Title:
TEMPLATE, NITRIDE SEMICONDUCTOR ULTRA-VIOLET LIGHT-EMITTING ELEMENT AND TEMPLATE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/216240
Kind Code:
A1
Abstract:
This template comprises a sapphire substrate having as the main surface a (0001) plane or a plane that is slanted by only a predetermined angle with respect to the (0001) plane; and an AlN layer constituted from an AlN crystal formed directly on the main surface of the sapphire substrate with the orientation of the crystal having an epitaxial relationship with respect to the main surface. In this template, in a thickness of 20 nm from the main surface of the AlN layer, the AlN crystal mean particle size is 100 nm or less.
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Inventors:
HIRANO AKIRA (JP)
NAGASAWA YOSUKE (JP)
NAGASAWA YOSUKE (JP)
Application Number:
PCT/JP2017/035559
Publication Date:
November 29, 2018
Filing Date:
September 29, 2017
Export Citation:
Assignee:
SOKO KAGAKU CO LTD (JP)
International Classes:
C30B29/38; H01L33/32; H01L21/20
Domestic Patent References:
WO2013005789A1 | 2013-01-10 | |||
WO2013021464A1 | 2013-02-14 | |||
WO2011077541A1 | 2011-06-30 | |||
WO2013005789A1 | 2013-01-10 |
Foreign References:
JP2016064928A | 2016-04-28 | |||
US20120291698A1 | 2012-11-22 | |||
JP2010064911A | 2010-03-25 | |||
JP2006287120A | 2006-10-19 | |||
JP2013211442A | 2013-10-10 | |||
JP2017154964A | 2017-09-07 | |||
JP2009054780A | 2009-03-12 |
Other References:
PHYSICA STATUS SOLIDI, vol. A206, no. 6, 2009, pages 1176 - 1182
See also references of EP 3432369A4
See also references of EP 3432369A4
Attorney, Agent or Firm:
MASAKI, Yoshifumi (JP)
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