CA1242295A - Polymer permanent flux and solder-through conformal coating - Google Patents
Polymer permanent flux and solder-through conformal coatingInfo
- Publication number
- CA1242295A CA1242295A CA000396915A CA396915A CA1242295A CA 1242295 A CA1242295 A CA 1242295A CA 000396915 A CA000396915 A CA 000396915A CA 396915 A CA396915 A CA 396915A CA 1242295 A CA1242295 A CA 1242295A
- Authority
- CA
- Canada
- Prior art keywords
- coating
- solder
- flux
- copolymer
- acid
- 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
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 239000011248 coating agent Substances 0.000 title claims abstract description 49
- 230000004907 flux Effects 0.000 title claims abstract description 25
- 229920000642 polymer Polymers 0.000 title description 3
- 229910000679 solder Inorganic materials 0.000 claims abstract description 12
- 150000003505 terpenes Chemical class 0.000 claims abstract description 12
- 235000007586 terpenes Nutrition 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 21
- 229920001577 copolymer Polymers 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 13
- 229920005684 linear copolymer Polymers 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000012768 molten material Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 9
- 239000011707 mineral Substances 0.000 abstract description 9
- 235000015096 spirit Nutrition 0.000 abstract description 8
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 abstract description 4
- 230000009974 thixotropic effect Effects 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 16
- 239000000499 gel Substances 0.000 description 14
- -1 polyethylene Polymers 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 206010059837 Adhesion Diseases 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920008712 Copo Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- IOVGROKTTNBUGK-SJCJKPOMSA-N ritodrine Chemical compound N([C@@H](C)[C@H](O)C=1C=CC(O)=CC=1)CCC1=CC=C(O)C=C1 IOVGROKTTNBUGK-SJCJKPOMSA-N 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
- B23K35/3613—Polymers, e.g. resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/447—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from acrylic compounds
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3489—Composition of fluxes; Methods of application thereof; Other methods of activating the contact surfaces
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2951—Metal with weld modifying or stabilizing coating [e.g., flux, slag, producer, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/243,980 US4369287A (en) | 1981-03-16 | 1981-03-16 | Permanent fluxing agent and solder-through conformal coating |
| US06/243,980 | 1981-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1242295A true CA1242295A (en) | 1988-09-20 |
Family
ID=22920896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000396915A Expired CA1242295A (en) | 1981-03-16 | 1982-02-24 | Polymer permanent flux and solder-through conformal coating |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4369287A (cg-RX-API-DMAC10.html) |
| EP (1) | EP0073811A4 (cg-RX-API-DMAC10.html) |
| JP (1) | JPS58500317A (cg-RX-API-DMAC10.html) |
| KR (1) | KR860000304B1 (cg-RX-API-DMAC10.html) |
| AU (1) | AU552570B2 (cg-RX-API-DMAC10.html) |
| BR (1) | BR8206878A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1242295A (cg-RX-API-DMAC10.html) |
| WO (1) | WO1982003221A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4640719A (en) * | 1985-07-01 | 1987-02-03 | Petroleum Fermentations N.V. | Method for printed circuit board and/or printed wiring board cleaning |
| NZ228160A (en) * | 1988-03-18 | 1990-11-27 | Grace W R & Co | Hot melt gasket comprising an ethylene/olefinic carboxylic acid copolymer |
| JP2000013006A (ja) * | 1998-06-19 | 2000-01-14 | Fujitsu Ten Ltd | プリント配線板の防湿方法およびフラックス残渣を残りやすくしたプリント配線板 |
| MXPA01010501A (es) | 1999-04-22 | 2002-08-20 | Corus Aluminium Walzprod Gmbh | Material de lamina compuesta para soldar. |
| US7041385B2 (en) | 1999-04-22 | 2006-05-09 | Corus Aluminium Walzprodukte Gmbh | Composite sheet material for brazing |
| CA2568454C (en) * | 2006-11-17 | 2014-01-28 | Nova Chemicals Corporation | Barrier film for food packaging |
| GB0703172D0 (en) | 2007-02-19 | 2007-03-28 | Pa Knowledge Ltd | Printed circuit boards |
| RU2533162C2 (ru) | 2008-08-18 | 2014-11-20 | Семблант Лимитед | Галогенуглеводородное полимерное покрытие |
| US8995146B2 (en) | 2010-02-23 | 2015-03-31 | Semblant Limited | Electrical assembly and method |
| GB201621177D0 (en) | 2016-12-13 | 2017-01-25 | Semblant Ltd | Protective coating |
| US10881007B2 (en) * | 2017-10-04 | 2020-12-29 | International Business Machines Corporation | Recondition process for BGA using flux |
| JP6932112B2 (ja) * | 2018-09-11 | 2021-09-08 | 株式会社タムラ製作所 | フラックス及びソルダペースト |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US628541A (en) * | 1898-11-04 | 1899-07-11 | Jesse F Kester | Self-fluxing solder. |
| US1615094A (en) * | 1923-01-23 | 1927-01-18 | Western Electric Co | Cored article and method of producing such articles |
| US2079710A (en) * | 1934-01-23 | 1937-05-11 | Jaeobson Eugene | Self-fluxing solder and process and apparatus for producing same |
| DE1508333A1 (de) * | 1951-01-28 | 1969-10-30 | Kueppers Metallwerk Gmbh | Flussmittel fuer Weichlote |
| US2715616A (en) * | 1951-12-20 | 1955-08-16 | Robert M Macintosh | Organic coating for wire |
| GB858483A (en) * | 1958-04-23 | 1961-01-11 | Fulham Electrical Components L | Improvements in electrical components such as capacitors having protective surface finishes |
| GB1089907A (en) * | 1963-09-27 | 1967-11-08 | Union Carbide Corp | Plasticized ethylene-acrylic acid copolymers |
| US3389109A (en) * | 1965-07-26 | 1968-06-18 | Dow Chemical Co | Method for preparing aqueous dispersions of ethylene copolymers |
| US3578630A (en) * | 1966-03-03 | 1971-05-11 | Dow Chemical Co | Glass filled random copolymers of an olefin and an unsaturated acid |
| US3557037A (en) * | 1966-12-23 | 1971-01-19 | George W Collins | Rheological property-modified particle suspensions in organic liquids |
| US3485783A (en) * | 1967-10-16 | 1969-12-23 | Continental Can Co | Hot melt adhesive composition |
| US3554957A (en) * | 1968-01-11 | 1971-01-12 | Dow Chemical Co | Solvent systems for copclymers of ethylene and acrylic acid |
| US3541033A (en) * | 1968-03-25 | 1970-11-17 | Union Carbide Corp | Crystalline ethylene, alpha-beta olefinically unsaturated carboxylic acid copolymer latex paper coating compositions |
| US3520861A (en) * | 1968-12-26 | 1970-07-21 | Dow Chemical Co | Copolymers of ethylene |
| US3607813A (en) * | 1969-09-05 | 1971-09-21 | Union Carbide Corp | Printing ink compositions |
| US3793288A (en) * | 1969-10-09 | 1974-02-19 | Union Carbide Corp | Bonding of thermoplastic polymers to inorganic oxides particles |
| US3814737A (en) * | 1970-09-30 | 1974-06-04 | Gulf Research Development Co | Ethylene-acrylic acid polymers having improved optical characteristics |
| US3853606A (en) * | 1971-01-19 | 1974-12-10 | Steel Corp | Coated metal fasteners |
| US3791027A (en) * | 1971-06-30 | 1974-02-12 | Ibm | Soldering method |
| US4239812A (en) * | 1978-01-30 | 1980-12-16 | Cooper Industries, Inc. | Soldering flux |
| US4192788A (en) * | 1978-07-26 | 1980-03-11 | Eastman Kodak Company | Modified polyethylene containing hot-melt adhesives useful for carpet tape |
| US4190565A (en) * | 1978-08-30 | 1980-02-26 | Eastman Kodak Company | Filled hot-melt adhesives containing modified polyethylene |
| US4296019A (en) * | 1979-11-29 | 1981-10-20 | The Dow Chemical Co. | Solvent blends for ethylene copolymers |
| US4289669A (en) * | 1980-07-28 | 1981-09-15 | Gulf Oil Corporation | Alkali-soluble hot melt adhesive compositions |
| US4283317A (en) * | 1980-09-15 | 1981-08-11 | E. I. Du Pont De Nemours And Company | Wax-free, hot melt adhesive compositions |
-
1981
- 1981-03-16 US US06/243,980 patent/US4369287A/en not_active Expired - Lifetime
-
1982
- 1982-02-23 WO PCT/US1982/000223 patent/WO1982003221A1/en not_active Ceased
- 1982-02-23 JP JP57501104A patent/JPS58500317A/ja active Granted
- 1982-02-23 AU AU82740/82A patent/AU552570B2/en not_active Ceased
- 1982-02-23 EP EP19820901079 patent/EP0073811A4/en not_active Withdrawn
- 1982-02-23 BR BR8206878A patent/BR8206878A/pt unknown
- 1982-02-24 CA CA000396915A patent/CA1242295A/en not_active Expired
- 1982-03-15 KR KR8201094A patent/KR860000304B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0073811A1 (en) | 1983-03-16 |
| AU552570B2 (en) | 1986-06-05 |
| WO1982003221A1 (en) | 1982-09-30 |
| JPS58500317A (ja) | 1983-03-03 |
| BR8206878A (pt) | 1983-03-01 |
| KR860000304B1 (ko) | 1986-03-31 |
| KR830009182A (ko) | 1983-12-17 |
| AU8274082A (en) | 1982-10-06 |
| JPH0372394B2 (cg-RX-API-DMAC10.html) | 1991-11-18 |
| US4369287A (en) | 1983-01-18 |
| EP0073811A4 (en) | 1984-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1242295A (en) | Polymer permanent flux and solder-through conformal coating | |
| US20100193573A1 (en) | Method of Improving the Solderability of a Printed Circuit Board | |
| US4548879A (en) | Solderable polymer thick films | |
| JPS6070746A (ja) | 厚膜導体組成物 | |
| EP0783177B1 (en) | Conductive adhesive and method for the production of a microcapsule type conductive filler for the conductive adhesive | |
| JPH01113198A (ja) | はんだペースト | |
| WO1997043081A1 (en) | A solder composition | |
| US4834794A (en) | Solder composition of mixed powders | |
| JPH1133776A (ja) | 半田材料及びそれを用いた電子部品 | |
| CN100439565C (zh) | 对Sn合金的表面处理剂及表面处理方法 | |
| US5175023A (en) | Method for forming insulating coating material for electronic circuit board | |
| EP0497481A2 (en) | Water-soluble soldering paste | |
| JPS62230869A (ja) | 半田付可能な導電塗料 | |
| WO2020136525A1 (en) | Hot-melt resin for dissipating heat and electrically insulating | |
| US3918980A (en) | Bonded solderable silver article, composition, and method of bonding silver to a ceramic substrate | |
| US4354311A (en) | Solderable conductor composition and a method of soldering a lead to a lead pad | |
| US4929284A (en) | Water removable solder stop | |
| JPH0241556B2 (cg-RX-API-DMAC10.html) | ||
| JPS61129297A (ja) | クリ−ムはんだ | |
| KR960000193B1 (ko) | 디바이스의 리드 솔더링 방법 | |
| JPS6338292A (ja) | プリント配線基板の半田付け保護膜形成方法 | |
| CA2189801C (en) | Method for production of microcapsule type conductive filler | |
| US20010047737A1 (en) | Method of pretreating articles for brazing and coating material therefor | |
| JP2024525058A (ja) | 仮固定剤として利用可能な組成物 | |
| JPH05214121A (ja) | ポリエステル系熱硬化性樹脂フィルム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |