JP7218314B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7218314B2 JP7218314B2 JP2020043857A JP2020043857A JP7218314B2 JP 7218314 B2 JP7218314 B2 JP 7218314B2 JP 2020043857 A JP2020043857 A JP 2020043857A JP 2020043857 A JP2020043857 A JP 2020043857A JP 7218314 B2 JP7218314 B2 JP 7218314B2
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- conductive layer
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- 239000004065 semiconductor Substances 0.000 title claims description 75
- 239000010936 titanium Substances 0.000 claims description 27
- 239000011701 zinc Substances 0.000 claims description 27
- 239000012535 impurity Substances 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 128
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 10
- 239000010931 gold Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 4
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/452—Ohmic electrodes on AIII-BV compounds
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28575—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53242—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being a noble metal, e.g. gold
- H01L23/53252—Additional layers associated with noble-metal layers, e.g. adhesion, barrier, cladding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53257—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being a refractory metal
- H01L23/53266—Additional layers associated with refractory-metal layers, e.g. adhesion, barrier, cladding layers
Landscapes
- 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)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Description
実施形態の半導体装置は、n型不純物を含むIII-V族半導体層と、III-V族半導体層の上に設けられ、Ti(チタン)及びIII-V族半導体層のp型不純物となり得る第1元素を含み、第1領域と、第1領域より第1元素濃度の高い第2領域と、を有する第1導電層と、第1導電層の上に設けられた第2導電層と、を備える。
4 第5導電層
6 第1導電層
6a 第1領域
6b 第2領域
8 第3導電層
10 第4導電層
12 第2導電層
100 半導体装置
Claims (3)
- n型不純物を含むIII-V族半導体層と、
前記III-V族半導体層の上に設けられ、Ti(チタン)及び前記III-V族半導体層のp型不純物となり得る第1元素を含み、第1領域と、前記第1領域より第1元素濃度の高い第2領域と、を有する第1導電層と、
前記第1導電層の上に設けられた第2導電層と、
を備える半導体装置。 - 前記第2領域は、前記第1領域の上に設けられている請求項1記載の半導体装置。
- 前記第1元素は、Zn(亜鉛)、Mg(マグネシウム)又はBe(ベリリウム)である請求項1又は請求項2記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020043857A JP7218314B2 (ja) | 2020-03-13 | 2020-03-13 | 半導体装置 |
CN202010798554.6A CN113394275A (zh) | 2020-03-13 | 2020-08-11 | 半导体装置 |
US17/012,188 US20210288159A1 (en) | 2020-03-13 | 2020-09-04 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020043857A JP7218314B2 (ja) | 2020-03-13 | 2020-03-13 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021145079A JP2021145079A (ja) | 2021-09-24 |
JP7218314B2 true JP7218314B2 (ja) | 2023-02-06 |
Family
ID=77616395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020043857A Active JP7218314B2 (ja) | 2020-03-13 | 2020-03-13 | 半導体装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210288159A1 (ja) |
JP (1) | JP7218314B2 (ja) |
CN (1) | CN113394275A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3740966A4 (en) * | 2018-01-16 | 2021-10-27 | Princeton Optronics, Inc. | OHMIC CONTACTS AND ASSOCIATED MANUFACTURING PROCESSES |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005303252A (ja) | 2004-04-07 | 2005-10-27 | Epitech Corp Ltd | 窒化物発光ダイオードおよびその製造方法 |
JP2007059508A (ja) | 2005-08-23 | 2007-03-08 | Nec Corp | n型窒化物半導体の電極及びn型窒化物半導体の電極の形成方法 |
JP2008078432A (ja) | 2006-09-22 | 2008-04-03 | Matsushita Electric Ind Co Ltd | 発光素子 |
JP2020155477A (ja) | 2019-03-18 | 2020-09-24 | 株式会社東芝 | 半導体装置およびその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62132360A (ja) * | 1985-12-04 | 1987-06-15 | Toshiba Corp | 半導体装置 |
JPH04109674A (ja) * | 1990-08-29 | 1992-04-10 | Victor Co Of Japan Ltd | 化合物半導体装置 |
JPH09232632A (ja) * | 1995-12-22 | 1997-09-05 | Toshiba Corp | 半導体発光素子及びその製造方法 |
US6222267B1 (en) * | 1997-06-17 | 2001-04-24 | Yamaha Corporation | Semiconductor device and manufacturing thereof |
JP3003632B2 (ja) * | 1997-06-27 | 2000-01-31 | 日本電気株式会社 | 半導体集積回路およびその製造方法 |
JP2002111052A (ja) * | 2000-09-28 | 2002-04-12 | Toshiba Corp | 半導体発光素子及びその製造方法 |
DE102004023977A1 (de) * | 2004-05-14 | 2006-01-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Transparenter Kontakt und Verfahren zu dessen Herstellung |
JP2007227832A (ja) * | 2006-02-27 | 2007-09-06 | Matsushita Electric Ind Co Ltd | 窒化物半導体素子 |
JP2012164718A (ja) * | 2011-02-03 | 2012-08-30 | Advanced Power Device Research Association | 半導体デバイスおよび半導体デバイス製造方法 |
JP5429718B2 (ja) * | 2011-03-08 | 2014-02-26 | 合同会社先端配線材料研究所 | 酸化物半導体用電極、その形成方法 |
JP2014027187A (ja) * | 2012-07-27 | 2014-02-06 | Fujitsu Ltd | 化合物半導体装置及びその製造方法 |
US10381455B1 (en) * | 2015-09-11 | 2019-08-13 | United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Diffusion barrier systems (DBS) for high temperature semiconductor electrical contacts |
-
2020
- 2020-03-13 JP JP2020043857A patent/JP7218314B2/ja active Active
- 2020-08-11 CN CN202010798554.6A patent/CN113394275A/zh active Pending
- 2020-09-04 US US17/012,188 patent/US20210288159A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005303252A (ja) | 2004-04-07 | 2005-10-27 | Epitech Corp Ltd | 窒化物発光ダイオードおよびその製造方法 |
JP2007059508A (ja) | 2005-08-23 | 2007-03-08 | Nec Corp | n型窒化物半導体の電極及びn型窒化物半導体の電極の形成方法 |
JP2008078432A (ja) | 2006-09-22 | 2008-04-03 | Matsushita Electric Ind Co Ltd | 発光素子 |
JP2020155477A (ja) | 2019-03-18 | 2020-09-24 | 株式会社東芝 | 半導体装置およびその製造方法 |
JP7111643B2 (ja) | 2019-03-18 | 2022-08-02 | 株式会社東芝 | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113394275A (zh) | 2021-09-14 |
US20210288159A1 (en) | 2021-09-16 |
JP2021145079A (ja) | 2021-09-24 |
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