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. 04, 1998
Filed:
Sep. 12, 1996
Applicant:
Inventors:
Chris M Schreiber, Lake Elsinore, CA (US);
Bao Le, Santa Ana, CA (US);
Assignee:
Packard Hughes Interconnect Company, Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361704 ; 361760 ; 361749 ; 361767 ; 361774 ; 257737 ; 257738 ; 257747 ; 257778 ;
Abstract
The present invention includes an integral copper column with a solder bump flip chip. An integrated circuit chip is provided having an electrical circuit and including at least two contact pads. A thin layer of barrier metallization is provided over the contact pads. A support substrate is provided having a circuit layer with raised features that include copper traces. A solder bump connects the contact pad on the integrated circuit chip and the raised features of the flex circuit to provide an integral copper column with a solder bump flip chip.