JP2020512680A - 半導体デバイス及びその製造方法 - Google Patents
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Abstract
Description
本発明は、本願の出願人により出願された、出願日が2017年7月4日、出願番号が201710538379.5、名称が「半導体デバイス及びその製造方法」である出願の優先権を請求する。上記出願の内容は、参照によりその全体が本明細書に組み込まれる。
本発明は、半導体及びその製造技術分野に関し、具体的には、半導体デバイス及びその製造方法に関する。
本発明は、基板を用意するステップと、基板に基づいて、半導体機能層を製作するステップと、半導体機能層に基づいて、活性領域、試験領域及び不活性領域を製作するステップと、標準デバイスが形成されるように、活性領域に、複数のソース、複数のゲート及び複数のドレインを製作するステップと、試験デバイスが形成されるように、試験領域に、ドレインと同じである第一電極と、ソース及びゲートの一方と同じである第二電極とを製作するステップと、を含む半導体デバイスの製造方法を更に提供している。
図1は、本発明の実施例による半導体デバイス10の平面模式図を示している。該半導体デバイス10は、活性領域11と、試験領域12と、活性領域11及び試験領域12の外に位置する不活性領域とを含んでもよい。
前の実施例と異なる点として、図5に示すように、本実施例において、試験デバイス200は、第三電極203を更に含み、上述したように、第一電極201がドレイン102と同じで、第二電極202がソース101及びゲート103の何れか一方と同じで、第三電極203がソース101及びゲート103の他方と同じであるようにしてもよい。
前の実施例と異なる点として、第二電極202又は第三電極203と、隣接する1つのソース101とが、電気的に接続されて、該ソース101に接続されたソース電極1012を共用して試験を行う。言い換えれば、試験デバイスにおける標準デバイスに近接する側では、第二電極202又は第三電極203は、隣接する1つのソース101と共用することが可能であり、即ち、該共用するソース101と、試験デバイスの第二電極202又は第三電極203との間には、隙間がない。
11 活性領域
12 試験領域
100 標準デバイス
101 ソース
102 ドレイン
103 ゲート
1011 空気ブリッジ
1012 ソース電極
1013 貫通孔
1021 ドレイン相互接続線
1022 ドレイン電極
1031 ゲート相互接続線
1032 ゲート電極
200 試験デバイス
201 第一電極
202 第二電極
203 第三電極
13 基板
14 半導体機能層
15 分離層
Claims (16)
- 活性領域と、試験領域と、前記活性領域及び前記試験領域の外に位置する不活性領域と含む半導体デバイスにおいて、
前記活性領域内には、標準デバイスが製作されており、前記試験領域内には、前記標準デバイスの性能パラメータを試験するための試験デバイスが製作されている
ことを特徴とする半導体デバイス。 - 前記試験デバイスのゲート幅は、前記標準デバイスのゲート幅よりも小さい
ことを特徴とする請求項1に記載の半導体デバイス。 - 前記標準デバイスは、複数のソース、複数のドレイン及び複数のゲートを含み、
前記試験デバイスは、前記ドレインと同じである第一電極と、前記ソース及び前記ゲートの何れか一方と同じである第二電極とを含む
ことを特徴とする請求項1又は2に記載の半導体デバイス。 - 前記第二電極は、前記ゲートと同じであり、前記第一電極と前記第二電極との間の距離は、前記複数のゲートと前記複数のドレインとのうち、隣接するゲートとドレインとの間の距離と同じである
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記第二電極は、前記ソースと同じであり、前記第一電極と前記第二電極との間の距離は、前記複数のゲートと前記複数のドレインとのうち、隣接するゲートとドレインとの間の距離と、前記複数のゲートと前記複数のソースとのうち、隣接するゲートとソースとの間の距離との和に等しい
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記第二電極と、隣接するソースとが、電気的に接続されて、前記隣接するソースに接続されたソース電極を共用する
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記試験デバイスの前記第二電極と、隣接する前記標準デバイスの前記ソースとの間には、隙間がない
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記試験デバイスは、基板と、前記基板上に設けられた半導体機能層とを含み、前記第一電極及び前記第二電極が前記半導体機能層上に設けられており、前記試験デバイスは、前記第一電極の下方における半導体機能層と第二電極の下方における半導体機能層との間に設けられた分離層を更に含む
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記試験デバイスは、前記ソース及び前記ゲートの他方と同じである第三電極を更に含む
ことを特徴とする請求項3に記載の半導体デバイス。 - 前記第三電極と、隣接するソースとが、電気的に接続されて、前記隣接するソースに接続されたソース電極を共用する
ことを特徴とする請求項9に記載の半導体デバイス。 - 前記試験デバイスの前記第三電極と、隣接する前記標準デバイスの前記ソースとの間には、隙間がない
ことを特徴とする請求項9に記載の半導体デバイス。 - 前記複数のソースと前記複数のドレインとが交互に設けられており、前記複数のゲートは、隣接するソースとドレインとの間に、櫛歯状をなすように設けられており、前記複数のゲートは、ゲート相互接続線を介して接続し合わされ、且つ前記不活性領域に製作されたゲート電極に接続されており、前記複数のドレインは、ドレイン相互接続線を介して接続し合わされ、且つ前記不活性領域に製作されたドレイン電極に接続されている
ことを特徴とする請求項3乃至請求項11の何れか一項に記載の半導体デバイス。 - 前記複数のソースは、それぞれ、前記ゲート相互接続線を跨る複数の空気ブリッジを介して、前記不活性領域に製作された複数のソース電極に接続されており、前記複数のソースのそれぞれには、少なくとも1つの貫通孔が開けられており、前記ソースは、前記少なくとも1つの貫通孔を介して、前記不活性領域に製作されたソース電極であって、前記ソースに対応するソース電極に接続されている
ことを特徴とする請求項12に記載の半導体デバイス。 - 基板を用意するステップと、
前記基板に基づいて、半導体機能層を製作するステップと、
前記半導体機能層に基づいて、活性領域、試験領域及び不活性領域を製作するステップと、
標準デバイスが形成されるように、前記活性領域に、複数のソース、複数のゲート及び複数のドレインを製作するステップと、
試験デバイスが形成されるように、前記試験領域に、前記ドレインと同じである第一電極と、前記ソース及び前記ゲートの一方と同じである第二電極とを製作するステップであって、前記試験デバイスが前記標準デバイスの性能パラメータを試験するためのものであるステップと、を含む
ことを特徴とする半導体デバイスの製造方法。 - 前記試験領域に、前記ソース及び前記ゲートの他方と同じである第三電極が製作される
ことを特徴とする請求項14に記載の製造方法。 - 前記不活性領域に、複数のソース電極、複数のドレイン電極及び複数のゲート電極が製作され、
前記製造方法は、
前記標準デバイスのソースを前記ソース電極と接続するステップと、
前記不活性領域に、ドレイン相互接続線を製作し、前記標準デバイスのドレインを、前記ドレイン相互接続線を介して接続し合い、且つ前記ドレイン電極と接続するステップと、
前記不活性領域に、ゲート相互接続線を製作し、前記標準デバイスのゲートを前記ゲート相互接続線を介して接続し、且つ前記ゲート電極と接続するステップと、を含む
ことを特徴とする請求項14又は15に記載の製造方法。
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