Title:
POWER ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2022/021379
Kind Code:
A1
Abstract:
A power electronic device and a method for manufacturing the same are provided. The device includes: a casing having an accommodating cavity; a circuit assembly including a circuit board and a heat-generating component, the circuit board being provided within the accommodating cavity, and the heat-generating component being provided on the circuit board; a heat spreader being located within the accommodating cavity of the casing; and an electrically insulating material, the electrically insulating material surrounding the circuit board and the heat-generating component, at least a part of the electrically insulating material being located between the heat spreader and the heat-generating component, at least a part of the heat spreader being in contact with the electrically insulating material, a thermal conductivity of the heat spreader being greater than a thermal conductivity of the electrically insulating material, the thermal conductivity of the electrically insulating material being greater than a thermal conductivity of air.
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Inventors:
LYU XIUXIU (CN)
BARUSCHKA LENNART (DE)
BARUSCHKA LENNART (DE)
Application Number:
PCT/CN2020/106338
Publication Date:
February 03, 2022
Filing Date:
July 31, 2020
Export Citation:
Assignee:
SIEMENS AG (DE)
SIEMENS LTD CHINA (CN)
SIEMENS LTD CHINA (CN)
International Classes:
H05K7/14; H05K7/20
Domestic Patent References:
| WO2013024038A1 | 2013-02-21 |
Foreign References:
| US20030161132A1 | 2003-08-28 | |||
| US20170273218A1 | 2017-09-21 | |||
| CN111050468A | 2020-04-21 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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