Chemical bath apparatus and support assembly

Details Chemical bath apparatus and support assembly Chemical bath apparatus and support assembly

1984-01-23

1986-03-25

Richman, Barry S.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156627, 2065242, 220445, 220448, 422199, 422240, C23F 302

Patent

active

045781370

ABSTRACT:
A chemical bath apparatus is disclosed in which an open topped beaker having a heater mounted to the exterior wall thereof is supported in an open topped surrounding housing or shell by a support assembly, the beaker being in spaced relation to the shell. The support assembly includes a sleeve mounted in sealed relation around the heater so as to isolate the same from corrosive fumes and a resilient pad extending over a substantial area of the bottom wall of the beaker for support of substantially the entire weight of the beaker and chemical substance through the bottom wall. Vent openings for convection cooling between the shell and sleeve are also provided.

REFERENCES:
patent: 819765 (1906-05-01), Kiel
patent: 1276599 (1918-08-01), Weeks
patent: 1899413 (1933-02-01), Fritz
patent: 2783195 (1957-02-01), Raynes et al.
patent: 3095463 (1963-06-01), Chang et al.
patent: 3294603 (1966-12-01), Myers
patent: 3411999 (1968-11-01), Weinberg
patent: 3764116 (1973-10-01), Fuller et al.
patent: 4350553 (1982-09-01), Mendes
patent: 4475977 (1984-10-01), Dunn
The Condensed Chemical Dictionary, Tenth Ed., Van Nostrand Reinhold Co., pp. 403, 435 and 471, 1981.

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