Composite disk substrates

Details Composite disk substrates Composite disk substrates

1997-08-20

2000-05-30

Resan, Stevan A.

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 643, 428 653, 428 656, 428694ST, 360135, G11B 573

Patent

active

060689056

ABSTRACT:
A disk substrate fabricated front an inner substrate having a specific stiffness greater than about 7.6 Mpsi/gm/cc and an encapsulating layer deposited over the inner substrate. The inner substrate may include materials such as alumina, silicon carbide, beryllium, boron carbide, aluminum, and mixtures thereof. The encapsulating layer may be made from aluminum, magnesium, copper, zinc, and mixtures thereof. The disk substrate may additionally comprise a finishing layer deposited on the encapsulating layer fabricate from a material such as nickel or an alloy thereof. The invention also comprises use of the disk substrate in a data storage and retrieval device and a method of fabricating a disk

REFERENCES:
patent: 2763569 (1956-09-01), Bradstreet et al.
patent: 3850665 (1974-11-01), Plumat et al.
patent: 4397671 (1983-08-01), Vong
patent: 5043182 (1991-08-01), Schultze et al.
patent: 5118539 (1992-06-01), Sebby et al.
patent: 5487931 (1996-01-01), Annacone et al.
patent: 5626943 (1997-05-01), Tenhover
patent: 5712014 (1998-01-01), Carden
patent: 5820965 (1998-10-01), Pyzik et al.

Affiliated with

Also associated with

Rating

Composite disk substrates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composite disk substrates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite disk substrates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1908514