JP2008525579A - 力スイッチおよびセンサー用の接着膜 - Google Patents
力スイッチおよびセンサー用の接着膜 Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
実施例中で使用される材料を下記の表に示す。この材料の組成は、phr(ゴム100部当りの部数)で表される。UCシリコーンはクロンプトン(Crompton)(コネチカット州グリニッジ(Greenwich,CT))からY−7942として市販されているビニル変性ポリジメチルシロキサンであり、Pt触媒はこのUCシリコーン中に1phrの濃度で分散されているオールドリッチ・カナダ(Aldrich Canada)(カナダ国オンタリオ州オークビル(Oakville,ON,Canada))から入手できる白金微粉末の分散物であり、DC1107はダウ・コーニング(Dow Corning)(ミシガン州ミッドランド(Midland,MI))から入手できる架橋剤であり、DMはフィッシャー・サイエンティフィック(Fischer Scientific)(カナダ国オンタリオ州オタワ(Ottawa,ON,Canada))から市販されているマレイン酸ジメチルである。
この実施例ではスリー・エム・カンパニー(3M Company)(ミネソタ州セントポール(St.Paul.Mn)からSD120として市販されている酸化インジウムスズ被覆ガラスビーズを導電用粒子として用いた。このビーズを、当業界でよく知られている市販の篩を用いてふるいに掛けて、約50ミクロン未満のサイズのビーズを選択した。
センサーは、そのセンサーに掛かる法線力を測定するロードセル(コネチカット州ハートフォードのオメガ・エンジニアリング・インコーポレーテッド(Omega Engineering Inc.,Hartford,CT)から得られるLCFD−1kg型)から構成される力測定装置と称される装置を用いて評価した。この評価すべきセンサーをそのロードセル上に水平に置き、テープで固定した。約275kPaの圧縮空気を用いたコンピュータ制御下の2個の弁(オハイオ州シンシナティのクリッパード・インスツルメント・ラボラトリー(Clippard Instrument Laboratory,Cincinnati,OH)から得られるEC−2−12型)と連結された空気で作動するシリンダ(コネチカット州ノーウォークのエアポット・コーポレーション(Airpot Corporation,Norwalk,CT)から得られるE9X 0.5N型)を、ロードセルの直ぐ上に配置した。順序どおりに弁を開閉することによって予め決めた一定の歩幅で下方へ移動させ、そのロードセル上に置かれたセンサーにかかる力を増加した。このロードセルを、掛かった力を表示するディスプレイ装置(コネチカット州ハートフォードのオメガ・エンジニアリング・インコーポレテッド(Omega Engineering Inc.,Hartford,CT)から入手できるDP41−S−A型)に接続した。いったんその力が予め決めた限界に達したら逃がし弁を用いて空気をその系から排出してセンサーに掛かった力を低減させた。
力センサーに掛かる抵抗を測定する場合、抵抗対力の応答を対数−対数グラフに描くことができる。ある範囲ではその指数法則の関係を式、抵抗=A/Fn(ただし、Aは定数、Fは力であり、n(「n値」)は対数−対数グラフ上での最良適合線(線形回帰によって求められる)の勾配である)によって与えることができる。このn値はそのセンサーの感度を示す。n値が高いほど、加えた力の所与の変化に対するセンサーの抵抗の変化が大きい。n値が低いほど、加えた力のその同じ変化に対するセンサーの抵抗の変化が小さいことを意味する。
前述のように抵抗対力の応答は対数−対数グラフに描くことができ、最良適合直線を求めることができる。当業界で知られているように線形回帰の適合度(または、当てはまりの良さの尺度)は、R2の値により示すことができる。R2は0.0と1.0の間の分数である。R2が1.0に近いほど適合度は良い。R2が1.0の場合、グラフに描かれたすべての点は少しの散乱もなしに完全に直線上にある。
SMHV16を厚さ175ミクロンの導電性ITO被覆ポリエステルフィルム上にナイフ塗装機を用いて厚さ50ミクロンで塗布した。次いで上記ITO被覆ガラスビーズをこの塗布試料上に粒子分配速度2.5g/分を用いて米国特許出願公開第03/0129302号明細書(チャンバーズ(Chambers)ら)に記載のように分散させた。塗布速度は0.076m/秒に設定した。得られた試料をオーブン中で120℃の空気中で1分間硬化した。次いでこの硬化試料の上にSMHV−9(「PSA層」)を厚さ25ミクロンでナイフ塗装し、ライナーを用いてゴムロールで圧延した。次いでこの試料を最終硬化のために120℃のオーブン中に数分間置いた。
Claims (27)
- (a)導体と、
(b)前記導体上に配置された電気絶縁層中に少なくとも部分的に埋め込まれた導電性粒子を含む複合材料と、
(c)前記複合材料上に配置された感圧接着剤層と
を含み、
前記導電性粒子は、前記導体と第二の導体の間に十分な圧力を掛けたとき前記導体を前記第二の導体に電気的に接続させることができ、
前記導電性粒子は、全く相対的向きを有さず、かつ前記導体と前記第二の導体の間に作り出される実質上すべての電気的接続がz方向であるようになるように配置され、
前記電気絶縁層と前記感圧接着剤層を合わせた厚さは、最大導電性粒子をz方向で測定したときのその最大導電性粒子のサイズよりも大きい、
接着膜。 - 前記導電性粒子は、前記第一および第二の導体間に作り出される実質上すべての電気的接続が単粒子を介するように配置される、請求項1に記載の接着膜。
- 前記導電性粒子は、2個以下の粒子が互いに接するように配置される、請求項2に記載の接着膜。
- いかなる2個の粒子も互いに接していない、請求項3に記載の接着膜。
- 前記導電性粒子が金属を含む、請求項1に記載の接着膜。
- 前記導電性粒子が、導電性被膜を有する殻粒子を含む、請求項1に記載の接着膜。
- 前記殻粒子がガラス粒子を含む、請求項6に記載の接着膜。
- 前記殻粒子が中空粒子を含む、請求項6に記載の接着膜。
- 前記導電性被膜が金属を含む、請求項6に記載の接着膜。
- 前記導電性被膜が導電性酸化物を含む、請求項6に記載の接着膜。
- 前記導電性粒子がほぼ球形である、請求項1に記載の接着膜。
- 前記導電性粒子が繊維である、請求項1に記載の接着膜。
- 前記導体が第二の導体の方へ向かって移動できる、請求項1に記載の接着膜。
- 前記接着膜が剥離ライナー上に形成される、請求項1に記載の接着膜。
- 1または複数個の導電性粒子の表面の少なくとも一部分が、前記電気絶縁層および前記感圧接着剤層を通り抜けて露出している、請求項1に記載の接着膜。
- 前記電気絶縁層および前記感圧接着剤層が、圧力の開放時に実質上それらの元の寸法に戻ることができる、請求項1に記載の接着膜。
- 前記電気絶縁層が、約0℃から約100℃の間でほぼ一定なG’を有する弾性材料を含む、請求項16に記載の接着膜。
- 前記電気絶縁層が、約0℃から約60℃の間でほぼ一定なG’を有する弾性材料を含む、請求項17に記載の接着膜。
- 前記感圧接着剤層が、約0℃から約100℃の間でほぼ一定なG’を有する、請求項16に記載の接着膜。
- 前記感圧接着剤層が、約0℃から約60℃の間でほぼ一定なG’を有する、請求項19に記載の接着膜。
- 前記電気絶縁層が、1Hz、23℃において約1×103Pa/cm2から約9×105Pa/cm2の間のG’および約0.01から約0.60の間の損失正接を有する弾性材料を含む、請求項16に記載の接着膜。
- 前記感圧接着剤層が、1Hz、23℃において約1×103Pa/cm2から約9×105Pa/cm2の間のG’および約0.01から約0.60の間の損失正接を有する、請求項16に記載の接着膜。
- 前記電気絶縁層が自己回復性の弾性材料を含む、請求項16に記載の接着膜。
- 前記感圧接着剤層が自己回復性である、請求項16に記載の接着膜。
- 前記膜の動的な電気的応答を測定するための手段をさらに含む、請求項16に記載の接着膜。
- (a)請求項16に記載の前記接着膜を第二の導体に接着すること、および
(b)前記膜および前記第二の導体を、前記膜の電気的応答を測定するための手段に電気的に接続すること
を含み、
前記導体の少なくとも一方が他方の導体の方へ向かって移動できる、
力検出方法。 - 前記膜に圧力を加えること、および前記膜の電気的性質の変化を測定することをさらに含む、請求項26に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/021,913 US7468199B2 (en) | 2004-12-23 | 2004-12-23 | Adhesive membrane for force switches and sensors |
PCT/US2005/042656 WO2006071417A1 (en) | 2004-12-23 | 2005-11-23 | Adhesive membrane for force switches and sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008525579A true JP2008525579A (ja) | 2008-07-17 |
JP2008525579A5 JP2008525579A5 (ja) | 2009-01-15 |
Family
ID=36090971
Family Applications (1)
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JP2007548238A Pending JP2008525579A (ja) | 2004-12-23 | 2005-11-23 | 力スイッチおよびセンサー用の接着膜 |
Country Status (13)
Country | Link |
---|---|
US (1) | US7468199B2 (ja) |
EP (1) | EP1829069B1 (ja) |
JP (1) | JP2008525579A (ja) |
KR (1) | KR20070095969A (ja) |
CN (1) | CN101088134B (ja) |
AT (1) | ATE415689T1 (ja) |
AU (1) | AU2005322475A1 (ja) |
BR (1) | BRPI0519625A2 (ja) |
CA (1) | CA2590846A1 (ja) |
DE (1) | DE602005011334D1 (ja) |
MX (1) | MX2007007551A (ja) |
TW (1) | TW200628312A (ja) |
WO (1) | WO2006071417A1 (ja) |
Cited By (1)
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KR20150061580A (ko) | 2013-11-27 | 2015-06-04 | 닛토덴코 가부시키가이샤 | 도전성 점착 테이프, 전자 부재 및 점착제 |
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Also Published As
Publication number | Publication date |
---|---|
ATE415689T1 (de) | 2008-12-15 |
WO2006071417A1 (en) | 2006-07-06 |
EP1829069A1 (en) | 2007-09-05 |
US20060141192A1 (en) | 2006-06-29 |
MX2007007551A (es) | 2007-08-14 |
DE602005011334D1 (de) | 2009-01-08 |
AU2005322475A1 (en) | 2006-07-06 |
CN101088134B (zh) | 2012-02-15 |
KR20070095969A (ko) | 2007-10-01 |
TW200628312A (en) | 2006-08-16 |
CN101088134A (zh) | 2007-12-12 |
US7468199B2 (en) | 2008-12-23 |
CA2590846A1 (en) | 2006-07-06 |
BRPI0519625A2 (pt) | 2009-02-25 |
EP1829069B1 (en) | 2008-11-26 |
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