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:
Apr. 08, 2003
Filed:
Jul. 11, 2000
Applicant:
Inventors:
Antonio B. Dimaano, Jr., Singapore, SG;
Weddie Pacio Aquien, Singapore, SG;
John Briar, Singapore, SG;
Assignee:
St Assembly Test Service Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 3/30 ;
U.S. Cl.
CPC ...
H05K 3/30 ;
Abstract
In accordance with the objectives of the invention a new method and apparatus is provide for assuring contact balls coplanarity. The process and apparatus for coplanarity inspection is integrated with the current processing step of BGA device singulation and pick-and-place, thereby eliminating the need for a separate processing step that is typically required for the coplanarity inspection.