Acid bath apparatus

Details Acid bath apparatus Acid bath apparatus

1981-07-27

1982-09-21

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156627, C23F 102

Patent

active

043505538

ABSTRACT:
Acid bath apparatus including a rectangular beaker (17) provided with a flange (40) and lip (42) which cooperate through a gasket (46), or other elastomeric device, with a circumscribing shelf (26) and an upstanding ridge (44) of a support housing (14) to create an effective seal (24) between the beaker and support housing (14). The shelf (26) is sloped away from the beaker (17) to carry away from the seal (24) any condensate that may form on it. The bath is heated by a heater (68) including electrical resistance elements (70) arranged on the beaker (17) and temperature is controlled by a temperature regulator (98) and an overtemperature sensing device (100) which deactivates the heater when an overtemperature condition is detected in the beaker (17).

REFERENCES:
patent: 2416716 (1947-03-01), Ross
patent: 3411999 (1968-11-01), Weinberg
patent: 3799179 (1974-03-01), Thomas

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