Laser texture processing apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 2000
Grant Date -
N/A
app pub date -
Aug 12, 1998
filing date -
Aug 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser texture processing apparatus of the present invention for melting a surface of a hard disc 9 and forming a ring-shaped melted trace, including a laser oscillator 1 that is a beam source, an objective lens 8 for condensing a laser beam on a surface of the hard disc 9, and a depolarizer 7 for artificially depolarizing a laser beam which enters a beam path of the laser beam from the laser oscillator 1 to the objective lens 8.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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