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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.

Patent No.:

US 10932374 B1

PDFFull Text
Date of Patent:
Feb. 23, 2021

Filed:

Feb. 15, 2020

3-d flex circuit forming

Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Arthur Higby, Cottekill, NY (US);

James Busby, New Paltz, NY (US);

David C. Long, Wappingers Falls, NY (US);

Robert Weiss, Lagrangeville, NY (US);

Michael Fisher, Poughkeepsie, NY (US);

Tristen Gaudette, Troy, NY (US);

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);

Attorney:

Law Offices of Ira D. Blecker, P.C.

Primary Examiner:

Xiaoliang Chen

Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 3/32 (2006.01); H05K 3/36 (2006.01); H01L 21/56 (2006.01); H01L 23/13 (2006.01); H01L 23/34 (2006.01); H01L 23/36 (2006.01); B29C 33/00 (2006.01); B29C 33/12 (2006.01); B29C 44/02 (2006.01); B29C 44/08 (2006.01); B29C 44/12 (2006.01); B29C 70/00 (2006.01); B29C 70/02 (2006.01); B29C 70/84 (2006.01); H05K 3/46 (2006.01); G06F 21/87 (2013.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H05K 3/4691 (2013.01); G06F 21/87 (2013.01); H01L 23/315 (2013.01); H05K 1/0275 (2013.01);
Abstract

A process for deforming a flex circuit using a fixture assembly including a base plate having a recess, a wrinkle reducer plate, a stiffening block and a punch. The process including heating the fixture assembly; applying a force to the punch deforming the flex circuit into the recess in the base plate; holding the punch in contact with the flex circuit while heating the fixture assembly; cooling the fixture assembly with the punch in contact with the flex circuit; subsequent to cooling the fixture assembly, removing the force of the punch; and removing the flex circuit from the fixture assembly. The flex circuit having a recessed portion resulting from deforming the flex circuit into the recess in the base plate and a flat portion surrounding the recessed portion.

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