Title:
SIGNAL TRANSMISSION INSULATIVE DEVICE AND POWER SEMICONDUCTOR MODULE
Document Type and Number:
WIPO Patent Application WO/2016/080034
Kind Code:
A1
Abstract:
A signal transmission insulative device is provided with: a first coil; a second coil facing the first coil and forming a transformer with the first coil; a first insulation film comprising a first dielectric body in the space where the first coil and the second coil face one another; a second insulation film surrounding the first coil and comprising a second dielectric body that has a resistivity lower than the first dielectric body; and a third insulation film surrounding the second coil and comprising a third dielectric body that has a resistivity lower than the first dielectric body. Or, the signal transmission insulative device is provided with: a first coil; a second coil facing the first coil and forming a transformer with the first coil; a first insulation film comprising a first dielectric body in the space where the first coil and the second coil face one another; a second insulation film surrounding the first coil and comprising a second dielectric body that has a dielectric constant higher than the first dielectric body; and a third insulation film surrounding the second coil and comprising a third dielectric body that has a dielectric constant higher than the first dielectric body.
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Inventors:
SUGA KENICHI (JP)
TSURIMOTO TAKAO (JP)
SHIOTA HIROKI (JP)
MOROKUMA KENICHI (JP)
ORITA SHOICHI (JP)
TAMETANI FUMITAKA (JP)
INOUE TAKAHIRO (JP)
UOTA SHIORI (JP)
TSURIMOTO TAKAO (JP)
SHIOTA HIROKI (JP)
MOROKUMA KENICHI (JP)
ORITA SHOICHI (JP)
TAMETANI FUMITAKA (JP)
INOUE TAKAHIRO (JP)
UOTA SHIORI (JP)
Application Number:
PCT/JP2015/073229
Publication Date:
May 26, 2016
Filing Date:
August 19, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01L21/822; H01F17/00; H01F19/00; H01F27/32; H01L27/04
Domestic Patent References:
WO2014112179A1 | 2014-07-24 |
Foreign References:
JP2009253052A | 2009-10-29 | |||
US20080003699A1 | 2008-01-03 |
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
Masuo Oiwa (JP)
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