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:
Oct. 31, 2000
Filed:
Dec. 11, 1998
Applicant:
Inventors:
Christopher P Esposito, Plymouth, MA (US);
Takahiro Kobayashi, Sasakomi-mura, JP;
Masaki Kondoh, Toyosaka, JP;
Martin W Bayes, Hopkinton, MA (US);
Assignee:
Shipley Company, L.L.C., Marlborough, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05R / ;
U.S. Cl.
CPC ...
216 39 ; 216 17 ; 216 18 ;
Abstract
The present invention relates to new methods for manufacturing electronic packaging devices, particularly printed circuit boards. Methods of the invention include use of reduced pH sweller and etch treatments that can produce printed circuit boards and other devices that are substantially more robust and reliable than produced by prior methods.