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.

Date of Patent:
May. 23, 2017

Filed:

Feb. 03, 2015
Applicant:

Marvell World Trade Ltd., St. Michael, BB;

Inventors:

Long-Ching Wang, Cupertino, CA (US);

Albert Wu, Palo Alto, CA (US);

Scott Wu, San Jose, CA (US);

Assignee:

Marvell World Trade Ltd., St. Michael, BB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/13 (2006.01); H01L 23/49 (2006.01); H05K 1/18 (2006.01); H01L 23/498 (2006.01); H01L 21/48 (2006.01); H05K 1/03 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49827 (2013.01); H01L 21/486 (2013.01); H01L 21/4853 (2013.01); H01L 23/13 (2013.01); H01L 23/49811 (2013.01); H01L 23/49866 (2013.01); H05K 1/0306 (2013.01); H05K 1/115 (2013.01); H05K 1/181 (2013.01); H01L 2224/11 (2013.01); H05K 2201/09563 (2013.01); H05K 2201/10242 (2013.01); H05K 2201/10378 (2013.01); Y10T 29/49165 (2015.01);
Abstract

Some of the embodiments of the present disclosure provide a semiconductor package interposer comprising a substrate having a first surface and a second surface, a plurality of vias extending between the first surface and the second surface of the substrate, the plurality of vias electrically connecting electrical connectors or circuitry on the first surface of the substrate to electrical connectors or circuitry on the second surface of the substrate, and metal plugs at least partially filling the plurality of vias. At least one of (i) the first surface or (ii) the second surface of the substrate includes depressions at distal ends of the metal plugs.


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