number 20080100964
- Publication date May 1, 2008
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Eric Edward Fullerton
- G11 - INFORMATION STORAGE

Stefan Maat

Person

Patents Grantslast 30 patents

Two-dimensional magnetic recording device with center shield stabil...

Recessed IRMN reader process

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Perpendicular magnetic recording write head with main pole formed o...

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Scissor magnetic read head with wrap-around magnetic shield

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Magnetoresistive sensor employing nitrogenated Cu/Ag under-layers w...

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Magnetic field sensing system using spin-torque diode effect

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Tunneling magnetoresistive (TMR) read head with low magnetic noise

Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...

Perpendicular magnetic recording write head with antiparallel-coupl...

Scissoring-type current-perpendicular-to-the-plane giant magnetores...

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sens...

Current-perpendicular-to-the-plane (CPP) magnetoresistive read head...

Method for making a current-perpendicular-to-the-plane giant magnet...

Tunneling magnetoresistive (TMR) device with improved ferromagnetic...

Perpendicular magnetic recording write head with improved laminated...

Slider fly-height control in a hard disk drive

EMR sensor and transistor formed on the same substrate

Method for making a scissoring-type current-perpendicular-to-the-pl...

Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...

Increased anisotropy induced by direct ion etch for telecommunicati...

Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor wi...

Chemically disordered material used to form a free layer or a pinne...

End point detection for direct ion milling to induce magnetic aniso...

Patents Applicationslast 30 patents

WAFER CLAMP FOR CONTROLLING WAFER BOWING AND FILM STRESS

MAGNETIC READ SENSOR WITH BAR SHAPED AFM AND PINNED LAYER STRUCTURE...

RECESSED IRMN READER PROCESS

LOW RESISTANCE MAGNETIC SENSOR WITH EXTENDED PINNED LAYER STRUCTURE

SCISSOR MAGNETIC READ HEAD WITH WRAP-AROUND MAGNETIC SHIELD

Method for Junction Isolation to Reduce Junction Damage for a TMR S...

NICR AS A SEED STACK FOR FILM GROWTH OF A GAP LAYER SEPARATING A MA...

Current perpendicular to plane (CPP) magnetoresistive sensor having...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENS...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENS...

PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH IMPROVED LAMINATED...

SLIDER FLY-HEIGHT CONTROL IN A HARD DISK DRIVE

MAGNETORESISTIVE SENSOR EMPLOYING NITROGENATED Cu/Ag UNDER-LAYERS W...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE READ HEAD...

TUNNELING MAGNETORESISTIVE (TMR) READ HEAD WITH LOW MAGNETIC NOISE

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

MICROWAVE CIRCULATOR WITH THIN-FILM EXCHANGE-COUPLED MAGNETIC STRUC...

MAGNETIC FIELD SENSING SYSTEM USING SPIN-TORQUE DIODE EFFECT

TUNNELING MAGNETORESISTIVE (TMR) DEVICE WITH IMPROVED FERROMAGNETIC...

METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE GIANT MAGNET...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

SCISSORING-TYPE CURRENT-PERPENDICULAR-TO-THE-PLANE GIANT MAGNETORES...

CURRENT PERPENDICULAR TO PLANE SPIN VALVE WITH HIGH-POLARIZATION MA...

SCISSORING-TYPE CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORES...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

CHEMICALLY DISORDERED MATERIAL USED TO FORM A FREE LAYER OR A PINNE...

CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR WI...

DUAL CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENS...

MAGNETIC RECORDING SYSTEM WITH MEDIUM HAVING ANTIFERROMAGNETIC-TO-...