JP4695655B2 - 難燃性emi遮蔽ガスケット - Google Patents
難燃性emi遮蔽ガスケット Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
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- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
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Description
発明の詳細な説明
どんな限定的目的のためよりも便宜のために、以下の説明中に特定の用語を使用することができる。例えば、用語「前方に」、「後方に」、「右側」、「左側」、「上方」及び「下方」は言及される図面中の方向を表わし、「内部に(inward)」、「内側の(interior)」,[内部の(inner)」又は「内側の(inboard)」及び「外向きの(outward)」、「外側の(exterior)」、「外側の(outer)」又は「外向きの(outboard)」はそれぞれ、言及される要素の中心に向かうそしてそれから遠ざかる方向をあらわし、そして用語「半径方向」又は「水平方向」及び「軸方向」又は「垂直」はそれぞれ、言及される要素の中心の縦軸に対して垂直及び平行な方向、軸、面を表わす。前記に特記された用語以外の類似の意味の用語も同様に、どんな限定的意味でもなくむしろ便宜の目的のために使用されていると考えるべきである。更に、用語「EMI遮蔽」は電磁適合性(electromagnetic compatibility;EMC)、電気伝導性及び/又は接地、静電遮蔽、ラジオ周波妨害(RFI)遮蔽及び帯電防止の、すなわち静電放電(ESD)遮蔽を包含し、そしてそれらと互換性に使用されることを理解しなければならない。用語「難燃性(flame retardant)」及び「難燃性(fire retardant)」もまた互換性に使用することができる。
Claims (23)
- 外表面を有し、コアがエラストマーのポリマー材料で形成されている弾力性コア部材、
コア部材の外表面を囲む電気伝導性布地部材、ここで布地部材はコア部材の外表面に面して配置された内表面及び反対側に面する外表面を有し、そして布地部材は第1の縁及び第2の縁を有する、並びに
布地部材の内表面とコア部材の外表面の間に挟まれた、硬化された、熱硬化性難燃性フィルム接着剤の層、
を含んでなり、
ガスケットが、
布地部材の第2の縁が第1の縁に接合して、それらの間に継ぎ目を形成し、ここで継ぎ目はコア部材の少なくとも一部に沿って延伸する、そして
上記層が、ガスケットに「アンダーライター実験室(UL)基準第94項」下でV−0の燃焼等級評価を与えるために有効に、コア部材に対して継ぎ目の少なくとも一部に沿って布地部材の第1及び第2の縁を接着する、ことを特徴とする、
難燃性の電磁障害(EMI)遮蔽ガスケット。 - フィルム接着剤層が約1〜10mils(25.4〜254μm)間の厚さを有する、請求項1のガスケット。
- フィルム接着剤層がポリエステル又はコポリエステル樹脂を含んでなる、請求項1のガスケット。
- 布地部材が金属メッキ布である、請求項1のガスケット。
- 布が木綿、羊毛、絹、セルロース、ポリエステル、ポリアミド、ナイロン及びそれらの組み合わせ物からなる群から選択される繊維を含んでなり、そして金属が銅、ニッケル、銀、ニッケルメッキ銀、アルミニウム、錫及びそれらの組み合わせ物からなる群から選択される、請求項4のガスケット。
- エラストマーのポリマー材料がポリエチレン、ポリプロピレン、ポリプロピレン−EPDMブレンド、ブタジエン、スチレン−ブタジエン、ニトリル、クロロスルホネート、ネオプレン、ウレタン、シリコーン、ポリオレフィン樹脂/モノオレフィンコポリマーブレン並びにそれらのコポリマー、ブレンド及び組み合わせ物からなる群から選択される、請求項1のガスケット。
- エラストマーのポリマー材料が発泡体である、請求項6のガスケット。
- 布地部材が約2〜4mils(50.8〜101.6μm)間の厚さを有する、請求項1のガスケット。
- フィルム接着剤層が欧州連合指針(European Union Directive)2002/95/EC、「電気及び電子機器中への特定の危険物質の使用上の制限(RoHS)」に準拠する、請求項1のガスケット。
- フィルム接着剤層が有効量の1種又は複数の難燃性添加剤を含んでなる、請求項1のガスケット。
- 1種又は複数の難燃性添加剤がアルミニウム水和物、三酸化アンチモン、リン酸エステル及びハロゲン化合物からなる群から選択される、請求項10のガスケット。
- 電磁障害(EMI)遮蔽ガスケット構造物に難燃性を付与する方法、ここでガスケットは、外表面を有しそしてエラストマーのポリマー材料で形成されている弾力性コア部材及びコア部材の外表面を囲む電気伝導性布地部材を含んでなり、ここで布地部材はコア部材の外表面に面するように配置された内表面及び反対側に面する外表面を有し、そして布地部材は第1の縁及び第2の縁を有する、であって、
布地部材の内表面とコア部材の外表面の間に、硬化された、熱硬化性難燃性フィルム接着剤の層を挟む段階を含んでなり、
ここで該方法は、布地部材の第2の縁が第1の縁に接合して、それらの間に、コア部材の少なくとも一部に沿って延伸する継ぎ目を形成し、そして
接着剤層が布地部材の第1及び第2の縁をコア部材に対し継ぎ目の少なくとも一部に沿って接着する、ことを特徴とする、
方法。 - ガスケットがアンダーライター実験室(UL)基準第94項下のV−0の燃焼等級評価を示す、請求項12の方法。
- フィルム接着剤層が約1〜10mils(25.4〜254μm)間の厚さを有する、請求項12の方法。
- フィルム接着剤層がポリエステル又はコポリエステル樹脂を含んでなる、請求項12の方法。
- 布地部材が金属メッキ布である、請求項12の方法。
- 布が木綿、羊毛、絹、セルロース、ポリエステル、ポリアミド、ナイロン及びそれらの組み合わせ物からなる群から選択される繊維を含んでなり、そして金属が銅、ニッケル、銀、ニッケルメッキ銀、アルミニウム、錫及びそれらの組み合わせ物からなる群から選択される、請求項16の方法。
- エラストマーのポリマー材料がポリエチレン、ポリプロピレン、ポリプロピレン−EPDMブレンド、ブタジエン、スチレン−ブタジエン、ニトリル、クロロスルホネート、ネオプレン、ウレタン、シリコーン、ポリオレフィン樹脂/モノオレフィンコポリマーブレンド並びにそれらのコポリマー、ブレンド及びに組み合わせ物からなる群から選択される、請求項12の方法。
- エラストマーのポリマー材料が発泡体である、請求項18の方法。
- 布地部材が約2〜4mils(50.8〜101.6μm)の間の厚さを有する、請求項12の方法。
- フィルム接着層が欧州連合指針(European Union Directive)2002/95/EC、「電気及び電子機器中の特定の危険物質の使用上の制限(RoHS)」に準拠する、請求項12の方法。
- フィルム接着剤層が有効量の1種又は複数の難燃性添加剤を含んでなる、請求項12の方法。
- 1種又は複数の難燃性添加剤がアルミニウム水和物、三酸化アンチモン、リン酸エステル及びハロゲン化合物からなる群から選択される、請求項22の方法。
Applications Claiming Priority (3)
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US65339505P | 2005-02-16 | 2005-02-16 | |
US60/653,395 | 2005-02-16 | ||
PCT/US2006/000252 WO2006088565A2 (en) | 2005-02-16 | 2006-01-05 | Flame retardant emi shielding gasket |
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JP2008530818A JP2008530818A (ja) | 2008-08-07 |
JP4695655B2 true JP4695655B2 (ja) | 2011-06-08 |
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EP (1) | EP1849340B1 (ja) |
JP (1) | JP4695655B2 (ja) |
KR (1) | KR101318816B1 (ja) |
CN (1) | CN101120629A (ja) |
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WO (1) | WO2006088565A2 (ja) |
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- 2006-01-05 WO PCT/US2006/000252 patent/WO2006088565A2/en active Application Filing
- 2006-01-05 US US11/326,558 patent/US20060180348A1/en not_active Abandoned
- 2006-01-05 CN CNA2006800051990A patent/CN101120629A/zh active Pending
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KR101318816B1 (ko) | 2013-10-16 |
WO2006088565A3 (en) | 2007-03-29 |
CN101120629A (zh) | 2008-02-06 |
JP2008530818A (ja) | 2008-08-07 |
WO2006088565A2 (en) | 2006-08-24 |
EP1849340A2 (en) | 2007-10-31 |
DE602006002805D1 (de) | 2008-10-30 |
EP1849340B1 (en) | 2008-09-17 |
US20060180348A1 (en) | 2006-08-17 |
KR20070105336A (ko) | 2007-10-30 |
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