Research/Patents/US 5358912
US 5358912

BAS REINFORCED IN-SITU WITH SILICON NITRIDE

Assignee

LTV AEROSPACE AND DEFENSE COMPANY

Filed

Aug 8, 1991

Granted

Oct 25, 1994

Location

Arlington VA (defense contractors)

Abstract

A high temperature, high strength in-situ reinforced ceramic composite adapted for use in various applications including missile radomes in which microwave transparency is required in a high temperature environment. The material is manufactured by a pressureless sintering process, in which silicon nitride and barium aluminosilicate are blended together, isostatically pressed into a desired shape and thereafter sintered.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Feb 10, 1992

Rescinded

Nov 5, 1993

Duration

1 year, 8 months

Inventor

  • 1DOUGLAS W. FREITAG

Sensitive facility: Arlington VA (defense contractors)

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records