KR20200081969A - 질화알루미늄 소결용 조성물 및 질화알루미늄 소결체 - Google Patents
질화알루미늄 소결용 조성물 및 질화알루미늄 소결체 Download PDFInfo
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Abstract
Description
도 2a 내지 2d는 첨가제 조건에 따른 소결체의 단면에 대한 주사전자현미경(SEM) 이미지이다.
도 3은 소결체에서 Y2O3 첨가량에 따른 열전도도의 변화를 나타내는 그래프이다.
도 4 은 소결된 질화알루미늄 기판에 대한 X선 회절분석 결과를 보여주는 그래프이다.
| 비표면적(Specific Surface Area) (m2/g) | 2.50~2.68 | |
| 평균 입자 크기(Mean Particle Size) (㎛) | 1.07~1.17 | |
| 불순물 |
O(wt%) | 0.78~0.86 |
| C(ppm) | 130~270 | |
| Ca(ppm) | 200~240 | |
| Si(ppm) | 39~48 | |
| Fe(ppm) | 10~14 | |
| 도포조건 | 댐높이 | 0.30 mm |
| 이송속도 | 2 m/min | |
| 건조 | 70℃ | |
| 적층조건 | 테이블, 헤드 온도 | 50℃ |
| 압력 | 10ton, 10초 | |
| 압착조건 | 온도 | 70℃ |
| 압력 | 200bar, 10분 (등방가압) | |
| 절단조건 | 테이블, 블레이드 온도 | 50℃ |
| 절단 크기 | 3.5㎝ x 3.5㎝ |
| 구분 | 조성(wt%) | 소결밀도 (g/cm3) |
열전도도 (W/mK) |
굽힘강도 (MPa) | ||||
| AlN | MCAS | Y2O3 | 평균값 | 최대값 | ||||
| 실시예1 | 97.0 | 1.0 | 2.0 | 3.27 | 118 | 472 | 485 | |
| 실시예2 | 98.5 | 1.0 | 0.5 | 3.24 | 96 | 482 | 504 | |
| 실시예3 | 98.0 | 1.0 | 1.0 | 3.26 | 106 | 460 | 473 | |
| 실시예4 | 95.0 | 1.0 | 4.0 | 3.26 | 108 | 468 | 477 | |
| 실시예5 | 95.0 | 4.0 | 1.0 | 3.23 | 95 | 450 | 465 | |
| 실시예6 | 97.0 | 2.0 | 1.0 | 3.24 | 105 | 460 | 467 | |
| 실시예7 | 95.0 | 2.0 | 3.0 | 3.19 | 96 | 440 | 456 | |
| 비교예1 | 99.0 | 1.0 | 0.0 | 3.24 | 81 | 416 | 465 | |
| 비교예2 | 95.0 | 5.0 | 0.0 | 3.15 | 68 | 406 | 467 | |
| 비교예3 | 98.0 | 0.0 | 2.0 | 3.17 | 150 | 350 | 370 | |
Claims (11)
- 비정질 세라믹 첨가제, 결정질 세라믹 첨가제 및 질화알루미늄 분말을 포함하는 질화알루미늄 소결용 조성물.
- 제 1 항에 있어서,
상기 비정질 세라믹 첨가제는 비정질 코디어라이트(cordierite) 글래스, 비정질 붕규산 유리, 비정질 MgO-CaO-Al2O3-SiO2계 글래스 및 비정질 CaO-Al2O3-SiO2계 글래스로 이루어지는 군에서 선택되는 1종 이상을 포함하는, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 비정질 세라믹 첨가제는 착체 중합법으로 만들어지는, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 결정질 세라믹 첨가제는 Y2O3, CaCO3, MgO 및 Al2O3 로 이루어지는 군에서 선택되는 1종 이상을 포함하는, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 비정질 세라믹 첨가제는 상기 질화알루미늄 소결용 조성물 전체 중량의 0.5~5%인, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 비정질 세라믹 첨가제는 평균 입자 크기가 1.0㎛ 이하인, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 결정질 세라믹 첨가제는 상기 질화알루미늄 소결용 조성물 전체 중량의 0.5~5%인, 질화알루미늄 소결용 조성물. - 제 1 항에 있어서,
상기 비정질 세라믹 첨가제의 중량과 상기 결정질의 세라믹 첨가제의 중량의 합은 상기 질화알루미늄 소결용 조성물 전체 중량의 1~6%인, 질화알루미늄 소결용 조성물. - 제 2 항에 있어서,
상기 비정질 MgO-CaO-Al2O3-SiO2계 글래스는 MgO:CaO:Al2O3:SiO2의 몰비가 1:1~5:1~3:5~11인, 질화알루미늄 소결용 조성물. - 제 1 항 내지 제 9 항 중 어느 한 항에 기재된 질화알루미늄 소결용 조성물을 소성하여 만들어지는, 질화알루미늄 소결체.
- 제 10 항에 있어서, 상기 소성은 1400~1700℃에서 이루어지는, 질화알루미늄 소결체.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220088972A (ko) * | 2020-12-21 | 2022-06-28 | 한국세라믹기술원 | 질화 알루미늄 세라믹스 조성물 및 그의 제조방법 |
| CN116768633A (zh) * | 2023-06-20 | 2023-09-19 | 苏州艾成科技技术有限公司 | 一种半导体用AlN组成成分及其制造方法 |
| CN117362046A (zh) * | 2023-09-12 | 2024-01-09 | 扬州中天利新材料股份有限公司 | 一种氮化铝基复合陶瓷基板及其制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147029B1 (ko) | 2007-02-02 | 2012-05-17 | 가부시끼가이샤 도꾸야마 | 질화알루미늄 소결체 및 그 제조 방법 |
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- 2018-12-28 KR KR1020180172038A patent/KR20200081969A/ko not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147029B1 (ko) | 2007-02-02 | 2012-05-17 | 가부시끼가이샤 도꾸야마 | 질화알루미늄 소결체 및 그 제조 방법 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220088972A (ko) * | 2020-12-21 | 2022-06-28 | 한국세라믹기술원 | 질화 알루미늄 세라믹스 조성물 및 그의 제조방법 |
| CN116768633A (zh) * | 2023-06-20 | 2023-09-19 | 苏州艾成科技技术有限公司 | 一种半导体用AlN组成成分及其制造方法 |
| CN117362046A (zh) * | 2023-09-12 | 2024-01-09 | 扬州中天利新材料股份有限公司 | 一种氮化铝基复合陶瓷基板及其制备方法 |
| CN117362046B (zh) * | 2023-09-12 | 2025-10-03 | 扬州中天利新材料股份有限公司 | 一种氮化铝基复合陶瓷基板及其制备方法 |
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