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Class Information
Number: 428/64.2
Name: Stock material or miscellaneous articles > Circular sheet or circular blank > Recording medium or carrier
Description: Subject matter wherein the circular sheet or circular blank is a tangible object upon which an information signal is to be stored, the object having a characteristic which is, or may be, modified at positional increments in accordance with the time variation of information which is to be stored thereon.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575714 |
Silver alloy excellent in reflectance maintenance property and method for producing an optical recording medium |
Aug. 18, 2009 |
| 7566673 |
Glass substrate for an information recording medium and information recording medium employing it |
Jul. 28, 2009 |
| 7563521 |
Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof |
Jul. 21, 2009 |
| 7544428 |
Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof |
Jun. 9, 2009 |
| 7460463 |
Method of and apparatus for manufacturing multi-layer optical information recording medium |
Dec. 2, 2008 |
| 7427129 |
Boronic acid containing dyes to improve permanence of images |
Sep. 23, 2008 |
| 7396575 |
Molding die apparatus, method for disc substrate, and disc-shaped recording medium |
Jul. 8, 2008 |
| RE40330 |
Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation |
May. 20, 2008 |
| 7351460 |
Information recording medium, information recording device, and information recording method |
Apr. 1, 2008 |
| 7314907 |
Purified polymeric materials and methods of purifying polymeric materials |
Jan. 1, 2008 |
| 7306743 |
Recording medium, method of manufacturing recording medium and recording apparatus |
Dec. 11, 2007 |
| 7299535 |
Methods for making data storage media and the resultant media |
Nov. 27, 2007 |
| 7244813 |
Methods of purifying polymeric material |
Jul. 17, 2007 |
| 7230795 |
Recording medium having reduced surface roughness |
Jun. 12, 2007 |
| 7229746 |
Printed high strength permanent magnet targets for magnetic sensors |
Jun. 12, 2007 |
| 7182990 |
Optical information recording medium |
Feb. 27, 2007 |
| 7160597 |
Optical information recording medium |
Jan. 9, 2007 |
| 7157128 |
Optical information recording medium |
Jan. 2, 2007 |
| 7147906 |
Data storage medium comprising polyimides |
Dec. 12, 2006 |
| RE39412 |
Optical information medium, and method and apparatus for fabricating the same |
Nov. 28, 2006 |
| 7115208 |
Method of manufacturing recording medium |
Oct. 3, 2006 |
| 7009930 |
Optical information recording medium, method of recording and reproducing, and optical recording and reproducing system |
Mar. 7, 2006 |
| RE38979 |
Optical information recording medium and composition for optical information recording film |
Feb. 14, 2006 |
| 6984434 |
Recordable digital video disc |
Jan. 10, 2006 |
| 6982127 |
Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof |
Jan. 3, 2006 |
| 6977108 |
Recording medium including patterned tracks and isolation regions |
Dec. 20, 2005 |
| 6967050 |
Optical recording medium and a method of manufacturing the same |
Nov. 22, 2005 |
| 6936325 |
Optical recording medium |
Aug. 30, 2005 |
| 6924017 |
Ultraviolet-curable composition and optical recording |
Aug. 2, 2005 |
| 6908655 |
Optical recording medium |
Jun. 21, 2005 |
| 6899938 |
Phase change data storage device for multi-level recording |
May. 31, 2005 |
| 6898031 |
Method for replicating magnetic patterns on hard disk media |
May. 24, 2005 |
| 6881453 |
Optical film |
Apr. 19, 2005 |
| 6869655 |
Optical recording medium |
Mar. 22, 2005 |
| 6858298 |
Optical polycarbonate resin molding material |
Feb. 22, 2005 |
| 6858277 |
Information recording medium and method for manufacturing the same |
Feb. 22, 2005 |
| 6858279 |
Process for producing optical recording medium and optical recording medium |
Feb. 22, 2005 |
| 6846542 |
UV treatment for improving performance of lubricated thin film recording media and media obtained thereby |
Jan. 25, 2005 |
| 6825257 |
Polymer blends with mould-release agents |
Nov. 30, 2004 |
| 6824953 |
Photopolymerizable composition and recording material |
Nov. 30, 2004 |
| 6818386 |
Method for manufacturing a bonded optical disc |
Nov. 16, 2004 |
| 6811851 |
Process for producing ridgy resin film and recording medium |
Nov. 2, 2004 |
| 6811850 |
Optical information medium and its fabrication process |
Nov. 2, 2004 |
| 6783832 |
Information recording medium |
Aug. 31, 2004 |
| 6771374 |
Scatterometry based measurements of a rotating substrate |
Aug. 3, 2004 |
| 6764735 |
Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
Jul. 20, 2004 |
| 6764734 |
High modulus and high damping plastic composite disc substrate for improved servo control by injection and co-injection molding |
Jul. 20, 2004 |
| 6751184 |
Information recording medium, method for producing the same, and recording/reproducing method using the same |
Jun. 15, 2004 |
| 6715200 |
Methods for making data storage media |
Apr. 6, 2004 |
| 6703100 |
Disk-like recording medium and method for producing the same |
Mar. 9, 2004 |
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