JP6809615B2 - 電界効果トランジスタ - Google Patents
電界効果トランジスタ Download PDFInfo
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- JP6809615B2 JP6809615B2 JP2019538887A JP2019538887A JP6809615B2 JP 6809615 B2 JP6809615 B2 JP 6809615B2 JP 2019538887 A JP2019538887 A JP 2019538887A JP 2019538887 A JP2019538887 A JP 2019538887A JP 6809615 B2 JP6809615 B2 JP 6809615B2
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- 230000005669 field effect Effects 0.000 title claims description 68
- 229910052751 metal Inorganic materials 0.000 claims description 221
- 239000002184 metal Substances 0.000 claims description 221
- 239000000758 substrate Substances 0.000 claims description 62
- 239000004065 semiconductor Substances 0.000 claims description 55
- 230000005685 electric field effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 22
- 230000000694 effects Effects 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
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- H01L29/41725—Source or drain electrodes for field effect devices
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- H01L21/8232—Field-effect technology
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- H01L21/823475—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type interconnection or wiring or contact manufacturing related aspects
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
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Description
本願の発明に係る電界効果トランジスタでは、入力端子から出力端子までの線路長が短いドレイン電極ほど複数の金属層との距離が短くなる。ここで、複数のドレイン電極および複数のソース電極と、複数の金属層との間に発生する静電容量により、信号線路の電気長が長くなる。このため、入力端子から出力端子までの線路長が短いドレイン電極ほど複数の金属層との距離を短くすることで、出力端子における信号の位相差を抑制できる。従って、高効率な電界効果トランジスタを得ることができる。
図1は、実施の形態1に係る電界効果トランジスタ100の平面図である。電界効果トランジスタ100は、高周波用FETである。電界効果トランジスタ100は、半導体基板10を備える。半導体基板10の材料としてシリコン、炭化ケイ素、ヒ化ガリウム、窒化ガリウム、リン化インジウムなどを用いることができる。
図7は、実施の形態2に係る電界効果トランジスタ400の平面図である。電界効果トランジスタ400は、電界効果トランジスタ100と複数の金属層430の形状が異なる。それ以外の構造は、電界効果トランジスタ100と同様である。電界効果トランジスタ400は複数の金属層430を備える。複数の金属層430の形状は互いに等しい。
図11は、実施の形態3に係る電界効果トランジスタ500の第2方向に沿った断面図である。電界効果トランジスタ500は、電界効果トランジスタ100と複数の金属層530の形状が異なる。それ以外の構造は、電界効果トランジスタ100と同様である。複数の金属層530は、半導体基板10の第2面13と離れて設けられる。複数の金属層530は、半導体基板10の第2面13に設けられた裏面金属と分離されている。
Claims (10)
- 半導体基板と、
前記半導体基板の第1面に設けられ、第1方向に伸びる複数のドレイン電極と、
前記半導体基板の前記第1面に設けられ、前記第1方向に伸び、前記複数のドレイン電極と互いに交互に並ぶ複数のソース電極と、
前記半導体基板の前記第1面に設けられ、前記第1方向に伸び、前記複数のソース電極と前記複数のドレイン電極との間にそれぞれ設けられた複数のゲート電極と、
前記複数のゲート電極と接続された入力端子と、
前記複数のドレイン電極と接続された出力端子と、
前記半導体基板に前記第1面と離れて設けられ、前記第1方向と交差する第2方向に伸び、前記第1面と垂直な方向から見て前記複数のドレイン電極と交差する複数の金属層と、
を備え、
前記複数の金属層は、第1金属層と、前記第1金属層よりも長く、前記第1面と垂直な方向から見て前記第1金属層よりも多くのドレイン電極と交差する第2金属層と、を含み、
前記複数のドレイン電極のうち前記入力端子から前記出力端子までの線路長が短いドレイン電極ほど、直下に多くの金属層が設けられることを特徴とする電界効果トランジスタ。 - 前記複数の金属層は、前記複数のドレイン電極のうち前記線路長が最も短いドレイン電極の直下から前記第2方向に伸びることを特徴とする請求項1に記載の電界効果トランジスタ。
- 前記入力端子と前記出力端子とは、前記半導体基板の前記第1方向と垂直な方向の中央部に前記複数のドレイン電極を挟んで設けられ、
前記複数の金属層は、前記中央部に設けられたドレイン電極の直下から前記第2方向の両側に伸びることを特徴とする請求項1または2に記載の電界効果トランジスタ。 - 前記複数の金属層は前記第1方向に等間隔に並び、
前記複数のドレイン電極のうち前記線路長が短いドレイン電極ほど、直下に前記第1方向に短い間隔で前記複数の金属層が設けられることを特徴とする請求項1〜3の何れか1項に記載の電界効果トランジスタ。 - 前記複数の金属層は、前記第1金属層と前記第2金属層とをそれぞれ複数含み、
前記複数の第1金属層と前記複数の第2金属層とは、前記第1方向に互いに交互に並ぶことを特徴とする請求項1〜4の何れか1項に記載の電界効果トランジスタ。 - 半導体基板と、
前記半導体基板の第1面に設けられ、第1方向に伸びる複数のドレイン電極と、
前記半導体基板の前記第1面に設けられ、前記第1方向に伸び、前記複数のドレイン電極と互いに交互に並ぶ複数のソース電極と、
前記半導体基板の前記第1面に設けられ、前記第1方向に伸び、前記複数のソース電極と前記複数のドレイン電極との間にそれぞれ設けられた複数のゲート電極と、
前記複数のゲート電極と接続された入力端子と、
前記複数のドレイン電極と接続された出力端子と、
前記半導体基板に前記第1面と離れて設けられ、前記第1方向と交差する第2方向に伸び、前記第1面と垂直な方向から見て前記複数のドレイン電極と交差する複数の金属層と、
を備え、
前記複数のドレイン電極のうち前記入力端子から前記出力端子までの線路長が短いドレイン電極ほど前記複数の金属層との距離が短くなることを特徴とする電界効果トランジスタ。 - 前記複数の金属層の各々は、前記第1面と垂直な方向の高さが前記第2方向に沿って変化することを特徴とする請求項6に記載の電界効果トランジスタ。
- 前記入力端子と前記出力端子とは、前記半導体基板の前記第1方向と垂直な方向の中央部に前記複数のドレイン電極を挟んで設けられ、
前記複数の金属層の各々は、前記中央部から前記第2方向に離れるほど前記高さが低くなることを特徴とする請求項7に記載の電界効果トランジスタ。 - 前記複数の金属層は、前記半導体基板の前記第1面と反対側の面である第2面に設けられることを特徴とする請求項1〜8の何れか1項に記載の電界効果トランジスタ。
- 前記複数の金属層は、前記半導体基板の前記第1面と反対側の面である第2面と離れて設けられることを特徴とする請求項1〜8の何れか1項に記載の電界効果トランジスタ。
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PCT/JP2017/031625 WO2019043918A1 (ja) | 2017-09-01 | 2017-09-01 | 電界効果トランジスタ |
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JPWO2019043918A1 JPWO2019043918A1 (ja) | 2020-02-27 |
JP6809615B2 true JP6809615B2 (ja) | 2021-01-06 |
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FR2550889B1 (fr) * | 1983-08-17 | 1985-10-11 | Thomson Csf | Dispositif amplificateur a effet de champ, fonctionnant dans les hyperfrequences, par transfert d'electrons |
JPH04116836A (ja) * | 1990-09-06 | 1992-04-17 | Toshiba Corp | マイクロ波半導体装置 |
TW396577B (en) * | 1998-09-03 | 2000-07-01 | United Microelectronics Corp | Structure and method for preventing the conductive layer of a device from horizontal and vertical crosstalks |
JP2001044219A (ja) | 1999-07-30 | 2001-02-16 | Toshiba Corp | 半導体装置 |
JP2002217209A (ja) * | 2001-01-16 | 2002-08-02 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
KR100467944B1 (ko) * | 2002-07-15 | 2005-01-24 | 엘지.필립스 엘시디 주식회사 | 반사투과형 액정표시장치 및 그의 제조방법 |
CA2418674A1 (en) | 2003-02-07 | 2004-08-07 | Tak Shun Cheung | Transmission lines and transmission line components with wavelength reduction and shielding |
JP2004260364A (ja) * | 2003-02-25 | 2004-09-16 | Renesas Technology Corp | 半導体装置及び高出力電力増幅装置並びにパソコンカード |
JP2006528466A (ja) | 2003-07-23 | 2006-12-14 | プレジデント・アンド・フェロウズ・オブ・ハーバード・カレッジ | コプレーナストリップ線路に基づく方法および装置 |
JP5411528B2 (ja) * | 2008-03-18 | 2014-02-12 | 株式会社半導体エネルギー研究所 | 薄膜トランジスタ及び表示装置 |
US8178908B2 (en) * | 2008-05-07 | 2012-05-15 | International Business Machines Corporation | Electrical contact structure having multiple metal interconnect levels staggering one another |
US7969359B2 (en) | 2009-01-02 | 2011-06-28 | International Business Machines Corporation | Reflective phase shifter and method of phase shifting using a hybrid coupler with vertical coupling |
JP2011060912A (ja) * | 2009-09-08 | 2011-03-24 | Toshiba Corp | 半導体装置 |
JP6014984B2 (ja) * | 2011-09-29 | 2016-10-26 | 富士通株式会社 | 半導体装置及びその製造方法 |
JP6156015B2 (ja) * | 2013-09-24 | 2017-07-05 | 三菱電機株式会社 | 半導体装置及びその製造方法 |
JP2016006870A (ja) * | 2014-05-30 | 2016-01-14 | 住友電気工業株式会社 | 半導体装置 |
WO2016098374A1 (ja) * | 2014-12-16 | 2016-06-23 | 三菱電機株式会社 | マルチフィンガトランジスタ及び半導体装置 |
JP2017139518A (ja) * | 2016-02-01 | 2017-08-10 | 富士通株式会社 | 半導体装置および送信器 |
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DE112017007966T5 (de) | 2020-06-04 |
KR102351759B1 (ko) | 2022-01-14 |
KR20200027018A (ko) | 2020-03-11 |
TWI661556B (zh) | 2019-06-01 |
WO2019043918A1 (ja) | 2019-03-07 |
CN111052322B (zh) | 2023-04-14 |
CN111052322A (zh) | 2020-04-21 |
JPWO2019043918A1 (ja) | 2020-02-27 |
US20210036115A1 (en) | 2021-02-04 |
TW201914024A (zh) | 2019-04-01 |
US11038031B2 (en) | 2021-06-15 |
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