Invention Grant
- Patent Title: Power module and inverter equipment
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Application No.: US16390945Application Date: 2019-04-22
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Publication No.: US10748826B2Publication Date: 2020-08-18
- Inventor: Seita Iwahashi
- Applicant: ROHM CO., LTD.
- Applicant Address: JP Kyoto
- Assignee: ROHM CO., LTD.
- Current Assignee: ROHM CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5cb64c44
- Main IPC: H01L21/00
- IPC: H01L21/00 ; H01L23/31 ; H01L23/12 ; H01L23/29 ; H01L23/36 ; H01L25/07 ; H01L25/18 ; H01L23/18 ; H01L23/367 ; H01L23/498 ; H02M7/00 ; H02M7/537 ; H02P27/06

Abstract:
The power module includes: a first metallic pattern; a plurality of power devices bonded on the first metallic pattern, each of the plurality of the power devices has a thickness thinner than a thickness of the metallic pattern; a frame member disposed so as to collectively enclose a predetermined number of the power devices on the first metallic pattern; a second metallic pattern disposed outside the frame member; and a resin layer configured to seal the plurality of the power devices and the first and second metallic patterns so as to include the frame member, wherein the frame member suppresses a stress according to a difference between a coefficient of thermal expansion of the metallic pattern and a coefficient of thermal expansion of the power devices. There is provided the power module easy to be fabricated, capable of suppressing the degradation of the bonded portion and improving reliability.
Public/Granted literature
- US20190252279A1 POWER MODULE AND INVERTER EQUIPMENT Public/Granted day:2019-08-15
Information query
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