Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Patent
1994-09-23
1997-02-04
Lopez, F. Daniel
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
359395, F25B 2900
Patent
active
055988881
ABSTRACT:
A controlled low temperature chamber for a microscope has a vacuum chamber in a housing. The housing has a top panel and a bottom panel. A mounting in the chamber mounts a sample in a manner whereby the sample is microscopically observable. The mounting includes a base member, a pair of spaced supports extending perpendicularly from the base member and a pair of spaced platforms supported by the supports. Each of the platforms has an upper surface on which the sample rests and a spaced undersurface beneath the sample. A temperature control system maintains a specified temperature in the chamber, applies a controlled temperature gradient on the sample and moves the gradient along the sample in a controlled manner, thereby directionally solidifying and melting the sample, as desired.
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Casagrande Louis G.
Edelstein Fred
Papazian John M.
Sullivan Edward V.
Anderson Terry J.
Grumman Aerospace Corporation
Hoch Jr. Karl J.
Lopez F. Daniel
Sgantzos Mark
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