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:
Mar. 26, 1996
Filed:
Feb. 22, 1994
Applicant:
Inventor:
Don P Pender, Tempe, AZ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ; B05C / ; B05C / ;
U.S. Cl.
CPC ...
118300 ; 118 64 ; 118314 ; 118506 ; 118733 ; 494841 ; 403338 ; 134114 ; 34209 ; 34242 ;
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 includes a labyrinth seal which is used to prevent fluid from escaping from the apparatus. A shunting system permits the type of fluid applied to the substrate to be readily altered. Housing units incorporated in the apparatus are readily secured together with a resilient clamp.