KR100835157B1 - 탄화탄탈 피복 탄소재료 및 그 제조 방법 - Google Patents
탄화탄탈 피복 탄소재료 및 그 제조 방법 Download PDFInfo
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- KR100835157B1 KR100835157B1 KR1020067019705A KR20067019705A KR100835157B1 KR 100835157 B1 KR100835157 B1 KR 100835157B1 KR 1020067019705 A KR1020067019705 A KR 1020067019705A KR 20067019705 A KR20067019705 A KR 20067019705A KR 100835157 B1 KR100835157 B1 KR 100835157B1
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Abstract
Description
Claims (21)
- 탄소기재, 및 상기 탄소기재 상에 탄화탄탈의 피복막을 가지며, 피복막의 X선 회절패턴에 있어서, 탄화탄탈의 (220) 면의 회절선이 다른 밀러면에 대하여 최대의 회절 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항에 있어서, 상기 피복막의 X선 회절패턴에 있어서, 상기 탄화탄탈의 (220) 면의 회절선의 반값폭은 0.2° 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 또는 제 2 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선은, 2번째로 큰 회절선의 회절강도 보다 4 배 이상의 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 또는 제 2 항에 있어서, 상기 피복막의 질소가스 투과율은 1O-6 ㎠/sec 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 1 항 또는 제 2 항에 있어서, 상기 피복막의 두께는 10 ~ 100㎛ 인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 탄소 기재, 및 상기 탄소 기재 상에 형성된 탄화탄탈 결정으로 이루어지고, X선 회절패턴에 있어서 탄화탄탈의 (220) 면의 회절선이 최대의 회절 강도를 나타내는 피복막을, 1600 ~ 2400℃ 로 열처리하여 피복막의 탄화탄탈의 결정성을 향상시키는 탄화탄탈 피복 탄소재료의 제조방법.
- 탄소기재, 탄소기재 상에 형성되며 탄소와 탄탈을 포함하는 조성물로 이루어지는 중간층, 및 중간층 상에 형성된 탄화탄탈을 포함하는 조성물로 이루어지는 피복막을 포함하고, 피복막의 X선 회절패턴에 있어서, 탄화탄탈의 (220) 면의 회절선이 최대 회절강도를 나타내는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 중간층은 피복막 보다 불균일한 화학 조성분포를 갖는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 중간층은 피복막 보다 다공질인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 9 항에 있어서, 상기 중간층은 탄소기재의 표층부분을 탄화탄탈로 전화하 여 얻어진 다공질층인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 8 항에 있어서, 상기 중간층은 탄소기재의 표면의 기공에 탄화탄탈을 매설하여 얻어지는 층인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 중간층은 농도구배를 갖는 경사재료층이며, 탄소기재 측에서 피복막측으로 탄소/탄탈의 원자비는 연속적 또는 단계적으로 낮아지는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 12 항에 있어서, 상기 경사재료층의 탄소/탄탈의 원자비의 최대값은 10 이상이고, 최소값은 0.8 ~ 1.2인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 중간층의 두께는 1㎛ 이상인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 피복막은 탄화탄탈의 화학 증착막인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 피복막에 있어서의 탄소/탄탈의 원자비는 0.8 ~ 1.2인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 삭제
- 제 7 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선은, 2 번째로 큰 회절선의 회절강도의 4배 이상의 강도를 나타내는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 피복막의 X선 회절패턴에서, 상기 탄화탄탈의 (220) 면의 회절선의 반값폭은 0.2° 이하인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 상기 피복막은 탄화탄탈의 화학증착막을 1600~2000℃의 가열처리에 의해 얻어지는 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
- 제 7 항에 있어서, 20℃ 에서 1000℃ 로 가열함으로써 측정되는 피복막의 열팽창계수는 6.9 × 10-6 ~ 7.8 × 10-6/K 인 것을 특징으로 하는 탄화탄탈 피복 탄소재료.
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JPJP-P-2005-00255744 | 2005-09-02 | ||
JP2005255744A JP3779314B1 (ja) | 2005-02-14 | 2005-09-02 | 炭化タンタル被覆炭素材料およびその製造方法 |
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EP (1) | EP1852407B9 (ko) |
JP (1) | JP5275567B2 (ko) |
KR (1) | KR100835157B1 (ko) |
CA (2) | CA2723324A1 (ko) |
HK (1) | HK1105096A1 (ko) |
TW (1) | TWI324192B (ko) |
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EP1852407A1 (en) | 2007-11-07 |
HK1105096A1 (en) | 2008-02-01 |
JPWO2006085635A1 (ja) | 2008-06-26 |
WO2006085635A1 (ja) | 2006-08-17 |
JP5275567B2 (ja) | 2013-08-28 |
TWI324192B (en) | 2010-05-01 |
US20120040172A1 (en) | 2012-02-16 |
KR20070020225A (ko) | 2007-02-20 |
CA2723324A1 (en) | 2006-08-17 |
EP1852407A4 (en) | 2009-05-13 |
TW200636100A (en) | 2006-10-16 |
EP1852407B1 (en) | 2014-01-01 |
US8216667B2 (en) | 2012-07-10 |
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