Apparatus for processing circuit board substrate

Details Apparatus for processing circuit board substrate Apparatus for processing circuit board substrate

1985-03-11

1986-11-04

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156640, C23F 102, B44C 122, C03C 1500, C03C 2506

Patent

active

046208941

ABSTRACT:
Method and apparatus for chemically treating vertically oriented electronic printed circuit board substrates. The apparatus includes a conveyor system for transporting vertically oriented circuit board substrates through a plurality of adjacent spray chambers. The conveyor system minimizes the amount of chemical solution which is carried from one chamber into an adjoining chamber and permits the utilization of hollow slack tubing to engage and transport the substrates.

REFERENCES:
patent: 2822635 (1958-02-01), Mears
patent: 3795561 (1974-03-01), Bond et al.
patent: 4371422 (1983-02-01), Eidschun

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