JP2007081041A - 半導体装置 - Google Patents
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 230000003071 parasitic effect Effects 0.000 abstract description 8
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Abstract
【解決手段】半導体装置は、半導体層10の上方に形成されたゲート絶縁層30、ゲート電極32と、半導体層10内に形成されたチャネル領域31と、半導体層内に形成されたソース領域34およびドレイン領域36と、トランジスタ形成領域110を囲むガードリング領域90と、半導体層10内に、少なくともチャネル領域31、ソース領域34、およびドレイン領域36以外の領域に形成されたオフセット絶縁層38と、半導体層10の上方に形成された第1層間絶縁層50と、第1層間絶縁層の上方で、ガードリング領域90と電気的に接続された第1シールド層62と、第2層間絶縁層60の上方に形成され、ゲート電極32とも接続可能な第2シールド層72と、を含む。
【選択図】図3
Description
半導体層と、
前記半導体層の上方に形成されたゲート絶縁層と、
前記ゲート絶縁層の上方に形成されたゲート電極と、
前記半導体層内に形成されたチャネル領域と、
前記半導体層内に形成されたソース領域およびドレイン領域と、
前記半導体層内に形成されたガードリング領域と、
平面視において前記ガードリング領域に囲まれたトランジスタ形成領域における前記半導体層に、少なくとも前記チャネル領域、前記ソース領域、および前記ドレイン領域以外の領域に形成されたオフセット絶縁層と、
前記半導体層の上方に形成された第1層間絶縁層と、
前記第1層間絶縁層の上方であって、前記ガードリング領域の上方に形成され、かつ、前記ガードリング領域と電気的に接続された第1シールド層と、
前記第1層間絶縁層の上方に形成された第2層間絶縁層と、
前記第2層間絶縁層の上方に形成された第2シールド層と、を含み、
前記第1シールド層は、平面視において、前記ゲート電極のチャネル幅方向における両端の外側に設けられており、
前記第2シールド層は、平面視において、前記ゲート電極のチャネル幅方向における一方の端のうちの少なくとも一部と、該端と対向する前記第1シールド層の端のうちの少なくとも一部との間の第1領域、および、前記ゲート電極のチャネル幅方向における他方の端のうちの少なくとも一部と、該端と対向する前記第1シールド層の端のうちの少なくとも一部との間の第2領域のうちの少なくとも一方に、少なくとも設けられている。
前記第2シールド層は、前記ゲート電極と電気的に接続されていることができる。
前記第2シールド層は、前記ガードリング領域と電気的に接続されていることができる。
次に、本実施形態に係る変形例について説明する。なお、以下に説明する変形例は一例であって、これらに限定されるわけではない。
Claims (3)
- 半導体層と、
前記半導体層の上方に形成されたゲート絶縁層と、
前記ゲート絶縁層の上方に形成されたゲート電極と、
前記半導体層内に形成されたチャネル領域と、
前記半導体層内に形成されたソース領域およびドレイン領域と、
前記半導体層内に形成されたガードリング領域と、
平面視において前記ガードリング領域に囲まれたトランジスタ形成領域における前記半導体層に、少なくとも前記チャネル領域、前記ソース領域、および前記ドレイン領域以外の領域に形成されたオフセット絶縁層と、
前記半導体層の上方に形成された第1層間絶縁層と、
前記第1層間絶縁層の上方であって、前記ガードリング領域の上方に形成され、かつ、前記ガードリング領域と電気的に接続された第1シールド層と、
前記第1層間絶縁層の上方に形成された第2層間絶縁層と、
前記第2層間絶縁層の上方に形成された第2シールド層と、を含み、
前記第1シールド層は、平面視において、前記ゲート電極のチャネル幅方向における両端の外側に設けられており、
前記第2シールド層は、平面視において、前記ゲート電極のチャネル幅方向における一方の端のうちの少なくとも一部と、該端と対向する前記第1シールド層の端のうちの少なくとも一部との間の第1領域、および、前記ゲート電極のチャネル幅方向における他方の端のうちの少なくとも一部と、該端と対向する前記第1シールド層の端のうちの少なくとも一部との間の第2領域のうちの少なくとも一方に、少なくとも設けられている、半導体装置。 - 請求項1において、
前記第2シールド層は、前記ゲート電極と電気的に接続されている、半導体装置。 - 請求項1において、
前記第2シールド層は、前記ガードリング領域と電気的に接続されている、半導体装置。
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JP2005265483A JP4711061B2 (ja) | 2005-09-13 | 2005-09-13 | 半導体装置 |
US11/519,169 US7394137B2 (en) | 2005-09-13 | 2006-09-11 | Semiconductor device |
US12/129,191 US7906821B2 (en) | 2005-09-13 | 2008-05-29 | Semiconductor device |
US12/836,826 US8354728B2 (en) | 2005-09-13 | 2010-07-15 | Semiconductor device |
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JP2005265483A JP4711061B2 (ja) | 2005-09-13 | 2005-09-13 | 半導体装置 |
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JP4711061B2 JP4711061B2 (ja) | 2011-06-29 |
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Cited By (8)
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US7911844B2 (en) | 2007-12-20 | 2011-03-22 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor storage device |
USRE49274E1 (en) | 2007-12-20 | 2022-11-01 | Kioxia Corporation | Non-volatile semiconductor storage device |
USRE47355E1 (en) | 2007-12-20 | 2019-04-16 | Toshiba Memory Corporation | Non-volatile semiconductor storage device |
USRE46526E1 (en) | 2007-12-20 | 2017-08-29 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor storage device |
USRE45307E1 (en) | 2007-12-20 | 2014-12-30 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor storage device |
JP2009231585A (ja) * | 2008-03-24 | 2009-10-08 | Seiko Epson Corp | 半導体装置及びその製造方法 |
JPWO2013061670A1 (ja) * | 2011-10-28 | 2015-04-02 | シャープ株式会社 | 半導体装置 |
WO2013061670A1 (ja) * | 2011-10-28 | 2013-05-02 | シャープ株式会社 | 半導体装置 |
JP2014007280A (ja) * | 2012-06-25 | 2014-01-16 | Asahi Kasei Electronics Co Ltd | 半導体装置 |
JP2014207433A (ja) * | 2013-03-19 | 2014-10-30 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
US9343566B2 (en) | 2013-06-28 | 2016-05-17 | Socionext Inc. | Semiconductor device |
JP2015133527A (ja) * | 2015-04-27 | 2015-07-23 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の製造方法 |
JP2017228794A (ja) * | 2017-09-05 | 2017-12-28 | ルネサスエレクトロニクス株式会社 | パワーmosfet |
Also Published As
Publication number | Publication date |
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US20070057280A1 (en) | 2007-03-15 |
JP4711061B2 (ja) | 2011-06-29 |
US20080237747A1 (en) | 2008-10-02 |
US7906821B2 (en) | 2011-03-15 |
US8354728B2 (en) | 2013-01-15 |
US7394137B2 (en) | 2008-07-01 |
US20100276762A1 (en) | 2010-11-04 |
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