KR101568659B1 - 도전성 접착층을 포함하는 이방 도전성 필름 및 상기 필름에 의해 접속된 반도체 장치 - Google Patents
도전성 접착층을 포함하는 이방 도전성 필름 및 상기 필름에 의해 접속된 반도체 장치 Download PDFInfo
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- KR101568659B1 KR101568659B1 KR1020130034163A KR20130034163A KR101568659B1 KR 101568659 B1 KR101568659 B1 KR 101568659B1 KR 1020130034163 A KR1020130034163 A KR 1020130034163A KR 20130034163 A KR20130034163 A KR 20130034163A KR 101568659 B1 KR101568659 B1 KR 101568659B1
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- particles
- conductive
- adhesive layer
- insulating
- conductive film
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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Abstract
상기 도전성 접착층의 도전성 입자와 절연성 입자의 합계 입자 밀도가 1mm2당 7.0 x 105/d2 개 내지 10.0 x 105/d2 개(여기서, d는 도전성 입자의 직경(μm)이다)임을 특징으로 한다.
Description
도 2는 종래 기술에 따른 도전성 접착층을 갖는 이방 도전성 필름의 단면도이다.
도 3은 본 발명의 다른 양태에 따른 이방 도전성 필름의 단면도이다.
실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 | 실시예6 | |
도전입자 및 절연입자 함량 | 53% | 53% | 41% | 28% | 49% | 54% |
입자 비율(부피비) | 1:1 | 1:1 | 1:3 | 1:3 | 1:1 | 1:1 |
도전성 접착층 두께(㎛) | 1.5 | 4.5 | 3 | 3 | 4 | 3 |
도전성 입자 입경(㎛) | 3 | 3 | 3 | 3 | 4 | 3 |
절연성 입자 입경(㎛) | 3 | 3 | 3 | 3 | 4 | 2.5 |
입자 밀도(1mm2) | 99,000개 | 92,000개 | 105,000개 | 78,000개 | 88,000개 | 102,000개 |
접속저항(Ω) | 0.04 | 0.05 | 0.07 | 0.09 | 0.04 | 0.04 |
절연저항(Ω) | 1.0x109 | 1.0x109 | 1.0x109 | 1.0x109 | 1.0x109 | 1.0x109 |
비교예1 | 비교예2 | |
도전입자 및 절연입자 함량 | 66% | 21% |
입자 비율(부피비) | 2:1 | 1:3 |
도전성 접착층 두께(㎛) | 3 | 3 |
도전성 입자 입경(㎛) | 3 | 3 |
절연성 입자 입경(㎛) | 3 | 3 |
입자 밀도(1mm2) | 120,000개 | 55,000개 |
접속저항(Ω) | 1.25 | 0.50 |
절연저항(Ω) | 쇼트 | 1.0x109 |
2. 도전성 접착층
3. 절연성 접착층
3'. 제1 절연성 접착층
3''. 제2 절연성 접착층
4. 도전성 입자
5. 절연성 입자
6. 이방 도전성 필름
Claims (22)
- 도전성 입자와 절연성 입자를 포함하는 도전성 접착층과 도전성 입자를 포함하지 않는 절연성 접착층을 포함하는 이방 도전성 필름으로,
상기 도전성 접착층의 도전성 입자와 절연성 입자의 합계 입자 밀도가 1mm2당 7.0 x 105/d2 개 내지 10.0 x 105/d2 개(여기서, d는 도전성 입자의 직경(μm)이다)이고, 상기 도전성 입자와 상기 절연성 입자의 부피비가 1.5:1 내지 1:3.5인 이방 도전성 필름. - 제1항에 있어서, 상기 도전성 입자와 절연성 입자가 상기 도전성 접착층의 전체 고형 중량을 기준으로 25 내지 60 중량%로 함유되는 것을 특징으로 하는 이방 도전성 필름.
- 삭제
- 제1항 또는 제2항에 있어서, 상기 d가 1 ~ 10 μm 인 것을 특징으로 하는 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 접착층의 두께가 상기 도전성 입자 지름의 50% 내지 150%인 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 입자와 상기 절연성 입자의 직경비가 1.5:1 내지 1:1.5인 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 절연성 접착층이 상기 도전성 접착층의 일면 혹은 양면에 형성되어 있는 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 입자가 Au, Ag, Ni, Cu, Pd, Al, Cr, Sn, Ti, 및 Pb 중 하나 이상을 포함하는 금속 입자; 탄소 입자; 벤조구아나민, 폴리에틸렌, 폴리에스테르, 폴리스티렌 및 폴리비닐 알코올 중 하나 이상을 포함하는 수지 또는 이들의 변성 수지로 된 입자를 상기 금속 입자로 코팅한 입자 중에서 선택되는 하나 이상인 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 입자 또는 상기 절연성 입자의 표면에 돌기가 형성되어 있는 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 절연성 입자가 무기 입자, 유기 입자 또는 유/무기 혼합형 입자인 이방 도전성 필름.
- 제10항에 있어서, 상기 무기 입자가 실리카(SiO2), Al2O3, TiO2, ZnO, MgO, ZrO2, PbO, Bi2O3, MoO3, V2O5, Nb2O5, Ta2O5, WO3 또는 In2O3 중 어느 하나 이상 선택된 무기 입자인 이방 도전성 필름.
- 제10항에 있어서, 상기 유기 입자가 아크릴 코폴리머, 벤조구아닌, 폴리에틸렌, 폴리에스테르, 폴리스티렌, 폴리비닐 알코올 및 폴리우레탄 중 하나 이상을 포함하는 수지 또는 이들의 변성 수지로 된 유기 입자인 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 접착층 또는 상기 절연성 접착층이 각각 바인더 수지 및 경화제를 포함하는 이방 도전성 필름.
- 제13항에 있어서, 상기 도전성 접착층의 전체 고형 중량을 기준으로 상기 바인더 수지가 10 내지 60중량%, 상기 경화제가 10 내지 40중량%로 포함되는 이방 도전성 필름.
- 제13항에 있어서, 상기 절연성 접착층의 전체 고형 중량을 기준으로 상기 바인더 수지가 30 내지 80중량%, 상기 경화제가 20 내지 70중량%로 포함되는 이방 도전성 필름.
- 제1항 또는 제2항에 있어서, 상기 도전성 접착층에 대한 상기 절연성 접착층의 두께 비율이 1/5 초과 10 미만인 이방 도전성 필름.
- 도전성 입자와 절연성 입자를 포함하는 도전성 접착층과 도전성 입자를 포함하지 않는 절연성 접착층을 포함하는 이방 도전성 필름으로,
상기 도전성 접착층의 도전성 입자와 절연성 입자의 합계 입자 밀도가 1mm2당 7.0 x 105/d2 개 내지 10.0 x 105/d2 개(여기서, d는 도전성 입자의 직경(μm)이다)이고,
상기 도전성 입자와 상기 절연성 입자의 부피비가 1.5:1 내지 1:3.5이며,
상기 도전성 접착층의 두께가 상기 도전성 입자 지름의 50% 내지 150%이고, 상기 도전성 입자와 상기 절연성 입자의 중심이 실질적으로 동일 평면 상에 위치하는 이방 도전성 필름. - a) 배선 기판;
b) 상기 배선 기판에 부착되어 있는 제1항 또는 제2항에 따른 이방 전도성 필름의 도전성 접착층 및 절연성 접착층; 및
c) 상기 도전성 접착층 혹은 상기 절연성 접착층 상에 탑재된 반도체 칩을 포함하는 반도체 장치. - 삭제
- 제18항에 있어서, 상기 도전성 접착층의 두께가 도전성 입자 지름의 50% 내지 150%인 반도체 장치.
- 제18항에 있어서, 도전성 입자와 절연성 입자의 직경비가 1.5:1 내지 1:1.5인 반도체 장치.
- 제7 항에 있어서, 상기 도전성 접착층에 대한 상기 절연성 접착층의 두께 비율이 1/5 초과 10 미만인 이방 도전성 필름.
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KR1020130034163A KR101568659B1 (ko) | 2013-03-29 | 2013-03-29 | 도전성 접착층을 포함하는 이방 도전성 필름 및 상기 필름에 의해 접속된 반도체 장치 |
TW103111767A TWI570746B (zh) | 2013-03-29 | 2014-03-28 | 包含導電黏著層之各向異性導電膜及半導體裝置 |
US14/229,003 US9490228B2 (en) | 2013-03-29 | 2014-03-28 | Anisotropic conductive film including conductive adhesive layer and semiconductor device connected by the same |
CN201410125845.3A CN104073178B (zh) | 2013-03-29 | 2014-03-31 | 包括导电粘合剂层的各向异性导电膜和半导体装置 |
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KR1020130034163A KR101568659B1 (ko) | 2013-03-29 | 2013-03-29 | 도전성 접착층을 포함하는 이방 도전성 필름 및 상기 필름에 의해 접속된 반도체 장치 |
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KR20140118379A KR20140118379A (ko) | 2014-10-08 |
KR101568659B1 true KR101568659B1 (ko) | 2015-11-12 |
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US (1) | US9490228B2 (ko) |
KR (1) | KR101568659B1 (ko) |
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TW (1) | TWI570746B (ko) |
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KR101956221B1 (ko) * | 2014-10-28 | 2019-03-08 | 데쿠세리아루즈 가부시키가이샤 | 이방성 도전 필름, 그 제조 방법, 및 접속 구조체 |
CN106318244A (zh) * | 2015-07-02 | 2017-01-11 | 玮锋科技股份有限公司 | 核层技术异方性导电胶膜 |
CN107615408B (zh) * | 2015-07-30 | 2019-07-02 | 昭和电工株式会社 | 导电膜的制造方法及导电膜 |
KR101893248B1 (ko) * | 2015-11-26 | 2018-10-04 | 삼성에스디아이 주식회사 | 이방 도전성 필름 및 이를 이용한 접속 구조체 |
JP6776609B2 (ja) * | 2016-02-22 | 2020-10-28 | デクセリアルズ株式会社 | 異方性導電フィルム |
JP7274810B2 (ja) * | 2016-05-05 | 2023-05-17 | デクセリアルズ株式会社 | 異方性導電フィルム |
KR20170130003A (ko) * | 2016-05-17 | 2017-11-28 | 삼성디스플레이 주식회사 | 이방성 도전 필름을 포함하는 표시 장치 및 이방성 도전 필름의 제조 방법 |
US20170338204A1 (en) * | 2016-05-17 | 2017-11-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Device and Method for UBM/RDL Routing |
KR102593532B1 (ko) * | 2016-06-03 | 2023-10-26 | 삼성디스플레이 주식회사 | 이방성 도전 필름 및 이를 이용한 디스플레이 장치 |
KR102024263B1 (ko) * | 2016-07-07 | 2019-09-23 | 주식회사 엘지화학 | 전도성 입자, 이를 포함하는 점 전극, 및 그 제조방법 |
KR102063059B1 (ko) * | 2016-08-17 | 2020-01-07 | 주식회사 엘지화학 | 전도성 물품의 제조방법 |
KR102126679B1 (ko) * | 2016-08-18 | 2020-06-25 | 주식회사 엘지화학 | 그물구조 전도체의 제조방법 |
JP6935702B2 (ja) * | 2016-10-24 | 2021-09-15 | デクセリアルズ株式会社 | 異方性導電フィルム |
KR102251441B1 (ko) * | 2016-12-01 | 2021-05-12 | 데쿠세리아루즈 가부시키가이샤 | 접속 구조체 |
KR102519126B1 (ko) * | 2018-03-30 | 2023-04-06 | 삼성디스플레이 주식회사 | 표시 장치 |
CN113557274B (zh) * | 2019-03-13 | 2023-08-01 | 株式会社力森诺科 | 电路连接用黏合剂膜及其制造方法、电路连接结构体的制造方法以及黏合剂膜收纳套组 |
EP4139411A1 (en) * | 2020-04-24 | 2023-03-01 | Henkel AG & Co. KGaA | Heat separable two-layer adhesive system and process of adhesive debonding using the same |
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- 2013-03-29 KR KR1020130034163A patent/KR101568659B1/ko not_active IP Right Cessation
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2014
- 2014-03-28 TW TW103111767A patent/TWI570746B/zh not_active IP Right Cessation
- 2014-03-28 US US14/229,003 patent/US9490228B2/en not_active Expired - Fee Related
- 2014-03-31 CN CN201410125845.3A patent/CN104073178B/zh not_active Expired - Fee Related
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JP2012097231A (ja) | 2010-11-04 | 2012-05-24 | Asahi Kasei E-Materials Corp | 異方導電性接着フィルム |
Also Published As
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US20140291869A1 (en) | 2014-10-02 |
CN104073178A (zh) | 2014-10-01 |
CN104073178B (zh) | 2016-03-16 |
US9490228B2 (en) | 2016-11-08 |
KR20140118379A (ko) | 2014-10-08 |
TWI570746B (zh) | 2017-02-11 |
TW201445580A (zh) | 2014-12-01 |
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