JP7331141B2 - 静電気放電緩和チューブセグメントおよび静電気放電緩和チューブセグメントを含む流体回路 - Google Patents
静電気放電緩和チューブセグメントおよび静電気放電緩和チューブセグメントを含む流体回路 Download PDFInfo
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- JP7331141B2 JP7331141B2 JP2021569469A JP2021569469A JP7331141B2 JP 7331141 B2 JP7331141 B2 JP 7331141B2 JP 2021569469 A JP2021569469 A JP 2021569469A JP 2021569469 A JP2021569469 A JP 2021569469A JP 7331141 B2 JP7331141 B2 JP 7331141B2
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Description
いくつかの実施形態では、非導電性ポリマーはフルオロポリマーであり、導電性ポリマーは導電性パーフルオロポリマーである。
いくつかの実施形態では、多孔質の非導電性ポリマー内面は非導電性ポリマーチューブであり、導電性ポリマーは、非導電性ポリマーチューブの内面と外面との間に配置された導電性ポリマーの1つまたは複数のストライプを含み、1つまたは複数のストライプは非導電性ポリマーチューブを通過する帯電流体から静電気をアースに移動させる。特定の実施形態では、静電気放電緩和チューブは、導電性ポリマーの1つまたは複数のストライプと電荷移動接触する導電性ポリマーの外層を含む。これらの実施形態では、ストライプは、線形軸方向ストライプ、非線形軸方向ストライプ、渦巻状ストライプ、螺旋状ストライプ、または他の形状であってもよい。これらの実施形態では、導電性ストライプは導電性フルオロポリマーストライプである。
本開示に含まれる図面は、本開示の実施形態を例示するものであり、説明とともに、本開示の原理を説明する役割を果たすものである。図面は、特定の実施形態を例示するだけであり、開示を限定するものではない。
静電気放電緩和チューブ
本開示におけるチューブセグメントは、通常、流体を収容または輸送するのに適した任意の可撓性または非可撓性のパイプやチューブを指す。様々な実施形態によれば、チューブセグメントは導電性であり、流体回路内の各チューブセグメントの長さに沿って導電性経路を提供する。導電性チューブは、特定の金属を含む材料で構成されていてもよく、本明細書で充填ポリマーと称する導電性材料を充填したポリマー材料、または本質的に導電性のポリマー(ICP)で構成されていてもよい。充填ポリマーには、鋼線、アルミニウムフレーク、ニッケル被覆グラファイト、炭素繊維、炭素粉末、カーボンナノチューブなどの固体導電材料が充填されたポリマーが含まれるが、これらに限定されない。
流体回路および処理システム
図6は、本開示の様々な実施形態に従って本明細書に記載されている、静電気放電緩和チューブセグメント10、20、30、40、50のいずれか1つを組み込んだ流体処理システムの概略図である。図6は、本開示の1つまたは複数の実施形態による流体処理システム150を示している。システム150は、流体供給源152からその下流に配置された1つまたは複数の処理工程156に流体を流すための流路を提供する。流体処理システム150は、その流路の一部を含む流体回路160を含む。流体回路160は、チューブセグメント164と、チューブセグメント164を介して相互接続された複数の動作可能な構成要素168とを含む。図6では、動作可能な構成要素168は、エルボー形状の継手(fitting)170、T字形の継手172、バルブ174、フィルター176、フローセンサ178、および同径継手(straight fitting)179を含む。しかしながら、様々な実施形態において、流体回路160は、数および種類において追加のまたはより少ない動作可能な構成要素168を含むことができる。例えば、流体回路160は、ポンプ、ミキサー、ディスペンスヘッド、噴霧器ノズル、圧力調整器、流量制御器、脱気装置、精製器、または他の種類の動作可能な構成要素を代替するか、または追加的に含むことができる。
動作可能な構成要素
本開示における動作可能な構成要素は、流体入力部および流体出力部を有し、流体の流れを方向付けまたは提供するためにチューブに接続する任意の構成要素または装置を指す。動作可能な構成要素の例には、継手(fitting)、バルブ、フィルター、熱交換器、センサー、ポンプ、ミキサー、噴霧器ノズル、精製器、脱気装置、および分注器(dispense head)が含まれるが、これらに限定されない。これらおよび追加の非限定的な動作可能な構成要素の例は、例えば、米国特許第5672832号、同第5678435号、同第5869766号、同第6412832号(特許文献3)、同第6601879号(特許文献4)、同第6595240号、同第6612175号、同第6652008号、同第6758104号(特許文献5)、同第6789781号、同第7063304号、同第7308932号、同第7383967号、同第8561855号、同第8689817号、および同第8726935号に例示されており、これらの文献は、そこに含まれる明示的な定義または特許請求項を除いて、参照により本明細書に組み込まれる。
図9は、本明細書に記載した様々な実施形態による、静電気放電緩和チューブセグメントを使用するバルブ構成要素900の斜視図である。動作可能な構成要素900は、本体部分902、チューブコネクタ継手、および継手ナット904を含む。1つまたは複数の実施形態では、動作可能な構成要素900は、本体部分に動作可能なバルブ要素906をさらに含む。動作可能な構成要素900は、様々な実施形態において、動作可能な構成要素900を構成して様々な動作を行うための適切な構造、電子機器、または他の材料を広範に含む。
Claims (4)
- 静電気放電緩和チューブセグメントであって、
多孔質の非導電性内面および導電性部分を含み、
隣接する導電性部分は、静電気放電を緩和できるように、静電気放電緩和チューブセグメントを通過する帯電流体によって発生する静電荷をアースに移動させるように構成されており、
前記多孔質の非導電性内面が非導電性ポリマー部分によって画定され、前記導電性部分が、非導電性ポリマー部分の外面に隣接しかつ接触して配置された導電性ポリマーの1つまたは複数のストライプを含み、導電性ポリマーの1つまたは複数のストライプが、静電気放電緩和チューブセグメントの長手軸に沿った方向において該チューブセグメントの長さに沿って延びている、静電気放電緩和チューブセグメント。 - 前記多孔質の非導電性内面が、発泡層、有孔層、開口を含む層、または電荷移動導管を含む層である、請求項1に記載の静電気放電緩和チューブセグメント。
- 外側層をさらに含む、請求項1または2に記載の静電気放電緩和チューブセグメント。
- 少なくとも1つの入口および少なくとも1つの出口を有する所定の流体流通路用の流体回路であって、流体回路は、
請求項1~3のいずれか一項に記載の複数の静電気放電緩和チューブセグメントおよび複数の動作可能な構成要素を含み、各動作可能な構成要素は、内部流体流通路を有する本体部分と、複数のチューブコネクタ継手とを備え、動作可能な構成要素は、選択されたチューブコネクタ継手で複数の静電気放電緩和チューブセグメントを接続し、複数の静電気放電緩和チューブセグメントおよび複数の動作可能な構成要素は、流体回路を通る内部流体流通路を提供し、
各静電気放電緩和チューブセグメントは、i)内部流体流通路を画定する非導電性部分、およびii)軸方向に延びて各静電気放電緩和チューブセグメントの端部に達する導電性フルオロポリマーの1つまたは複数の導電性部分を含み、
各動作可能な構成要素の本体部分は、複数のチューブコネクタ継手のそれぞれの間に延在する導電性フルオロポリマーを含み、
複数のチューブコネクタ継手のそれぞれは、本体部分の各導体を静電気放電緩和チューブセグメントの前記導電性ポリマーの1つまたは複数のストライプに導電的に接続する、流体回路。
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PCT/US2020/032417 WO2020236454A1 (en) | 2019-05-23 | 2020-05-12 | Electrostatic discharge mitigation tubing |
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US11646183B2 (en) * | 2020-03-20 | 2023-05-09 | Applied Materials, Inc. | Substrate support assembly with arc resistant coolant conduit |
KR20230148372A (ko) * | 2021-03-04 | 2023-10-24 | 어플라이드 머티어리얼스, 인코포레이티드 | 화학적 기계적 연마에서의 절연된 유체 라인들 |
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US20220221086A1 (en) | 2022-07-14 |
KR20210157913A (ko) | 2021-12-29 |
TW202103187A (zh) | 2021-01-16 |
KR20240095292A (ko) | 2024-06-25 |
EP3973216A4 (en) | 2023-01-04 |
CN114026963A (zh) | 2022-02-08 |
WO2020236454A1 (en) | 2020-11-26 |
US12135108B2 (en) | 2024-11-05 |
TWI740509B (zh) | 2021-09-21 |
KR102670711B1 (ko) | 2024-05-31 |
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