Title:
CIRCUIT BOARD ASSEMBLY AND RADIO UNIT COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2022/217387
Kind Code:
A1
Abstract:
A circuit board assembly (1), comprising a first circuit board (10) and a second circuit board (20) which are electrically connected with each other, and a monolithic substrate (30) configured for supporting a power component and comprising a first contact surface (31) that is fixedly connected to and forms a thermal contact with the second circuit board (20), the circuit board assembly being characterized in that, the substrate (30) further comprises a second contact surface (32) that is fixedly connected to the first circuit board (10) and forms a thermal contact with the first circuit board (10) so that the substrate functions as an extension of the first circuit board to support the second circuit board. A radio unit comprising a circuit board assembly (1) is also disclosed.
Inventors:
YU DONGHAI (CN)
DUAN PINGHUA (CN)
LU QINQIN (CN)
LIU PENG (CN)
MA YUNXUAN (CN)
XU GONGAO (CN)
DUAN PINGHUA (CN)
LU QINQIN (CN)
LIU PENG (CN)
MA YUNXUAN (CN)
XU GONGAO (CN)
Application Number:
PCT/CN2021/086341
Publication Date:
October 20, 2022
Filing Date:
April 11, 2021
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
YU DONGHAI (CN)
YU DONGHAI (CN)
International Classes:
H05K1/14
Foreign References:
| CN105917749A | 2016-08-31 | |||
| CN101052268A | 2007-10-10 | |||
| CN107734858A | 2018-02-23 | |||
| CN110099509A | 2019-08-06 | |||
| CN109075132A | 2018-12-21 | |||
| US5838551A | 1998-11-17 | |||
| US6083022A | 2000-07-04 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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