JP2012222360A - Iii−v族トランジスタとiv族横型トランジスタを含む積層複合デバイス - Google Patents
Iii−v族トランジスタとiv族横型トランジスタを含む積層複合デバイス Download PDFInfo
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Abstract
【解決手段】積層複合デバイスはIV族横型トランジスタ120と、IV族横型トランジスタの上に積層されたIII−V族トランジスタ110とを備える。IV族横型トランジスタのドレインがIII−V族トランジスタのソースと接触され、IV族横型トランジスタのソースがIII−V族トランジスタのゲート116に結合されて前記複合デバイスパッケージの上面の複合ソース102を与え、III−V族トランジスタのドレインが複合デバイスパッケージの上面の複合ドレイン104を与える。IV族横型トランジスタのゲート126が積層複合デバイスの上面の複合ゲート106を与え、IV族横型トランジスタの基板が積層複合デバイスの底面にある。
【選択図】図1
Description
本明細書で使用される、用語「III−V族」は少なくとも一つのIII族元素と少なくとも一つのV族元素を含む化合物半導体を言う。例えば、III−V族半導体は、III−窒化物半導体の形を取り得る。「III−窒化物」又は「III−N」は窒素とアルミニウム(Al)、ガリウム(Ga)、インジウム(In)及びボロン(B)などの少なくとも一つのIII族元素を含む化合物半導体を言い、これらに限定されないが、例えば窒化アルミニウムガリウム(AlxGa(1-x)N、窒化インジウムガリウムInyGa(1-y)N、窒化アルミニウムインジウムガリウムAlxInyGa(1-x-y)N、窒化ガリウム砒化リン化窒化物(GaAsaPbN(1-a-b))、砒化リン化窒化アルミニウムインジウムガリウム(AlxInyGa(1-x-y)AsaPbN(1-a-b))などの合金を含む。また、III―窒化物は一般に、これらに限定されないが、Ga極性、N極性、半極性又は無極性の結晶方位を含む任意の極性に関連する。また、III−窒化物材料はウルツ鉱、閃亜鉛鉱又は混晶ポリタイプも含み、単結晶、単結晶構造、多結晶構造又は非晶質構造を含み得る。
高電力及び高性能回路の用途には、多くの場合、砒化ガリウム(GaN)電界効果トランジスタ(FET)及び高移動度電子トランジスタ(HEMT)などのIII−窒化物トランジスタが高い効率及び高電圧動作のために望ましい。更に、高性能の複合スイッチングデバイスを生成するために、多くの場合、このようなIII−窒化物トランジスタはシリコンFETなどの他のFETと組み合わせるのが望ましい。
Claims (20)
- 複合ドレイン、複合ソース及び複合ゲートを有する積層複合デバイスであって、前記積層複合デバイスは、
IV族横型トランジスタと、
前記IV族横型トランジスタの上に積層されたIII−V族トランジスタを備え、
前記IV族横型トランジスタの上面のドレインが前記III−V族トランジスタのソースと接触され、
前記IV族横型トランジスタのソースが前記積層複合デバイスの上面の前記複合ソースを与えるために前記III−V族トランジスタのゲートに結合され、
前記III−V族トランジスタのドレインが前記積層複合デバイスの前記上面の前記複合ドレインを与え、
前記IV族縦トランジスタのゲートが前記積層複合デバイスの前記上面の前記複合ゲートを与え、
前記IV族横型トランジスタの基板が前記積層複合デバイスの底面にある、
積層複合デバイス。 - 前記III−V族トランジスタがノーマリオンデバイスであり、前記積層複合デバイスがノーマリオフデバイスである、請求項1記載の積層複合デバイス。
- 前記III−V族トランジスタが高電圧トランジスタである、請求項1記載の積層複合デバイス。
- 前記III−V族トランジスタがIII−窒化物トランジスタである請求項1記載の積層複合デバイス。
- 前記IV族横型トランジスタが低電圧トランジスタである、請求項1記載の積層複合デバイス。
- 前記IV族横型トランジスタのダイ及び前記III−V族トランジスタのダイの少なくとも一つが約60μm未満の厚さを有する、請求項1記載の積層複合デバイス。
- 前記IV族横型トランジスタがシリコンよりなる、請求項1記載の積層複合デバイス。
- 前記IV族横型トランジスタの前記ソースが前記III−V族トランジスタの前記ゲートに少なくとも一つのボンドワイヤにより結合されている、請求項1記載の積層複合デバイス。
- 複合デバイスパッケージであって、前記複合デバイスパッケージは
第1のアクティブダイ内にIV族横型トランジスタを備え、
第2のアクティブダイ内に前記IV族横型トランジスタの上に積層されたIII−V族トランジスタを備え、前記第1のアクティブダイの側面積が前記第2のアクティブダイの側面積より大きく、
前記IV族横型トランジスタのドレインが前記III−V族トランジスタのソースと接触され、
前記IV族横型トランジスタのソースが前記複合デバイスパッケージの上面の複合ソースを与えるために前記III−V族トランジスタのゲートに結合され、
前記III−V族トランジスタのドレインが前記複合デバイスパッケージの上面の複合ドレインを与え、
前記IV横型トランジスタのゲートが前記複合デバイスパッケージの前記上面の複合ゲートを与え、
前記IV族横型トランジスタの基板が前記複合デバイスパッケージの底面にある、
複合デバイスパッケージ。 - 前記III−V族トランジスタがノーマリオンデバイスであり、前記III−V族トランジスタ及び前記IV族横型トランジスタからなる複合デバイスがノーマリオフデバイスである、請求項9記載の積層複合デバイス。
- 前記III−V族トランジスタが高電圧トランジスタであり、前記IV族横型トランジスタが低電圧トランジスタである、請求項9記載の積層複合デバイス。
- 前記III−V族トランジスタはIII−窒化物トランジスタである、請求項9記載の複合デバイスパッケージ。
- 前記第1のアクティブダイ及び前記第2のアクティブダイの少なくとも一つが約60μm未満の厚さを有する、請求項9記載の積層複合デバイス。
- 前記IV族横型トランジスタがシリコンよりなる、請求項9記載の複合デバイスパッケージ。
- 前記IV族横型トランジスタの前記ソースが前記III−V族トランジスタの前記ゲートに少なくとも一つのボンドワイヤにより結合されている、請求項9記載の積層複合デバイス。
- 複合ドレイン、複合ソース及び複合ゲートを有する積層複合デバイスであって、前記積層複合デバイスは、
シリコン横型FETと、
前記シリコン横型FETの上に積層されたIII−窒化物トランジスタを備え、
前記シリコン横型FETの上面のドレインが前記III−窒化物トランジスタのソースと接触され、
前記シリコン横型FETの上面のソースが前記積層複合デバイスの底面の前記複合ソースを与えるために前記III−窒化物トランジスタのゲートに結合され、
前記III−窒化物トランジスタのドレインが前記積層複合デバイスの上面の前記複合ドレインを与え、
前記シリコン横型FETのゲートが前記積層複合デバイスの前記上面の前記複合ゲートを与え、
前記シリコン横型トランジスタの基板が前記積層複合デバイスの底面にある、
積層複合デバイス。 - 前記III−V族トランジスタがノーマリオンデバイスであり、前記積層複合デバイスがノーマリオフデバイスである、請求項16記載の積層複合デバイス。
- 前記III−窒化物トランジスタが高電圧トランジスタであり、前記シリコン横型FETが低電圧トランジスタである、請求項16記載の積層複合デバイス。
- 前記III−窒化物トランジスタが窒化ガリウム(GaN)からなる、請求項15記載の積層複合デバイス。
- 前記IV族横型トランジスタの前記ソースが前記III−V族トランジスタの前記ゲートに少なくとも一つのボンドワイヤにより結合されている、請求項16記載の積層複合デバイス。
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US201161473907P | 2011-04-11 | 2011-04-11 | |
US61/473,907 | 2011-04-11 | ||
US13/433,864 US8987833B2 (en) | 2011-04-11 | 2012-03-29 | Stacked composite device including a group III-V transistor and a group IV lateral transistor |
US13/433,864 | 2012-03-29 |
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JP5526179B2 JP5526179B2 (ja) | 2014-06-18 |
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JP5526179B2 (ja) | 2014-06-18 |
US20120256188A1 (en) | 2012-10-11 |
EP2511953A1 (en) | 2012-10-17 |
EP2511953B1 (en) | 2019-06-12 |
US8987833B2 (en) | 2015-03-24 |
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