US 5198302
COATED INORGANIC FIBER REINFORCEMENT MATERIALS AND CERAMIC COMPOSITES COMPRISING THE SAME
Assignee
CORNING INCORPORATED
Filed
Apr 23, 1990
Granted
Mar 30, 1993
Location
PAINTED POST NY US
Abstract
Silicon nitride reinforcing fibers provided with a protective surface coating comprising a boron nitride base layer and, optionally, an alumina overcoating, and fiber-reinforced ceramic matrix composite products incorporating the protectively-coated fibers, are disclosed. The composites offer significantly improved high temperature strength in combination with low dielectric constant and low dielectric loss characteristics.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 8, 1991
Rescinded
Mar 20, 1992
Duration
5 months
Inventor
- 1KENNETH CHYUNG
Record Details
- Patent number
- US 5198302
- Application
- 07512392
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
CORNING INCORPORATEDBack to patent indexSource: USPTO 35 USC §181 secrecy order records