The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 1993
Filed:
Feb. 21, 1992
Applicant:
Inventors:
Don P Pender, Tempe, AZ (US);
Marshall I Gurian, Tempe, AZ (US);
Assignee:
Advanced Systems Incorporated, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05C / ;
U.S. Cl.
CPC ...
118300 ; 118324 ;
Abstract
Apparatus for contacting a circuit board substrate with etching fluid or some other chemical includes a conveyor system comprised of upper and lower rotating disks for receiving and transporting the circuit board substrate while the substrate is contacted with fluid. The apparatus utilizes a modular drive system to drive the disks. The drive system is not exposed to the chemicals used to contact and process the circuit board substrate. The rotating disks can be removed from the apparatus without requiring disassembly of the modular drive system.