JP2014093504A - 半導体装置、半導体装置の製造方法、及びアンテナスイッチモジュール - Google Patents
半導体装置、半導体装置の製造方法、及びアンテナスイッチモジュール Download PDFInfo
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Abstract
【解決手段】SOI(Silicon on Insulator)基板上に高周波スイッチデバイスを有し、前記SOI基板の支持基板の全体に一様な第1種の結晶欠陥が形成されている半導体装置。
【選択図】図5
Description
加えて、工程数が増えるため製造コストが高くなるという問題もあった。
ことができる。
(A)第1の実施形態:
(B)第2の実施形態:
(C)第3の実施形態:
(D)第4の実施形態:
(E)まとめ:
図1は、第1の実施形態に係る半導体装置の製造方法の流れを示す図であり、図2〜図5は、図1に示す製造方法の各工程に対応する半導体装置の断面図である。以下、図1に示す製造方法の流れに沿って説明していく。
次に、第2の実施形態について説明する。第2の実施形態は、SOI基板を用いた高周波スイッチデバイスにおいて、前記高周波スイッチデバイスの表面に結晶欠陥導入基板を貼り合せた後、SOI基板のオリジナル支持基板を除去し、その表面に再配線による外部端子を設けた半導体装置、及び当該半導体装置の製造方法に係るものである。
次に、第3の実施形態について説明する。第3の実施形態に係る半導体装置は、SOI基板を用いた高周波スイッチデバイスにおいて、高周波スイッチデバイスの表面に仮支持基板を貼り合せた後、SOI基板のオリジナル支持基板を結晶欠陥導入基板と交換し、その後、仮支持基板を除去し、高周波スイッチデバイスの表面側に再配線による外部端子を設けたものである。以下、このような半導体装置の製造方法の一例と構造について説明する。
次に、第4の実施形態について説明する。本第4の実施形態においては、SOI基板を用いた高周波スイッチデバイスにおいて、高周波スイッチデバイスの表面に結晶欠陥導入基板を貼り合せた後、SOI基板のオリジナル支持基板も結晶欠陥導入基板と交換し、その後、高周波スイッチデバイスの裏面側の結晶欠陥導入基板にTSVを介して再配線したものである。以下、このような半導体装置の製造方法の一例と構造について説明する。
以上説明した第2〜第4の実施形態によれば、SOI基板上に高周波スイッチデバイスを有する半導体装置において、SOI基板の支持基板10の全体に一様な第1種の結晶欠陥としての結晶欠陥3が形成されることとなる。これにより、SOI基板上に形成される高周波向けの大出力を制御するアンテナスイッチにおけるMOSFETの自己発熱による熱破壊を防止しつつ、高調波歪み特性を良好にすることができる。
前記SOI基板の支持基板は、その基板全体に一様な密度で第1種の結晶欠陥を有する半導体装置。
全体に一様な密度で第1種の結晶欠陥が形成された結晶欠陥導入基板を作製する第2工程と、
前記半導体層の表面に、前記第2工程において作製された前記結晶欠陥導入基板を貼り合わせにより接合する第3工程と、
を含む半導体装置の製造方法。
Claims (19)
- SOI(Silicon on Insulator)基板上に高周波スイッチデバイスを有し、
前記SOI基板の支持基板は、その基板全体に一様な密度で第1種の結晶欠陥を有する半導体装置。 - 前記支持基板以外の部位は、前記第1種の結晶欠陥を有さない請求項1に記載の半導体装置。
- 前記支持基板は、前記高周波スイッチデバイスが形成された素子層や金属配線が形成された配線層を含む半導体層に対して、貼り合わせにより接合されている請求項1に記載の半導体装置。
- 前記高周波スイッチデバイスは、前記半導体層において、前記支持基板に接する側とは反対側の面寄りの位置に形成されている請求項3に記載の半導体装置。
- 前記高周波スイッチデバイスは、前記半導体層において、前記支持基板に接する側の面寄りの位置に形成されている請求項3に記載の半導体装置。
- 前記半導体層の両面に、前記支持基板が貼り合わせにより接合されている請求項3に記載の半導体装置。
- 前記半導体層に対して、前記高周波スイッチデバイスに近い側の表面から再配線されている請求項3に記載の半導体装置。
- 前記半導体層に対して、前記高周波スイッチデバイスから遠い側の表面から再配線されている請求項3に記載の半導体装置。
- 前記半導体層に対して、前記支持基板を前記半導体層まで貫通するTSV(Through Silicon Via)を介して再配線されている請求項3に記載の半導体装置。
- 前記支持基板は、前記半導体層と接合された側に、第2種の結晶欠陥が形成された結晶欠陥層を有する請求項1に記載の半導体装置。
- 前記結晶欠陥層は、不活性ガス、炭素又はシリコンのイオン注入によって、前記半導体層と接合された側の表面から100nm〜数μmの深さで前記第2種の結晶欠陥が形成された層である請求項10に記載の半導体装置。
- 前記支持基板は、電子ビームの照射によって形成された、密度範囲が1×1014〜1×1016個/cm3の第1種の結晶欠陥が形成されている請求項1に記載の半導体装置。
- 前記支持基板は、FZ(Floating Zone)法で製造された酸素濃度が1×1015〜1×1017atoms/cm3であって比抵抗が100〜1×105Ωcmのシリコン基板、又は、CZ(Czochralski)法若しくはMCZ(Magnetic−Field−applied Czochralski)法で製造された基板上にシリコンをエピタキシャル成長させた比抵抗が100〜1×105Ωcmのシリコン基板に対し、前記第1種の結晶欠陥を形成したものである請求項1に記載の半導体装置。
- 請求項1に記載の半導体装置を備えるアンテナスイッチモジュール。
- 高周波スイッチデバイスを有するSOI(Silicon on Insulator)基板上に、前記高周波スイッチデバイスを含む素子層と金属配線を含む配線層とを順に積層して半導体層を形成する第1工程と、
全体に一様な密度で第1種の結晶欠陥が形成された結晶欠陥導入基板を作製する第2工程と、
前記半導体層の表面に、前記第2工程において作製された前記結晶欠陥導入基板を貼り合わせにより接合する第3工程と、
を含む半導体装置の製造方法。 - 前記第3工程においては、前記配線層側の表面に前記結晶欠陥導入基板を貼り合わせにより接合した後、前記SOI基板のオリジナル支持基板を除去する請求項15に記載の半導体装置の製造方法。
- 前記第3工程においては、前記配線層側の表面に仮支持基板を貼り合わせにより接合した後、前記SOI基板のオリジナル支持基板を除去し、当該オリジナル支持基板に代えて前記素子層側に前記結晶欠陥導入基板を貼り合わせにより接合し、その後、前記仮支持基板を除去する請求項15に記載の半導体装置の製造方法。
- 前記第3工程においては、前記配線層側の表面に前記結晶欠陥導入基板を貼り合わせにより接合した後、前記SOI基板のオリジナル支持基板を除去し、当該オリジナル支持基板に代えて前記素子層側にも前記結晶欠陥導入基板を貼り合わせにより接合する請求項15に記載の半導体装置の製造方法。
- 前記第3工程においては、前記配線層側の表面に仮支持基板を貼り合わせにより接合した後、前記SOI基板のオリジナル支持基板を除去し、当該オリジナル支持基板に代えて前記素子層側に前記結晶欠陥導入基板を貼り合わせにより接合し、更に、前記配線層側の表面にも前記結晶欠陥導入基板を貼り合わせにより接合する請求項15に記載の半導体装置の製造方法。
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US14/605,374 US9379239B2 (en) | 2012-11-07 | 2015-01-26 | Semiconductor device, method of manufacturing semiconductor device, and antenna switch module |
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US9537005B2 (en) | 2017-01-03 |
US10553550B2 (en) | 2020-02-04 |
CN103811474B (zh) | 2018-03-27 |
US20170069586A1 (en) | 2017-03-09 |
US20160293759A1 (en) | 2016-10-06 |
US20150130015A1 (en) | 2015-05-14 |
US8987866B2 (en) | 2015-03-24 |
US9379239B2 (en) | 2016-06-28 |
US20140124897A1 (en) | 2014-05-08 |
JP6024400B2 (ja) | 2016-11-16 |
CN103811474A (zh) | 2014-05-21 |
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