ES2110956T3 - Mezcla polimerizable mediante radiacion, y procedimiento para la obtencion de una mascara de reserva de soldadura. - Google Patents
Mezcla polimerizable mediante radiacion, y procedimiento para la obtencion de una mascara de reserva de soldadura.Info
- Publication number
- ES2110956T3 ES2110956T3 ES90117636T ES90117636T ES2110956T3 ES 2110956 T3 ES2110956 T3 ES 2110956T3 ES 90117636 T ES90117636 T ES 90117636T ES 90117636 T ES90117636 T ES 90117636T ES 2110956 T3 ES2110956 T3 ES 2110956T3
- Authority
- ES
- Spain
- Prior art keywords
- radiation
- procedure
- obtaining
- welding
- polymerizable
- 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 - Lifetime
Links
- 239000000203 mixture Substances 0.000 title abstract 3
- 230000005855 radiation Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 3
- 239000004593 Epoxy Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000004848 polyfunctional curative Substances 0.000 abstract 1
- 229920005596 polymer binder Polymers 0.000 abstract 1
- 239000002491 polymer binding agent Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/285—Permanent coating compositions
- H05K3/287—Photosensitive compositions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F257/00—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00
- C08F257/02—Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group C08F12/00 on to polymers of styrene or alkyl-substituted styrenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/20—Masks or mask blanks for imaging by charged particle beam [CPB] radiation, e.g. by electron beam; Preparation thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
- G03F7/033—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
- H05K2203/0786—Using an aqueous solution, e.g. for cleaning or during drilling of holes
- H05K2203/0793—Aqueous alkaline solution, e.g. for cleaning or 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/136—Coating process making radiation sensitive element
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Polymerisation Methods In General (AREA)
- Epoxy Resins (AREA)
- Dental Preparations (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Reinforced Plastic Materials (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
SE DESCRIBE UNA MEZCLA POLIMERIZABLE POR RADIACION, QUE CONTIENE UNA COMBINACION POLIMERIZABLE; UN AGLUTINANTE POLIMERO CON UNIDADES DE ACIDO METACRIL, UN ESTER DE ACIDO METALCRIL Y UN ESTIROL EN UN CONTENIDO DEL 40 AL 65% DE PESO, UN PIGMENTO MINERAL FINO EN ACIDO DE SILICE O BASE DE SILICATO, UN INICIADOR DE FOTOPOLIMERIZACION, UNA COMBINACION CON AL MENOS DOS GRUPOS DE EPOXI EN LA MOLECULA Y UN ENDURECEDOR TERMICO PARA GRUPOS EPOXI. LA MEZCLA ES ADECUADA ESPECIALMENTE PARA MASCARA DE SOLDADURA Y PUEDE ENDURECERSE TRAS LA ILUMINACION Y DESARROLLARSE POR CALENTAMIENTO A 80 HASTA 150 C PARA UN PATRON RESISTENTE A LAS CONDICIONES DE LA SOLDADURA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3931467A DE3931467A1 (de) | 1989-09-21 | 1989-09-21 | Durch strahlung polymerisierbares gemisch und verfahren zur herstellung einer loetstopmaske |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2110956T3 true ES2110956T3 (es) | 1998-03-01 |
Family
ID=6389856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90117636T Expired - Lifetime ES2110956T3 (es) | 1989-09-21 | 1990-09-13 | Mezcla polimerizable mediante radiacion, y procedimiento para la obtencion de una mascara de reserva de soldadura. |
Country Status (15)
Country | Link |
---|---|
US (2) | US5264324A (es) |
EP (1) | EP0418733B1 (es) |
JP (1) | JP2662083B2 (es) |
KR (1) | KR0161970B1 (es) |
AT (1) | ATE162316T1 (es) |
AU (1) | AU633363B2 (es) |
CA (1) | CA2025831C (es) |
DE (2) | DE3931467A1 (es) |
DK (1) | DK0418733T3 (es) |
ES (1) | ES2110956T3 (es) |
FI (1) | FI904605A0 (es) |
IE (1) | IE903402A1 (es) |
IL (1) | IL95739A (es) |
NO (1) | NO904115L (es) |
ZA (1) | ZA907479B (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2706858B2 (ja) * | 1991-07-30 | 1998-01-28 | 富士写真フイルム株式会社 | 光重合性組成物 |
DE4142735A1 (de) * | 1991-12-21 | 1993-06-24 | Hoechst Ag | Durch strahlung polymerisierbares gemisch und verfahren zur herstellung einer loetstoppmaske |
US5389497A (en) * | 1992-06-03 | 1995-02-14 | Nippon Paint Co., Ltd. | Method for forming patterned solder mask |
DE4234072A1 (de) * | 1992-10-09 | 1994-04-14 | Morton Int Inc | Durch Strahlung polymerisierbares Gemisch und Verfahren zur Herstellung einer Lötstoppmaske |
DE4316087A1 (de) * | 1993-05-13 | 1994-11-17 | Morton Int Inc | Verfahren zum bildmäßigen Metallisieren von strukturierten Leiterplatten |
DE4336901A1 (de) * | 1993-10-28 | 1995-05-04 | Du Pont Deutschland | Photopolymerisierbares Gemisch und Verfahren zur Herstellung von Lötstopmasken |
US5545510A (en) * | 1995-03-28 | 1996-08-13 | Mac Dermid, Inc. | Photodefinable dielectric composition useful in the manufacture of printed circuits |
US5925499A (en) * | 1995-08-01 | 1999-07-20 | Morton International, Inc. | Epoxy-containing waterborne photoimageable composition |
US5844308A (en) * | 1997-08-20 | 1998-12-01 | Cts Corporation | Integrated circuit anti-bridging leads design |
US5874197A (en) * | 1997-09-18 | 1999-02-23 | E. I. Du Pont De Nemours And Company | Thermal assisted photosensitive composition and method thereof |
US6645696B1 (en) * | 2001-11-30 | 2003-11-11 | Euv Llc. | Photoimageable composition |
DE10204114A1 (de) * | 2002-02-01 | 2003-08-14 | Basf Coatings Ag | Thermisch und mit aktinischer Strahlung härtbares Stoffgemisch, Verfahren zu seiner Herstellung und seine Verwendung |
EP1336630A3 (en) * | 2002-02-15 | 2003-12-10 | Shipley Co. L.L.C. | Functionalized polymer |
JP4500657B2 (ja) * | 2004-11-30 | 2010-07-14 | 旭化成イーマテリアルズ株式会社 | パターン形成材料、並びにパターン形成装置及びパターン形成方法 |
JP2006208730A (ja) * | 2005-01-27 | 2006-08-10 | Fuji Photo Film Co Ltd | パターン形成材料、並びにパターン形成装置及びパターン形成方法 |
JP5661293B2 (ja) * | 2010-02-08 | 2015-01-28 | 太陽ホールディングス株式会社 | 光硬化性樹脂組成物、ドライフィルム、硬化物及びプリント配線板 |
JP5829035B2 (ja) * | 2011-03-31 | 2015-12-09 | 太陽インキ製造株式会社 | 光硬化性樹脂組成物、ドライフィルム、硬化物及びプリント配線板 |
WO2012141153A1 (ja) * | 2011-04-13 | 2012-10-18 | 太陽インキ製造株式会社 | 光硬化性樹脂組成物、ドライフィルム、硬化物及びプリント配線板 |
DE102011083791A1 (de) * | 2011-09-29 | 2013-04-04 | Robert Bosch Gmbh | Verfahren zur Herstellung einer Lötverbindung |
TWI547759B (zh) * | 2011-09-30 | 2016-09-01 | Taiyo Ink Mfg Co Ltd | A photosensitive resin composition, a hardened film thereof, and a printed wiring board |
JP2017165846A (ja) | 2016-03-15 | 2017-09-21 | アーゼッド・エレクトロニック・マテリアルズ(ルクセンブルグ)ソシエテ・ア・レスポンサビリテ・リミテ | 微細パターン形成用組成物およびそれを用いた微細パターン形成方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2064080C3 (de) * | 1970-12-28 | 1983-11-03 | Hoechst Ag, 6230 Frankfurt | Lichtempfindliches Gemisch |
US3887450A (en) * | 1971-02-04 | 1975-06-03 | Dynachem Corp | Photopolymerizable compositions containing polymeric binding agents |
US3776729A (en) * | 1971-02-22 | 1973-12-04 | Ibm | Photosensitive dielectric composition and process of using the same |
DE2363806B2 (de) * | 1973-12-21 | 1979-05-17 | Hoechst Ag, 6000 Frankfurt | Lichtempfindliches Gemisch |
ZA757984B (en) * | 1974-10-04 | 1976-12-29 | Dynachem Corp | Polymers for aqueous processed photoresists |
DE2861486D1 (en) * | 1977-11-21 | 1982-02-18 | Ciba Geigy Ag | Process for the application of soldering masks to printed circuits with through holes for contacting |
US4278752A (en) * | 1978-09-07 | 1981-07-14 | E. I. Du Pont De Nemours And Company | Flame retardant radiation sensitive element |
BR8001021A (pt) * | 1979-02-26 | 1980-10-29 | Du Pont | Material resistente de pelicula seca, rolo ajustado, mascara de solda e processo para a modificacao seletiva de uma superficie |
US4390615A (en) * | 1979-11-05 | 1983-06-28 | Courtney Robert W | Coating compositions |
DE3114931A1 (de) * | 1981-04-13 | 1982-10-28 | Hoechst Ag, 6000 Frankfurt | Durch strahlung polymerisierbares gemisch und daraus hergestelltes photopolymerisierbares kopiermaterial |
DE3120052A1 (de) * | 1981-05-20 | 1982-12-09 | Hoechst Ag, 6000 Frankfurt | Durch strahlung polymerisierbares gemisch und damit hergestelltes kopiermaterial |
DE3134123A1 (de) * | 1981-08-28 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | Durch strahlung polymerisierbares gemisch und daraushergestelltes photopolymerisierbares kopiermaterial |
EP0075537B2 (de) * | 1981-09-17 | 1991-03-20 | Ciba-Geigy Ag | Verfahren zum Beschichten gedruckter Schaltungen |
CA1194637A (en) * | 1982-04-26 | 1985-10-01 | Charles R. Morgan | Uv and thermally curable, thermoplastic-containing compositions |
DE3236560A1 (de) * | 1982-10-02 | 1984-04-05 | Hoechst Ag, 6230 Frankfurt | Lichtempfindliches schichtuebertragungsmaterial und verfahren zur herstellung einer photoresistschablone |
US4479983A (en) * | 1983-01-07 | 1984-10-30 | International Business Machines Corporation | Method and composition for applying coatings on printed circuit boards |
DE3412992A1 (de) * | 1984-04-06 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Durch strahlung polymerisierbares gemisch und verfahren zum aufbringen von markierungen auf eine loetstopresistschicht |
JPH0618856B2 (ja) * | 1986-02-14 | 1994-03-16 | 日本合成ゴム株式会社 | 液状感光性樹脂組成物およびそれを用いる画像形成法 |
JPS63258975A (ja) * | 1986-12-26 | 1988-10-26 | Toshiba Corp | ソルダーレジストインキ組成物 |
JP2604173B2 (ja) * | 1987-02-25 | 1997-04-30 | 東京応化工業株式会社 | 耐熱性感光性樹脂組成物 |
JP2604174B2 (ja) * | 1987-03-25 | 1997-04-30 | 東京応化工業株式会社 | 耐熱性感光性樹脂組成物 |
JPH0717737B2 (ja) * | 1987-11-30 | 1995-03-01 | 太陽インキ製造株式会社 | 感光性熱硬化性樹脂組成物及びソルダーレジストパターン形成方法 |
ATE119693T1 (de) * | 1987-12-07 | 1995-03-15 | Morton Int Inc | Zusammensetzungen für aufzeichnungsmaterialien. |
JPH0748108B2 (ja) * | 1988-02-02 | 1995-05-24 | イビデン株式会社 | 感光性樹脂組成物 |
JPH01203424A (ja) * | 1988-02-09 | 1989-08-16 | Toagosei Chem Ind Co Ltd | 硬化性組成物 |
-
1989
- 1989-09-21 DE DE3931467A patent/DE3931467A1/de not_active Withdrawn
-
1990
- 1990-09-13 AT AT90117636T patent/ATE162316T1/de not_active IP Right Cessation
- 1990-09-13 DE DE59010796T patent/DE59010796D1/de not_active Expired - Fee Related
- 1990-09-13 ES ES90117636T patent/ES2110956T3/es not_active Expired - Lifetime
- 1990-09-13 DK DK90117636T patent/DK0418733T3/da active
- 1990-09-13 EP EP90117636A patent/EP0418733B1/de not_active Expired - Lifetime
- 1990-09-19 ZA ZA907479A patent/ZA907479B/xx unknown
- 1990-09-19 FI FI904605A patent/FI904605A0/fi not_active Application Discontinuation
- 1990-09-19 IL IL9573990A patent/IL95739A/en not_active IP Right Cessation
- 1990-09-19 KR KR1019900014795A patent/KR0161970B1/ko not_active IP Right Cessation
- 1990-09-20 JP JP25168090A patent/JP2662083B2/ja not_active Expired - Fee Related
- 1990-09-20 NO NO90904115A patent/NO904115L/no unknown
- 1990-09-20 CA CA002025831A patent/CA2025831C/en not_active Expired - Fee Related
- 1990-09-20 IE IE340290A patent/IE903402A1/en not_active IP Right Cessation
- 1990-09-20 AU AU63047/90A patent/AU633363B2/en not_active Ceased
- 1990-09-20 US US07/585,642 patent/US5264324A/en not_active Expired - Lifetime
-
1993
- 1993-10-27 US US08/144,115 patent/US5387486A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU633363B2 (en) | 1993-01-28 |
DK0418733T3 (da) | 1998-09-07 |
ATE162316T1 (de) | 1998-01-15 |
EP0418733B1 (de) | 1998-01-14 |
IE903402A1 (en) | 1991-04-10 |
US5264324A (en) | 1993-11-23 |
EP0418733A2 (de) | 1991-03-27 |
NO904115D0 (no) | 1990-09-20 |
EP0418733A3 (en) | 1992-03-04 |
DE3931467A1 (de) | 1991-04-04 |
CA2025831A1 (en) | 1991-03-22 |
JP2662083B2 (ja) | 1997-10-08 |
DE59010796D1 (de) | 1998-02-19 |
AU6304790A (en) | 1991-03-28 |
FI904605A0 (fi) | 1990-09-19 |
IL95739A (en) | 1995-03-15 |
IL95739A0 (en) | 1991-06-30 |
ZA907479B (en) | 1991-06-26 |
NO904115L (no) | 1991-03-22 |
JPH03164742A (ja) | 1991-07-16 |
KR910006781A (ko) | 1991-04-30 |
US5387486A (en) | 1995-02-07 |
CA2025831C (en) | 2001-11-20 |
KR0161970B1 (ko) | 1999-01-15 |
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