Hubless optical disc having low radial runout and method of manu

Details Hubless optical disc having low radial runout and method of manu Hubless optical disc having low radial runout and method of manu

1997-04-17

1999-12-14

Ometz, David L.

Dynamic information storage or retrieval

Storage medium structure

Specified center hole or locating structure

369271, G11B 370, G11B 2500

Patent

active

060026634

ABSTRACT:
Hubless optical disc having low radial runout. The optical disc is capable of containing a high capacity of information therein. The optical disc includes a disc substrate having a formatted surface. A mechanism is provided within the disc substrate for mating the optical disc with a drive spindle, wherein the formatted surface is concentrically registered relative to the mechanism within the disc substrate. In one embodiment, the mechanism may comprise an annular groove, annular ridge, or a plurality of holes molded in the disc substrate. The present invention includes optical tooling for forming the hubless optical disc having low radial runout. The present invention further includes an optical disc player drive spindle capable of mating with the high-capacity hubless optical disc.

REFERENCES:
patent: 4351047 (1982-09-01), Redlich et al.
patent: 4785444 (1988-11-01), Nakane et al.
patent: 4910624 (1990-03-01), Peeters
patent: 5072438 (1991-12-01), Suzuki et al.
patent: 5125750 (1992-06-01), Corle et al.
patent: 5202880 (1993-04-01), Lee et al.
patent: 5326240 (1994-07-01), Kudo et al.
patent: 5470627 (1995-11-01), Lee et al.
patent: 5487926 (1996-01-01), Kuribayashi et al.
patent: 5582891 (1996-12-01), Murakami et al.
patent: 5644564 (1997-07-01), Peters
patent: 5673250 (1997-09-01), Mieda et al.

Affiliated with

Also associated with

Rating

Hubless optical disc having low radial runout and method of manu does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hubless optical disc having low radial runout and method of manu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hubless optical disc having low radial runout and method of manu will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-870111