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. 12, 2020

Filed:

Sep. 09, 2019
Applicant:

Flex Ltd., Singapore, SG;

Inventors:

Weifeng Liu, Dublin, CA (US);

William L. Uy, San Jose, CA (US);

Alex Chan, San Jose, CA (US);

Dongkai Shangguan, San Jose, CA (US);

Assignee:

Flex Ltd., Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/09 (2006.01); H05K 1/18 (2006.01); C09D 11/52 (2014.01); H05K 1/11 (2006.01); H05K 1/16 (2006.01);
U.S. Cl.
CPC ...
H05K 1/092 (2013.01); C09D 11/52 (2013.01); H05K 1/113 (2013.01); H05K 1/181 (2013.01); H05K 1/16 (2013.01); H05K 2201/0305 (2013.01);
Abstract

Attaching electronic components to a substrate can be challenging in certain applications. By utilizing printed conductive ink to fill vias, one or more conductive layers may be provided, which allow for fine pin pitches or other crowded substrates to utilize multiple layers for traces connecting the contact pad to the pins of an electronic component. By applying a substrate with conductive ink and then selectively applying a solderable ink on the conductive ink, and with conductive ink filling the vias, electronic components may be attached to a substrate that provides mechanical attachment and electrical connectivity which may also be formable or flexible.


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