Optical recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 2000
Issued Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Oct 21, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical recording medium includes a transparent substrate having a surface formed with a track of pits. A reflecting layer extends on the surface of the transparent substrate. The pits include first-type pits and second-type pits. The first-type pits are devoid of projecting rims extending along edges thereof while the second-type pits have projecting rims extending along edges thereof.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully