Disk substrate for magnetic memory devices

Details Disk substrate for magnetic memory devices Disk substrate for magnetic memory devices

Filed on

1994-01-03

Date issued

1996-07-09

Examiner

Kiliman, Leszek

Patent Class

Stock material or miscellaneous articles

SubClass

Circular sheet or circular blank

SubSubClass

Recording medium or carrier

Other Related Categories

428 653, 428141, 428325, 428426, 428428, 428471, 428408, 428694ST, 428694SG, 428694TR, 428694BR, 428900, 360133, 360135, G11B 566, B32B 302, B32B 310

Type

Patent

Status

active

Patent number

055343210

Description

ABSTRACT:
This invention is directed to the fabrication of substrates for rigid information disks for use in a magnetic storage device, the surface of the substrate comprising a smooth area and a low friction area. Conveniently, the substrate will comprise a photonucleable glass wherein the low friction area will have a controlled textured surface.

REFERENCES:
patent: 2628160 (1953-02-01), Stookey
patent: 4971932 (1990-11-01), Alpha
patent: 4996622 (1991-02-01), Takatsuki
patent: 5093173 (1992-03-01), Nakagawa
patent: 5268207 (1993-12-01), Kruger
patent: 5328740 (1994-07-01), Nakayama

Affiliated with

Also associated with

Rating

Disk substrate for magnetic memory devices does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Disk substrate for magnetic memory devices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disk substrate for magnetic memory devices will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1865813