Production of magnetic recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 1, 1994
Grant Date -
N/A
app pub date -
Jan 17, 1992
filing date -
Jan 21, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic recording medium, consisting essentially of a polymeric, web-like substrate and a coherent thin layer of a ferromagnetic material is produced in a reduced-pressure chamber by depositing a vapor jet of the ferromagnetic material onto the moving substrate surface which is fed on a cylindrical drum.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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