Donald MacLeod

Person

Santa Cruz, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for a laser-welded disk drive housing
- Patent number 7,119,984
- Issue date Oct 10, 2006
- Seagate Technology LLC
- Donald James Macleod
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for forming a rotatable ferrofluidic seal betw...
- Patent number 6,976,682
- Issue date Dec 20, 2005
- Seagate Technology LLC
- Donald James Macleod
- G11 - INFORMATION STORAGE
Information Patent Grant
Selectively stiff FDB bearing for better servo write
- Patent number 6,975,484
- Issue date Dec 13, 2005
- Seagate Technology LLC
- Troy Michael Herndon
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with damped load arm formed from Mn-Cu alloy co...
- Patent number 6,970,327
- Issue date Nov 29, 2005
- Seagate Technology LLC
- Donald James MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetizing apparatus
- Patent number 6,819,023
- Issue date Nov 16, 2004
- Seagate Technology LLC
- Donald J. MacLeod
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Distortion free laser welded fluid bearing design
- Patent number 6,781,266
- Issue date Aug 24, 2004
- Seagate Technology LLC
- Lynn Bich-Quy Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Tooth saturation for reduced electromagnetic harmonics
- Patent number 6,664,696
- Issue date Dec 16, 2003
- Seagate Technology LLC
- Tan H. Pham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrode design for electrochemical machining of grooves
- Patent number 6,638,414
- Issue date Oct 28, 2003
- Seagate Technology LLC
- Donald J. MacLeod
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Design methods for highly efficient high speed fluid dynamic bearin...
- Patent number 6,402,383
- Issue date Jun 11, 2002
- Seagate Technology, LLC
- Norbert S. Parsoneault
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Low cost hydrodynamic spindle
- Patent number 6,373,655
- Issue date Apr 16, 2002
- Seagate Technology, LLC
- Donald J. MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor assembly for disc drives
- Patent number 6,316,853
- Issue date Nov 13, 2001
- Seagate Technology LLC
- Donald James MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for assembling disc drive motors utilizing multiposition...
- Patent number 6,295,722
- Issue date Oct 2, 2001
- Seagate Technology LLC
- Donald J. MacLeod
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adhesiveless disc drive spindle assembly
- Patent number 6,282,053
- Issue date Aug 28, 2001
- Seagate Technology, Inc.
- Donald MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrode design for electrochemical machining of grooves
- Patent number 6,267,869
- Issue date Jul 31, 2001
- Seagate Technology LLC
- Donald J. MacLeod
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cleaning process for disc drive components
- Patent number 6,231,676
- Issue date May 15, 2001
- Seagate Technology LLC
- Gregory Ian Rudd
- B08 - CLEANING
Information Patent Grant
Low profile spindle motor
- Patent number 6,204,996
- Issue date Mar 20, 2001
- Seagate Technology LLC
- Donald James MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for assembling disc drive motors utilizing mul...
- Patent number 6,061,894
- Issue date May 16, 2000
- Seagate Technologies, Inc.
- Donald J. MacLeod
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Damping insert and isolation pad to reduce acoustic levels and vibr...
- Patent number 5,925,946
- Issue date Jul 20, 1999
- Seagate Technology, Inc.
- Jerry J. Weingord
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disc drive spindle motor with controlled resistance pathway from di...
- Patent number 5,844,748
- Issue date Dec 1, 1998
- Seagate Technology, Inc.
- John C. Dunfield
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive spindle motor with rotor isolation and controlled resist...
- Patent number 5,729,404
- Issue date Mar 17, 1998
- Seagate Technology, Inc.
- John C. Dunfield
- G11 - INFORMATION STORAGE
Information Patent Grant
Adhesiveless seal assembly incorporating magnetic seal for use with...
- Patent number 5,617,272
- Issue date Apr 1, 1997
- Seagate Technology, Inc.
- Donald J. MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Adhesiveless assembly with laser welding
- Patent number 5,529,404
- Issue date Jun 25, 1996
- Seagate Technology, Inc.
- Peter G. Robinson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High resistivity bearing balls for spindle motor isolation
- Patent number 5,485,331
- Issue date Jan 16, 1996
- Seagate Technology, Inc.
- John C. Dunfield
- G11 - INFORMATION STORAGE
Information Patent Grant
Hub-disc interface reducing hub reloaded disc surface curvature
- Patent number 5,457,589
- Issue date Oct 10, 1995
- Seagate Technology, Inc.
- Hans L. Leuthold
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor assembly for disc drives
- Patent number 5,352,947
- Issue date Oct 4, 1994
- Seagate Technology, Inc.
- Donald J. MacLeod
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary actuator
- Patent number 5,051,855
- Issue date Sep 24, 1991
- Seagate Technology, Inc.
- Sanjoy Ghose
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor for a disc drive
- Patent number 4,841,393
- Issue date Jun 20, 1989
- Seagate Technology, Inc.
- Donald J. MacLeod
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus & method for forming a rotatable ferrofluidic seal betwee...
- Publication number 20050013041
- Publication date Jan 20, 2005
- Seagate Technology LLC
- Donald James Macleod
- G11 - INFORMATION STORAGE
Information Patent Application
Damped load arm for a data storage device
- Publication number 20040066583
- Publication date Apr 8, 2004
- Donald James MacLeod
- G11 - INFORMATION STORAGE
Information Patent Application
Laser-based metal sealing of disk drives
- Publication number 20030223148
- Publication date Dec 4, 2003
- Donald James Macleod
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Selectively stiff FDB bearing for better servo write
- Publication number 20030117738
- Publication date Jun 26, 2003
- Troy Michael Herndon
- G11 - INFORMATION STORAGE
Information Patent Application
HYDRODYNAMIC SPINDLE MOTOR USING WELDING SEALING TECHNIQUE
- Publication number 20030030335
- Publication date Feb 13, 2003
- Dirk A. Krieger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Spindle motor assembly for disc drives
- Publication number 20020093256
- Publication date Jul 18, 2002
- Seagate Technology, Inc.
- Donald James MacLeod
- G11 - INFORMATION STORAGE
Information Patent Application
Distortion free laser welded fluid bearing design
- Publication number 20020053846
- Publication date May 9, 2002
- Lynn Bich-Quy Le
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Cleaning process, apparatus and system for disc drive components
- Publication number 20020026726
- Publication date Mar 7, 2002
- Seagate Technology LLC
- Gregory Ian Rudd
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Electrode design for electrochemical machining of grooves
- Publication number 20010050235
- Publication date Dec 13, 2001
- Seagate Technology LLC
- Donald J. MacLeod
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Donald MacLeod

Person

Patents Grantslast 30 patents

Method and apparatus for a laser-welded disk drive housing

Apparatus and method for forming a rotatable ferrofluidic seal betw...

Selectively stiff FDB bearing for better servo write

Data storage device with damped load arm formed from Mn-Cu alloy co...

Magnetizing apparatus

Distortion free laser welded fluid bearing design

Tooth saturation for reduced electromagnetic harmonics

Electrode design for electrochemical machining of grooves

Design methods for highly efficient high speed fluid dynamic bearin...

Low cost hydrodynamic spindle

Spindle motor assembly for disc drives

Apparatus for assembling disc drive motors utilizing multiposition...

Adhesiveless disc drive spindle assembly

Electrode design for electrochemical machining of grooves

Cleaning process for disc drive components

Low profile spindle motor

Method and apparatus for assembling disc drive motors utilizing mul...

Damping insert and isolation pad to reduce acoustic levels and vibr...

Disc drive spindle motor with controlled resistance pathway from di...

Disc drive spindle motor with rotor isolation and controlled resist...

Adhesiveless seal assembly incorporating magnetic seal for use with...

Adhesiveless assembly with laser welding

High resistivity bearing balls for spindle motor isolation

Hub-disc interface reducing hub reloaded disc surface curvature

Spindle motor assembly for disc drives

Rotary actuator

Spindle motor for a disc drive

Patents Applicationslast 30 patents

Apparatus & method for forming a rotatable ferrofluidic seal betwee...

Damped load arm for a data storage device

Laser-based metal sealing of disk drives

Selectively stiff FDB bearing for better servo write

HYDRODYNAMIC SPINDLE MOTOR USING WELDING SEALING TECHNIQUE

Spindle motor assembly for disc drives

Distortion free laser welded fluid bearing design

Cleaning process, apparatus and system for disc drive components

Electrode design for electrochemical machining of grooves