Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/202248
Kind Code:
A1
Abstract:
This power conversion device comprises a semiconductor element, and a first substrate and a second substrate that are arranged facing each other. The first substrate has a first main surface facing the second substrate, and a first auxiliary surface on the reverse side of the first main surface. The second substrate has a second main surface facing the first substrate, and a second auxiliary surface on the reverse side of the second main surface. A first conductor exposed at the first auxiliary surface is embedded in the first substrate, and a second conductor exposed at the second auxiliary surface is embedded in the second substrate. The semiconductor element is arranged between the first and second conductors. The semiconductor element is electrically connected to the first and second conductors.

Inventors:
ASAI KYOTA (JP)
TOKUYAMA TAKESHI (JP)
NAMBA AKIHIRO (JP)
Application Number:
PCT/JP2022/009687
Publication Date:
September 29, 2022
Filing Date:
March 07, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI LTD (JP)
International Classes:
H02M7/48; H01L23/12; H01L23/36; H01L25/07; H01L25/18
Foreign References:
JP2019096771A2019-06-20
JP2017069253A2017-04-06
JP2002246515A2002-08-30
JP2006229180A2006-08-31
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
Download PDF:



 
Previous Patent: THERMAL CONDUCTOR

Next Patent: CONNECTOR