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:
Aug. 31, 2010

Filed:

Jun. 28, 2007
Applicants:

Phan Hoang, Placentia, CA (US);

Chinh Nguyen, Irvine, CA (US);

Anthony Tran, Fountain Valley, CA (US);

Tung Dang, Tustin, CA (US);

Inventors:

Phan Hoang, Placentia, CA (US);

Chinh Nguyen, Irvine, CA (US);

Anthony Tran, Fountain Valley, CA (US);

Tung Dang, Tustin, CA (US);

Assignee:

Virtium Technology, Inc., Rancho Santa Margarita, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An embodiment of the present invention is a technique to stack multiple devices using an interconnecting element. A board has a periphery and top and bottom surfaces. The top surface has top contact pads to attach to a first device. The bottom surface is milled down to form a cavity confined by vertical walls around the periphery. The cavity fits a second device. Bottom contact pads are formed on bottom side of the vertical walls. The bottom contact pads are raised with respect to the bottom side of the vertical walls. Traces internal to the board connect the bottom contact pads to the top contact pads.


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