ROGER ALLEN SPENCER, MD
Medical Practice at Bascom Ave, San Jose, CA

License number

California G23444

Personal information

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Name

Address

Phone

Roger Spencer

5445 E Atchison St, Fresno, CA 93727

Roger Spencer

5688 Crestmont Ave, Livermore, CA 94551

Roger Spencer, age 71

4842 Theo Ave, Torrance, CA 90505

(310) 897-2379

Roger Spencer

856 Warren Way, Palo Alto, CA 94303

Roger Spencer

959 Regal Canyon Dr, Walnut, CA 91789

(909) 594-3984

Professional information

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Roger Allen Spencer, San Jose CA

Specialties:

Obstetrics & Gynecology, Maternal & Fetal Medicine, Neonatal-Perinatal Medicine

Work:

Santa Clara Valley Medical Center
751 S Bascom Ave, San Jose, CA 95128

Education:

University of Arizona (1971)

Dr. Roger A Spencer - MD (Doctor of Medicine)

Hospitals:

2105 Forest Ave, San Jose 95128
Santa Clara Community Vly Medical Center
751 S Bascom Ave, San Jose 95128
O'Connor Hospital
2105 Forest Ave, San Jose 95128
Santa Clara Valley Medical Center
751 South Bascom Ave, San Jose 95128
2105 Forest Ave, San Jose 95128
Santa Clara Community Vly Medical Center
751 S Bascom Ave, San Jose 95128
O'Connor Hospital
2105 Forest Ave, San Jose 95128
Santa Clara Valley Medical Center
751 South Bascom Ave, San Jose 95128

Education:

Medical Schools
University Of Arizona College Of Medicine
Graduated: 1971

Vibration Damper For A Multiple Disk Drive Unit

US Patent:

5422767, Jun 6, 1995

Filed:

May 17, 1994

Appl. No.:

8/243722

Inventors:

Michael R. Hatchett - San Jose CA
John S. Heath - San Jose CA
Hubert C. Lee - San Jose CA
Eun K. Row - San Jose CA
Roger D. Spencer - San Jose CA
Michael L. Workman - San Jose CA

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11B 1702

US Classification:

360 9801

Abstract:

A multiple disk drive system having two disk-head assemblies (HDA) internally mounted on a rigid frame and accessible via a common industry-standard interface connector is provided. Each HDA is enclosed in a separate housing which is mounted on the disk drive system frame. A vibration damper mounted on the disk drive system frame physically contacts each HDA housing providing a spring force which minimizes the effects of shock and vibration on the operation of the HDAs. The vibration damper is coated with a low-wear, electrically insulating material to provide electrical isolation between the vibration damper and the HDAs housings. The coating material is chosen to also provide a desired coefficient of friction between the vibration damper and the HDA housings. A single electronic controller board is shared by both HDAs and is mounted on the bottom side of the frame underlying the HDAs. The controller board may implement SCSI or IPI interfaces in either differential or single-ended versions.