JPWO2019189377A1 - 窒化アルミニウム板 - Google Patents
窒化アルミニウム板 Download PDFInfo
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- JPWO2019189377A1 JPWO2019189377A1 JP2020509200A JP2020509200A JPWO2019189377A1 JP WO2019189377 A1 JPWO2019189377 A1 JP WO2019189377A1 JP 2020509200 A JP2020509200 A JP 2020509200A JP 2020509200 A JP2020509200 A JP 2020509200A JP WO2019189377 A1 JPWO2019189377 A1 JP WO2019189377A1
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Abstract
Description
c1>97.5%・・・・・・(1)
c2/c1<0.995・・・(2)
c1>97.5%・・・・・・(1)
c2/c1<0.995・・・(2)
f={(P−P0)/(1−P0)}×100・・・(2)
P0=ΣI0(002)/ΣI0(hkl)・・・(3)
P=ΣI(002)/ΣI(hkl)・・・(4)
Claims (3)
- 窒化アルミニウム板であり、
表層を厚み方向からX線回折測定したときの(002)面の回折強度と(100)面の回折強度の合計に対する(002)面の回折強度の割合をc面配向度c1とし、
表層以外の部位を厚み方向からX線回折測定したときの(002)面の回折強度と(100)面の回折強度の合計に対する(002)面の回折強度の割合をc面配向度c2としたときに、以下の関係式(1)及び(2)の双方を満足しており、
表層の窒素含有量と表層以外の部位の窒素含有率の差が、重量比で、0.15%未満である窒化アルミニウム板。
c1>97.5%・・・・・・(1)
c2/c1<0.995・・・(2) - 表層の窒化アルミニウム結晶の(102)面のX線ロッキングカーブプロファイルにおける半値幅が2.5°以下である、請求項1に記載の窒化アルミニウム板。
- 表層以外の部位のc面配向度c2が97%以上である、請求項1又は2に記載の窒化アルミニウム板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPPCT/JP2018/012542 | 2018-03-27 | ||
JP2018012542 | 2018-03-27 | ||
PCT/JP2019/013226 WO2019189377A1 (ja) | 2018-03-27 | 2019-03-27 | 窒化アルミニウム板 |
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JPWO2019189377A1 true JPWO2019189377A1 (ja) | 2020-10-22 |
JP6872074B2 JP6872074B2 (ja) | 2021-05-19 |
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JP2020509200A Active JP6872074B2 (ja) | 2018-03-27 | 2019-03-27 | 窒化アルミニウム板 |
JP2020509201A Active JP6872075B2 (ja) | 2018-03-27 | 2019-03-27 | 窒化アルミニウム板 |
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US (2) | US11383981B2 (ja) |
EP (1) | EP3778533A4 (ja) |
JP (2) | JP6872074B2 (ja) |
KR (1) | KR102519299B1 (ja) |
CN (2) | CN111868011B (ja) |
WO (2) | WO2019189378A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP3604214B1 (en) * | 2017-03-22 | 2022-11-16 | NGK Insulators, Ltd. | Aluminum nitride particles |
US11318553B2 (en) * | 2019-01-04 | 2022-05-03 | Raytheon Technologies Corporation | Additive manufacturing of laminated superalloys |
TW202134490A (zh) | 2020-03-13 | 2021-09-16 | 鴻創應用科技有限公司 | 氮化鋁晶圓片之製造方法及其氮化鋁晶圓片 |
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US20210009418A1 (en) | 2021-01-14 |
CN111868010B (zh) | 2023-04-28 |
EP3778533A1 (en) | 2021-02-17 |
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JP6872074B2 (ja) | 2021-05-19 |
US20210002138A1 (en) | 2021-01-07 |
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