Title:
FLEXIBLE CIRCUIT BOARD AND SOUND PRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/114308
Kind Code:
A1
Abstract:
The present utility model provides a flexible circuit board, comprising a flexible circuit board main layer and a reinforcement layer attached on the flexible circuit board main layer. The flexible circuit board main layer comprises a first surface and a second surface disposed opposite to each other. The reinforcement layer is attached to the first surface and/or the second surface, and is provided with a fracture dividing the reinforcement layer into at least two reinforcement sub-segments spaced apart from each other. When compared with the related art, the flexible circuit board and the sound producing device of the present utility model avoids the undesirable occurrence of warpage of flexible circuit boards.
Inventors:
CHEN GUOHUI (CN)
YANG GUIXIA (CN)
YANG GUIXIA (CN)
Application Number:
PCT/CN2019/125420
Publication Date:
June 17, 2021
Filing Date:
December 14, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H05K1/02; H04R7/02
Foreign References:
| CN107666769A | 2018-02-06 | |||
| CN207219151U | 2018-04-10 | |||
| CN205545913U | 2016-08-31 | |||
| CN203984616U | 2014-12-03 | |||
| CN107666769A | 2018-02-06 | |||
| CN207219151U | 2018-04-10 | |||
| CN101986772A | 2011-03-16 | |||
| JP2010212320A | 2010-09-24 |
Attorney, Agent or Firm:
GUANGDONG GUANGHE LAW FIRM (CN)
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