JP2016503490A - 遮蔽層を有するナノワイヤセンサを備えた集積回路、センシング装置、測定方法、及び製造方法 - Google Patents
遮蔽層を有するナノワイヤセンサを備えた集積回路、センシング装置、測定方法、及び製造方法 Download PDFInfo
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Abstract
Description
気体の存在を検出あるいは決定するための同様の構成が、米国特許出願公開第2011/0147802号、米国特許出願公開第2006/0263255号、米国特許出願公開第2006/0270053号、米国特許出願公開第2006/0078468号、国際公開第2010/120297号、及びMoh T.S.Y.等の“Silicon nanowire FET Arrays for Real Time Detection of Chemical Activation of Cells”(2012年)に見い出され得る。
Claims (15)
- 基板と、
前記基板の上の絶縁層と、
前記絶縁層上の第1のナノワイヤ素子及び第2のナノワイヤ素子と
を有し、
前記第1のナノワイヤ素子は、被分析物を潜在的に含む媒体に露出されるように構成され、前記第2のナノワイヤ素子は、前記第2のナノワイヤ素子の上の遮蔽層によって前記媒体から遮蔽されるように構成される、
集積回路。 - 前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子の各々が、酸化物の膜によって覆われており、前記遮蔽層は前記酸化物の膜の上に配置されている、請求項1に記載の集積回路。
- 前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子のそれぞれの信号を処理する信号処理回路、を更に有する請求項1又は2に記載の集積回路。
- 前記信号処理回路は、前記第1のナノワイヤ素子の信号から前記第2のナノワイヤ素子の信号を差し引くように構成された差分器を有する、請求項3に記載の集積回路。
- 前記第1のナノワイヤ素子を有する第1のトランジスタと、前記第2のナノワイヤ素子を有する第2のトランジスタとを更に有する請求項1乃至4の何れかに記載の集積回路。
- 当該集積回路は更にトランジスタのアレイを有し、各トランジスタが、ソース電極とドレイン電極との間に延在するナノワイヤを有し、前記アレイは前記第1のトランジスタ及び前記第2のトランジスタを含む、請求項5に記載の集積回路。
- 前記基板は、前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子にバイアス電圧を供給するように構成された半導体基板である、請求項1乃至6の何れかに記載の集積回路。
- 前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子は各々、シリコンナノワイヤを有し、あるいはシリコンナノワイヤで構成されている、請求項1乃至7の何れかに記載の集積回路。
- 前記遮蔽層は、前記第2のナノワイヤ素子が前記媒体に反応しないことを確保する厚さを有する、請求項1乃至8の何れかに記載の集積回路。
- 前記遮蔽層は、酸化物層若しくは窒化物層などの誘電体層、又はポリイミド層若しくはパリレン層などのポリマー層を有する、請求項1乃至9の何れかに記載の集積回路。
- 流路と、請求項1乃至10の何れかに記載の集積回路とを有し、
前記流路内の媒体の流れ方向に関して前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子が互いに隣り合うように、前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子が前記流路内に配置される、
センシング装置。 - 媒体内の関心ある被分析物を測定する方法であって、
請求項1乃至10の何れかに記載の集積回路を用意し、
前記第1のナノワイヤ素子及び第2のナノワイヤ素子の上に、流れ方向に関して前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子が互いに隣り合うことになる方向に前記媒体を流し、
前記第1のナノワイヤ素子からの第1ナノワイヤ素子信号と前記第2のナノワイヤ素子からの第2ナノワイヤ素子信号とを同時に捕捉し、且つ
前記第2ナノワイヤ素子信号と前記第1ナノワイヤ素子信号との間の差から被分析物測定結果を取得する、
ことを有する方法。 - 前記第1のナノワイヤ素子からの第1ナノワイヤ素子信号と前記第2のナノワイヤ素子からの第2ナノワイヤ素子信号とを同時に捕捉するステップは、前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子を交流電流で駆動することを有し、
前記第2ナノワイヤ素子信号と前記第1ナノワイヤ素子信号との間の差から被分析物測定結果を取得するステップは、前記交流電流に対する、前記第1のナノワイヤ素子の複素インピーダンス応答及び前記第2のナノワイヤ素子の複素インピーダンス応答を測定することを有する、
請求項12に記載の方法。 - 集積回路を製造する方法であって、
基板と、該基板の上の絶縁層と、該絶縁層の上の半導体層とを用意し、
前記半導体層をパターニングして、第1のナノワイヤ素子と、該第1のナノワイヤ素子に隣り合う第2のナノワイヤ素子とを、前記絶縁層の上に形成し、且つ
前記第2のナノワイヤ素子のみを覆って遮蔽層を堆積する、
ことを有する方法。 - 前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子は各々、ソース領域からドレイン領域まで延在し、当該方法は更に、前記遮蔽層を堆積することに先立って、前記第1のナノワイヤ素子及び前記第2のナノワイヤ素子の各々を覆って酸化物の膜を形成することを有する、請求項14に記載の方法。
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US201261714379P | 2012-10-16 | 2012-10-16 | |
US61/714,379 | 2012-10-16 | ||
PCT/IB2013/059379 WO2014060954A1 (en) | 2012-10-16 | 2013-10-16 | Integrated circuit with nanowire sensors comprising a shielding layer, sensing apparatus, measuring method and manufacturing method |
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EP3332033B1 (en) * | 2015-08-06 | 2021-04-21 | Pacific Biosciences of California, Inc. | Single-molecule nanofet sequencing systems and methods |
US10197526B2 (en) | 2015-09-03 | 2019-02-05 | Honeywell International Inc. | FET and fiber based sensor |
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WO2014060954A1 (en) | 2014-04-24 |
BR112015008207A2 (pt) | 2017-07-04 |
JP6383358B2 (ja) | 2018-08-29 |
EP2909615A1 (en) | 2015-08-26 |
CN104854448B (zh) | 2017-07-14 |
CN104854448A (zh) | 2015-08-19 |
US9423375B2 (en) | 2016-08-23 |
BR112015008207B1 (pt) | 2022-04-26 |
US20150293054A1 (en) | 2015-10-15 |
RU2015118120A (ru) | 2016-12-10 |
RU2638125C2 (ru) | 2017-12-11 |
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