Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1984-12-10
1986-09-09
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
118 501, 118620, 118728, 156643, 156646, 204298, B44C 122, C23F 100, C23C 1400, B05B 502
Patent
active
046107487
ABSTRACT:
A disk boat assembly for holding workpieces to be processed within a chemical reaction processing apparatus during the chemical vapor process. The boat assembly includes a pair of electrically conductive rail members held rigidly and radially apart between two dielectric end holding members that electrically isolate the two rail members. A plurality of disk like plates are connected respectively to the two rail members and are interleaved such that adjacent disk plates are electrically isolated. Each disk plate includes pairs of bores formed therein with each pair extending radially outward from the center of the disk. Insertable pins are placed in a respective pair of bores, the distance therebetween of which can be extended by insertion in an additional pair of bores lying further from the center of the disk so that variable diameter workpieces can be held on the broad surfaces of each disk plate.
REFERENCES:
patent: 4178877 (1979-12-01), Kudo
patent: 4222839 (1980-09-01), Goodner
patent: 4233109 (1980-11-01), Nishizawa
patent: 4424096 (1984-01-01), Kumagai
Engle George M.
Rosler Richard S.
Advanced Semiconductor Materials of America, Inc.
Powell William A.
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