Cubic boron nitride preparation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 28, 1987
Grant Date -
N/A
app pub date -
Jan 21, 1986
filing date -
Jan 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for producing coatings comprising cubic boron nitride on a substrate is disclosed. The process involves magnetron sputter deposition of a heated BN source in an evacuated atmosphere having a limited partial pressure of nitrogen and a noble gas. During cathodic sputtering of the BN source, a metal dopant selected from Groups IA, IVA, VA, VIIA, IB, IIB, IIIB, IVB and VB of the periodic table, the metal dopant preferably being Al or Cu, is deposited at a concentration less than 1.5 atomic percent.
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