KR20190126456A - 이방 도전성 필름 및 접속 구조체 - Google Patents
이방 도전성 필름 및 접속 구조체 Download PDFInfo
- Publication number
- KR20190126456A KR20190126456A KR1020197032484A KR20197032484A KR20190126456A KR 20190126456 A KR20190126456 A KR 20190126456A KR 1020197032484 A KR1020197032484 A KR 1020197032484A KR 20197032484 A KR20197032484 A KR 20197032484A KR 20190126456 A KR20190126456 A KR 20190126456A
- Authority
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- South Korea
- Prior art keywords
- axis
- conductive particles
- conductive
- particle
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- C—CHEMISTRY; METALLURGY
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- H01L2224/9211—Parallel connecting processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- 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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09945—Universal aspects, e.g. universal inner layers or via grid, or anisotropic interposer
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Abstract
Description
도 2a 는, 대략 진구의 도전 입자로 접속한 경우의 접속 상태의 설명도이다.
도 2b 는, 대략 진구의 도전 입자로 접속한 경우의 접속 상태의 설명도이다.
도 2c 는, 주상 (柱狀) 의 도전 입자로 접속한 경우의 접속 상태의 설명도이다.
도 2d 는, 입경이 편차진 도전 입자로 접속한 경우의 접속 상태의 설명도이다.
도 3a 는, 이방 도전성 필름에 있어서의 도전 입자의 배치도의 변형예이다.
도 3b 는, 이방 도전성 필름에 있어서의 도전 입자의 배치도의 변형예이다.
도 4 는, 실시예의 이방 도전성 필름 (1A) 에 있어서의 도전 입자의 배치도이다.
도 5 는, 실시예의 이방 도전성 필름 (1B) 에 있어서의 도전 입자의 배치도이다.
도 6 은, 실시예의 이방 도전성 필름 (1C) 에 있어서의 도전 입자의 배치도이다.
도 7 은, 실시예의 이방 도전성 필름 (1D) 에 있어서의 도전 입자의 배치도이다.
도 8 은, 실시예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 9 는, 실시예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 10 은, 실시예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 11 은, 실시예의 이방 도전성 필름 (1E) 에 있어서의 도전 입자의 배치도이다.
도 12 는, 실시예의 이방 도전성 필름 (1F) 에 있어서의 도전 입자의 배치도이다.
도 13 은, 비교예의 이방 도전성 필름 (1G) 에 있어서의 도전 입자의 배치도이다.
도 14 는, 비교예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 15 는, 비교예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 16 은, 비교예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
도 17 은, 비교예의 이방 도전성 필름에 있어서의 도전 입자의 배치도이다.
2 : 절연 접착제층
3 : 단자
A1 : 제 1 축
A2 : 제 2 축
A3 : 제 3 축
D : 도전 입자경
L1 : 도전 입자 피치
L2 : 인접하는 제 1 축끼리에 있어서의 최근접 입자간 거리
L3 : 축 피치
Lp : 단자 피치
Lq : 단자 폭
Lr : 단자 길이
P : 도전 입자
Claims (1)
- 절연 접착제층과, 그 절연 접착제층에 배치된 도전 입자를 함유하는 이방 도전성 필름으로서, 도전 입자가 소정의 입자 피치로 배열된 제 1 축이 소정의 축 피치로 병렬되어 있는 도전 입자의 배열을 갖고,
도전 입자가 진구이며,
도전 입자의 평균 입자경을 D 로 했을 경우, 제 1 축에 있어서의 도전 입자 피치 L1 이 1.5 D 이상, 제 1 축의 축 피치 L3 이 1.5 D 이상이고,
제 1 축에 있어서의 임의의 도전 입자 (P0) 와, 그 제 1 축에 있어서 도전 입자 (P0) 에 인접하는 도전 입자 (P1) 와, 그 제 1 축에 인접하는 제 1 축에 있고 도전 입자 (P0) 와 최근접하고 있는 도전 입자 (P2) 로 형성되는 삼각형의 각 변의 방향이 이방 도전성 필름의 필름 폭 방향과 사교하고,
도전 입자의 다음 식으로 산출되는 진구도가 70 ∼ 100 인, 이방 도전성 필름.
진구도 ={1 - (So - Si)/So}× 100
(식 중, So 는 도전 입자의 평면 화상에 있어서의 그 도전 입자의 외접원의 면적,
Si 는 도전 입자의 평면 화상에 있어서의 그 도전 입자의 내접원의 면적이다)
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