KR20170028962A - 알루미나 기판 - Google Patents
알루미나 기판 Download PDFInfo
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- KR20170028962A KR20170028962A KR1020177002999A KR20177002999A KR20170028962A KR 20170028962 A KR20170028962 A KR 20170028962A KR 1020177002999 A KR1020177002999 A KR 1020177002999A KR 20177002999 A KR20177002999 A KR 20177002999A KR 20170028962 A KR20170028962 A KR 20170028962A
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Abstract
Description
도 2는 본 실시형태의 알루미나 기판의 단면을 모식적으로 나타낸 것으로, 희토류 함유 영역이 형성되어 있는 경우의 예를 나타내는 (a)는 알루미나 기판과의 계면에 점재하고 있는 경우, (b)는 AlN층 내부에 점재하고 있는 경우, (c)는 기판 표면에 대하여 평행한 방향으로부터 경사진 상태로 점재하는 경우의 예를 나타낸다.
도 3은 본 실시형태의 알루미나 기판의 작성 플로우예를 나타낸 것이다.
도 4는 질화 처리시의 가열부를 모식적으로 나타낸 것이다.
도 5는 실시예 1에서의 질화 처리 기판과 분말상 카본의 관계를 나타낸 평면도이다.
도 6은 본 실시형태에서의 알루미나 기판의 곡률 반경의 측정법을 모식적으로 나타낸 도면이며, (a)는 기준이 되는 1회째의 측정계를, (b)는 조사 위치를 이동한 후의 광학 측정계를 나타낸다.
도 7은 실시예 1 및 실시예 2에서의 FIB 가공 단면을 반사 전자상 SEM 관찰한 모습을 모식적으로 나타낸 도면이고, (a)는 실시예 1의 단면을, (b)는 실시예 2의 단면을 각각 나타낸다.
11: 카본
12: 알루미나 내화갑
13: 알루미나판
20: 시료 설치대
22: 카본 히터
23; 챔버
24: 가스 배기구
25: 가스 도입구
30: AlN층
31: 희토류 함유층
32: 희토류 함유 영역
33: 알루미나 기판
41: 가시의 LD, 또는 LED 광원
42: 스크린
431: 본 실시형태의 알루미나 기판(10)의 AlN층이 형성되어 있는 측의 임의의 일점에서의 광의 조사 위치
432: 본 실시형태의 알루미나 기판(10)을 스크린(42)과 평행하게 이동한 후의 광의 조사 위치
441: 광의 조사 위치(431)에 대응하여 스크린 위에 결상한 반사광의 결상 위치
442: 광의 조사 위치(432)에 대응하여 스크린 위에 결상한 반사광의 결상 위치
50: 제1 결정
51: 하얗게 빛나는 층
52: 하얗게 빛나는 영역
53: 제2 결정
Claims (5)
- 알루미나 기판으로서, 상기 알루미나 기판 표면에는 AlN층이 형성되어 있고, 또한 상기 AlN층의 내부 또는 상기 AlN층과 상기 알루미나 기판 계면에 희토류 함유층 및/또는 영역이 형성되어 있는 것을 특징으로 하는 알루미나 기판.
- 제1항에 있어서, 희토류 원소의 함유량이 Al 원소비로 1 내지 10000ppm인 것을 특징으로 하는, 알루미나 기판.
- 제1항 또는 제2항에 있어서, AlN층의 두께가 0.02㎛ 내지 100㎛인 것을 특징으로 하는, 알루미나 기판.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 알루미나 기판은 사파이어인 것을 특징으로 하는, 알루미나 기판.
- 제4항에 있어서, AlN층은 주로 단결정인 것을 특징으로 하는, 알루미나 기판.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014164067 | 2014-08-12 | ||
| JPJP-P-2014-164067 | 2014-08-12 | ||
| PCT/JP2015/072315 WO2016024514A1 (ja) | 2014-08-12 | 2015-08-06 | アルミナ基板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170028962A true KR20170028962A (ko) | 2017-03-14 |
| KR101983540B1 KR101983540B1 (ko) | 2019-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177002999A Expired - Fee Related KR101983540B1 (ko) | 2014-08-12 | 2015-08-06 | 알루미나 기판 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10294585B2 (ko) |
| EP (1) | EP3181737A4 (ko) |
| JP (2) | JP6465114B2 (ko) |
| KR (1) | KR101983540B1 (ko) |
| CN (1) | CN106661761B (ko) |
| WO (1) | WO2016024514A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6503819B2 (ja) * | 2015-03-23 | 2019-04-24 | Tdk株式会社 | アルミナ基板 |
| US11773508B2 (en) * | 2017-09-11 | 2023-10-03 | Tdk Corporation | Substrate and light-emitting element |
| US11133389B2 (en) * | 2019-02-15 | 2021-09-28 | Iqe Plc | Pnictide nanocomposite structure for lattice stabilization |
| US20220158029A1 (en) * | 2019-03-06 | 2022-05-19 | Tdk Corporation | Substrate and light emitting element |
| JP7298196B2 (ja) * | 2019-03-06 | 2023-06-27 | Tdk株式会社 | 基板及び発光素子 |
| JP7298197B2 (ja) * | 2019-03-06 | 2023-06-27 | Tdk株式会社 | 基板及び発光素子 |
| CN114761630B (zh) * | 2019-12-23 | 2024-07-19 | 日本碍子株式会社 | AlN单晶板 |
| CN112002773B (zh) * | 2020-08-26 | 2022-03-11 | 中国电子科技集团公司第十一研究所 | 大面阵红外探测器及其芯片低应力冷头结构 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS497127A (ko) | 1972-05-12 | 1974-01-22 | ||
| JP3507887B2 (ja) * | 2000-09-01 | 2004-03-15 | 独立行政法人産業技術総合研究所 | 単結晶基板の表面にエピタキシャル薄膜を形成する方法 |
| JP3612556B2 (ja) * | 2000-09-01 | 2005-01-19 | 独立行政法人産業技術総合研究所 | アルミナ単結晶基板の表面に形成された超伝導薄膜からなる超伝導体、及びアルミナ単結晶基板の表面に超伝導薄膜を形成する方法 |
| WO2009066663A1 (ja) * | 2007-11-22 | 2009-05-28 | Meijo University | 窒化アルミニウム単結晶多角柱状体及びそれを使用した板状の窒化アルミニウム単結晶の製造方法 |
| JP4457576B2 (ja) | 2003-05-08 | 2010-04-28 | 住友電気工業株式会社 | Iii−v族化合物結晶およびその製造方法 |
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| JP4183787B2 (ja) * | 1997-11-28 | 2008-11-19 | Tdk株式会社 | 電子デバイス用基板の製造方法 |
| US7501023B2 (en) * | 2001-07-06 | 2009-03-10 | Technologies And Devices, International, Inc. | Method and apparatus for fabricating crack-free Group III nitride semiconductor materials |
| JP4154475B2 (ja) * | 2001-09-12 | 2008-09-24 | 独立行政法人産業技術総合研究所 | 基板の表面に形成されたエピタキシャル薄膜及びその製造方法 |
| JP4117402B2 (ja) * | 2002-03-14 | 2008-07-16 | 国立大学法人東京工業大学 | 単結晶窒化アルミニウム膜およびその形成方法、iii族窒化物膜用下地基板、発光素子、並びに表面弾性波デバイス |
| JP4350484B2 (ja) * | 2003-10-31 | 2009-10-21 | 日本碍子株式会社 | 窒化アルミニウム単結晶の製造方法 |
| JP4441415B2 (ja) | 2005-02-07 | 2010-03-31 | 国立大学法人東京工業大学 | 窒化アルミニウム単結晶積層基板 |
| JP4907127B2 (ja) | 2005-08-26 | 2012-03-28 | 国立大学法人三重大学 | Iii族窒化物の自立単結晶作製方法およびiii族窒化物単結晶層を含む積層体 |
| JP5327772B2 (ja) * | 2006-11-29 | 2013-10-30 | 独立行政法人産業技術総合研究所 | サファイア基板上超電導酸化物多層薄膜及びその作製方法 |
| KR100921789B1 (ko) * | 2007-10-24 | 2009-10-15 | 주식회사 실트론 | 화합물 반도체 기판 제조 방법 |
| WO2011004601A1 (ja) * | 2009-07-07 | 2011-01-13 | 株式会社ユメックス | 蛍光体結晶薄膜とその作製方法 |
| JP5618734B2 (ja) * | 2010-09-28 | 2014-11-05 | 株式会社トクヤマ | 球状窒化アルミニウム粉末 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6418343B2 (ja) | 2018-11-07 |
| JPWO2016024514A1 (ja) | 2017-04-27 |
| KR101983540B1 (ko) | 2019-05-29 |
| US20170211204A1 (en) | 2017-07-27 |
| EP3181737A4 (en) | 2018-04-11 |
| JP2018111644A (ja) | 2018-07-19 |
| JP6465114B2 (ja) | 2019-02-06 |
| CN106661761B (zh) | 2019-10-11 |
| EP3181737A1 (en) | 2017-06-21 |
| US10294585B2 (en) | 2019-05-21 |
| WO2016024514A1 (ja) | 2016-02-18 |
| CN106661761A (zh) | 2017-05-10 |
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