JP6828595B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP6828595B2 JP6828595B2 JP2017105435A JP2017105435A JP6828595B2 JP 6828595 B2 JP6828595 B2 JP 6828595B2 JP 2017105435 A JP2017105435 A JP 2017105435A JP 2017105435 A JP2017105435 A JP 2017105435A JP 6828595 B2 JP6828595 B2 JP 6828595B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/24—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials
- H10P50/246—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials of Group III-V materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/015—Manufacture or treatment of FETs having heterojunction interface channels or heterojunction gate electrodes, e.g. HEMT
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/692—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their composition, e.g. multilayer masks or materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/693—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane
- H10P50/694—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane characterised by their behaviour during the process, e.g. soluble masks or redeposited masks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/693—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane
- H10P50/695—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks or sidewalls or to modify the mask
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/20—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
- H10P76/204—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/08—Planarisation of organic insulating materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/131—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed
- H10W74/137—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being only partially enclosed the encapsulations being directly on the semiconductor body
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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- Drying Of Semiconductors (AREA)
- Junction Field-Effect Transistors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
Claims (4)
- 基板の上に多層エピ構造を形成する工程と、
前記多層エピ構造の上にノボラック系のレジストを塗布し、転写によりパターニングする工程と、
パターニングした前記レジストの形状をベークによりテーパー化する工程と、
テーパー化した前記レジストをマスクとして用いて前記多層エピ構造をドライエッチングする工程と、
前記ドライエッチングの後に、前記レジストを除去し、前記多層エピ構造の上に被覆膜を形成する工程とを備え、
前記ドライエッチングにおいて前記レジストと前記多層エピ構造のエッチング選択比を0.8〜1.2に制御することで前記多層エピ構造に傾斜を形成し、
前記多層エピ構造はAl x Ga 1−x N(0≦x≦1)からなり、
前記ドライエッチングにおいてCl 2 /N 2 ガスを用い、
前記ドライエッチングにおいて、前記Cl 2 /N 2 ガスのCl 2 /N 2 混合比を0.2〜0.5、アンテナ空間電力密度を0.38〜0.5kW/m 3 、バイアス電力密度を6.3〜19kW/m 2 とすることを特徴とする半導体装置の製造方法。 - 前記ドライエッチングにおいて、加工圧力を0.6Pa〜1.0Paとすることを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記ドライエッチングにおいてICP−RIE装置を用いることを特徴とする請求項2に記載の半導体装置の製造方法。
- 前記多層エピ構造はGaN−HEMT構造であり、
前記ドライエッチングの深さは前記GaN−HEMT構造の動作層である2DEG部よりも深いことを特徴とする請求項1〜3の何れか1項に記載の半導体装置の製造方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017105435A JP6828595B2 (ja) | 2017-05-29 | 2017-05-29 | 半導体装置の製造方法 |
| US15/897,181 US10622216B2 (en) | 2017-05-29 | 2018-02-15 | Method for manufacturing semiconductor device |
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|---|---|---|---|
| JP2017105435A JP6828595B2 (ja) | 2017-05-29 | 2017-05-29 | 半導体装置の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2018200970A JP2018200970A (ja) | 2018-12-20 |
| JP6828595B2 true JP6828595B2 (ja) | 2021-02-10 |
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| JP2017105435A Active JP6828595B2 (ja) | 2017-05-29 | 2017-05-29 | 半導体装置の製造方法 |
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| Country | Link |
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| US (1) | US10622216B2 (ja) |
| JP (1) | JP6828595B2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10991582B2 (en) * | 2016-12-21 | 2021-04-27 | Canon Kabushiki Kaisha | Template for imprint lithography including a recession, an apparatus of using the template, and a method of fabricating an article |
| JP7555025B2 (ja) | 2020-09-03 | 2024-09-24 | パナソニックIpマネジメント株式会社 | プラズマエッチング方法および半導体素子の製造方法 |
Family Cites Families (25)
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| US5279669A (en) * | 1991-12-13 | 1994-01-18 | International Business Machines Corporation | Plasma reactor for processing substrates comprising means for inducing electron cyclotron resonance (ECR) and ion cyclotron resonance (ICR) conditions |
| JP2733410B2 (ja) * | 1992-05-22 | 1998-03-30 | 日本電信電話株式会社 | 接続孔の形成方法 |
| JP4368963B2 (ja) | 1999-03-03 | 2009-11-18 | 株式会社日立製作所 | 化合物半導体材料のエッチング方法 |
| JP2000349067A (ja) | 1999-06-01 | 2000-12-15 | Nippon Telegr & Teleph Corp <Ntt> | 半導体のドライエッチング方法 |
| JP2001035808A (ja) * | 1999-07-22 | 2001-02-09 | Semiconductor Energy Lab Co Ltd | 配線およびその作製方法、この配線を備えた半導体装置、ドライエッチング方法 |
| US6608360B2 (en) * | 2000-12-15 | 2003-08-19 | University Of Houston | One-chip micro-integrated optoelectronic sensor |
| JP2003045874A (ja) * | 2001-07-27 | 2003-02-14 | Semiconductor Energy Lab Co Ltd | 金属配線およびその作製方法、並びに金属配線基板およびその作製方法 |
| JP2006185964A (ja) * | 2004-12-24 | 2006-07-13 | Eudyna Devices Inc | 半導体装置の製造方法 |
| JP2006196692A (ja) * | 2005-01-13 | 2006-07-27 | Sony Corp | 半導体装置の製造方法 |
| JP2007291439A (ja) * | 2006-04-24 | 2007-11-08 | Tokyo Electron Ltd | 成膜方法、プラズマ成膜装置及び記憶媒体 |
| US8343878B2 (en) * | 2008-12-19 | 2013-01-01 | The Board Of Trustees Of The University Of Illinois | Method of plasma etching GA-based compound semiconductors |
| JP5301418B2 (ja) | 2009-12-02 | 2013-09-25 | スタンレー電気株式会社 | 半導体発光装置および半導体発光装置の製造方法 |
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| JP6019558B2 (ja) * | 2011-09-27 | 2016-11-02 | 住友電気工業株式会社 | 窒化物電子デバイス、窒化物電子デバイスを作製する方法 |
| JP5927543B2 (ja) * | 2013-07-24 | 2016-06-01 | パナソニックIpマネジメント株式会社 | GaN層の素子分離方法 |
| US9627199B2 (en) * | 2013-12-13 | 2017-04-18 | University Of Maryland, College Park | Methods of fabricating micro- and nanostructure arrays and structures formed therefrom |
| JP6364933B2 (ja) * | 2014-05-01 | 2018-08-01 | 住友電気工業株式会社 | 半導体光デバイスを製造する方法 |
| KR20150138977A (ko) * | 2014-05-30 | 2015-12-11 | 한국전자통신연구원 | 발광 소자 및 그의 제조방법 |
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- 2017-05-29 JP JP2017105435A patent/JP6828595B2/ja active Active
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| Publication number | Publication date |
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| JP2018200970A (ja) | 2018-12-20 |
| US20180342400A1 (en) | 2018-11-29 |
| US10622216B2 (en) | 2020-04-14 |
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