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:
Dec. 13, 2016

Filed:

Aug. 19, 2014
Applicant:

Flextronics Ap, Llc, Broomfield, CO (US);

Inventors:

Mark Bergman, Redwood City, CA (US);

Shurui Shang, San Jose, CA (US);

Joan K. Vrtis, Mesa, AZ (US);

Assignee:

Multek Technologies Limited, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01); H05K 3/10 (2006.01); H05K 3/30 (2006.01); H05K 1/09 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H05K 1/185 (2013.01); H05K 1/0271 (2013.01); H05K 1/09 (2013.01); H05K 1/183 (2013.01); H05K 3/103 (2013.01); H05K 3/30 (2013.01); H05K 1/18 (2013.01);
Abstract

An embedded component is formed in a PCB stack by applying an adhesive layer across an entire surface of a copper layer and selectively positioning the component on a portion of the adhesive layer. A B stage pre-preg layer having a component cut-out is added onto the adhesive layer such that the component adhered to the adhesive layer fits within the component cut-out of the B stage pre-preg layer. Another copper layer is added onto the B stage pre-preg layer and the PCB stack is laminated. Since B stage pre-preg is not fully cured, a gap between the component and a side wall of the component cut-out is filled by flow of the surrounding B stage pre-preg during the lamination step. One or more additional pre-preg and copper layers are added to the PCB stack with corresponding interconnects formed and coupled to the contact pads on the component.


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