WO2006025224A1 - はんだ付け用フラックス - Google Patents
はんだ付け用フラックス Download PDFInfo
- Publication number
- WO2006025224A1 WO2006025224A1 PCT/JP2005/015187 JP2005015187W WO2006025224A1 WO 2006025224 A1 WO2006025224 A1 WO 2006025224A1 JP 2005015187 W JP2005015187 W JP 2005015187W WO 2006025224 A1 WO2006025224 A1 WO 2006025224A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flux
- tetrazole
- soldering
- copper
- rosin
- Prior art date
Links
- 230000004907 flux Effects 0.000 title claims abstract description 88
- 238000005476 soldering Methods 0.000 title claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 claims abstract description 57
- 150000003536 tetrazoles Chemical class 0.000 claims abstract description 47
- 239000002904 solvent Substances 0.000 claims abstract description 16
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 13
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910000679 solder Inorganic materials 0.000 claims description 47
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 37
- 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 claims description 35
- 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 claims description 35
- 239000012190 activator Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000000539 dimer Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 3
- 240000006240 Linum usitatissimum Species 0.000 claims 1
- 235000004431 Linum usitatissimum Nutrition 0.000 claims 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 29
- 229910052751 metal Inorganic materials 0.000 abstract description 29
- 239000000344 soap Substances 0.000 abstract description 28
- 238000005260 corrosion Methods 0.000 abstract description 17
- 230000007797 corrosion Effects 0.000 abstract description 17
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 14
- 150000007524 organic acids Chemical class 0.000 abstract description 13
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 7
- 229910001431 copper ion Inorganic materials 0.000 abstract description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract description 6
- 239000005751 Copper oxide Substances 0.000 abstract description 6
- 229910000431 copper oxide Inorganic materials 0.000 abstract description 6
- 150000001879 copper Chemical class 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 125000001424 substituent group Chemical group 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 23
- 241001311547 Patina Species 0.000 description 13
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Chemical compound C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- -1 amine amine Chemical class 0.000 description 7
- 235000005985 organic acids Nutrition 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 5
- 239000012964 benzotriazole Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000013543 active substance Substances 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 230000001747 exhibiting effect Effects 0.000 description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical class OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 235000004515 gallic acid Nutrition 0.000 description 3
- 229940074391 gallic acid Drugs 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- ULRPISSMEBPJLN-UHFFFAOYSA-N 2h-tetrazol-5-amine Chemical compound NC1=NN=NN1 ULRPISSMEBPJLN-UHFFFAOYSA-N 0.000 description 2
- BTXXTMOWISPQSJ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-one Chemical compound CC(=O)CC(F)(F)F BTXXTMOWISPQSJ-UHFFFAOYSA-N 0.000 description 2
- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- MHVJRKBZMUDEEV-APQLOABGSA-N (+)-Pimaric acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CC[C@](C=C)(C)C=C2CC1 MHVJRKBZMUDEEV-APQLOABGSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- ODDAWJGQWOGBCX-UHFFFAOYSA-N 1-[2-(dimethylazaniumyl)ethyl]tetrazole-5-thiolate Chemical compound CN(C)CCN1N=NN=C1S ODDAWJGQWOGBCX-UHFFFAOYSA-N 0.000 description 1
- XOHZHMUQBFJTNH-UHFFFAOYSA-N 1-methyl-2h-tetrazole-5-thione Chemical compound CN1N=NN=C1S XOHZHMUQBFJTNH-UHFFFAOYSA-N 0.000 description 1
- JAAIPIWKKXCNOC-UHFFFAOYSA-N 1h-tetrazol-1-ium-5-thiolate Chemical compound SC1=NN=NN1 JAAIPIWKKXCNOC-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- WYXQDGGJZMWJOX-UHFFFAOYSA-N 5-ethyl-1-methyltetrazole Chemical compound CCC1=NN=NN1C WYXQDGGJZMWJOX-UHFFFAOYSA-N 0.000 description 1
- XZGLNCKSNVGDNX-UHFFFAOYSA-N 5-methyl-2h-tetrazole Chemical compound CC=1N=NNN=1 XZGLNCKSNVGDNX-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- QUUCYKKMFLJLFS-UHFFFAOYSA-N Dehydroabietan Natural products CC1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 QUUCYKKMFLJLFS-UHFFFAOYSA-N 0.000 description 1
- NFWKVWVWBFBAOV-UHFFFAOYSA-N Dehydroabietic acid Natural products OC(=O)C1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 NFWKVWVWBFBAOV-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- NFWKVWVWBFBAOV-MISYRCLQSA-N dehydroabietic acid Chemical compound OC(=O)[C@]1(C)CCC[C@]2(C)C3=CC=C(C(C)C)C=C3CC[C@H]21 NFWKVWVWBFBAOV-MISYRCLQSA-N 0.000 description 1
- 229940118781 dehydroabietic acid Drugs 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- 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
- B23K35/362—Selection of compositions of fluxes
-
- 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
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
-
- 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
-
- 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
-
- 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
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
- H05K2203/124—Heterocyclic organic compounds, e.g. azole, furan
Definitions
- the present invention relates to a soldering flux.
- it relates to soldering flux that does not turn green when soldering to copper lands.
- solder a brazing material having a low melting temperature and capable of Sn and Pb is called solder and has been used for a long time as a joining material. Since solder has a low melting temperature and high bonding reliability, it is widely used for assembling printed circuit boards and electronic parts for electronic devices. While the printed circuit boards and electronic components of electronic devices are stored as stock after manufacture, the surfaces come into contact with the air and oxidize. Therefore, solder cannot be joined simply by heating the solder material and the printed circuit board or electronic component. In order to join the solder to the printed circuit board, the flux and the auxiliary material used to remove the solder and the oxides on the surface of the printed circuit board and make the solder easy to wet the surface of the printed circuit board are used. The
- Flux consists of a rosin-based flux in which an activator is added to water such as rosin and synthetic resin, and an organic acid activator in water and organic resin such as polyethylene glycol. It can be classified into a water-soluble flux dissolved in a solvent and an inorganic flux using inorganic materials such as hydrochloric acid and salt zinc. Inorganic and water-soluble fluxes are required to be cleaned of the flux residue after soldering. In the case of rosin-based fluxes, it can often be used without washing. For this reason, resin-based flux is mainly used for soldering printed circuit boards.
- solder printed circuit boards and electronic parts are assembled using manual soldering, in which solder is soldered by soldering wire solder that contains flux and soldered to a solder bath. Soldering, and soldering the printed circuit board on which the post-flux is applied in the solder bath, reflow soldering that heats the printed circuit board on which the solder powder and the paste-like solder with the flux power are printed in a reflow oven Such There is a way. Among them, flow soldering is widely used because of its mass productivity and low cost.
- Post flux used for flow soldering is obtained by dissolving rosin and rosin-modified rosin and an active agent such as amine hydrohalic acid salt or organic acid in an alcoholic solvent such as ethanol or isopropanol.
- Rosin is a mixture of terpene-based organic acids such as abietic acid and d-pymaric acid, which brings the activity to the flux.
- the residue after soldering is practically non-corrosive, non-hygroscopic and insulating at room temperature, so it can be used without washing.
- patinas were generated when inorganic fluxes such as hydrochloric acid and salty zinc were used before the highly reliable rosin flux was used. At present, a flux with strong activity that generates patina is no longer used for the assembly of printed circuit boards, but it is rare under high-temperature and high-humidity conditions that cause condensation even with a resin-based flux. May occur.
- a green compound may be generated.
- the amine hydrohalate is used as the activator for the resin-based postflux. If a large amount of amine hydrobromide is added in order to improve the wettability of the flux, the corrosiveness and the insulation will be reduced. Therefore, a lot of amine amine hydrohalates cannot be used. Instead, the wettability is improved by covering organic acids such as dicarboxylic acids. However, if a large amount of organic acid such as dicarboxylic acid is used in rosin-based postflux, the carboxyl group of dicarboxylic acid reacts with copper oxide to produce a copper metal soap exhibiting a green color. This metal soap is the same as patina in appearance and cannot be distinguished, so it often causes problems when soldering printed circuit boards!
- Patent Document 1 Japanese Patent Application Laid-Open No. 64-11094
- the problem to be solved by the present invention is the generation of copper metallic soap that does not corrode even in high-temperature and high-humidity environments and has a green color, such as in-vehicle electronic devices. It is to provide a soldering flux with high reliability.
- the present inventor has found that the addition of tetrazole and its derivatives to the soldering flux can suppress the generation of copper metal soap, and has completed the present invention.
- Organic acids such as dicarboxylic acid contained in the soldering flux show acidity when the carboxyl group is dissociated in a solvent such as alcohol.
- the copper metal soap that exhibits green color is formed by the reaction between the dissociated carboxyl groups and copper ions. Rosin is carboxyl Therefore, even if the soldering flux does not contain organic acids such as dicarboxylic acid, the rosin-based flux that uses rosin will produce copper metal soap that exhibits a green color.
- tetrazole and a tetrazole derivative to the soldering flux, it is possible to prevent the carboxyl group and the copper ion from reacting unilaterally, thereby suppressing the occurrence of green copper soap.
- Tetrazole is a five-membered ring compound with two nitrogen bonds and four nitrogen atoms and one carbon atom.
- the double bond of tetrazole ring contained in tetrazole tends to be polarized because it donates electrons to each other.
- tetrazole and tetrazole derivatives tend to dissociate electrons in solvents such as alcohol, and have solderability similar to that of organic acids.
- solvents such as alcohol
- Tetrazole and tetrazole derivatives used in the present invention may be used alone, or even when used together with organic acids such as dicarboxylic acid and dimer acid, it is possible to suppress the generation of copper metal soap exhibiting green color.
- the tetrazole ring contained in tetrazole and tetrazole derivatives is stable, and tetrazole and tetrazole derivatives in soldering fluxes do not easily react with metals such as copper, but in acidic solutions, etc. Reacts with other metals to make metal salts. Even in that case, the copper salt of tetrazole produced by reacting copper with tetrazole and its derivatives is colorless and transparent and is not confused with patina.
- This copper salt of tetrazole is stable in a solvent, but if it crystallizes, it may explode by heating, so it is necessary to avoid producing a large amount of metal salt of copper, tetrazole and tetrazole derivatives. is necessary.
- the amount of tetrazole and the tetrazole derivative added to the soldering flux of the present invention is less than 0.05% by mass, only the carboxyl group and the copper ion are prevented from reacting unilaterally, and the copper exhibiting a green color is prevented. More than 5% by mass, which has an effect of suppressing the generation of metallic soap, and the reaction between copper and tetrazole becomes violent and explosive copper and tetrazole And metal salts of tetrazole derivatives are easily formed. Therefore, the amount of tetrazole and tetrazole derivatives used in the soldering flux of the present invention must be in the range of 0.05 to 5% by weight. Even more preferably, it is in the range of 0.2 to 5% by mass.
- the present invention ⁇ in ⁇ based flux becomes active agent and solvent power, tetrazole and soldering flux also those forces derivative thereof was 0.05 to 5 mass 0/0 added.
- Tetrazole and tetrazole derivatives used in the present invention include 1H-tetrazole, 2H-tetrazole, 5 amino-1H-tetrazole, 5 phenyl 1H-tetrazole, 5-methyl-1H-tetrazole, 1-methyl-5 Ethyl 1H—tetrazole, 1-methyl-5 mercapto 1H—tetrazole, 1 Fenil 5 Mercapto 1, 2, 3, 4-tetrazole, 1— (2 dimethylaminoethyl) -5-mercapto—1H—tetrazole, 5, 5 , 1B 1H-tetrazole, 5, 5, and azobis 1H-tetrazole.
- tetrazole and tetrazole derivatives used in the present invention those having a hydrogen substituent at the 1-position of the tetrazole ring have a strong electron-withdrawing property and are particularly easily dissociated in a solvent, so that solderability is particularly high. It is good.
- the tetrazole whose substituent at the 1-position of the tetrazole ring is hydrogen is 1H-tetrazoletetrazole, and its derivatives include 5-ferro 1H-tetrazole and 5 amino-1H-tetrazole.
- the substituent at the 1-position is hydrogen
- the 5-position 1H-tetrazole and its derivatives, which have a strong electron-absorbing I-type and a phenol group at the 5-position are The polarity increases and solderability is particularly good.
- the present invention ⁇ , in the active agent and solvent power also ⁇ based flux, 5-Hue - Rutetorazoru and are Flux only soldering consisting of those obtained by a derivative thereof 0.05 to 5 mass 0/0 added .
- the soldering flux of the present invention can be used not only for the post flux used for flow soldering but also for the flux of solder and solder paste.
- the soldering flux of the present invention contains tetrazole and its derivatives. By adding this, it suppresses the reaction between the carboxyl group and the copper ions, which can be achieved simply by suppressing the generation of copper metal soap that exhibits a green color. This also has the effect of preventing corrosion by organic acids and activators. Therefore, by using the soldering flux of the present invention for the solder paste used for soldering fine parts that are susceptible to changes in performance due to corrosion, good soldering without corrosion can be obtained. .
- the present invention is a solder paste comprising a solder paste mixed with solder powder and a flux, mixed with 0.05 to 5% by mass of tetrazole and its derivative, and mixed with a powerful flux.
- the soldering flux of the present invention suppresses the reaction between a carboxyl group contained in dicarboxylic acid or the like and copper ions, so that the carboxyl group reacts with copper oxide to produce a copper metal soap exhibiting a green color. Has the effect of preventing. For this reason, the use of the soldering flux of the present invention makes it possible to form a metal soap of a carboxyl group and copper that is indistinguishable from the patina of copper corrosion. There is an advantage in that it becomes easy to investigate the cause of a failure caused by corrosion, that is, a failure caused by so-called soldering or a failure caused by the electronic component itself, and that a quick and powerful response is possible.
- soldering flux of the present invention is effective when using a rosin-based resin such as rosin and modified rosin, and a resin having a carboxyl group such as acrylic resin, especially rosin-based resins such as rosin and modified rosin.
- Rosin-based rosin contains carboxylic acids such as abietic acid, neoagepinic acid, dehydroabietic acid, and d-pimaric acid. That is, the present invention is a rosin flux that also has rosin, activator, and solvent power. It is a flux for soldering that also has great strength.
- the soldering flux of the present invention is a carboxylic acid such as dicarboxylic acid or dimer acid. This is effective when using materials with a ru group. Suppresses the reaction between the carboxyl group contained in the same dicarboxylic acid as rosin and other rosins and copper ions, preventing the formation of green copper soap.
- Examples of the dicarboxylic acid used in the soldering flux of the present invention include adipic acid, daltaric acid, and sebacic acid.
- As the diacid one obtained by polymerizing oleic acid or the like between two molecules is used.
- Example 2 was made, and its corrosivity and wettability were compared.
- a post-flux was prepared with the composition shown in Table 1, and the wetness of the copper plate corrosion and flux was compared with the comparative example.
- the solder spreading method test was used for the wettability of the flux. The results are also shown in Table 1.
- test piece 1) Make a 3mm indentation with a 20mm diameter steel ball at the center of a 50mm x 50mm x 0.5mm phosphorous deoxidized copper plate to make a test piece.
- the test piece is degreased with acetone and then immersed in sulfuric acid at 65 ° C for 1 minute to remove the oxide film on the surface. After dipping in 20 ° C ammonium persulfate for 1 minute, wash with purified water and dry to make a test copper plate.
- test copper plate Place the test copper plate in a constant temperature and humidity chamber set at a temperature of 40 ⁇ 2 ° C and a relative humidity of 90 to 95%. There are two test copper plates for each flux, and one blank is added.
- Residue color is green or blue and discoloration is large
- Solder composition Sn-3.0Ag-0.5Cu wire diameter 1.6mm wire solder is wound around a 3.2mm diameter rod, and 1mm is used as the solder sample.
- the mass of the solder used in the test excludes the mass of the flux containing the sample's mass force.
- the mass of the solder used in the test is the mass excluding the mass of the mass-containing flux of the sample.
- a solder paste was prepared with the composition shown in Table 2, and a copper mirror corrosion test was conducted, which was compared with a comparative example. The results are shown in Table 2.
- test copper plate in a constant temperature and humidity chamber set to a temperature of 40 ⁇ 2 ° C and a relative humidity of 90 to 95% and leave it for 24 hours. After leaving it for 24 hours, remove it from the thermo-hygrostat, wash the copper mirror surface with 2-propanol and dry it. Determine the degree of corrosion of the copper mirror specimen by comparing it with the comparative specimen.
- the soldering flux of the present invention does not corrode compared with the gallic acid ester added in the comparative example, and has better wettability compared to the one added with benzotriazole and is mistaken for patina. It does not make easy copper metal soap.
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05772603.6A EP1795296B1 (en) | 2004-08-31 | 2005-08-22 | Copper land-soldering flux |
CN200580028452XA CN101005918B (zh) | 2004-08-31 | 2005-08-22 | 软钎焊用焊剂 |
US11/661,322 US8404057B2 (en) | 2004-08-31 | 2005-08-22 | Soldering flux |
JP2006531888A JP4760710B2 (ja) | 2004-08-31 | 2005-08-22 | はんだ付け用フラックス |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004253186 | 2004-08-31 | ||
JP2004-253186 | 2004-08-31 |
Publications (1)
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WO2006025224A1 true WO2006025224A1 (ja) | 2006-03-09 |
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PCT/JP2005/015187 WO2006025224A1 (ja) | 2004-08-31 | 2005-08-22 | はんだ付け用フラックス |
Country Status (6)
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US (1) | US8404057B2 (ja) |
EP (1) | EP1795296B1 (ja) |
JP (1) | JP4760710B2 (ja) |
KR (1) | KR100907204B1 (ja) |
CN (1) | CN101005918B (ja) |
WO (1) | WO2006025224A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013189683A (ja) * | 2012-03-14 | 2013-09-26 | Shikoku Chem Corp | 銅または銅合金の表面処理剤およびその利用 |
WO2019132015A1 (ja) * | 2017-12-29 | 2019-07-04 | 千住金属工業株式会社 | 樹脂組成物及びはんだ付け用フラックス |
WO2019132003A1 (ja) * | 2017-12-29 | 2019-07-04 | 千住金属工業株式会社 | フラックス及びソルダペースト |
KR20200051830A (ko) | 2017-10-11 | 2020-05-13 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
US11292089B2 (en) | 2018-01-17 | 2022-04-05 | Senju Metal Industry Co., Ltd. | Resin composition for soldering, resin flux cored solder, flux coated solder, and liquid flux |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102005053553A1 (de) * | 2005-11-08 | 2007-05-16 | Heraeus Gmbh W C | Lotpasten mit harzfreien Flussmittel |
KR20100132480A (ko) | 2007-07-23 | 2010-12-17 | 헨켈 리미티드 | 땜납 플럭스 |
JP5019057B2 (ja) * | 2008-01-31 | 2012-09-05 | 荒川化学工業株式会社 | はんだフラックスおよびクリームはんだ |
JP5373464B2 (ja) * | 2008-04-23 | 2013-12-18 | パナソニック株式会社 | 導電性ペーストおよびこれを用いた実装構造体 |
KR101671525B1 (ko) * | 2010-07-21 | 2016-11-17 | 동우 화인켐 주식회사 | 땜납용 플럭스 조성물 |
CN111673315A (zh) * | 2020-06-01 | 2020-09-18 | 国家电投集团西安太阳能电力有限公司 | 一种多主栅太阳能电池焊接专用助焊剂 |
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JP2004042050A (ja) * | 2002-07-09 | 2004-02-12 | Harima Chem Inc | はんだ付け用フラックス及び電子回路 |
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EP0933010B1 (en) | 1996-08-16 | 2002-01-23 | Hugh P. Craig | Printable compositions, and their application to dielectric surfaces used in the manufacture of printed circuit boards |
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JP4721904B2 (ja) | 2004-02-05 | 2011-07-13 | Jx日鉱日石金属株式会社 | 金属の表面処理剤 |
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2005
- 2005-08-22 US US11/661,322 patent/US8404057B2/en active Active
- 2005-08-22 WO PCT/JP2005/015187 patent/WO2006025224A1/ja active Application Filing
- 2005-08-22 EP EP05772603.6A patent/EP1795296B1/en active Active
- 2005-08-22 JP JP2006531888A patent/JP4760710B2/ja active Active
- 2005-08-22 KR KR1020077004901A patent/KR100907204B1/ko active IP Right Grant
- 2005-08-22 CN CN200580028452XA patent/CN101005918B/zh active Active
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JPS6411094B2 (ja) | 1984-05-30 | 1989-02-23 | Sumitomo Spec Metals | |
JPS6411094A (en) | 1987-07-02 | 1989-01-13 | Asahi Chem Res Lab | Flux for soldering |
EP0670379A1 (en) | 1994-03-04 | 1995-09-06 | MEC CO., Ltd. | Composition for treating copper or copper alloy surfaces |
JPH08197282A (ja) * | 1995-01-30 | 1996-08-06 | Murata Mfg Co Ltd | フラックス組成物 |
EP1342726A1 (en) | 2002-02-28 | 2003-09-10 | Harima Chemicals, Inc. | Solder precipitating composition and solder precipitation method |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013189683A (ja) * | 2012-03-14 | 2013-09-26 | Shikoku Chem Corp | 銅または銅合金の表面処理剤およびその利用 |
KR20200051830A (ko) | 2017-10-11 | 2020-05-13 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
US10857630B2 (en) | 2017-10-11 | 2020-12-08 | Senju Metal Industry Co., Ltd. | Flux and solder paste |
WO2019132015A1 (ja) * | 2017-12-29 | 2019-07-04 | 千住金属工業株式会社 | 樹脂組成物及びはんだ付け用フラックス |
WO2019132003A1 (ja) * | 2017-12-29 | 2019-07-04 | 千住金属工業株式会社 | フラックス及びソルダペースト |
KR20200095581A (ko) * | 2017-12-29 | 2020-08-10 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
KR102167480B1 (ko) | 2017-12-29 | 2020-10-19 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
US11203087B2 (en) | 2017-12-29 | 2021-12-21 | Senju Metal Industry Co., Ltd. | Flux and solder paste |
US11772208B2 (en) | 2017-12-29 | 2023-10-03 | Senju Metal Industry Co., Ltd. | Resin composition and soldering flux |
US11292089B2 (en) | 2018-01-17 | 2022-04-05 | Senju Metal Industry Co., Ltd. | Resin composition for soldering, resin flux cored solder, flux coated solder, and liquid flux |
Also Published As
Publication number | Publication date |
---|---|
EP1795296B1 (en) | 2014-08-06 |
CN101005918A (zh) | 2007-07-25 |
KR100907204B1 (ko) | 2009-07-10 |
US20080135133A1 (en) | 2008-06-12 |
EP1795296A4 (en) | 2009-08-19 |
US8404057B2 (en) | 2013-03-26 |
KR20070043869A (ko) | 2007-04-25 |
CN101005918B (zh) | 2011-01-19 |
JPWO2006025224A1 (ja) | 2008-05-08 |
JP4760710B2 (ja) | 2011-08-31 |
EP1795296A1 (en) | 2007-06-13 |
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