JP2021082711A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- JP2021082711A JP2021082711A JP2019209039A JP2019209039A JP2021082711A JP 2021082711 A JP2021082711 A JP 2021082711A JP 2019209039 A JP2019209039 A JP 2019209039A JP 2019209039 A JP2019209039 A JP 2019209039A JP 2021082711 A JP2021082711 A JP 2021082711A
- Authority
- JP
- Japan
- Prior art keywords
- film
- nickel
- gallium oxide
- patterned
- nickel film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 78
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910001195 gallium oxide Inorganic materials 0.000 claims abstract description 40
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 38
- 239000013078 crystal Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000001039 wet etching Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000059 patterning Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 230000001590 oxidative effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 20
- 229910000480 nickel oxide Inorganic materials 0.000 abstract description 31
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229960002163 hydrogen peroxide Drugs 0.000 description 2
- 230000005596 ionic collisions Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229940032330 sulfuric acid Drugs 0.000 description 2
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Electrodes Of Semiconductors (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
12:酸化ガリウムの結晶
12a:表面
14:ニッケル膜
20:酸化ニッケル膜
Claims (1)
- 酸化ガリウムの結晶を有する半導体基板を用意する工程と、
前記酸化ガリウムの結晶の表面をSPM洗浄する工程と、
洗浄された前記表面にニッケル膜を形成する工程と、
前記ニッケル膜をウェットエッチングによってパターニングする工程と、
パターニングされた前記ニッケル膜を加熱して酸化させる工程と、
を備える、
半導体装置の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019209039A JP2021082711A (ja) | 2019-11-19 | 2019-11-19 | 半導体装置の製造方法 |
Applications Claiming Priority (1)
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JP2019209039A JP2021082711A (ja) | 2019-11-19 | 2019-11-19 | 半導体装置の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2021082711A true JP2021082711A (ja) | 2021-05-27 |
Family
ID=75966011
Family Applications (1)
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JP2019209039A Pending JP2021082711A (ja) | 2019-11-19 | 2019-11-19 | 半導体装置の製造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP2021082711A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021097085A (ja) * | 2019-12-13 | 2021-06-24 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192661A (ja) * | 2007-02-01 | 2008-08-21 | Fujitsu Ltd | 半導体装置の製造方法 |
WO2014049802A1 (ja) * | 2012-09-28 | 2014-04-03 | 株式会社日立製作所 | ショットキーバリアダイオードおよびその製造方法 |
WO2018150451A1 (ja) * | 2017-02-14 | 2018-08-23 | 三菱電機株式会社 | 電力用半導体装置 |
JP2018142655A (ja) * | 2017-02-28 | 2018-09-13 | 株式会社タムラ製作所 | ショットキーバリアダイオード |
JP2019036593A (ja) * | 2017-08-10 | 2019-03-07 | 株式会社タムラ製作所 | ダイオード |
-
2019
- 2019-11-19 JP JP2019209039A patent/JP2021082711A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192661A (ja) * | 2007-02-01 | 2008-08-21 | Fujitsu Ltd | 半導体装置の製造方法 |
WO2014049802A1 (ja) * | 2012-09-28 | 2014-04-03 | 株式会社日立製作所 | ショットキーバリアダイオードおよびその製造方法 |
WO2018150451A1 (ja) * | 2017-02-14 | 2018-08-23 | 三菱電機株式会社 | 電力用半導体装置 |
JP2018142655A (ja) * | 2017-02-28 | 2018-09-13 | 株式会社タムラ製作所 | ショットキーバリアダイオード |
JP2019036593A (ja) * | 2017-08-10 | 2019-03-07 | 株式会社タムラ製作所 | ダイオード |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021097085A (ja) * | 2019-12-13 | 2021-06-24 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JP7353957B2 (ja) | 2019-12-13 | 2023-10-02 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
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