Process of making cryogenically cooled high thermal performance

Details Process of making cryogenically cooled high thermal performance Process of making cryogenically cooled high thermal performance

1990-06-29

1992-06-23

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

16510426, 165907, 165 801, B32B 3118

Patent

active

051239825

ABSTRACT:
A method for constructing a cooled optic wherein one or more cavities are milled, drilled or formed using casting or ultrasound laser machining techniques in a single crystal base and filled with porous material having high thermal conductivity at cryogenic temperatures. A non-machined strain-free single crystal can be bonded to the base to produce superior optics. During operation of the cooled optic, N.sub.2 is pumped through the porous material at a sub-cooled cryogenic inlet temperature and with sufficient system pressure to prevent the fluid bulk temperature from reaching saturation.

REFERENCES:
patent: 4956037 (1990-09-01), Vivaldi

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