Research/Patents/US 5194218
US 5194218

TUNGSTEN-YTTRIA CARBIDE COATING FOR CONVEYING COPPER

Assignee

UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY

Filed

Aug 18, 1988

Granted

Mar 16, 1993

Location

Livermore CA (LLNL)

Abstract

A method is provided for providing a carbided-tungsten-yttria coating on the interior surface of a copper vapor laser. The surface serves as a wick for the condensation of liquid copper to return the condensate to the interior of the laser for revolatilization.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Dec 27, 1988

Rescinded

Mar 12, 1992

Duration

3 years, 2 months

Inventor

  • 1ALBERT J. ROTHMAN

Sensitive facility: Livermore CA (LLNL)

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