JP2014521792A - 中央剪断層を有する接着スタック - Google Patents
中央剪断層を有する接着スタック Download PDFInfo
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Abstract
【選択図】 図1
Description
接着スタックは、3枚以上の層で形成される。それら層のうち2枚は、接着層であり、そして第3の層は、2枚の接着層間に配置された剪断層である。他の実施形態では、4枚以上の層を使用してもよく有してもよい。ある実施形態では、接着層の一方又は両方が2枚の接着サブ層より成る。例えば、一方の接着層は、剪断層に接触するように設計され、そして他方の接着層は、接着面に接触するように設計される。このような実施形態では、接着サブ層は、同じ接着材を使用してもよいし異なる接着材を使用してもよい。
種々の接着コンパウンドが使用される。ある実施形態では、接着層は、感圧接着材である。感圧接着材は、種々のコンパウンドより成る。ある実施形態では、感圧接着材は、ポリマー又はエラストマコンパウンド、例えば、天然又は合成ゴムである。ある実施形態では、ポリマー又はエラストマコンパウンドは、アクリル、ビニール又はスチレン系コンパウンドである。種々の実施形態において、感圧接着材は、エチレンビニールアセテート、ニトリル、スチレンブロックコポリマ及びビニールエーテルを含む。又、感圧接着材は、粘着材のような他のコンパウンドも含み、その幾つかの例は、樹脂、可塑材及び充填材である。ある実施形態では、粘着樹脂及び/又は可塑材は、感圧接着材の特性を硬から軟へ変化させるために種々の比率で添加される。種々の実施形態において、粘着樹脂は、初期の接着力を高めるもろい個体として形成される。種々の他の実施形態において、感圧接着材の柔軟性を高める上で役立つように感圧接着材に可塑材が添加される。柔軟な感圧接着材は、異なる形状の表面への適合性が高い。他の実施形態では、感圧接着材の硬化速度又は接着力を変更するためにコンパウンドの比率が変更される。
剪断層は、2枚の接着層間に実質的に非多孔性バリアを与えるように設計される。ある実施形態では、剪断層は、隣接接着層が剪断層を通してブリーディングして他の接着層と相互作用するのを防止し又は減少する上で役立つ。剪断層は、故意の力が加えられるか又は計画的欠陥に遭遇したときに、接着層の1つを剪断する力とは異なる力で剪断するように設計される。ほとんどの実施形態において、剪断層を剪断するのに要する力は、接着層を剪断し及び/又は接着層を接着表面から分離するのに要する力より小さい。
接着スタックは、種々の方法を使用して製造される。ある実施形態では、接着スタックは、3つの個別のローラーストックに蓄積されて送出される接着層及び剪断層材料を合成することにより製造される。接着スタックが剥離層を含む種々の実施形態では、接着スタックは、2枚の接着層及び剪断層を合成することによって製造され、接着層は、剥離層に接触して接着層ロールから送出される。種々の実施形態において、剥離層は、非常に低い接着力で接着層に接着される。種々の実施形態において、剥離層は、ファブリック、フィルム、メンブレーン、ホイル、又はその組み合わせである。種々の実施形態において、剥離層は、合成又は天然材料、例えば、布、金属、ビニール、ポリプロピレン、ポリエステル、プラスチック、又はその組み合わせである。
全ての方向基準(例えば、上部、下部、上方、下方、左、右、左方、右方、トップ、ボトム、上、下、内側、外側、垂直、水平、時計方向及び反時計方向)は、本発明の実施例についての読者の理解を助けるための識別目的でのみ使用され、そして請求の範囲において特に記述のない限り、特に、位置、方向又は本発明の使用に関して何ら限定するものではない。結合基準(例えば、取り付け、結合、接続、接合、等)は、広く理解されるべきもので、エレメントの接続間の中間部材や、エレメント間の相対的な動きを含む。従って、結合基準は、必ずしも、2つのエレメントが直接接続され且つ互いに固定関係であることを推測するものではない。
20:剪断層
21、22、23:サブ層
30、40:接着層
50:電子装置
55、65:接着面
70、80:剥離層
90、100、110:配送ロール
120、130:ローラー
Claims (14)
- 第1の接着層と、
第2の接着層と、
前記第1及び第2の接着層間に、それらと接触して、配置された剪断層と、
を備え、前記剪断層は、第2のサブ層と第3のサブ層との間に配置された第1の接着サブ層を含み、前記第2及び第3のサブ層が基板より成る、接着スタック。 - 前記基板層は、ポリエチレンテトラフルオライド又はPETの1つを含む、請求項1に記載の接着スタック。
- 前記接着サブ層は、前記第1の接着層又は第2の接着層のいずれかの接着強度より接着強度が弱い接着材を含む、請求項2に記載の接着スタック。
- 前記剪断層の接着サブ層は、第2面積より小さい第1面積を画成し、
前記第2面積は、前記接着スタックのサブ層及び他の層により画成され、及び
前記第1面積と第2面積との差がノッチを画成する、請求項1に記載の接着スタック。 - 前記ノッチは、故意の力を加えて前記接着スタックに計画破壊を生成するためにツールを受け入れるよう構成される、請求項4に記載の接着スタック。
- 前記剪断層の接着サブ層の長さは、前記剪断層の基板サブ層の長さとは、0.5ないし1.0mm異なる、請求項4に記載の接着スタック。
- 前記剪断層の接着サブ層の長さは、前記剪断層の基板サブ層の長さとは、約0.0ないし0.5mm異なる、請求項4に記載の接着スタック。
- 前記剪断層の接着サブ層の巾は、前記剪断層の基板サブ層の巾とは、0.5ないし1.0mm異なる、請求項4に記載の接着スタック。
- 前記剪断層の接着サブ層の巾は、前記剪断層の基板サブ層の巾とは、約0.0ないし0.5mm異なる、請求項4に記載の接着スタック。
- 第1の接着層と、
第2の接着層と、
前記第1及び第2の接着層間に、それらと接触して、配置された剪断層であって、この剪断層は、第2のサブ層と第3のサブ層との間に配置された第1の接着サブ層より成り、前記第2及び第3のサブ層が基板で構成されるような剪断層と、
前記第1の接着層に接触する第1の剥離層と、
前記第2の接着層に接触する第2の剥離層と、
を備えた接着スタック。 - 前記剪断層の接着サブ層は、PETで構成される、請求項10に記載の接着スタック。
- 前記剪断層の接着サブ層は、前記第1又は第2の接着層より接着強度が低い、請求項10に記載の接着スタック。
- 接着スタックを製造する方法において、
第1の配送ロールから第1の接着層を配送し、
第2の配送ロールから第2の接着層を配送し、
第3の配送ロールから剪断層を配送し、その剪断層は、第2の基板サブ層と第3の基板サブ層との間に配置された第1の接着サブ層より成り、
前記配送された剪断層を前記第1の配送された接着層と第2の配送された接着層との間に配置し、及び
第1及び第2の圧縮ロール間で接着スタックをアッセンブルする、
ことを含む方法。 - 前記基板サブ層は、PETより成り、そして前記接着サブ層は、第1又は第2の接着層よりも接着強度が低い、請求項13に記載の方法。
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US13/198,586 | 2011-08-04 | ||
US13/198,586 US8945335B2 (en) | 2011-08-04 | 2011-08-04 | Adhesive stack with a central shear layer |
US13/250,786 | 2011-09-30 | ||
US13/250,786 US8859068B2 (en) | 2011-08-04 | 2011-09-30 | Adhesive stack with a central shear layer |
PCT/US2012/049130 WO2013019842A1 (en) | 2011-08-04 | 2012-08-01 | Adhesive stack having a central shear layer |
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JP2014521792A true JP2014521792A (ja) | 2014-08-28 |
JP5793621B2 JP5793621B2 (ja) | 2015-10-14 |
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US (1) | US8859068B2 (ja) |
JP (1) | JP5793621B2 (ja) |
KR (1) | KR101570008B1 (ja) |
CN (1) | CN103717693B (ja) |
TW (1) | TWI478815B (ja) |
WO (1) | WO2013019842A1 (ja) |
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US9785185B2 (en) | 2012-09-11 | 2017-10-10 | Apple Inc. | Removable adhesive joint for computing device |
KR20150060085A (ko) * | 2013-11-25 | 2015-06-03 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 재작업성이 우수한 양면 코팅 테이프 |
US9787345B2 (en) | 2014-03-31 | 2017-10-10 | Apple Inc. | Laser welding of transparent and opaque materials |
US10200516B2 (en) | 2014-08-28 | 2019-02-05 | Apple Inc. | Interlocking ceramic and optical members |
KR20170011544A (ko) | 2015-07-23 | 2017-02-02 | 삼성전자주식회사 | 전자 장치 및 그를 해체하는 방법 |
JP2020095117A (ja) * | 2018-12-11 | 2020-06-18 | 株式会社デンソー | 保護部材及び電子機器 |
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CN103717693B (zh) | 2015-07-08 |
US20130034727A1 (en) | 2013-02-07 |
TW201313485A (zh) | 2013-04-01 |
US20130122291A2 (en) | 2013-05-16 |
CN103717693A (zh) | 2014-04-09 |
KR101570008B1 (ko) | 2015-11-17 |
JP5793621B2 (ja) | 2015-10-14 |
WO2013019842A1 (en) | 2013-02-07 |
US8859068B2 (en) | 2014-10-14 |
TWI478815B (zh) | 2015-04-01 |
KR20140035499A (ko) | 2014-03-21 |
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