KR100719993B1 - 혼합 도전 분말 및 그의 이용 - Google Patents
혼합 도전 분말 및 그의 이용 Download PDFInfo
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- KR100719993B1 KR100719993B1 KR1020067007941A KR20067007941A KR100719993B1 KR 100719993 B1 KR100719993 B1 KR 100719993B1 KR 1020067007941 A KR1020067007941 A KR 1020067007941A KR 20067007941 A KR20067007941 A KR 20067007941A KR 100719993 B1 KR100719993 B1 KR 100719993B1
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- South Korea
- Prior art keywords
- powder
- particles
- silver
- mixed
- weight
- Prior art date
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Abstract
Description
Claims (44)
- 실질적으로 단분산된 도전성의 인편상 입자(A1)과, 도전성의 실질적으로 구상인 입자(B1)을 포함하고, 상대 충전 밀도가 68 % 이상인 혼합 도전 분말.
- 제1항에 있어서, 상기 인편상 입자(A1)의 평균 입경이 상기 실질적으로 구상인 입자(B1)의 평균 입경의 2 내지 50배인 혼합 도전 분말.
- 제1항에 있어서, 상기 인편상 입자(A1)의 종횡비가 1.5 내지 10인 혼합 도전 분말.
- 제1항에 있어서, 상기 실질적으로 구상인 입자(B1)의 평균 입경이 0.3 내지 3.0 ㎛인 혼합 도전 분말.
- 제1항에 있어서, 상기 인편상 입자(A1)이, 은 및 은과 구리와의 합금에 의해 구리 분말의 표면이 부분적으로 피복되고, 표면이 평활화된 은 피복 구리 분말이며, 은의 합계량이 구리에 대하여 3 내지 30 중량%이고, 또한 그 표면에 은 피복 구리 분말에 대하여 0.02 내지 1.0 중량%의 양의 지방산이 부착된 인편상의 지방산 부착 은 피복 구리 분말인 혼합 도전 분말.
- 제1항에 있어서, 상기 인편상 입자(A1)이, 구리 분말의 표면을 구리 분말에 대하여 3 내지 30 중량%의 양의 은으로 피복하는 것; 얻어진 은 피복 구리 분말에 대하여 0.02 내지 1.0 중량%의 양의 지방산을 은 피복 구리 분말의 표면에 부착시키는 것; 피복된 은을 평활화 처리하는 것; 및 은 피복 구리 분말을 인편화하는 것을 포함하는 방법에 의해 얻어지는 인편상의 지방산 부착 은 피복 구리 분말인 혼합 도전 분말.
- 실질적으로 단분산된 도전성의 실질적으로 구상인 입자(A2)와, 상기 실질적으로 구상인 입자(A2)보다 입경이 작은, 도전성의 실질적으로 구상인 입자(B2)를 포함하고, 상대 충전 밀도가 68 % 이상인 혼합 도전 분말.
- 제7항에 있어서, 상기 입경이 큰 쪽의 실질적으로 구상인 입자(A2)의 평균 입경이, 상기 입경이 작은 쪽의 실질적으로 구상인 입자(B2)의 평균 입경의 2 내지 50배인 혼합 도전 분말.
- 제7항에 있어서, 상기 2종의 실질적으로 구상인 입자(A2, B2)의 종횡비가 모두 1.0 이상 1.5 미만인 혼합 도전 분말.
- 제7항에 있어서, 상기 입경이 작은 쪽의 실질적으로 구상인 입자(B2)의 평균 입경이 0.3 내지 3.0 ㎛인 혼합 도전 분말.
- 실질적으로 단분산된 도전성 입자(A)와, 응집된 도전성 입자(B)를 준비하는 것: 및상기 입자(A)와 상기 입자(B)를 혼합하고, 상기 입자(A)로 상기 입자(B)에 충격을 가함으로써 응집된 입자(B)를 해립(解粒, disaggregate)하여 상기 입자(A)와 입자(B)를 분산, 혼합하는 것을 포함하는 혼합 도전 분말의 제조 방법.
- 제11항에 있어서, 얻어지는 혼합 도전 분말의 상대 충전 밀도가 68 % 이상인 혼합 도전 분말의 제조 방법.
- 제11항에 있어서, 상기 입자(A)가, 제1항에 기재된 인편상 입자(A1), 또는 제7항에 기재된 입경이 큰 쪽의 실질적으로 구상인 입자(A2)인 혼합 도전 분말의 제조 방법.
- 제11항에 있어서, 상기 입자(B)가, 제1항에 기재된 실질적으로 구상인 입자(B1) 또는 제7항에 기재된 입경이 작은 쪽의 실질적으로 구상인 입자(B2)인 혼합 도전 분말의 제조 방법.
- 제11항에 있어서, 상기 입자(A)의 평균 입경이 상기 입자(B)의 평균 입경의 2 내지 50배인 혼합 도전 분말의 제조 방법.
- 제1항 또는 제7항에 기재된 혼합 도전 분말과 수지 결합제를 포함하는 도전 페이스트.
- 제11항에 기재된 혼합 도전 분말의 제조 방법에 의해 얻어지는 혼합 도전 분말과 수지 결합제를 포함하는 도전 페이스트.
- 상대 충전 밀도가 68 % 이상인 혼합 도전 분말과 수지 결합제를 포함하는 도전 페이스트이며, 상기 혼합 도전 분말이, 실질적으로 구상이며 표면이 평활화된 은 피복 구리 분말 60 내지 96 중량%와 은 분말 4 내지 40 중량%를 포함하고, 상기 은 피복 구리 분말이, 은 및 은과 구리와의 합금에 의해 구리 분말의 표면이 부분적으로 피복되고, 은의 합계량이 구리에 대하여 3 내지 30 중량%인 은 피복 구리 분말의 표면에, 은 피복 구리 분말에 대하여 0.02 내지 1.0 중량%의 양의 지방산이 부착된 실질적으로 구상인 지방산 부착 은 피복 구리 분말인 도전 페이스트.
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- 제18항에 있어서, 상기 실질적으로 구상인 지방산 부착 은 피복 구리 분말의 평균 입경이 3 내지 17 ㎛인 도전 페이스트.
- 제18항에 있어서, 상기 혼합 도전 분말 중의 은 분말의 형상이 실질적으로 구상이거나 또는 괴상이고, 또한 그의 평균 입경이, 상기 실질적으로 구상인 지방산 부착 은 피복 구리 분말의 평균 입경의 1/50 내지 1/2인 도전 페이스트.
- 제16항에 있어서, 도전 페이스트의 고형분에 대하여 상기 혼합 도전 분말의 배합 비율이 85 내지 96 중량%이고, 상기 수지 결합제의 배합 비율이 4 내지 15 중량%인 도전 페이스트.
- 제16항에 있어서, 도전 페이스트 중의 용제의 함유량이 2 중량% 이하인 도전 페이스트.
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- 제17항 또는 제18항에 있어서, 도전 페이스트의 고형분에 대하여 상기 혼합 도전 분말의 배합 비율이 85 내지 96 중량%이고, 상기 수지 결합제의 배합 비율이 4 내지 15 중량%인 도전 페이스트.
- 제17항 또는 제18항에 있어서, 도전 페이스트 중의 용제의 함유량이 2 중량% 이하인 도전 페이스트.
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US20070164260A1 (en) | 2007-07-19 |
DE112004001768B4 (de) | 2019-11-21 |
JP2012253031A (ja) | 2012-12-20 |
DE112004001768T5 (de) | 2006-09-07 |
US8029701B2 (en) | 2011-10-04 |
US7790063B2 (en) | 2010-09-07 |
JP5146419B2 (ja) | 2013-02-20 |
JPWO2005031760A1 (ja) | 2007-11-15 |
JP4677900B2 (ja) | 2011-04-27 |
WO2005031760A1 (ja) | 2005-04-07 |
JP2010021145A (ja) | 2010-01-28 |
US20100323198A1 (en) | 2010-12-23 |
KR20060073642A (ko) | 2006-06-28 |
JP5516672B2 (ja) | 2014-06-11 |
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