Boron nitride crucible
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 1992
Issued Date -
N/A
app pub date -
Aug 27, 1991
filing date -
Jun 6, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A boron nitride crucible having a closed end, an open end, an internal surface and an external surface, and wherein at least a portion of the external surface, preferably proximate the open end of the crucible, has a duplex coating comprising an undercoat of pyrolytic graphite and a top coat of pyrolytic boron nitride. A process for making the boron nitride crucible is also disclosed.
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