JP5777275B2 - 電子部品を接合するための発泡体両面接着テープ - Google Patents
電子部品を接合するための発泡体両面接着テープ Download PDFInfo
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/26—Porous or cellular plastics
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- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/24—Presence of a foam
- C09J2400/243—Presence of a foam in the substrate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Description
発泡されたポリマー材料よりなる支持体層(発泡支持体層とも称する)、
発泡された支持体層に貼り付けられた、ポリマー材料よりなるフィルム状の支持体層(フィルム支持体層とも称する)を含む電子部品接合用両面接着テープにおいて、発泡支持体層が400μmより厚くない厚みを有しそしてフィルム状の支持体が40μmより厚くない厚みを有することを特徴とする、上記両面接着テープによって解決される。
2・・・接着剤層
3・・・補強フィルム
4・・・積層接着剤又は積層接着テープ
5・・・発泡支持体層
6・・・接着剤層
21・・・PMMA製板
22・・・枠形打ち抜き物
23・・・ABS製枠
24・・・窓
積層接着剤に接する側での支持体層(フィルム支持体及び/又は発泡支持体)の前処理は外側接着剤層繋留性の改善に役立つ。
1・・・被覆材(剥離材)
2・・・接着剤層
3・・・補強フィルム
4・・・積層接着剤又は積層接着テープ
5・・・発泡支持体層
6・・・接着剤層
本発明の感圧接着テープは図1によれば発泡支持体層(5)及び、積層接着剤(4)によって接合されている補強支持体層(3)よりなる支持体複合体よりなる。支持体複合体の強度を高めるためには、発泡体層も補強支持体フィルムも積層接着剤の側でエッチングにより及び/又はコロナ放電処理によって前処理されているのが有利である。補強支持体層(3)は有利には暗色であり、特に有利には黒色に着色されている。
補強フィルム(3)は12μmの厚さを持ち、特に黒色であり、更に発泡支持体層は15%以下のVA割合のEVA発泡体よりなり、その際に該発泡体自体も暗色であり、特に黒色である。発泡体の密度は250kg/m3である。積層接着剤層は約20g/m2の塗布量であり、層厚は相応して約20μmである。外側接着剤(2、6)としてはアクリレート接着剤(純粋アクリレート又は変性アクリレート)を使用する。有利には50g/m2の塗布量で使用する(それぞれ50μmの層厚に相当する)。
本発明の接着テープの低温耐衝撃性(衝撃吸収性)を定量化するために以下の実験を実施した。
35mm×45mmの寸法及び1mmの厚さを有するポリメチルメタクリレート(PMMA)製板(21)の上で、実験すべき接着テープ(22)[枠形打ち抜き物(22):外側寸法35mm×45mm;枠厚2.0mm;内側寸法31mm×41mm]をアクリルニトリル−ブタジエン−スチレンコポリマー(ABS)製枠(23)[外側寸法40mm×50mm;窓(24)寸法(=枠の内側寸法)30mm×24mm;窓は枠内に対照的に配置されている]に貼り付ける。貼り付けのために試験体に6kgの重りを5秒間押し付ける。その後で試験体を24時間、23±1℃で放置する。
試験体(31)はマウント(32)の上に、枠(23)がそれに貼り付いたポリメタクリレート板(21)を越えて飛び出ている領域で接合されそしてPMMA製板(21)が下側を開放状態でぶら下がる様に配置されている。ステンレス鋼球(33)(直径15mm、重量13.7g)を色々な落下高さ(h)から試験すべき試験体(31)の上に落とす。その結果、該鋼球はABS製枠の窓(24)を通って落下しそしてPMMA製板(21)に衝突する。アルミニウム製管(34)は落下のための垂直方向案内として役立つ。測定は−20℃(試験すべき試料の温度:有利には試験空間全体)で実施する。この試験で、PMMA製板(21)とABS製枠(23)との間で試験すべき接着テープ(22)によって実現される接合が該ステンレス鋼球の落下後でもなお無傷で残る最大の落下高さhmaxを測定する。
本発明の接着テープ[発泡支持体:PE−EVA発泡体;発泡支持体厚250μm;フィルム支持体:PET−フィルム;フィルム支持体厚:12μm;外側接着剤(それぞれの層厚50μm)及び積層接着剤(層厚:20μm):市販の樹脂変性されたアクリレート感圧接着剤]を用いた両方の試験体(A、B)は45cmの最大落下高さhmaxに耐えた。
Byk-Gardner TCS カラー球形分光光度計(Byk-Gardner TCS The Colour Sphere Spektrophotometer)(波長域380〜720mm)を用いて透過率(視感透過率%)を測定する。要するに、試験すべき接着テープ(本発明の試験体及び比較用試験体)の光透過率を測定する。
試験1:本発明の接着テープ;図1によれば上側から照射した。
試験2:本発明の接着テープ;図1によれば下側から照射した。
試験3及び4:比較様接着テープ
Claims (10)
- アクリレート接着剤、変性アクリレート接着剤から選ばれる二枚の外側にある接着剤層、
発泡されたポリマー材料よりなる支持体層、
発泡された支持体層に貼り付けられた、ポリマー材料よりなるフィルム状の支持体層を含む電子部品接合用両面接着テープにおいて、発泡支持体層が400μmより厚くない厚み及び100〜400kg/m3の密度を有しそしてポリエチレンとエチレン−ビニルアセテート−コポリマーとのポリマー混合物(PE−EVA)よりなり、そしてフィルム状の支持体層が40μmより厚くない厚みを有することを特徴とする、上記両面接着テープ。 - 全体の厚みが500μmより厚くない、請求項1に記載の接着テープ。
- 発泡支持体層が黒色に着色されている、請求項1又は2に記載の接着テープ。
- フィルム状支持体層が黒色に着色されている、請求項1〜3のいずれか一つに記載の接着テープ。
- 外側の片方又は両方の接着剤層が黒色に着色されている、請求項1〜4のいずれか一つに記載の接着テープ。
- 黒色に着色された層の少なくとも1つの着色を非導電性着色剤によって行う、請求項3〜5のいずれか一つに記載の接着テープ。
- 黒色に着色された層の少なくとも1つの着色を有機染料によって行う、請求項3〜6のいずれか一つに記載の接着テープ。
- 請求項1〜7のいずれか一つに記載の両面接着テープよりなる打ち抜き物。
- 請求項1〜7のいずれか一つに記載の両面接着テープ又は請求項8の打ち抜き物を電子部品の接着に用いる方法。
- 請求項1〜7のいずれか一つに記載の両面接着テープ又は請求項8の打ち抜き物を液晶ディスプレーの領域で接合に用いる方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008031356.4 | 2008-07-04 | ||
DE102008031356A DE102008031356A1 (de) | 2008-07-04 | 2008-07-04 | Doppelseitige Schaumstoffklebebänder zur Verklebung von elektronischen Bauteilen |
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Publication Number | Publication Date |
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JP2010013648A JP2010013648A (ja) | 2010-01-21 |
JP5777275B2 true JP5777275B2 (ja) | 2015-09-09 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009158911A Expired - Fee Related JP5777275B2 (ja) | 2008-07-04 | 2009-07-03 | 電子部品を接合するための発泡体両面接着テープ |
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Country | Link |
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EP (1) | EP2141211B1 (ja) |
JP (1) | JP5777275B2 (ja) |
KR (1) | KR101717166B1 (ja) |
CN (1) | CN101619198B (ja) |
DE (1) | DE102008031356A1 (ja) |
TW (1) | TWI513789B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019197116A1 (en) * | 2018-04-12 | 2019-10-17 | Tesa Se | Pressure sensitive adhesive tape comprising a foamed film, method for producing such a tape and foamed film |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4842358B2 (ja) | 2008-12-04 | 2011-12-21 | 日東電工株式会社 | 両面粘着テープ |
JP5710296B2 (ja) * | 2008-12-04 | 2015-04-30 | 日東電工株式会社 | 両面粘着テープ |
JP2011252095A (ja) * | 2010-06-02 | 2011-12-15 | Nitto Denko Corp | 両面粘着テープ |
WO2012012115A1 (en) * | 2010-06-30 | 2012-01-26 | First Solar, Inc | Double- sided pressure - sensitive adhesive tape |
DE102010038429A1 (de) * | 2010-07-26 | 2012-01-26 | Tesa Se | Haftklebrige Dichtung |
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2008
- 2008-07-04 DE DE102008031356A patent/DE102008031356A1/de not_active Withdrawn
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2009
- 2009-06-18 TW TW098120391A patent/TWI513789B/zh not_active IP Right Cessation
- 2009-06-19 EP EP09163293.5A patent/EP2141211B1/de not_active Not-in-force
- 2009-06-30 KR KR1020090058866A patent/KR101717166B1/ko active IP Right Grant
- 2009-07-02 CN CN200910139695.0A patent/CN101619198B/zh not_active Expired - Fee Related
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WO2019197116A1 (en) * | 2018-04-12 | 2019-10-17 | Tesa Se | Pressure sensitive adhesive tape comprising a foamed film, method for producing such a tape and foamed film |
Also Published As
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CN101619198B (zh) | 2014-07-30 |
EP2141211A2 (de) | 2010-01-06 |
KR101717166B1 (ko) | 2017-03-16 |
EP2141211A8 (de) | 2010-06-23 |
CN101619198A (zh) | 2010-01-06 |
TW201006904A (en) | 2010-02-16 |
EP2141211B1 (de) | 2016-06-08 |
KR20100004869A (ko) | 2010-01-13 |
EP2141211A3 (de) | 2010-10-13 |
JP2010013648A (ja) | 2010-01-21 |
TWI513789B (zh) | 2015-12-21 |
DE102008031356A1 (de) | 2010-01-07 |
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