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.:

US 6812485 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2004

Filed:

Dec. 28, 2001
Applicant:
Inventors:

Sharad M. Shah, San Jose, CA (US);

David R. Bach, Shrewsbury, MA (US);

Angelo Villani, Shrewsbury, MA (US);

Nicholas Palmer, Rutland, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/350 ;
U.S. Cl.
CPC ...
H01L 2/350 ;
Abstract

A method and apparatus that allows additional contact pads to be added to a package to support debug and test operations is disclosed. In a preferred embodiment, a circuit board apparatus includes a semiconductor package and an interposer for receiving the semiconductor package. The semiconductor package preferably includes a substrate having a matrix of conductive contact pads on both the top and bottom surfaces of the substrate. The interposer preferably includes a body having a matrix of interposer contact bumps on both the inner and outer surfaces of the body. Each interposer contact bump preferably includes a metal coating and is shaped to abut a contact pad of the semiconductor package.


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