KR20170022744A - 금속관의 내벽 코팅 장치 및 방법 - Google Patents
금속관의 내벽 코팅 장치 및 방법 Download PDFInfo
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Abstract
Description
도 2 는 본 발명의 다른 실시예에 따른 금속관의 내벽 코팅 장치를 설명하기 위한 부분도로서
도 3 은 본 발명의 일 실시예에 따른 금속관의 내벽 코팅 장치에 의한 코팅 방법을 설명하기 위한 순서도이다.
도 4는 본 발명에 따른 금속관 내벽 코팅 방법의 펄스 전자석 및 스퍼터링 타겟 금속관에 인가하는 펄스 전압의 인가 시간에 대한 개념도이다.
도 5 는 본 발명의 실시예 1에서 금속관의 내벽 코팅 실험시의 펄스 전압 및 전류를 측정한 오실로스코프 펄스 파형도이다.
도 6 은 본 발명의 실시예 2의, 타겟 구리 금속관에 인가하는 고전압 펄스의 자기장 펄스에 대한 지연 시간 효과를 측정하는 실험 결과를 나타난 도면이다.
도 7 은 본 발명의 실시예 3의, 금속 냉각관 내부에 영구자석 어레이를 이용할 경우와 없는 경우, 펄스 전자석에 인가하는 전압을 변화시켜 가며, 스퍼터링 펄스 전원 장치의 평균 전류를 측정하여 나타낸 도면이다.
도 8a 및 도 8b 는 본 발명의 실시예 4와 관련하여, 길이 1 m의 시료 금속관 내벽 코팅 실험 1 시간 수행 후, 금속관 내부에 코팅된 구리 박막의 증착 속도를 측정한 실험 결과(도 8a), 증착된 구리 박막의 깊이 방향 조성 분포를 측정한 Auger 분석 결과(도 8b)를 나타낸 도면이다.
도 9 는 본 발명의 실시예 5의, 길이 1 m의 시료 금속관 내벽 코팅 실험 1 시간 수행 후, 시료 금속관을 길이 방향으로 절개한 사진이다.
3. 금속 냉각관 4. 펄스 전자석
5. 펄스 자기장 6. 펄스 플라즈마
7. 진공 커넥터 8. 진공 절연 커넥터
11. 진공 펌프 12. 진공 게이지
13. 가스인입장치 14. 사용가스
15. 전자석 펄스 전원장치 16. 스퍼터링 펄스 전원장치
17. 펄스 지연신호 발생장치 18. 전자석 이송장치
19. 금속관 접지 20. 장착대
30: 영구자석 에셈블리 32: 영구자석
34: 스페이서
Claims (16)
- 금속관 시료의 양쪽 개구부가 장착되고, 금속관 시료 내부의 진공 배기 및 사용 가스 인입에 의한 압력 조절이 가능하도록 금속관 시료 내부를 외기로부터 차단할 수 있는 장착대;
금속관 시료 내부에 금속관 시료와 동축으로 설치되는 스퍼터링 타겟용 금속관;
금속관 시료의 외경부에 금속관 시료와 동축으로 설치되어 금속관 시료의 축 방향으로 펄스 자기장이 인가되도록 하는 펄스 전자석;
상기 펄스 전자석에 펄스 전원을 인가하는 전자석 펄스 전원 장치;
상기 스퍼터링 타겟용 금속관에 음(-)의 고전압 펄스를 상기 펄스 전자석에서 발생하는 펄스 전원과 동기하여 인가하는 스퍼터링 펄스 전원 장치를 포함하는 것을 특징으로 하는 금속관의 내벽 코팅 장치. - 제1항에 있어서,
상기 펄스 전자석을 상기 금속관의 축 방향으로 왕복 이송시킬 수 있는 펄스 전자석 이송 장치를 포함하는 것을 특징으로 하는 금속관의 내벽 코팅 장치. - 제1항에 있어서,
상기 스퍼터링 타겟 금속관에 인가되는 음(-)의 고전압 펄스는 상기 펄스 전자석에 인가되는 펄스 전원이 인가된 후 설정된 지연 시간 후에 인가되도록, 상기 전자석 펄스 전원 장치 및 상기 스터퍼링 펄스 전원 장치에 구동용 신호 펄스를 제공하는 펄스 지연 신호 발생장치를 포함하는 것을 특징으로 하는 금속관의 내벽 코팅 장치. - 제1항에 있어서, 상기 스퍼터링 타겟용 금속관의 냉각을 위해, 상기 스퍼터링 타겟용 금속관의 내경부에 냉각수가 도입 및 배출되는 금속 냉각관을 설치한 것을 특징으로 하는 금속관의 내벽 코팅 장치.
- 제4항에 있어서,
상기 금속 냉각관의 내부에 영구자석을 포함하는 영구자석 어셈블리가 축 방향으로 설치된 것을 특징으로 하는 금속관의 내벽 코팅 장치. - (a) 금속관 시료의 양쪽 개구부를 금속관 시료 내부의 진공 배기 및 공정 가스 인입에 의한 압력이 조절이 가능하도록 하는 장착대에 장착하는 단계;
(b) 상기 금속관 시료의 내부에 동축으로 스퍼터링 타겟 금속관을 설치하는 단계;
(c) 상기 금속관 시료의 외경부에 상기 금속관 시료와 동축으로 펄스 전자석을 설치하는 단계;
(d) 상기 금속관 시료 내부를 진공 배기하는 단계;
(e) 상기 금속관 시료 내부에 공정 가스를 인입하여 공정 가스 압력을 세팅하는 단계;
(f) 상기 펄스 전자석에 펄스 전원을 인가하여, 상기 스퍼터링 타겟 금속관에 상기 펄스 자기장을 형성시키는 단계; 및
(g) 상기 스퍼터링 타겟 금속관에 상기 펄스 전자석에 인가되는 펄스 전원에 동기하여 음의 고전압 펄스를 인가하여 플라즈마를 발생시키는 단계를 포함하는 것을 특징으로 하는 금속관의 내벽 코팅 방법. - 제6항에 있어서,
상기 스퍼터링 타겟 금속관의 내경부에는 냉각수가 도입 및 배출되는 금속 냉각관을 구비하는 것을 특징으로 금속관의 내벽 코팅 방법. - 제6항에 있어서,
펄스 전자석에 의해 형성된 펄스 자기장과 상기 스퍼터링 타겟 금속관에 인가되는 음의 고전압 펄스에 의해 코팅 공정이 시작되면, 상기 펄스 전자석을 상기 금속관 시료의 축 방향으로 왕복 이송시키면서 금속관 시료의 내벽 코팅을 수행하는 것을 특징으로 하는 금속관의 내벽 코팅 방법. - 제6항에 있어서,
상기 금속관 시료 내부에 세팅되는 공정 가스 압력은, 1 mTorr ∼ 1 Torr 인 것을 특징으로 하는 금속관의 내벽 코팅 방법. - 제6항에 있어서, 상기 펄스 전자석 및 상기 스퍼터링 타겟 금속관에 인가되는 펄스 전원의 펄스 주파수는 10 Hz ~ 1,000 Hz 인 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제6항에 있어서, 상기 펄스 전자석에 형성되는 펄스 자기장의 세기는 0.1 kG ~ 10 kG의 값을 갖는 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제6항에 있어서, 상기 스퍼터링 타겟 금속관에 인가하는, 음(-)의 펄스 고전압은, 500 V ~ 2,000 V의 펄스 전압인 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제 6 항 또는 제12항에 있어서, 상기 스퍼터링 타겟 금속관에 인가하는, 음(-)의 펄스 고전압의 펄스폭은, 10 ~ 1,000 usec 인 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제6항에 있어서, 상기 스퍼터링 타겟 금속관에 인가되는 음(-)의 고전압 펄스는, 펄스 전자석에 펄스 전원인 인가된 후 설정된 지연 시간 후에 인가되는 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제14항에 있어서, 상기 지연 시간은 50 usec ∼ 500 usec 인 것을 특징으로 하는 금속관의 내벽 코팅 방법.
- 제7항에 있어서,
상기 금속 냉각관의 내부에는 펄스 자기장의 세기를 증가시키기 위한 영구 자석이 배치된 것을 특징으로 하는 금속관의 내벽 코팅 방법.
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| KR102848342B1 (ko) * | 2024-09-20 | 2025-08-21 | 한국과학기술연구원 | 중공형 금속튜브 내부 코팅장치 및 방법 |
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| US12224165B2 (en) * | 2019-12-06 | 2025-02-11 | Board Of Trustees Of Michigan State University | Magnetic-field-assisted plasma coating system |
| KR102384439B1 (ko) * | 2022-02-15 | 2022-04-08 | (주)해피글로벌솔루션 | 온도 유지를 위한 히터 삽입 및 내벽 코팅을 위한 개방형 rps 블록 장치 |
| CN115323342B (zh) * | 2022-09-20 | 2023-09-29 | 中核四0四有限公司 | 一种基于磁控溅射进行管道镀膜的控制系统及方法 |
| EP4474521A1 (en) * | 2023-06-07 | 2024-12-11 | FN Herstal S.A. | Method for coating firearm barrel |
| BE1031682B1 (fr) * | 2023-06-07 | 2025-01-14 | Materia Nova Asbl | Revêtement uniforme d’un objet creux et méthode pour celui-ci |
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