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:

Dec. 09, 2014
Applicant:

Multek Technologies Ltd., San Jose, CA (US);

Inventors:

Mark Bergman, Redwood City, CA (US);

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

Assignee:

Multek Technologies, Ltd., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 1/03 (2006.01); H05K 1/14 (2006.01); H05K 3/22 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0393 (2013.01); H05K 1/144 (2013.01); H05K 1/148 (2013.01); H05K 3/22 (2013.01); H05K 1/028 (2013.01); H05K 1/0278 (2013.01); H05K 2201/0137 (2013.01); H05K 2201/058 (2013.01);
Abstract

Mechanical measures strengthen a flexible circuit board or deformable electronic by manipulating the location and/or intensity of the stress concentration or to limit bending, torsion, and stretching. A material layer is patterned onto the flexible circuit board with a specific pattern and place of deposition in order to modify the stress concentration and profile of the circuit board and increase its overall strength. The material layer may be configured to modify the stress concentrations during bending away from the weak points in the assembly or to spread the stress during bending by increasing the radius of the bend curvature and therefore decreasing the chance of mechanical failure.


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