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Total properties:
60
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Patent #:
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|
Issue Dt:
|
06/18/1991
|
Application #:
|
07421754
|
Filing Dt:
|
10/16/1989
|
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Title:
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ROTARY CHUCK FOR CENTERING AND RETAINING DATA DISCS
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|
Patent #:
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|
Issue Dt:
|
06/02/1992
|
Application #:
|
07627771
|
Filing Dt:
|
12/14/1990
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|
Title:
|
LINEAR SLIDE AND METHOD OF MANUFACTURE THEREOF
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|
Patent #:
|
|
Issue Dt:
|
01/05/1993
|
Application #:
|
07764532
|
Filing Dt:
|
09/24/1991
|
|
Title:
|
METHOD OF MAKING A MIRROR HAVING EXTREMELY SMALL APERTURE HOLES AT OTHER THAN NORMAL ANGLES TO THE SURFACES OF THE MIRROR
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Patent #:
|
|
Issue Dt:
|
07/26/1994
|
Application #:
|
07770642
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Filing Dt:
|
10/03/1991
|
|
Title:
|
SERVOWRITER/CERTIFIER
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|
Patent #:
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|
Issue Dt:
|
01/18/1994
|
Application #:
|
07781820
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Filing Dt:
|
10/23/1991
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|
Title:
|
METHOD AND APPARATUS TO CALIBRATE INTENSITY AND DETERMINE FRINGE ORDER FOR INTERFEROMETRIC MEASUREMENT OF SMALL SPACINGS
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Patent #:
|
|
Issue Dt:
|
04/06/1993
|
Application #:
|
07803537
|
Filing Dt:
|
12/09/1991
|
|
Title:
|
METHOD OF MANUFACTURING A LINEAR SLIDE
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|
Patent #:
|
|
Issue Dt:
|
04/04/1995
|
Application #:
|
07886964
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Filing Dt:
|
05/21/1992
|
|
Title:
|
HEAD DISK ASSEMBLY SIMULATOR
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Patent #:
|
|
Issue Dt:
|
10/10/1995
|
Application #:
|
08171913
|
Filing Dt:
|
12/21/1993
|
|
Title:
|
METHOD AND APPARATUS TO CALIBRATE INTENSITY AND DETERMINE FRINGE ORDER FOR INTERFEROMETRIC MEASUREMENT OF SMALL SPACINGS
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|
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|
Patent #:
|
|
Issue Dt:
|
12/09/1997
|
Application #:
|
08312307
|
Filing Dt:
|
09/26/1994
|
|
Title:
|
METHOD AND APPARATUS FOR TESTING THE RESISTIVE PROPERTIES OF MAGNETO RESISTIVE MATERIALS USING A TIME VARIABLE MAGNETIC FIELD
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Patent #:
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|
Issue Dt:
|
05/14/1996
|
Application #:
|
08405797
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Filing Dt:
|
03/16/1995
|
|
Title:
|
AUTOMATIC TESTING SYSTEM FOR MAGNETORESISTIVE HEADS
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|
Patent #:
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|
Issue Dt:
|
07/01/1997
|
Application #:
|
08406163
|
Filing Dt:
|
03/17/1995
|
|
Title:
|
VACUUM CHUCK FOR ROTATING DATA DISCS
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|
Patent #:
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|
Issue Dt:
|
09/23/1997
|
Application #:
|
08446906
|
Filing Dt:
|
05/17/1995
|
|
Title:
|
METHOD AND APPARATUS FOR ROTARY LOAD/UNLOAD SLIDER POSITIONING
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|
Patent #:
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|
Issue Dt:
|
06/23/1998
|
Application #:
|
08511075
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Filing Dt:
|
08/03/1995
|
|
Title:
|
INTEGRATED SPRING HEAD/GIMBAL ASSEMBLY HOLDER
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Patent #:
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|
Issue Dt:
|
06/10/1997
|
Application #:
|
08522553
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Filing Dt:
|
09/01/1995
|
|
Title:
|
IMAGING POLARIMETER DETECTOR FOR MEASUREMENT OF SMALL SPACINGS
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|
Patent #:
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|
Issue Dt:
|
12/16/1997
|
Application #:
|
08555362
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Filing Dt:
|
11/08/1995
|
|
Title:
|
METHOD AND APPARATUS FOR THE COHERENT DEMODULATION OF AN AMPLIFIED MODULATED CARRIER USING A DUAL TRACK AND HOLD AMPLIFIER AND THE APPLICATION OF SAID METHOD AND APPARATUS TO MEASUREMENT OF MAGNETIC MEDIA PERFORMANCE
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|
Patent #:
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|
Issue Dt:
|
10/07/1997
|
Application #:
|
08561691
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Filing Dt:
|
11/22/1995
|
|
Title:
|
GONIOMETER LOADER FOR TESTING THE HEIGHT OF A DISK DRIVE HEAD GIMBAL ASSEMBLY
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|
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|
Patent #:
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|
Issue Dt:
|
08/19/1997
|
Application #:
|
08574934
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Filing Dt:
|
12/19/1995
|
|
Title:
|
BURNISH HEAD FOR MAGNETIC MEDIA
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Patent #:
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|
Issue Dt:
|
07/28/1998
|
Application #:
|
08575916
|
Filing Dt:
|
12/20/1995
|
|
Title:
|
STOPS AND A CLUTCH FOR A LOADER THAT TEST THE FLYING HEIGHT OF A DISK DRIVE HEAD GIMBAL ASSEMBLY
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Patent #:
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|
Issue Dt:
|
09/16/1997
|
Application #:
|
08609853
|
Filing Dt:
|
03/01/1996
|
|
Title:
|
AUTOMATIC TESTING SYSTEM FOR MAGNETORESISTIVE HEADS
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|
Patent #:
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|
Issue Dt:
|
08/26/1997
|
Application #:
|
08616103
|
Filing Dt:
|
03/14/1996
|
|
Title:
|
OPTICAL SURFACE DETECTION FOR MAGNETIC DISKS
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|
Patent #:
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|
Issue Dt:
|
06/09/1998
|
Application #:
|
08623962
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Filing Dt:
|
03/29/1996
|
|
Title:
|
DISK DRIVE TEST SEQUENCE EDITOR
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Patent #:
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|
Issue Dt:
|
06/23/1998
|
Application #:
|
08631973
|
Filing Dt:
|
04/15/1996
|
|
Title:
|
METHOD AND APPARATUS FOR NON-CONTACT SERVO WRITING
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|
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Patent #:
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|
Issue Dt:
|
06/02/1998
|
Application #:
|
08632011
|
Filing Dt:
|
04/15/1996
|
|
Title:
|
METHOD AND APPARATUS FOR CAPTIVE CLOCK HEAD ASSEMBLY
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|
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Patent #:
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|
Issue Dt:
|
07/14/1998
|
Application #:
|
08632246
|
Filing Dt:
|
04/15/1996
|
|
Title:
|
SURFACE INSPECTION OF A DISK BY DIFFRACTION PATTERN SAMPLING
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|
|
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Patent #:
|
|
Issue Dt:
|
09/30/1997
|
Application #:
|
08634670
|
Filing Dt:
|
04/17/1996
|
|
Title:
|
MULTIPLEXED LASER INTERFEROMETER FOR NON-DISPERSED SPECTRUM DETECTION IN A DYNAMIC FLYIING HEIGHT TESTER
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|
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Patent #:
|
|
Issue Dt:
|
08/11/1998
|
Application #:
|
08634693
|
Filing Dt:
|
04/18/1996
|
|
Title:
|
METHOD AND APPARATUS FOR COMBINED GLIDE AND DEFECT ANALYSIS
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|
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Patent #:
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|
Issue Dt:
|
11/18/1997
|
Application #:
|
08698793
|
Filing Dt:
|
08/16/1996
|
|
Title:
|
FLYING HEIGHT ALTITUDE SIMULATOR
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|
|
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|
Patent #:
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|
Issue Dt:
|
09/15/1998
|
Application #:
|
08718899
|
Filing Dt:
|
09/24/1996
|
|
Title:
|
THIN FILM FLYING HEIGHT CALIBRATION DISK FOR CALIBRATING FLYING HEIGHT TESTERS
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Patent #:
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|
Issue Dt:
|
08/11/1998
|
Application #:
|
08719003
|
Filing Dt:
|
09/24/1996
|
|
Title:
|
COMBINED INTERFEROMETER/ELLIPSOMETER FOR MEASURING SMALL SPACINGS
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Patent #:
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|
Issue Dt:
|
07/14/1998
|
Application #:
|
08719252
|
Filing Dt:
|
09/24/1996
|
|
Title:
|
DETERMINING THE COMPLEX REFRACTIVE INDEX PHASE OFFSET IN INTERFEROMETRIC FLYING HEIGHT TESTING
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Patent #:
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|
Issue Dt:
|
03/16/1999
|
Application #:
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08726914
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Filing Dt:
|
10/07/1996
|
|
Title:
|
AN IMPROVED METHOD AND APPARATUS FOR DETECTING DEFECTS ON A DISK USING INTERFEROMETRIC ANALYSIS ON REFLECTED LIGHT
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Patent #:
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|
Issue Dt:
|
11/17/1998
|
Application #:
|
08739877
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Filing Dt:
|
10/31/1996
|
|
Title:
|
METHOD AND APPARATUS FOR THE MEASUREMENT OF DEFECTS IN MAGNETIC RECORDING DISKS USING A LOGARITHMIC AMPLIFIER
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Patent #:
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|
Issue Dt:
|
04/13/1999
|
Application #:
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08740648
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Filing Dt:
|
10/31/1996
|
|
Title:
|
END EFFECTOR FOR A ROBOTIC ARM OF A DISK CERTIFIER
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Patent #:
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Issue Dt:
|
11/16/1999
|
Application #:
|
08741574
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Filing Dt:
|
10/30/1996
|
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Title:
|
LOW Z-HEIGHT LOADER FOR A HEAD GIMBAL ASSEMBLY
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Patent #:
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|
Issue Dt:
|
02/16/1999
|
Application #:
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08761502
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Filing Dt:
|
12/06/1996
|
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Title:
|
DISTORTION OF AN ISOLATED PULSE
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Patent #:
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|
Issue Dt:
|
01/06/1998
|
Application #:
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08762136
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Filing Dt:
|
12/09/1996
|
|
Title:
|
A SINGLE TEST STATION THAT CAN TEST A FLYING HEIGHT AND ELECTRICAL CHARACTERISTICS OF A RECORDING HEAD
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|
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Patent #:
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Issue Dt:
|
12/02/1997
|
Application #:
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08766171
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Filing Dt:
|
12/12/1996
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Title:
|
CRASH TOLERANT AIR BEARING SPINDLE
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Patent #:
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|
Issue Dt:
|
12/09/1997
|
Application #:
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08766898
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Filing Dt:
|
12/13/1996
|
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Title:
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TOOLING FOR HOLDING A HEAD GIMBAL ASSEMBLY
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Patent #:
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Issue Dt:
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09/01/1998
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Application #:
|
08766899
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Filing Dt:
|
12/13/1996
|
|
Title:
|
PRESSURIZED AIR-IONIZATION GROUND FOR AN AIR BEARING SPINDLE
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Patent #:
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|
Issue Dt:
|
12/09/1997
|
Application #:
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08766900
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Filing Dt:
|
12/13/1996
|
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Title:
|
APPARATUS AND METHOD FOR EFFICIENT ELECTROSTATIC DISCHARGE ON GLASS DISKS IN FLYING HEIGHT TESTERS
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Patent #:
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Issue Dt:
|
11/17/1998
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Application #:
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08766901
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Filing Dt:
|
12/13/1996
|
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Title:
|
A MAGGNETIC MEDIA TESTER WHICH INCLUDES A FILTR THAT FILTERS THE PRODUCT OF A READ SIGNAL AND AN OUTPUT OF A PHASE LOCK LOOP CIRCUIT
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Patent #:
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|
Issue Dt:
|
04/13/1999
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Application #:
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08768558
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Filing Dt:
|
12/17/1996
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Title:
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METHOD AND APPARATUS FOR PROVIDING A CLOCK ASSEMBLY
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Patent #:
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Issue Dt:
|
07/21/1998
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Application #:
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08775254
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Filing Dt:
|
12/30/1996
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Title:
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CONDUCTIVE CONTACT FOR AN AIR BEARING SPINDLE
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Patent #:
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Issue Dt:
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02/17/1998
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Application #:
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08777490
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Filing Dt:
|
12/30/1996
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Title:
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OPTICAL SENSOR WITH AN ELLIPTICAL ILLUMINATION SPOT
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Patent #:
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Issue Dt:
|
11/24/1998
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Application #:
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08792940
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Filing Dt:
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01/21/1997
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Title:
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LOW NOISE PREAMPLIFIER FOR A MAGNETO-RESISTIVE HEAD TESTER
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Patent #:
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Issue Dt:
|
09/08/1998
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Application #:
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08797536
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Filing Dt:
|
02/07/1997
|
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Title:
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OPTICALLY VERIFIED GLIDE
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Patent #:
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Issue Dt:
|
10/06/1998
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Application #:
|
08797740
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Filing Dt:
|
02/07/1997
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Title:
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NON-CONTACT OPTICAL GLIDE TESTER
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Patent #:
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Issue Dt:
|
07/07/1998
|
Application #:
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08807669
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Filing Dt:
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02/27/1997
|
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Title:
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COMBINED INTERFEROMETER/POLARIMETER
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Patent #:
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Issue Dt:
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06/16/1998
|
Application #:
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08812424
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Filing Dt:
|
03/07/1997
|
|
Title:
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SLIDER FOR CALIBRATION AND CORRELATION OF FLYING HEIGHT TESTERS
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Patent #:
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|
Issue Dt:
|
12/08/1998
|
Application #:
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08877758
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Filing Dt:
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06/17/1997
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Title:
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CRASH TOLERANT AIR BEARING SPINDLE
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Patent #:
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|
Issue Dt:
|
05/11/1999
|
Application #:
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08878236
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Filing Dt:
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06/18/1997
|
|
Title:
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PIEZOELECTRIC NANOPOSITIONER
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Patent #:
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|
Issue Dt:
|
02/23/1999
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Application #:
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08908061
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Filing Dt:
|
08/11/1997
|
|
Title:
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APPARATUS AND METHOD FOR SURFACE INSPECTION BY SPECULAR INTERFEROMETRIC AND DIFFUSE LIGHT DETECTION
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Patent #:
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|
Issue Dt:
|
10/06/1998
|
Application #:
|
08919762
|
Filing Dt:
|
08/28/1997
|
|
Title:
|
VARIABLE PNEUMATIC LOADER FOR TESTING A DISK DRIVE HEAD GIMBAL ASSEMBLY
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|
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Patent #:
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|
Issue Dt:
|
10/13/1998
|
Application #:
|
08950463
|
Filing Dt:
|
10/15/1997
|
|
Title:
|
APPARATUS FOR TESTING MULTIPLE MAGNETIC RECORDING HEADS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/28/1999
|
Application #:
|
08999417
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Filing Dt:
|
12/29/1997
|
|
Title:
|
AIR BEARING FOR A SPINDLE
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|
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|
|
Patent #:
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|
Issue Dt:
|
10/31/2000
|
Application #:
|
09149205
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Filing Dt:
|
09/08/1998
|
|
Title:
|
LOADER WITH A MATCHING FINGER THAT LOADS A HEAD GIMBAL ASSEMBLY ONTO A DISK
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|
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Patent #:
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|
Issue Dt:
|
07/27/1999
|
Application #:
|
09190405
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Filing Dt:
|
11/11/1998
|
|
Title:
|
END EFFECTOR FOR A ROBOTIC ARM OF A DISK CERTIFIER
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|
|
|
|
Patent #:
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|
Issue Dt:
|
02/06/2001
|
Application #:
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09248164
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Filing Dt:
|
02/09/1999
|
|
Title:
|
APPARATUS AND METHOD FOR MEASURING FLYING HEIGHT AND A REAL INDEX OF REFRACTION
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|
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Patent #:
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|
Issue Dt:
|
02/06/2001
|
Application #:
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09248182
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Filing Dt:
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02/09/1999
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|
Title:
|
APPARATUS FOR MEASURING A SMALL GAP USING A SAVART PLATE
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Patent #:
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|
Issue Dt:
|
07/11/2000
|
Application #:
|
09337142
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Filing Dt:
|
06/21/1999
|
|
Title:
|
GLASS SUBSTRATE INSPECTION APPARATUS
|
|
