JP6782615B2 - 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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- JP6782615B2 JP6782615B2 JP2016226171A JP2016226171A JP6782615B2 JP 6782615 B2 JP6782615 B2 JP 6782615B2 JP 2016226171 A JP2016226171 A JP 2016226171A JP 2016226171 A JP2016226171 A JP 2016226171A JP 6782615 B2 JP6782615 B2 JP 6782615B2
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- sic wafer
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- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000004065 semiconductor Substances 0.000 title description 17
- 235000012431 wafers Nutrition 0.000 claims description 112
- 239000001301 oxygen Substances 0.000 claims description 64
- 229910052760 oxygen Inorganic materials 0.000 claims description 64
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 40
- 239000002245 particle Substances 0.000 claims description 20
- 238000005468 ion implantation Methods 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 105
- 229910010271 silicon carbide Inorganic materials 0.000 description 105
- 150000002500 ions Chemical class 0.000 description 37
- 239000010408 film Substances 0.000 description 25
- 230000004888 barrier function Effects 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 11
- 229910044991 metal oxide Inorganic materials 0.000 description 11
- 150000004706 metal oxides Chemical class 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004949 mass spectrometry Methods 0.000 description 3
- -1 oxygen ions Chemical class 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000001793 charged compounds Chemical class 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical class [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/048—Making electrodes
- H01L21/0495—Schottky electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66143—Schottky diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/6606—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrodes Of Semiconductors (AREA)
- Physical Vapour Deposition (AREA)
Description
14 :オーミック電極
16 :ショットキー電極
60 :イオン注入装置
70 :プラズマ照射装置
90 :電極形成装置
92 :ロードロック室
94 :搬送室
96 :加熱室
98 :成膜室
Claims (3)
- SiCウエハの表面に酸素を含む荷電粒子を注入する工程と、
前記荷電粒子を注入した後に、前記表面に、前記SiCウエハに対してショットキー接触するショットキー電極を形成する工程、
を有し、
前記荷電粒子を注入する工程において、複数の前記SiCウエハに、前記SiCウエハ毎に酸素の注入量が異なるように前記荷電粒子を注入し、
前記ショットキー電極を形成する工程が、
ロードロック室と成膜室を有する電極形成装置の前記ロードロック室内に、複数の前記SiCウエハをセットするセット工程と、
前記ロードロック室と前記成膜室を減圧した状態で、複数の前記SiCウエハのうちの一部を前記ロードロック室から前記成膜室に搬送するとともに前記成膜室内に搬送した前記SiCウエハの前記表面に前記ショットキー電極を形成する処理を繰り返す処理工程、
を有し、
前記処理工程では、酸素の注入量が少ない前記SiCウエハから先に前記ショットキー電極を形成する、
製造方法。 - 前記荷電粒子を注入する工程において、イオン注入法によって前記表面に前記荷電粒子を注入する請求項1の製造方法。
- 前記荷電粒子を注入する工程において、酸素を含むプラズマに前記表面を曝すことで前記表面に前記荷電粒子を注入する請求項1の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016226171A JP6782615B2 (ja) | 2016-11-21 | 2016-11-21 | 半導体装置の製造方法 |
US15/726,603 US10388527B2 (en) | 2016-11-21 | 2017-10-06 | Method of manufacturing semiconductor device |
CN201711159622.9A CN108172632A (zh) | 2016-11-21 | 2017-11-20 | 半导体装置的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016226171A JP6782615B2 (ja) | 2016-11-21 | 2016-11-21 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018085382A JP2018085382A (ja) | 2018-05-31 |
JP6782615B2 true JP6782615B2 (ja) | 2020-11-11 |
Family
ID=62147772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016226171A Active JP6782615B2 (ja) | 2016-11-21 | 2016-11-21 | 半導体装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10388527B2 (ja) |
JP (1) | JP6782615B2 (ja) |
CN (1) | CN108172632A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8203704B2 (en) | 2008-08-04 | 2012-06-19 | Cercacor Laboratories, Inc. | Multi-stream sensor for noninvasive measurement of blood constituents |
JP7362546B2 (ja) * | 2020-05-14 | 2023-10-17 | 株式会社東芝 | 半導体装置、インバータ回路、駆動装置、車両、及び、昇降機 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2995284B2 (ja) * | 1995-08-25 | 1999-12-27 | 工業技術院長 | 電極作成方法 |
EP0845803A4 (en) * | 1996-04-18 | 2002-03-27 | Matsushita Electric Ind Co Ltd | SiC ELEMENT AND PROCESS FOR PRODUCING THE SAME |
JP3361061B2 (ja) * | 1998-09-17 | 2003-01-07 | 株式会社東芝 | 半導体装置 |
US6900483B2 (en) * | 2001-06-04 | 2005-05-31 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and method for manufacturing the same |
US7122488B2 (en) * | 2004-03-15 | 2006-10-17 | Sharp Laboratories Of America, Inc. | High density plasma process for the formation of silicon dioxide on silicon carbide substrates |
JP2005286339A (ja) * | 2004-03-29 | 2005-10-13 | Sharp Corp | シリコンカーバイド基板上に二酸化シリコンを生成する高密度プラズマプロセス |
JP2009194216A (ja) * | 2008-02-15 | 2009-08-27 | Hitachi Ltd | 半導体装置の製造方法 |
JP5453867B2 (ja) | 2009-03-24 | 2014-03-26 | 株式会社デンソー | ショットキーバリアダイオードを備えた炭化珪素半導体装置およびその製造方法 |
JP2012004271A (ja) * | 2010-06-16 | 2012-01-05 | Sumitomo Electric Ind Ltd | 炭化珪素半導体の洗浄方法および炭化珪素半導体の洗浄装置 |
CN102507704A (zh) * | 2011-10-18 | 2012-06-20 | 重庆邮电大学 | 基于碳化硅的肖特基势垒二极管氧传感器及制造方法 |
JP6244131B2 (ja) * | 2013-07-29 | 2017-12-06 | 株式会社日立国際電気 | 基板処理装置及びその制御方法、並びにプログラム |
CN103904132B (zh) * | 2014-03-14 | 2017-01-04 | 复旦大学 | 一种调节硅化钛/硅肖特基接触势垒的方法 |
-
2016
- 2016-11-21 JP JP2016226171A patent/JP6782615B2/ja active Active
-
2017
- 2017-10-06 US US15/726,603 patent/US10388527B2/en active Active
- 2017-11-20 CN CN201711159622.9A patent/CN108172632A/zh not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US10388527B2 (en) | 2019-08-20 |
CN108172632A (zh) | 2018-06-15 |
JP2018085382A (ja) | 2018-05-31 |
US20180144938A1 (en) | 2018-05-24 |
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