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Patent Searching and Data


Title:
TRENCH MOS SCHOTTKY DIODE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/167873
Kind Code:
A1
Abstract:
Provided is a trench MOS Schottky diode 1 which is provided with: a first semiconductor layer 10 that is formed from a Ga2O3 single crystal; a second semiconductor layer 11 that is formed from a Ga2O3 single crystal and has a trench 12; an anode electrode 13; a cathode electrode 14; an insulating film 15; and a trench electrode 16. This trench MOS Schottky diode 1 is configured such that the second semiconductor layer 11 has an insulating dry etching damaged layer 11a, which has a thickness of 0.8 μm or less, in a region that includes the inner surface of the trench 12.

Inventors:
SASAKI KOHEI (JP)
FUJITA MINORU (JP)
HIRABAYASHI JUN (JP)
ARIMA JUN (JP)
Application Number:
PCT/JP2019/007029
Publication Date:
September 06, 2019
Filing Date:
February 25, 2019
Export Citation:
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Assignee:
TAMURA SEISAKUSHO KK (JP)
NOVEL CRYSTAL TECH INC (JP)
TDK CORP (JP)
International Classes:
H01L29/872; C30B29/16; C30B33/08; H01L21/329; H01L29/41; H01L29/47; H01L29/861; H01L29/868; H01L29/94
Domestic Patent References:
WO2017188105A12017-11-02
WO2017188105A12017-11-02
Foreign References:
JP2016039194A2016-03-22
JP2016025256A2016-02-08
JP2010192555A2010-09-02
Other References:
See also references of EP 3761374A4
Attorney, Agent or Firm:
HIRATA & PARTNERS (JP)
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