JP5230122B2 - 表面実装用電子部品 - Google Patents
表面実装用電子部品 Download PDFInfo
- Publication number
- JP5230122B2 JP5230122B2 JP2007128030A JP2007128030A JP5230122B2 JP 5230122 B2 JP5230122 B2 JP 5230122B2 JP 2007128030 A JP2007128030 A JP 2007128030A JP 2007128030 A JP2007128030 A JP 2007128030A JP 5230122 B2 JP5230122 B2 JP 5230122B2
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- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal polymer
- acid
- surface mounting
- number average
- 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.)
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- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 91
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 89
- 239000000835 fiber Substances 0.000 claims description 46
- 229910000679 solder Inorganic materials 0.000 claims description 43
- 230000004907 flux Effects 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 34
- 230000008018 melting Effects 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 239000003365 glass fiber Substances 0.000 claims description 29
- 239000013078 crystal Substances 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 239000006071 cream Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 38
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 36
- 239000000047 product Substances 0.000 description 28
- 238000006116 polymerization reaction Methods 0.000 description 25
- 229920001577 copolymer Polymers 0.000 description 21
- 239000000178 monomer Substances 0.000 description 20
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 description 19
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 16
- -1 ethylenedioxy units Chemical group 0.000 description 16
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 12
- KAUQJMHLAFIZDU-UHFFFAOYSA-N 6-Hydroxy-2-naphthoic acid Chemical compound C1=C(O)C=CC2=CC(C(=O)O)=CC=C21 KAUQJMHLAFIZDU-UHFFFAOYSA-N 0.000 description 11
- 239000000945 filler Substances 0.000 description 10
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 9
- 239000000194 fatty acid Substances 0.000 description 9
- 229930195729 fatty acid Natural products 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000000975 dye Substances 0.000 description 7
- 150000004665 fatty acids Chemical class 0.000 description 7
- 239000012765 fibrous filler Substances 0.000 description 7
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 125000003545 alkoxy group Chemical group 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 150000004820 halides Chemical class 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- 239000012778 molding material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 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 4
- 229910017944 Ag—Cu Inorganic materials 0.000 description 4
- 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 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 150000002367 halogens Chemical group 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 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 4
- 241000790917 Dioxys <bee> Species 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 239000004974 Thermotropic liquid crystal Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 235000013877 carbamide Nutrition 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 150000002896 organic halogen compounds Chemical class 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000013008 thixotropic agent Substances 0.000 description 3
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- CWLKGDAVCFYWJK-UHFFFAOYSA-N 3-aminophenol Chemical compound NC1=CC=CC(O)=C1 CWLKGDAVCFYWJK-UHFFFAOYSA-N 0.000 description 2
- IJFXRHURBJZNAO-UHFFFAOYSA-N 3-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=CC(O)=C1 IJFXRHURBJZNAO-UHFFFAOYSA-N 0.000 description 2
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- BCEQKAQCUWUNML-UHFFFAOYSA-N 4-hydroxybenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=C(O)C(C(O)=O)=C1 BCEQKAQCUWUNML-UHFFFAOYSA-N 0.000 description 2
- QNVNLUSHGRBCLO-UHFFFAOYSA-N 5-hydroxybenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC(O)=CC(C(O)=O)=C1 QNVNLUSHGRBCLO-UHFFFAOYSA-N 0.000 description 2
- 208000010444 Acidosis Diseases 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 229910020816 Sn Pb Inorganic materials 0.000 description 2
- 229910020836 Sn-Ag Inorganic materials 0.000 description 2
- 229910020888 Sn-Cu Inorganic materials 0.000 description 2
- 229910020922 Sn-Pb Inorganic materials 0.000 description 2
- 229910020988 Sn—Ag Inorganic materials 0.000 description 2
- 229910019204 Sn—Cu Inorganic materials 0.000 description 2
- 229910008783 Sn—Pb Inorganic materials 0.000 description 2
- 230000007950 acidosis Effects 0.000 description 2
- 208000026545 acidosis disease Diseases 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- XSIFPSYPOVKYCO-UHFFFAOYSA-N butyl benzoate Chemical compound CCCCOC(=O)C1=CC=CC=C1 XSIFPSYPOVKYCO-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
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- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
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- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
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- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
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- 239000001993 wax Substances 0.000 description 2
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- YUAPUIKGYCAHGM-UHFFFAOYSA-N 1,2-dibromo-3-(2,3-dibromopropoxy)propane Chemical compound BrCC(Br)COCC(Br)CBr YUAPUIKGYCAHGM-UHFFFAOYSA-N 0.000 description 1
- NZUPFZNVGSWLQC-UHFFFAOYSA-N 1,3,5-tris(2,3-dibromopropyl)-1,3,5-triazinane-2,4,6-trione Chemical compound BrCC(Br)CN1C(=O)N(CC(Br)CBr)C(=O)N(CC(Br)CBr)C1=O NZUPFZNVGSWLQC-UHFFFAOYSA-N 0.000 description 1
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- XULHFMYCBKQGEE-UHFFFAOYSA-N 2-hexyl-1-Decanol Chemical compound CCCCCCCCC(CO)CCCCCC XULHFMYCBKQGEE-UHFFFAOYSA-N 0.000 description 1
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- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- NAYYNDKKHOIIOD-UHFFFAOYSA-N phthalamide Chemical compound NC(=O)C1=CC=CC=C1C(N)=O NAYYNDKKHOIIOD-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003900 succinic acid esters Chemical class 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 229940095068 tetradecene Drugs 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- RKBCYCFRFCNLTO-UHFFFAOYSA-N triisopropylamine Chemical compound CC(C)N(C(C)C)C(C)C RKBCYCFRFCNLTO-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2219/00—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used
- C09K2219/01—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used in the form of fibres, e.g. fibres after polymerisation of LC precursor
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Details Of Resistors (AREA)
- Die Bonding (AREA)
Description
〈結晶融解温度測定方法〉
示差走査熱量計としてセイコーインスツルメンツ株式会社製Exstar6000を用いる。
試料を、室温から20℃/分の昇温条件で測定した際に観測される吸熱ピーク温度(Tm1)の測定後、Tm1より20〜50℃高い温度で10分間保持する。次いで、20℃/分の降温条件で室温まで試料を冷却し、さらに、再度20℃/分の昇温条件で測定した際の吸熱ピークを観測し、そのピークトップを示す温度を結晶融解温度(Tm)とする。
4−オキシベンゾイル繰り返し単位および6−オキシ−2−ナフトイル繰り返し単位の合計量が、液晶ポリマーの全繰り返し単位に対する比率が50〜80モル%であるものを用いるのが好ましい。
1)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸共重合体
2)4−ヒドロキシ安息香酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
3)4−ヒドロキシ安息香酸/テレフタル酸/イソフタル酸/4,4’−ジヒドロキシビフェニル共重合体
4)4−ヒドロキシ安息香酸/テレフタル酸/イソフタル酸/4,4’−ジヒドロキシビフェニル/ハイドロキノン共重合体
5)4−ヒドロキシ安息香酸/テレフタル酸/ハイドロキノン共重合体
6)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/ハイドロキノン共重合体
7)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
8)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4,4’−ジヒドロキシビフェニル共重合体
9)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/ハイドロキノン共重合体
10)4−ヒドロキシ安息香酸/2,6−ナフタレンジカルボン酸/4,4’−ジヒドロキシビフェニル共重合体
11)4−ヒドロキシ安息香酸/テレフタル酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
12)4−ヒドロキシ安息香酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
13)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体
14)4−ヒドロキシ安息香酸/テレフタル酸/2,6−ナフタレンジカルボン酸/ハイドロキノン/4,4’−ジヒドロキシビフェニル共重合体
15)4−ヒドロキシ安息香酸/テレフタル酸/4−アミノフェノール共重合体
16)6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4−アミノフェノール共重合体
17)4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/テレフタル酸/4−アミノフェノール共重合体
18)4−ヒドロキシ安息香酸/テレフタル酸/4,4’−ジヒドロキシビフェニル /4−アミノフェノール共重合体
13)の4−ヒドロキシ安息香酸/6−ヒドロキシ−2−ナフトエ酸/2,6−ナフタレンジカルボン酸/ハイドロキノン共重合体については、耐熱性が特に優れることから、以下に示す式[1]〜式[4]で表される繰り返し単位により構成されるものが特に好ましい。
60≦p+q≦78
0.05≦q≦3
11≦r≦20
11≦s≦20]。
〈荷重撓み温度〉
射出成形機(日精樹脂工業(株)製UH1000−110)を用いて長さ127mm、幅3.2mm、厚さ12.7mmの短冊状試験片を成形し、これを用いてASTM D648に準拠し、荷重1.82MPa、昇温速度2℃/分で測定する。
本発明において用いる液晶ポリマーの製造方法に特に制限はなく、前記の単量体の組み合わせからなるエステル結合またはアミド結合を形成させる公知の重縮合方法、例えば溶融アシドリシス法、スラリー重合法などを用いることができる。
触媒の使用割合は、通常モノマー重量に対して10〜1000ppm、好ましくは20〜200ppmである。
〈ガラス繊維長測定方法〉
ガラス繊維を含有する液晶ポリマー組成物を完全に灰化して、残ったガラス繊維を純水と界面活性剤の混合液中にて十分に攪拌、分散させる。その混合液1mlをガラスプレートに取り出し、顕微鏡にてガラス繊維を観察し、ガラス繊維長を測定する。本願実施例においては顕微鏡としてオリンパス株式会社製、BX60を用い、得られる画像を画像解析ソフト(MITANI Corporation製、Win Roof)に取り込みガラス繊維長を測定した。
ここで、高級脂肪酸とは炭素原子数10〜25のものをいう。
本発明において使用するクリームはんだに用いるはんだ成分は、従来、表面実装において用いられる物であれば特に制限されないない。
本発明において使用されるはんだの具体例としては、Sn−Ag−Cu系はんだ、Sn−Ag系はんだ、Sn−Cu系はんだ、Sn−Ag−Cu−Bi系はんだ、Sn−Ag−Bi−In系はんだ、Sn−Cu−Ni系はんだ、Sn−Bi系はんだ、またはSn−Zn系はんだなどの鉛フリーはんだや、Sn−Pb共晶はんだなどの鉛含有はんだが挙げられる。これらのはんだは、複数のものをクリームはんだ中に配合して用いてもよい。
〈液晶ポリマー単量体〉
POB:4−ヒドロキシ安息香酸
BON6:6−ヒドロキシ−2−ナフトエ酸
NDA:2,6−ナフタレンジカルボン酸
HQ:ハイドロキノン
TPA:テレフタル酸
GF1:T−790(ガラス繊維、日本電気硝子株式会社製、数平均繊維径6μm、カット繊維長3mm)
GF2:PX−1(ガラス繊維、旭ファイバーグラス株式会社製、数平均繊維径10μm、数平均繊維長20μmまたは70μm)
GF3:FT591(ガラス繊維、旭ファイバーグラス株式会社製、数平均繊維径13μm、カット繊維長3mm)
AB:YS3A(ホウ酸アルミニウム繊維、四国化成工業株式会社製、繊維径0.5〜1.0μm、平均繊維長10〜30μm)
POB:234.8Kg(1699モル)、BON6:0.9Kg(5モル)、HQ:38.3Kg(348モル)、NDA:75.2kg(348モル)および無水酢酸:254.3Kg(2491モル)を、攪拌翼、熱交換器を有する容量0.5m3のSUS製の重合槽に仕込み、窒素ガス雰囲気下に室温から145℃まで1時間かけて昇温し、同温度で0.5時間保持した。その後副生する酢酸を留去しながらさらに8時間かけて348℃まで昇温した。同温度で30分重合反応を行った後、同温度で常圧から70分かけて20torrまで減圧を行なった。20torr下で30分さらに重合を続けた結果、所定のトルクに達したので重合槽を密閉し、窒素ガスにより重合槽内を0.1MPaに加圧し反応を終了した。次いで重合槽底部のバルブを開け、ダイスを通しストランド状に抜き出しペレット状のプレポリマー(低重合度の液晶ポリマー)を得た。
POB:195.9Kg(1416.8モル)、BON6:7.6Kg(40.5モル)、HQ:31.2Kg(283.4モル)、NDA:61.3kg(283.4モル)および無水酢酸:212.8Kg(2084.8モル)を、攪拌翼、熱交換器を有する容量0.5m3のSUS製の重合槽に仕込み、窒素ガス雰囲気下に室温から145℃まで1時間かけて昇温し、同温度で0.5時間保持した。その後副生する酢酸を留去しながらさらに8時間かけて348℃まで昇温した。同温度で30分重合反応を行った後、同温度で常圧から70分かけて20torrまで減圧を行なった。20torr下で60分さらに重合を続けた結果、所定のトルクに達したので重合槽を密閉し、窒素ガスにより重合槽内を0.1MPaに加圧し反応を終了した。次いで重合槽底部のバルブを開け、ダイスを通しストランド状に抜き出しペレット状の樹脂を得た。
得られた樹脂の示差走査熱量計により測定される結晶融解温度は323℃であった。
POB:149.8Kg(1084.9モル)、BON6:74.9Kg(398.2モル)、HQ:57.6Kg(523.5モル)、TPA:87.0kg(523.5モル)および無水酢酸:266.0Kg(2606.0モル)を、攪拌翼、熱交換器を有する容量0.5m3のSUS製の重合槽に仕込み、窒素ガス雰囲気下に室温から145℃まで1時間かけて昇温し、同温度で0.5時間保持した。その後副生する酢酸を留去しながらさらに8時間かけて348℃まで昇温した。続いて同温度で常圧から120分かけて10torrまで減圧を行なった。10torr下で90分さらに重合を続けた結果、所定のトルクに達したので重合槽を密閉し、窒素ガスにより重合槽内を0.1MPaに加圧し反応を終了した。次いで重合槽底部のバルブを開け、ダイスを通しストランド状に抜き出しペレット状の樹脂を得た。
得られた樹脂の示差走査熱量計により測定される結晶融解温度は330℃であった。
液晶ポリマー組成物調製
表1に記載の種類および量の、液晶ポリマーと充填材を、ヘンシェルミキサーで混合し、次いで二軸押出機(株式会社日本製鋼所製、TEX−30α)にて溶融混練したものをペレット化し、液晶ポリマー組成物を調製した。
液晶ポリマー組成物中のガラス繊維の数平均繊維長、および得られた液晶ポリマー組成物のASTM D648に従い測定した荷重撓み温度(DTUL)の値を表2に記す。
得られた液晶ポリマー組成物を、150℃で4時間乾燥した後、射出成形機(ファナック株式会社製、α−100iA)を用いて、シリンダー温度360℃、金型温度90℃で、金属端子をインサート成形した、図1に示す15mm×15mm×1mmの金属端子付成形品を得た。なお、図1に記載の数値は寸法を示す(mm)。
フラックス上がりによる不良の発生率を表2に記す。
フラックス上がり発生の確認試験に用いた金属端子付成形品と同様の条件のインサート成形により、図2に示す形状の0.35mmピッチ×80芯×厚さ1mmのコネクタ成形品を調製した。図2中の数値は寸法を示す(mm)。
得られたコネクタ成形品を、フラックス上がり発生の確認試験と同様の条件にてリフロー処理を2回行った。
リフロー処理を行った後に座標測定装置(株式会社ミツトヨ製、QVH250pro)により、リフロー処理後のコネクタ成形品の四辺の高さ方向の計測を行い、平面度の測定を行った。結果を表2に記す。
Claims (6)
- 表面実装用電子部品が、融点が200〜250℃の鉛フリーはんだにて実装されるためのものである、請求項1に記載の表面実装用電子部品。
- 表面実装用電子部品が、コネクタ、スイッチ、リレー、コンデンサ、コイル、トランス、カメラモジュール、アンテナ、およびチップアンテナからなる群より選択されるものである、請求項1または2に記載の表面実装用電子部品。
- フラックス含有クリームはんだを用いて請求項1〜3の何れかに記載の表面実装用電子部品を回路基板へ実装する、回路基板の表面実装方法。
- はんだが融点200℃〜250℃の鉛フリーはんだである、請求項5に記載の表面実装方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2007128030A JP5230122B2 (ja) | 2007-05-14 | 2007-05-14 | 表面実装用電子部品 |
CN200810128708XA CN101307174B (zh) | 2007-05-14 | 2008-05-14 | 表面安装型电子元件 |
KR20080044555A KR101484311B1 (ko) | 2007-05-14 | 2008-05-14 | 표면실장형 전자 부품 |
SG200803812-7A SG148123A1 (en) | 2007-05-14 | 2008-05-14 | Surface mount type electronic components |
TW097117645A TWI456710B (zh) | 2007-05-14 | 2008-05-14 | 面安裝型電子組件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007128030A JP5230122B2 (ja) | 2007-05-14 | 2007-05-14 | 表面実装用電子部品 |
Publications (2)
Publication Number | Publication Date |
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JP2008280478A JP2008280478A (ja) | 2008-11-20 |
JP5230122B2 true JP5230122B2 (ja) | 2013-07-10 |
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JP (1) | JP5230122B2 (ja) |
KR (1) | KR101484311B1 (ja) |
CN (1) | CN101307174B (ja) |
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JP6177191B2 (ja) * | 2014-05-30 | 2017-08-09 | 上野製薬株式会社 | 液晶ポリエステルブレンド |
CN109719422B (zh) * | 2017-10-27 | 2022-03-29 | 株式会社田村制作所 | 焊料组合物及电子基板 |
US11917753B2 (en) * | 2019-09-23 | 2024-02-27 | Ticona Llc | Circuit board for use at 5G frequencies |
EP3834980B1 (de) * | 2019-12-10 | 2023-02-22 | Heraeus Deutschland GmbH & Co. KG | Lotpaste |
CN113201229A (zh) * | 2021-05-14 | 2021-08-03 | 金发科技股份有限公司 | 一种液晶聚合物复合材料及其应用 |
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US5227456A (en) * | 1992-03-20 | 1993-07-13 | Hoechst Celanese Corp. | Wholly aromatic liquid crystalline polymers containing sulfonated ionic monomer units and laminates thereof |
JP3487656B2 (ja) * | 1994-11-21 | 2004-01-19 | ポリプラスチックス株式会社 | 表面実装用電子部品 |
JP4118425B2 (ja) * | 1998-12-18 | 2008-07-16 | ポリプラスチックス株式会社 | コネクター用液晶性ポリマー組成物およびコネクター |
JP4339966B2 (ja) | 1999-07-23 | 2009-10-07 | 新日本石油株式会社 | サーモトロピック液晶樹脂組成物、それを成形してなる加熱機器支持体および耐熱性断熱材。 |
JP2001279066A (ja) * | 2000-03-31 | 2001-10-10 | Sumitomo Chem Co Ltd | 液晶ポリエステル樹脂組成物 |
JP2001288342A (ja) * | 2000-04-04 | 2001-10-16 | Sumitomo Chem Co Ltd | 液晶ポリエステル樹脂組成物、その製造方法およびその成形体 |
TW538094B (en) * | 2000-04-20 | 2003-06-21 | Ueno Seiyaku Oyo Kenkyujo Kk | Liquid crystal polyester resin composition |
JP4644933B2 (ja) * | 2000-12-14 | 2011-03-09 | 住友化学株式会社 | 溶融液晶性樹脂の製造方法 |
JP4368079B2 (ja) * | 2001-10-30 | 2009-11-18 | Dic株式会社 | 液晶ポリエステル樹脂組成物 |
JP2003173848A (ja) * | 2001-12-05 | 2003-06-20 | Idemitsu Petrochem Co Ltd | コネクター |
JP2003268252A (ja) * | 2002-03-19 | 2003-09-25 | Polyplastics Co | 液晶性ポリマー組成物 |
US7164197B2 (en) * | 2003-06-19 | 2007-01-16 | 3M Innovative Properties Company | Dielectric composite material |
JP4625340B2 (ja) * | 2005-01-31 | 2011-02-02 | 上野製薬株式会社 | 液晶ポリエステル樹脂およびその製造方法 |
JP5085863B2 (ja) * | 2005-12-14 | 2012-11-28 | 上野製薬株式会社 | 液晶ポリマー組成物 |
JP2007254716A (ja) * | 2006-02-27 | 2007-10-04 | Toray Ind Inc | 液晶性樹脂組成物およびそれからなる成形品 |
JP2008133416A (ja) * | 2006-10-26 | 2008-06-12 | Matsushita Electric Works Ltd | 液晶ポリエステル樹脂組成物およびコネクター |
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- 2008-05-14 CN CN200810128708XA patent/CN101307174B/zh not_active Expired - Fee Related
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KR101484311B1 (ko) | 2015-01-19 |
KR20080100790A (ko) | 2008-11-19 |
CN101307174A (zh) | 2008-11-19 |
SG148123A1 (en) | 2008-12-31 |
CN101307174B (zh) | 2013-05-29 |
JP2008280478A (ja) | 2008-11-20 |
TWI456710B (zh) | 2014-10-11 |
TW200905818A (en) | 2009-02-01 |
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