US 12,082,352 B2
Flexible circuit board
Yao-Cai Li, Shenzhen (CN); Biao Li, Shenzhen (CN); and Hao-Wen Zhong, Shenzhen (CN)
Assigned to Avary Holding (Shenzhen) Co., Limited., Shenzhen (CN); QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD, Huai an (CN); and GARUDA TECHNOLOGY CO., LTD., New Taipei (TW)
Filed by Avary Holding (Shenzhen) Co., Limited., Shenzhen (CN); QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD, Huai an (CN); and GARUDA TECHNOLOGY CO., LTD., New Taipei (TW)
Filed on Jul. 21, 2022, as Appl. No. 17/869,934.
Application 17/869,934 is a division of application No. 17/114,981, filed on Dec. 8, 2020, granted, now 11,445,618.
Claims priority of application No. 202011346515.9 (CN), filed on Nov. 25, 2020.
Prior Publication US 2022/0361343 A1, Nov. 10, 2022
Int. Cl. H05K 1/02 (2006.01); H05K 1/11 (2006.01); H05K 3/02 (2006.01); H05K 3/06 (2006.01); H05K 3/22 (2006.01); H05K 3/28 (2006.01); H05K 3/32 (2006.01); H05K 3/46 (2006.01)
CPC H05K 3/4635 (2013.01) [H05K 1/118 (2013.01); H05K 3/28 (2013.01); H05K 3/462 (2013.01); H05K 2201/0338 (2013.01); H05K 2203/1377 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A flexible circuit board comprising:
two first wiring boards, each of the two first wiring boards comprising a first bent portion, the first bent portions of the two wiring boards being connected to each other;
a first adhesive layer sandwiched between the first bent portions;
a first conductive structure penetrating each of the first bent portions and the first adhesive layer, the first conductive structure electrically connecting the first bent portions;
two second wiring boards, each of the two second wiring boards comprising a third bent portion;
two second adhesive layers; and
two second conductive structure, wherein each of the two first wiring boards further comprises a second bent portion, each of the two second adhesive layers is sandwiched between the second bent portion of one first wiring board and the third bent portion of one second wiring board, and each of the two second conductive structures penetrates the second bent portion, the third bent portion, and one second adhesive layer.