JP5227078B2 - 半導体装置及びその作製方法並びに半導体装置応用システム - Google Patents
半導体装置及びその作製方法並びに半導体装置応用システム Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 60
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000010410 layer Substances 0.000 claims description 33
- 229910052582 BN Inorganic materials 0.000 claims description 18
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 16
- 229910002704 AlGaN Inorganic materials 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 6
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000004544 sputter deposition Methods 0.000 claims description 4
- 230000010365 information processing Effects 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- 125000004429 atom Chemical group 0.000 claims description 2
- 238000000608 laser ablation Methods 0.000 claims description 2
- 125000005842 heteroatom Chemical group 0.000 claims 2
- -1 nitride compound Chemical class 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66893—Unipolar field-effect transistors with a PN junction gate, i.e. JFET
- H01L29/66924—Unipolar field-effect transistors with a PN junction gate, i.e. JFET with an active layer made of a group 13/15 material
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/6631—Bipolar junction transistors [BJT] with an active layer made of a group 13/15 material
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
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- H01L29/7787—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT with wide bandgap charge-carrier supplying layer, e.g. direct single heterostructure MODFET
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Junction Field-Effect Transistors (AREA)
- Bipolar Transistors (AREA)
- Formation Of Insulating Films (AREA)
Description
また、上記目的を達成するための本発明の半導体装置はV族−窒素化合物半導体ヘテ口接合を有することを特徴とする。
図1は本発明の第1実施例の半導体装置としてヘテ口FETを示す概略側面図である。有機金属気相成長法(MOCVD)によりサファイヤ基板1上にAlNバッファー層2が形成され、更に、ノンドープGaN層3を2μmm、ノンドープAlGaNスペーサー層4−1を2nm、Siを添加したn型AlGaN層4−2を15nm、ノンドープAlGaNキャップ層4−3を3nm成長させる。
図2は本発明の第2実施例の半導体装置としてHBTを示す概略側面図である。有機金属気相成長法 (MOCVD)によりn型SiC基板21上にSi添添加のn型AlNバッファー層22が形成され、更に、n型GaNコレクタ層23を2μm、Mgを添加したp型GaNべース層24をO.3μm、Siを添加したn型AlGaNエミッタ層25を1μm、n型GaNコンタクト層26を50nm成長させる。素子分離の後、エミッタ部を残してコンタクト層26およびエミッタ層25を除去し、べース層24を露出させる。プラズマCVD装置内で試料温度を300℃にして表面を水素プラズマで処理した後、窒素プラズマと三塩化ホウ素を用いて窒化ホウ素膜27−1を50nm堆積させる。
III−V化合物半導体素子(例えば、GaAsFET、GaAs/AlGaAsHEMT、AlInAs/InGaAsHEMTなど)に使われれば低誘電率膜のため浮遊容量が低減でき素子の周波数特性が向上した。
2・・AlNバッフアー層
3・・ノンドープGaN層
4−1・・ノンドープAlGaNスペーサー層
4−2・・n型AlGaN層
4−3・・ノンドープAlGaNキャップ層
5・・ソース
6・・ドレイン
7・・ゲート
8−1・・窒化ホウ素膜
8−2・・窒化珪素膜
21・・基板
22・・n型AlNバッフアー層
23・・n型GaNコレクタ層
24・・p型GaNべース層
25・・n型AlGaNエミッタ層
26・・n型GaNコンタクト層
27−1・・窒化ホウ素膜
27−2・・窒化珪素膜
28・・エミッタ電極
29・・べース電極
30・・コレクタ電極
Claims (13)
- GaN/AlGaN層構造と窒化ホウ素膜を有し、
前記膜は窒化珪素膜又は酸化珪素膜との複合膜構造を有し、
前記膜を半導体の表面保護膜、表面不活性化膜、配線層間絶縁膜のいずれかとして用いることを特徴とする半導体装置。 - 前記膜に、アルミニウム、ガリウム、インジウム、リン、炭素、珪素のいずれか1種以上を含むことを特徴とする請求項1に記載の半導体装置。
- III族−窒素化合物半導体ヘテ口接合を有することを特徴とする請求項1又は2に記載の半導体装置。
- III族−V族窒素化合物半導体ヘテ口接合を有することを特徴とする請求項1から3のいずれかに記載の半導体装置。
- 前記半導体装置はFETであることを特徴とする請求項1ないし4のいずれか1項記載の半導体装置。
- 前記半導体装置はHBTであることを特徴とする請求項1ないし4のいずれか1項記載の半導体装置。
- GaN/AlGaN層構造を有する被成膜基板を窒素を含むプラズマ雰囲気中に配置し、前記被成膜基板にホウ素原子を供給し、
窒化珪素膜又は酸化珪素膜との複合膜構造を有し、
半導体の表面保護膜、表面不活性化膜、配線層間絶縁膜のいずれかとして用いる窒化ホウ素膜を形成することを特徴とする半導体装置の製造方法。 - 窒化ホウ素のレーザアブレーションまたはスパッタによりGaN/AlGaN層構造を有する被成模基板に、
窒化珪素膜又は酸化珪素膜との複合膜構造を有し、
半導体の表面保護膜、表面不活性化膜、配線層間絶縁膜のいずれかとして用いる窒化ホウ素膜を形成することを特徴とする半導体装置の製造方法。 - 前記膜の作製時にアルミニウム、ガリウム、インジウム、リン、炭素、珪素のいずれかの添加原子を供給することを特徴とする請求項7又は8に記載の半導体装置の製造方法。
- 前記半導体装置はFETであることを特徴とする請求項7ないし9のいずれか1項記載の半導体装置の製造方法。
- 前記半導体装置はHBTであることを特徴とする請求項7ないし9のいずれか1項記載の半導体装置の製造方法。
- 請求項1ないし6のいずれか1項に記載の半導体装置を有することを特徴とする通信システム装置。
- 請求項1ないし6のいずれか1項に記載の半導体装置を有することを特徴とする情報処理システム装置。
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US7368793B2 (en) * | 2004-03-22 | 2008-05-06 | Matsushita Electric Industrial Co., Ltd. | HEMT transistor semiconductor device |
US7399692B2 (en) * | 2005-10-03 | 2008-07-15 | International Rectifier Corporation | III-nitride semiconductor fabrication |
JP5200936B2 (ja) * | 2006-09-20 | 2013-06-05 | 富士通株式会社 | 電界効果トランジスタおよびその製造方法 |
US8563090B2 (en) * | 2008-10-16 | 2013-10-22 | Applied Materials, Inc. | Boron film interface engineering |
US8476743B2 (en) * | 2011-09-09 | 2013-07-02 | International Business Machines Corporation | C-rich carbon boron nitride dielectric films for use in electronic devices |
JP2013110275A (ja) | 2011-11-21 | 2013-06-06 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
JP6179266B2 (ja) * | 2013-08-12 | 2017-08-16 | 富士通株式会社 | 半導体装置及び半導体装置の製造方法 |
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JPS61171141A (ja) * | 1985-01-25 | 1986-08-01 | Hitachi Ltd | 半導体装置およびその製造方法 |
JP2770544B2 (ja) * | 1990-03-23 | 1998-07-02 | 松下電器産業株式会社 | Mis型半導体装置の製造方法 |
JPH05218011A (ja) * | 1992-01-30 | 1993-08-27 | Nec Corp | 化合物半導体装置の保護膜の形成方法 |
US5646474A (en) * | 1995-03-27 | 1997-07-08 | Wayne State University | Boron nitride cold cathode |
FR2737342B1 (fr) * | 1995-07-25 | 1997-08-22 | Thomson Csf | Composant semiconducteur avec dissipateur thermique integre |
JPH1196894A (ja) * | 1997-09-17 | 1999-04-09 | Matsushita Electric Ind Co Ltd | 電子放出素子および画像表示装置 |
JP3752810B2 (ja) * | 1997-11-26 | 2006-03-08 | 昭和電工株式会社 | エピタキシャルウェハおよびその製造方法並びに半導体素子 |
JP4314650B2 (ja) * | 1998-08-08 | 2009-08-19 | 東京エレクトロン株式会社 | 半導体装置の層間絶縁膜の形成方法 |
JP2000068498A (ja) * | 1998-08-21 | 2000-03-03 | Nippon Telegr & Teleph Corp <Ntt> | 絶縁性窒化物膜およびそれを用いた半導体装置 |
JP4312326B2 (ja) * | 1999-12-28 | 2009-08-12 | 隆 杉野 | 電子放出装置 |
JP2002289616A (ja) * | 2001-03-28 | 2002-10-04 | Mitsubishi Heavy Ind Ltd | 成膜方法及び成膜装置 |
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2002
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- 2002-07-17 WO PCT/JP2002/007279 patent/WO2003009392A1/ja active Application Filing
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2008
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US20050124176A1 (en) | 2005-06-09 |
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