KR100613033B1 - 플레이크 동분말, 이 플레이크 동분말의 제조방법 및 이플레이크 동분말을 이용한 도전성 페이스트 - Google Patents
플레이크 동분말, 이 플레이크 동분말의 제조방법 및 이플레이크 동분말을 이용한 도전성 페이스트 Download PDFInfo
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Abstract
Description
시료 | D10 | D50 | D90 | DMAX | SD | SD/D50 | D90/D10 |
(㎛) | |||||||
1 | 10.13 | 26.15 | 46.77 | 104.70 | 18.31 | 0.70 | 4.62 |
2 | 2.88 | 6.28 | 14.09 | 44.00 | 4.15 | 0.66 | 4.89 |
3 | 2.71 | 5.87 | 13.14 | 52.33 | 3.86 | 0.66 | 4.85 |
4 | 2.81 | 8.20 | 21.38 | 52.33 | 7.17 | 0.87 | 7.61 |
비교예: 본 실시 형태에서는, 실시예 1에서 이용한 응집상태에 있는 건조된 원료분말을 해립처리 하지 않고, 실시예 1과 마찬가지로 Willy A. Bachfen AG Maschinenfabrik사 제조의 다이노밀(dyno-mill) KDL 타입을 이용해서, 직경 0.7mm의 비즈에 의해, 동분말의 분립을 압축해서 소성변형시킴으로써 플레이크상의 동분말을 제조했다. 그 결과 얻어진 플레이크 동분말의 분체특성이 표 1의 시료번호 4로서 나타낸 것이다. 이 플레이크 동분말은 최대입경 DMAX가 평균입경 D50의 5배이상의 조대립을 포함하는 것이다.
Claims (10)
- 동분말의 분립(粉粒)을 소성변형시켜 플레이크(flake)화한 플레이크 동분말에 있어서,레이져 회절산란식 입도분포 측정법에 의한 중량누적입경 D50이 10㎛ 이하이며, 레이져 회절산란식 입도분포 측정법에 의한 중량누적입경 D10, D50, D90 , 레이져 회절산란식 입도분포 측정법에 의해 측정된 입도분포의 표준편차 SD를 이용해서 나타내어지는 SD/D50의 값이 0.55 이하이고, 또한 D90/D10으로 나타내어지는 값이 4.5 이하인 것을 특징으로 하는 플레이크 동분말.
- 제 1항에 있어서,상기 분립의 종횡비(평균 장경/평균 두께)가 3 ~ 200 인 것을 특징으로 하는 플레이크 동분말.
- 제 1항 또는 제 2항에 있어서,레이져 회절산란식 입도분포 측정법의 중량누적입경 D50과 최대중량누적입경 DMAX와의 비인 [DMAX]/[D50]가 5 이하인 것을 특징으로 하는 플레이크 동분말.
- 제 1항 또는 제 2항에 기재된 플레이크 동분말을 70wt% 이상의 존재율로 포함하는 플레이크 동분말.
- 동분말의 분립(粉粒)을 소성변형시켜 플레이크 동분말을 제조하는 방법에 있어서,응집상태에 있는 동분말을 해립(解粒)처리하고, 해립처리가 종료된 응집도 1.6 이하의 분산성이 우수한 동분말의 분립을 이용하여,그 동분말의 분립을 입경이 0.5mm 이하의 미디어 비즈를 이용해서 고에너지 볼밀로 압축하고 소성변형시킴으로써, 플레이크상으로 만드는 것을 특징으로 하는 플레이크 동분말의 제조방법.
- 제 5항에 있어서,미디어 비즈는 비중이 3.0g/cm3 ~ 6.5g/cm3인 것을 특징으로 하는 플레이크 동분말의 제조방법.
- 제 1항 또는 제 2항에 기재된 플레이크 동분말을 이용해서 제조된 도전성 페이스트.
- 제 3항에 기재된 플레이크 동분말을 70wt% 이상의 존재율로 포함하는 플레이크 동분말.
- 제 3항에 기재된 플레이크 동분말을 이용해서 제조된 도전성 페이스트.
- 제 4항에 기재된 플레이크 동분말을 이용해서 제조된 도전성 페이스트.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2002338990A JP4145127B2 (ja) | 2002-11-22 | 2002-11-22 | フレーク銅粉及びそのフレーク銅粉の製造方法並びにそのフレーク銅粉を用いた導電性ペースト |
JPJP-P-2002-00338990 | 2002-11-22 | ||
PCT/JP2003/010192 WO2004048017A1 (ja) | 2002-11-22 | 2003-08-11 | フレーク銅粉及びそのフレーク銅粉の製造方法並びにそのフレーク銅粉を用いた導電性ペースト |
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KR100613033B1 true KR100613033B1 (ko) | 2006-08-16 |
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US (1) | US20060137488A1 (ko) |
JP (1) | JP4145127B2 (ko) |
KR (1) | KR100613033B1 (ko) |
CN (1) | CN1292861C (ko) |
AU (1) | AU2003254924A1 (ko) |
CA (1) | CA2506367A1 (ko) |
DE (1) | DE10393768T5 (ko) |
TW (1) | TWI236393B (ko) |
WO (1) | WO2004048017A1 (ko) |
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JPH08325612A (ja) * | 1995-05-30 | 1996-12-10 | Mitsui Mining & Smelting Co Ltd | 微細な鱗片状銅粉及びその製造方法 |
JP4136106B2 (ja) * | 1998-08-31 | 2008-08-20 | 三井金属鉱業株式会社 | 扁平状微小銅粉及びその製造方法 |
US6395332B1 (en) * | 1998-08-31 | 2002-05-28 | Mitsui Mining And Smelting Company, Ltd. | Fine copper powder and process for producing the same |
CN1358593A (zh) * | 2000-12-09 | 2002-07-17 | 甘肃雷诺换热设备有限公司 | 一种降低雾化铜粉松装密度的方法 |
JP4227373B2 (ja) * | 2001-08-07 | 2009-02-18 | 三井金属鉱業株式会社 | フレーク銅粉及びそのフレーク銅粉を用いた銅ペースト |
JP4168116B2 (ja) * | 2002-03-06 | 2008-10-22 | Dowaエレクトロニクス株式会社 | 箔片状銅粉およびこれを用いた導電ペースト |
-
2002
- 2002-11-22 JP JP2002338990A patent/JP4145127B2/ja not_active Expired - Lifetime
-
2003
- 2003-08-11 CA CA002506367A patent/CA2506367A1/en not_active Abandoned
- 2003-08-11 DE DE10393768T patent/DE10393768T5/de not_active Withdrawn
- 2003-08-11 KR KR1020047013938A patent/KR100613033B1/ko active IP Right Grant
- 2003-08-11 CN CNB038058448A patent/CN1292861C/zh not_active Expired - Lifetime
- 2003-08-11 US US10/536,012 patent/US20060137488A1/en not_active Abandoned
- 2003-08-11 AU AU2003254924A patent/AU2003254924A1/en not_active Abandoned
- 2003-08-11 WO PCT/JP2003/010192 patent/WO2004048017A1/ja active Application Filing
- 2003-09-18 TW TW092125707A patent/TWI236393B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170029843A (ko) | 2015-09-08 | 2017-03-16 | 창원대학교 산학협력단 | 밀링 공정을 통해 조절된 입자 형상을 가지는 금속분말의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
WO2004048017A1 (ja) | 2004-06-10 |
AU2003254924A1 (en) | 2004-06-18 |
CN1292861C (zh) | 2007-01-03 |
JP4145127B2 (ja) | 2008-09-03 |
US20060137488A1 (en) | 2006-06-29 |
KR20040086853A (ko) | 2004-10-12 |
DE10393768T5 (de) | 2005-10-20 |
CN1642680A (zh) | 2005-07-20 |
CA2506367A1 (en) | 2004-06-10 |
JP2004169155A (ja) | 2004-06-17 |
TWI236393B (en) | 2005-07-21 |
TW200408475A (en) | 2004-06-01 |
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