Matthew James Sandor
Engineers in Boulder, CO
License number
Colorado 30295
Issued Date
Feb 7, 1995
Renew Date
Mar 1, 1997
Expiration Date
Mar 1, 1997
Type
Professional Engineer
Address
Address
3005 Herdelberg Dr, Boulder, CO 80303
Professional information
Conductive Lock Washer
US Patent:
6600632, Jul 29, 2003
Filed:
Jan 19, 2000
Appl. No.:
09/487232
Inventors:
Vaclav Prochazka - Longmont CO
Dana C. Fisher - Berthoud CO
Matthew J. Sandor - Boulder CO
D. Michael Keffeler - Longmont CO
Dana C. Fisher - Berthoud CO
Matthew J. Sandor - Boulder CO
D. Michael Keffeler - Longmont CO
Assignee:
Maxtor Corporation - Longmont CO
International Classification:
G11B 1702
US Classification:
3602641, 411544
Abstract:
A conductive lock washer for safely dissipating electrostatic charge which builds up on a disk surface without discharge across the head/dish gap. The lock washer, including a series of alternating inner and outer tabs, acts to reduce torque on the spindle washer damper and hoop stress on the washer itself, while still creating a conductive pathway to the top cover of the hard drive assembly.
Conductive Lock Washer
US Patent:
6665140, Dec 16, 2003
Filed:
Nov 25, 2002
Appl. No.:
10/304596
Inventors:
Vaclav Prochazka - Longmont CO
Dana C. Fisher - Berthoud CO
Matthew J. Sandor - Boulder CO
D. Michael Keffeler - Longmont CO
Dana C. Fisher - Berthoud CO
Matthew J. Sandor - Boulder CO
D. Michael Keffeler - Longmont CO
Assignee:
Maxtor Corporation - Longmont CO
International Classification:
G11B 1702
US Classification:
360 9908, 411544
Abstract:
A conductive lock washer for safely dissipating electrostatic charge which builds up on a disk surface without discharge across the head/dish gap. The lock washer, including a series of alternating inner and outer tabs, acts to reduce torque on the spindle washer damper and hoop stress on the washer itself, while still creating a conductive pathway to the top cover of the hard drive assembly.