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:
Jun. 16, 1998
Filed:
May. 15, 1996
Applicant:
Inventors:
Stanley Bryan Smith, Boalsburg, PA (US);
G Allen Blakeslee, Bellefonte, PA (US);
Assignee:
Atotech USA, Inc., State College, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B05D / ;
U.S. Cl.
CPC ...
427307 ; 427 96 ; 198780 ; 198791 ; 1988601 ; 118500 ; 1566391 ; 134 / ; 1341 / ; 134902 ;
Abstract
A method and apparatus for transporting thin materials, such as printed circuit boards, through an apparatus for treatment of said boards with an etchant, rinse or other chemical process step, including a transport conveyor having a plurality of rotation members with a specially configured rim for contacting the thin materials and moving them through the apparatus with a longer contact path in each rotation of a rotation member than the circumference of the rotation member.