Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making named article
Patent
1992-06-12
1995-07-11
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making named article
430320, 430945, G11B 726
Patent
active
054320470
ABSTRACT:
An optical data storage device having a substrate has guide ridges, or reverse grooves, in a concentric or spiral shape formed thereon, and disposed in a plane parallel to and disposed from the substrate surface. The device further has pits formed approximately midway between the guide ridges and disposed in the substrate and having bottoms below the plane of the substrate surface. A method for manufacturing the optical data storage device having both address pits and guide ridges is disclosed. A dual tone photosensitive material is applied to a substrate, exposed with a laser light source comprising two distinct wavelengths, and developed to provide a desired bipolar geometry thereon.
REFERENCES:
patent: 4363116 (1982-12-01), Kleuters et al.
patent: 4469424 (1984-09-01), Matsui et al.
patent: 4732844 (1988-03-01), Ota et al.
patent: 4767723 (1988-08-01), Hinsberg et al.
patent: 4839251 (1989-06-01), Ohta et al.
patent: 4893298 (1990-01-01), Pasman et al.
patent: 4953385 (1990-04-01), Aoki et al.
patent: 5045438 (1991-09-01), Adachi
patent: 5060223 (1991-10-01), Segawa
Horigome, et al., "Novel Stamper Process for Optical Disc," SPIE vol. 889, Optical Storage Technology and Applications (1988), pp. 123-128.
Hinsberg, et al., "A Lithographic Anaglog of Color Photography: Self-Aligning Photolithography using a Resist with Wavelength-Dependent Tone,:" IBM Optical Media, RJ6750 (64597) Mar. 29, 1989, Chemistry.
Cheng John C.
Hinsberg, III William D.
Lynch, Jr. Robert T.
MacDonald Scott A.
Pederson Lester A.
Bowers Jr. Charles L.
International Business Machines - Corporation
McPherson John A.
Millett Douglas R.
Saber Paik
LandOfFree
Patterning process for bipolar optical storage medium does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Patterning process for bipolar optical storage medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Patterning process for bipolar optical storage medium will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-502627