DE3803511C2 - - Google Patents
Info
- Publication number
- DE3803511C2 DE3803511C2 DE3803511A DE3803511A DE3803511C2 DE 3803511 C2 DE3803511 C2 DE 3803511C2 DE 3803511 A DE3803511 A DE 3803511A DE 3803511 A DE3803511 A DE 3803511A DE 3803511 C2 DE3803511 C2 DE 3803511C2
- Authority
- DE
- Germany
- Prior art keywords
- film
- niobium
- electrode layer
- counter electrode
- layer
- 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.)
- Expired - Fee Related
Links
- 239000010408 film Substances 0.000 claims description 48
- 239000010955 niobium Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 17
- 229910052758 niobium Inorganic materials 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- VPBPKFIZNWQANG-UHFFFAOYSA-N [F].[Sn] Chemical compound [F].[Sn] VPBPKFIZNWQANG-UHFFFAOYSA-N 0.000 claims 1
- 238000001312 dry etching Methods 0.000 claims 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910000484 niobium oxide Inorganic materials 0.000 claims 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 63
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 230000007704 transition Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000004380 ashing Methods 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000000992 sputter etching Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- -1 germaniumxoid Chemical compound 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0912—Manufacture or treatment of Josephson-effect devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/089—Josephson devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/80—Material per se process of making same
- Y10S505/815—Process of making per se
- Y10S505/818—Coating
- Y10S505/82—And etching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/831—Static information storage system or device
- Y10S505/832—Josephson junction type
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Drying Of Semiconductors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62067791A JPS63234533A (ja) | 1987-03-24 | 1987-03-24 | ジヨセフソン接合素子の形成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3803511A1 DE3803511A1 (de) | 1988-10-06 |
| DE3803511C2 true DE3803511C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-13 |
Family
ID=13355126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3803511A Granted DE3803511A1 (de) | 1987-03-24 | 1988-02-05 | Verfahren zur herstellung von einrichtungen mit josephson-uebergang |
Country Status (4)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234533A (ja) * | 1987-03-24 | 1988-09-29 | Agency Of Ind Science & Technol | ジヨセフソン接合素子の形成方法 |
| JPH02203576A (ja) * | 1989-02-02 | 1990-08-13 | Agency Of Ind Science & Technol | ジョセフソン接合素子の形成方法 |
| US5021867A (en) * | 1989-05-30 | 1991-06-04 | Westinghouse Electric Corp. | Refractory resistors with etch stop for superconductor integrated circuits |
| NL8901874A (nl) * | 1989-07-20 | 1991-02-18 | Philips Nv | Planaire josephson inrichting. |
| JPH03233982A (ja) * | 1990-02-09 | 1991-10-17 | Hitachi Ltd | ジョセフソン接合素子のパターン形成方法 |
| US5055158A (en) * | 1990-09-25 | 1991-10-08 | International Business Machines Corporation | Planarization of Josephson integrated circuit |
| US5286336A (en) * | 1991-07-23 | 1994-02-15 | Trw Inc. | Submicron Josephson junction and method for its fabrication |
| GB2288094A (en) * | 1994-03-25 | 1995-10-04 | Secr Defence | Superconductive junction |
| JP3349001B2 (ja) * | 1994-12-29 | 2002-11-20 | ソニー株式会社 | 金属膜の形成方法 |
| US8236484B2 (en) * | 2003-11-14 | 2012-08-07 | Headway Technologies, Inc. | Single layer resist liftoff process for nano track width |
| US7615385B2 (en) | 2006-09-20 | 2009-11-10 | Hypres, Inc | Double-masking technique for increasing fabrication yield in superconducting electronics |
| US9741918B2 (en) | 2013-10-07 | 2017-08-22 | Hypres, Inc. | Method for increasing the integration level of superconducting electronics circuits, and a resulting circuit |
| KR102208348B1 (ko) * | 2016-09-15 | 2021-01-27 | 구글 엘엘씨 | 이온 밀 손상을 줄이기 위한 캐핑층 |
| CN110635022A (zh) * | 2019-09-27 | 2019-12-31 | 江苏鲁汶仪器有限公司 | 一种铌基约瑟夫森结刻蚀方法 |
| US11683995B2 (en) | 2020-08-03 | 2023-06-20 | International Business Machines Corporation | Lithography for fabricating Josephson junctions |
| CN111933788B (zh) * | 2020-08-11 | 2024-05-31 | 中国科学院紫金山天文台 | 一种制备高质量超导隧道结电路的方法 |
| CN114566588A (zh) * | 2022-03-09 | 2022-05-31 | 中国科学院上海微系统与信息技术研究所 | 一种基于MoN的SNS约瑟夫森结及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432134A (en) * | 1982-05-10 | 1984-02-21 | Rockwell International Corporation | Process for in-situ formation of niobium-insulator-niobium Josephson tunnel junction devices |
| JPS60208874A (ja) * | 1984-04-03 | 1985-10-21 | Nec Corp | ジヨセフソン接合素子の製造方法 |
| JPS6146081A (ja) * | 1984-08-10 | 1986-03-06 | Nec Corp | ジヨセフソン接合素子の製造方法 |
| JPS61245585A (ja) * | 1985-04-23 | 1986-10-31 | Nec Corp | ジヨセフソン接合素子の製造方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5732653A (en) * | 1980-08-05 | 1982-02-22 | Fujitsu Ltd | Manufacture of semiconductor device |
| JPS57204124A (en) * | 1981-06-10 | 1982-12-14 | Hitachi Ltd | Forming method for minute pattern |
| JPS5874042A (ja) * | 1981-10-29 | 1983-05-04 | Nec Corp | 半導体装置の製造方法 |
| US4418095A (en) * | 1982-03-26 | 1983-11-29 | Sperry Corporation | Method of making planarized Josephson junction devices |
| JPS58176983A (ja) * | 1982-04-12 | 1983-10-17 | Agency Of Ind Science & Technol | ジヨセフソン接合素子の作成方法 |
| US4548834A (en) * | 1982-05-31 | 1985-10-22 | Nec Corporation | Method of producing a Josephson tunnel barrier |
| JPS60113484A (ja) * | 1983-11-24 | 1985-06-19 | Fujitsu Ltd | ジョセフソン集積回路装置の製造方法 |
| US4560435A (en) * | 1984-10-01 | 1985-12-24 | International Business Machines Corporation | Composite back-etch/lift-off stencil for proximity effect minimization |
| JPS6257262A (ja) * | 1985-09-06 | 1987-03-12 | Agency Of Ind Science & Technol | ジヨセフソン接合素子の製造方法 |
| JPS6386487A (ja) * | 1986-09-30 | 1988-04-16 | Agency Of Ind Science & Technol | ジヨセフソン集積回路の抵抗体の製造方法 |
| JPS6394692A (ja) * | 1986-10-09 | 1988-04-25 | Agency Of Ind Science & Technol | ジヨセフソン接合素子の製造方法 |
| JPS63234533A (ja) * | 1987-03-24 | 1988-09-29 | Agency Of Ind Science & Technol | ジヨセフソン接合素子の形成方法 |
-
1987
- 1987-03-24 JP JP62067791A patent/JPS63234533A/ja active Pending
-
1988
- 1988-01-29 GB GB8801989A patent/GB2203009B/en not_active Expired - Fee Related
- 1988-02-01 US US07/150,796 patent/US4904619A/en not_active Expired - Fee Related
- 1988-02-05 DE DE3803511A patent/DE3803511A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432134A (en) * | 1982-05-10 | 1984-02-21 | Rockwell International Corporation | Process for in-situ formation of niobium-insulator-niobium Josephson tunnel junction devices |
| JPS60208874A (ja) * | 1984-04-03 | 1985-10-21 | Nec Corp | ジヨセフソン接合素子の製造方法 |
| JPS6146081A (ja) * | 1984-08-10 | 1986-03-06 | Nec Corp | ジヨセフソン接合素子の製造方法 |
| JPS61245585A (ja) * | 1985-04-23 | 1986-10-31 | Nec Corp | ジヨセフソン接合素子の製造方法 |
Non-Patent Citations (3)
| Title |
|---|
| JP 60208874 A (engl. Abstract) * |
| JP 61046081 A (engl. Abstract) * |
| JP 61245585 A (engl. Abstract) * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2203009A (en) | 1988-10-05 |
| DE3803511A1 (de) | 1988-10-06 |
| GB2203009B (en) | 1991-02-20 |
| GB8801989D0 (en) | 1988-02-24 |
| JPS63234533A (ja) | 1988-09-29 |
| US4904619A (en) | 1990-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |