JP6689432B2 - 横方向/垂直方向トランジスタ構造を含むマイクロ流体デバイスならびにそれを作製および使用するプロセス - Google Patents
横方向/垂直方向トランジスタ構造を含むマイクロ流体デバイスならびにそれを作製および使用するプロセス Download PDFInfo
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Description
本明細書は、本発明の例示的な実施形態および使用を記載する。しかしながら、本発明は、これらの例示的な実施形態および使用に限定されず、また、それらの例示的な実施形態および使用は、本明細書において機能するまたは記載される態様にも限定されない。さらに、図面は、単純化されたまたは部分的な図を示す場合があり、図中の要素の寸法は誇張されているか、または比例していない場合がある。加えて、用語「〜上に」、「〜に取り付けられている」、「〜に接続されている」、「〜に結合されている」または類似の語が本明細書で使用されている場合、一方の要素(例えば、材料、層、基板等)は、一方の要素が直接的に他の要素の上にあるか、それに取り付けられているか、それに接続されているか、またはそれに結合されているか、あるいは一方の要素と他方の要素との間に1つまたは複数の介在要素が存在しているかにかかわらず、他方の要素「上に」あるか、それに「取り付けられている」か、それに「接続されている」か、またはそれに「結合されている」ことができる。同じく、方向(例えば、上方、下方、頂部、底部、横、上、下、〜の下、〜の上、上部、下部、水平、垂直、「x」、「y」、「z」等)は、提示されている場合、相対的なものであり、限定としてではなく単に例として、説明および考察を容易にするために提示される。加えて、要素の列記(例えば、要素a、b、c)に言及する場合、そのような言及は、列記された要素のうちのいずれか1つを単独で、列記された要素の全て未満のあらゆる組合せを、および/または列記された要素の全ての組み合わせを含むことを意図している。
Claims (38)
- マイクロ流体デバイスであって、
マイクロ流体構造とベース部分とを有するエンクロージャを含み、
前記ベース部分は、共通の電気導体を含み、
前記マイクロ流体構造および前記ベース部分の外面は、前記エンクロージャ内の流路を共に画定し、
前記ベース部分は、トランジスタ構造のアレイを含み、前記アレイ中のそれぞれの前記トランジスタ構造は、前記ベース部分の前記外面の対応する領域を前記共通の電気導体に接続する横方向バイポーラトランジスタを含み、
前記アレイ中のそれぞれの前記トランジスタ構造は、前記ベース部分の前記外面の前記対応する領域を接続する垂直方向バイポーラトランジスタをさらに含む、マイクロ流体デバイス。 - 前記アレイ中のそれぞれの前記トランジスタ構造は、トレンチによって前記アレイ中の他のトランジスタ構造から物理的に分離されている、請求項1に記載のマイクロ流体デバイス。
- 前記共通の電気導体は、トランジスタ構造の前記アレイが載置されるN+半導体基板を含む、請求項1に記載のマイクロ流体デバイス。
- 前記N+半導体基板は、アンチモン、ヒ素およびリンからなる群から選択されるドーパントを含む、請求項3に記載のマイクロ流体デバイス。
- 前記N+シリコン基板は、約0.025オームcm〜約0.050オームcmの抵抗率を有する、請求項3に記載のマイクロ流体デバイス。
- 前記アレイの前記トランジスタ構造のピッチは、約1000nm〜約20,000nmである、請求項1に記載のマイクロ流体デバイス。
- 前記アレイの前記トランジスタ構造のピッチは、約8000nm〜約12,000nmである、請求項1に記載のマイクロ流体デバイス。
- 前記アレイの前記トランジスタ構造のピッチは、約5000nm〜約10,000nmである、請求項1に記載のマイクロ流体デバイス。
- 前記トレンチの垂直深さは、前記コレクタ、ベースおよびエミッタ領域の合計垂直深さよりも少なくとも10%大きい、請求項2に記載のマイクロ流体デバイス。
- 前記トレンチの垂直深さは、約2,000nm〜約11,000nmである、請求項2に記載のマイクロ流体デバイス。
- 前記トレンチの横方向の幅は、約100nm〜約1000nmである、請求項2に記載のマイクロ流体デバイス。
- 前記トレンチ内に配置された電気絶縁性材料をさらに含む、請求項2に記載のマイクロ流体デバイス。
- 前記マイクロ流体構造および前記ベース部分は、共に保持用囲いをさらに画定する、請求項1に記載のマイクロ流体デバイス。
- 前記保持用囲いは、前記流路に接続される、請求項13に記載のマイクロ流体デバイス。
- 前記マイクロ流体構造および前記ベース部分は、複数の相互接続された流体構造を共に画定し、および
前記流路は、前記流体構造の1つである、請求項1に記載のマイクロ流体デバイス。 - 前記流路は、流体チャネルを含む、請求項1に記載のマイクロ流体デバイス。
- 前記アレイの前記トランジスタ構造は、前記ベース部分の前記外面の異なる領域を前記共通の電気導体に接続し、および
前記ベース部分の前記外面の前記領域は、前記流路内の流体媒体と直接接触するように配置される、請求項1に記載のマイクロ流体デバイス。 - バイアス電極をさらに含み、前記流路は、前記バイアス電極と前記ベース部分の前記共通の電気導体との間に配置される、請求項17に記載のマイクロ流体デバイス。
- 前記ベース部分は、第1のセクションと、前記第1のセクションから電気的に絶縁された第2のセクションとを含み、
トランジスタ構造の前記アレイは、前記第1のセクション内の前記トランジスタ構造の第1のアレイであり、前記ベース部分は、前記第2のセクション内の前記トランジスタ構造の第2のアレイを含み、
前記共通の電気導体は、前記第1のセクションの前記トランジスタ構造に共通であるが、前記第2のセクションの前記トランジスタ構造に共通でない第1の共通の導体であり、および
前記ベース部分は、前記第2のセクションの前記トランジスタ構造に共通であるが、前記第1のセクションの前記トランジスタ構造に共通でない第2の共通の導体をさらに含む、請求項1に記載のマイクロ流体デバイス。 - 第1のマイクロ流体デバイスと、
第2のマイクロ流体デバイスと
を含むマイクロ流体装置であって、
前記第1および第2のマイクロ流体デバイスのそれぞれは、請求項1に記載のマイクロ流体デバイスに従って構成され、
前記第1のマイクロ流体デバイスの前記エンクロージャは、前記第2のマイクロ流体デバイスの前記エンクロージャから分離され、区別され、
前記第1のマイクロ流体デバイスの前記共通の電気導体および前記第2のマイクロ流体デバイスの前記共通の電気導体は、電気的に接続されて、前記第1のマイクロ流体デバイスおよび前記第2のマイクロ流体デバイスに共通の電気導体を構成する、マイクロ流体装置。 - 請求項1ないし19のいずれか一項に記載のマイクロ流体デバイス、および前記マイクロ流体デバイスの作動を制御するための制御機器を含む、システム。
- 前記制御機器は、前記流路内の流体媒体の流れを制御するための流れ制御器を含む、請求項21に記載のシステム。
- 前記制御機器は、光源と、空間光変調器と、選択されたパターンの光を前記エンクロージャに向けるための光路とを含む、請求項21に記載のシステム。
- 前記制御機器は、前記エンクロージャ内の画像をキャプチャするための光学デバイスを含む、請求項21に記載のシステム。
- 前記制御機器は、前記マイクロ流体デバイスの作動を制御するためのプロセッサを含む、請求項21に記載のシステム。
- 請求項18に記載のマイクロ流体デバイス内の流体媒体中の微小物体を移動させる方法であって、
前記バイアス電極および前記ベース部分の前記共通の電気導体にバイアス電力を提供すること、および、
前記ベース部分の前記外面の前記領域のうちの第1の領域で前記トランジスタ構造のうちの第1のトランジスタ構造を活性化すること
を含み、
前記活性化することは、前記活性化された第1のトランジスタ構造の近くで、前記流路内の近くの微小物体を移動させるのに十分な界面動電力を生成する、方法。 - 前記活性化することは、前記第1のトランジスタ構造の前記横方向バイポーラトランジスタ内に第1の電流を誘起し、前記第1の電流は、前記活性化された第1のトランジスタ構造と前記バイアス電極との間で前記流路内に不均一電界を誘起し、前記不均一電界は、前記界面動電力を生成する、請求項26に記載の方法。
- 前記界面動電力は、前記近くの微小物体を前記不均一電界から弾き飛ばす、請求項27に記載の方法。
- 前記界面動電力は、前記活性化された第1のトランジスタ構造に対応する前記ベース部分の前記外面の前記第1の領域から離れる方に前記近くの微小物体を移動させる、請求項26に記載の方法。
- 前記活性化することは、前記活性化された第1のトランジスタ構造の前記垂直方向トランジスタ内に第2の電流も誘起し、前記第2の電流は、前記界面動電力を高める、請求項27に記載の方法。
- 前記第2の電流は、前記界面動電力の大きさを少なくとも25%だけ増大する、請求項30に記載の方法。
- 前記横方向トランジスタ内の前記第1の電流の電流密度は、前記活性化された第1のトランジスタ構造の前記垂直方向トランジスタ内の前記第2の電流の電流密度よりも少なくとも1.5倍大きい、請求項30に記載の方法。
- 前記活性化することは、前記第1のトランジスタ構造の前記ベース領域上に光ビームを向けることを含む、請求項26から32のいずれか一項に記載の方法。
- 前記微小物体は、生物学的細胞である、請求項26から32のいずれか一項に記載の方法。
- 前記マイクロ流体デバイスの前記流路内の前記流体媒体は、約10mS/m〜約2S/mの導電率を有する、請求項26から32のいずれか一項に記載の方法。
- 前記提供することは、約1Vppk〜約50Vppkのピークツーピーク電圧を有するバイアス電力を提供することを含む、請求項26から32のいずれか一項に記載の方法。
- 前記提供することは、約100kHz〜約10MHzの周波数でバイアス電力を提供することを含む、請求項26から32のいずれか一項に記載の方法。
- 前記光ビームは、約0.1W/cm2〜約1000W/cm2の強度を有する、請求項33に記載の方法。
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