AU574761B2 - Method of fabricating solar cells - Google Patents
Method of fabricating solar cellsInfo
- Publication number
- AU574761B2 AU574761B2 AU38886/85A AU3888685A AU574761B2 AU 574761 B2 AU574761 B2 AU 574761B2 AU 38886/85 A AU38886/85 A AU 38886/85A AU 3888685 A AU3888685 A AU 3888685A AU 574761 B2 AU574761 B2 AU 574761B2
- Authority
- AU
- Australia
- Prior art keywords
- nickel
- layer
- coating
- substrate
- silicon
- 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.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 116
- 239000010410 layer Substances 0.000 claims description 62
- 229910052759 nickel Inorganic materials 0.000 claims description 58
- 239000000758 substrate Substances 0.000 claims description 53
- 238000007747 plating Methods 0.000 claims description 43
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 40
- 229910052710 silicon Inorganic materials 0.000 claims description 40
- 239000010703 silicon Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000007654 immersion Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 16
- 150000002739 metals Chemical class 0.000 claims description 11
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000002344 surface layer Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000010884 ion-beam technique Methods 0.000 claims description 10
- 229910021334 nickel silicide Inorganic materials 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 238000001465 metallisation Methods 0.000 claims description 7
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- -1 fluoride ions Chemical class 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 239000010948 rhodium Substances 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 2
- 150000002815 nickel Chemical class 0.000 claims 1
- 238000002161 passivation Methods 0.000 description 33
- 229910052739 hydrogen Inorganic materials 0.000 description 23
- 239000001257 hydrogen Substances 0.000 description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 22
- 150000002500 ions Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000010953 base metal Substances 0.000 description 6
- 230000000873 masking effect Effects 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 206010010144 Completed suicide Diseases 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- 229910005883 NiSi Inorganic materials 0.000 description 1
- 229910012990 NiSi2 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XMIJDTGORVPYLW-UHFFFAOYSA-N [SiH2] Chemical compound [SiH2] XMIJDTGORVPYLW-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56306183A | 1983-12-19 | 1983-12-19 | |
| US65927984A | 1984-10-10 | 1984-10-10 | |
| US659279 | 1984-10-10 | ||
| US06/681,003 US4609565A (en) | 1984-10-10 | 1984-12-13 | Method of fabricating solar cells |
| US681003 | 1984-12-13 | ||
| US563061 | 1990-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3888685A AU3888685A (en) | 1985-07-12 |
| AU574761B2 true AU574761B2 (en) | 1988-07-14 |
Family
ID=27415903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU38886/85A Ceased AU574761B2 (en) | 1983-12-19 | 1984-12-14 | Method of fabricating solar cells |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0167589A4 (fr) |
| JP (1) | JPS61500756A (fr) |
| AU (1) | AU574761B2 (fr) |
| CH (1) | CH669476A5 (fr) |
| DE (1) | DE3490612T1 (fr) |
| GB (1) | GB2162996B (fr) |
| NL (1) | NL8420338A (fr) |
| SE (1) | SE456624B (fr) |
| WO (1) | WO1985002939A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU589621B2 (en) * | 1985-05-13 | 1989-10-19 | Mobil Solar Energy Corporation | Method of fabricating solar cells |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2160360B (en) * | 1983-12-19 | 1987-09-16 | Mobil Solar Energy Corp | Method of fabricating solar cells |
| NL2009382C2 (en) | 2012-08-29 | 2014-03-18 | M4Si B V | Method for manufacturing a solar cell and solar cell obtained therewith. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3889085A (en) * | 1983-12-19 | 1985-07-12 | Mobil Solar Energy Corp. | Ion milling |
| AU3889985A (en) * | 1983-12-19 | 1985-07-12 | Mobil Solar Energy Corp. | Proton milling as a form of plating mask |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004044A (en) * | 1975-05-09 | 1977-01-18 | International Business Machines Corporation | Method for forming patterned films utilizing a transparent lift-off mask |
| US4347264A (en) * | 1975-09-18 | 1982-08-31 | Solarex Corporation | Method of applying contacts to a silicon wafer and product formed thereby |
| US4152824A (en) * | 1977-12-30 | 1979-05-08 | Mobil Tyco Solar Energy Corporation | Manufacture of solar cells |
| US4214966A (en) * | 1979-03-20 | 1980-07-29 | Bell Telephone Laboratories, Incorporated | Process useful in the fabrication of articles with metallized surfaces |
| US4224084A (en) * | 1979-04-16 | 1980-09-23 | Rca Corporation | Method and structure for passivating a semiconductor device |
| US4289381A (en) * | 1979-07-02 | 1981-09-15 | Hughes Aircraft Company | High selectivity thin film polarizer |
| US4261762A (en) * | 1979-09-14 | 1981-04-14 | Eaton Corporation | Method for conducting heat to or from an article being treated under vacuum |
| JPS6059994B2 (ja) * | 1979-10-09 | 1985-12-27 | 三菱電機株式会社 | アルミニウム膜またはアルミニウム合金膜の微細パタ−ン形成方法 |
| US4343830A (en) * | 1980-11-13 | 1982-08-10 | Motorola, Inc. | Method for improving the efficiency of solar cells having imperfections |
| JPS5821324A (ja) * | 1981-07-30 | 1983-02-08 | Agency Of Ind Science & Technol | 水素添加した半導体薄膜成長用金属表面基板の前処理方法 |
-
1984
- 1984-12-14 DE DE19843490612 patent/DE3490612T1/de not_active Withdrawn
- 1984-12-14 EP EP19850900535 patent/EP0167589A4/fr not_active Withdrawn
- 1984-12-14 NL NL8420338A patent/NL8420338A/nl unknown
- 1984-12-14 JP JP85500715A patent/JPS61500756A/ja active Pending
- 1984-12-14 AU AU38886/85A patent/AU574761B2/en not_active Ceased
- 1984-12-14 GB GB08515901A patent/GB2162996B/en not_active Expired
- 1984-12-14 WO PCT/US1984/002065 patent/WO1985002939A1/fr not_active Application Discontinuation
-
1985
- 1985-08-16 SE SE8503833A patent/SE456624B/sv not_active IP Right Cessation
- 1985-12-14 CH CH3598/85A patent/CH669476A5/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3889085A (en) * | 1983-12-19 | 1985-07-12 | Mobil Solar Energy Corp. | Ion milling |
| AU3889985A (en) * | 1983-12-19 | 1985-07-12 | Mobil Solar Energy Corp. | Proton milling as a form of plating mask |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU589621B2 (en) * | 1985-05-13 | 1989-10-19 | Mobil Solar Energy Corporation | Method of fabricating solar cells |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8420338A (nl) | 1985-11-01 |
| SE456624B (sv) | 1988-10-17 |
| WO1985002939A1 (fr) | 1985-07-04 |
| JPS61500756A (ja) | 1986-04-17 |
| EP0167589A4 (fr) | 1989-01-19 |
| AU3888685A (en) | 1985-07-12 |
| GB2162996A (en) | 1986-02-12 |
| CH669476A5 (fr) | 1989-03-15 |
| SE8503833L (sv) | 1985-08-16 |
| GB2162996B (en) | 1987-08-12 |
| GB8515901D0 (en) | 1985-07-24 |
| EP0167589A1 (fr) | 1986-01-15 |
| SE8503833D0 (sv) | 1985-08-16 |
| DE3490612T1 (de) | 1985-11-28 |
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