JP2005220380A - 銀粉およびその製造方法 - Google Patents
銀粉およびその製造方法 Download PDFInfo
- Publication number
- JP2005220380A JP2005220380A JP2004027092A JP2004027092A JP2005220380A JP 2005220380 A JP2005220380 A JP 2005220380A JP 2004027092 A JP2004027092 A JP 2004027092A JP 2004027092 A JP2004027092 A JP 2004027092A JP 2005220380 A JP2005220380 A JP 2005220380A
- Authority
- JP
- Japan
- Prior art keywords
- silver
- silver powder
- paste
- particles
- particle size
- 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.)
- Granted
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 71
- 229910052709 silver Inorganic materials 0.000 claims abstract description 55
- 239000004332 silver Substances 0.000 claims abstract description 55
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001923 silver oxide Inorganic materials 0.000 claims abstract description 9
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical group C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000007561 laser diffraction method Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 9
- 239000002738 chelating agent Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 21
- 238000005191 phase separation Methods 0.000 abstract description 11
- 239000003513 alkali Substances 0.000 abstract description 7
- 239000008139 complexing agent Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- 239000002244 precipitate Substances 0.000 abstract description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 description 36
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- -1 fatty acid salts Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910001961 silver nitrate Inorganic materials 0.000 description 5
- KLSJWNVTNUYHDU-UHFFFAOYSA-N Amitrole Chemical group NC1=NC=NN1 KLSJWNVTNUYHDU-UHFFFAOYSA-N 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 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
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical compound C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 description 2
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Chemical compound C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 2
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-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
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-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
- 239000003990 capacitor Substances 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-N -2,3-Dihydroxypropanoic acid Natural products OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 description 1
- XLEDBLKSWOYHES-UHFFFAOYSA-N 1,2,3,5-thiatriazole Chemical compound C=1N=NSN=1 XLEDBLKSWOYHES-UHFFFAOYSA-N 0.000 description 1
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical compound C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 1
- BBVIDBNAYOIXOE-UHFFFAOYSA-N 1,2,4-oxadiazole Chemical compound C=1N=CON=1 BBVIDBNAYOIXOE-UHFFFAOYSA-N 0.000 description 1
- YGTAZGSLCXNBQL-UHFFFAOYSA-N 1,2,4-thiadiazole Chemical compound C=1N=CSN=1 YGTAZGSLCXNBQL-UHFFFAOYSA-N 0.000 description 1
- UDGKZGLPXCRRAM-UHFFFAOYSA-N 1,2,5-thiadiazole Chemical compound C=1C=NSN=1 UDGKZGLPXCRRAM-UHFFFAOYSA-N 0.000 description 1
- FKASFBLJDCHBNZ-UHFFFAOYSA-N 1,3,4-oxadiazole Chemical compound C1=NN=CO1 FKASFBLJDCHBNZ-UHFFFAOYSA-N 0.000 description 1
- MBIZXFATKUQOOA-UHFFFAOYSA-N 1,3,4-thiadiazole Chemical compound C1=NN=CS1 MBIZXFATKUQOOA-UHFFFAOYSA-N 0.000 description 1
- ODIRBFFBCSTPTO-UHFFFAOYSA-N 1,3-selenazole Chemical compound C1=C[se]C=N1 ODIRBFFBCSTPTO-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- BAXOFTOLAUCFNW-UHFFFAOYSA-N 1H-indazole Chemical compound C1=CC=C2C=NNC2=C1 BAXOFTOLAUCFNW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 1
- RBNPOMFGQQGHHO-UWTATZPHSA-N D-glyceric acid Chemical compound OC[C@@H](O)C(O)=O RBNPOMFGQQGHHO-UWTATZPHSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 235000021360 Myristic acid Nutrition 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- UVBMREIBJIIKHR-UHFFFAOYSA-N N1C=CC=C1.O1N=CC=N1 Chemical compound N1C=CC=C1.O1N=CC=N1 UVBMREIBJIIKHR-UHFFFAOYSA-N 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 229960004106 citric acid Drugs 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical compound C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229960002510 mandelic acid Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical compound C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- CQDAMYNQINDRQC-UHFFFAOYSA-N oxatriazole Chemical compound C1=NN=NO1 CQDAMYNQINDRQC-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- YGNGABUJMXJPIJ-UHFFFAOYSA-N thiatriazole Chemical compound C1=NN=NS1 YGNGABUJMXJPIJ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
- H01C17/281—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals by thick film techniques
- H01C17/283—Precursor compositions therefor, e.g. pastes, inks, glass frits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D5/00—Sheets united without binding to form pads or blocks
- B42D5/04—Calendar blocks
- B42D5/047—Calendar blocks in which the calendar sheet or sheets are combined with other articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F5/00—Sheets and objects temporarily attached together; Means therefor; Albums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42P—INDEXING SCHEME RELATING TO BOOKS, FILING APPLIANCES OR THE LIKE
- B42P2201/00—Books or filing appliances for special documents or for special purposes
- B42P2201/02—Books or filing appliances for special documents or for special purposes for photographic documents, e.g. prints, negatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42P—INDEXING SCHEME RELATING TO BOOKS, FILING APPLIANCES OR THE LIKE
- B42P2221/00—Books or filing appliances with additional arrangements
- B42P2221/10—Books or filing appliances with additional arrangements with tools for inserting sheets, e.g. labels into pockets
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
-
- 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
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed resistors
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive material
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19377—Slidable keys or clutches
- Y10T74/19414—Single clutch shaft
- Y10T74/19419—Progressive
- Y10T74/19442—Single key
- Y10T74/19451—Spur gears
- Y10T74/19456—Intermediate clutch
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
【解決手段】 銀塩含有水溶液にアルカリまたは錯化剤を加えて、酸化銀含有スラリーまたは銀錯塩含有水溶液を生成し、攪拌しながら還元剤を加えて銀粒子を還元析出させた後またはその前に、銀粉含有スラリー溶液に分散剤として、アゾール構造を有する化合物、ジカルボン酸、オキシカルボン酸およびこれらの塩から選ばれる少なくとも1種以上のキレート形成剤を添加する。
【選択図】 なし
Description
銀イオンとして12g/Lの硝酸銀水溶液3600mLに、25%アンモニア水180mLと、20g/Lの水酸化ナトリウム水溶液15mLを添加し、銀アンミン錯塩水溶液を得た。この水溶液の液温を40℃とし、37%ホルマリン水溶液192mLを加えて、銀粒子を析出させた。ホルマリン添加終了後30秒後に、銀の量に対して1%のベンゾトリアゾールをスラリー中に添加した。このようにして得られた銀含有スラリーを濾過、水洗、乾燥した後、解砕することによって、銀粉を得た。この銀粉のタップ密度は4.0g/cm3、レーザー回折法による平均粒径は2.8μm、比表面積は0.34m2/gであった。また、JISR9301−2−2に従って測定した銀粉の安息角は40°であった。
銀イオンとして12g/Lの硝酸銀水溶液3600mLに、25%アンモニア水180mLと、20g/Lの水酸化ナトリウム水溶液15mLを添加し、銀アンミン錯塩水溶液を得た。この水溶液の液温を40℃とし、40%ベンゾトリアゾールナトリウム水溶液0.4gを添加した後に37%ホルマリン水溶液192mLを加え、銀粒子を析出させた。このようにして得られた銀含有スラリーを濾過、水洗、乾燥した後、解砕することによって、銀粉を得た。この銀粉のタップ密度は4.1g/cm3、レーザー回折法による平均粒径は3.3μm、比表面積は0.31m2/gであった。また、JISR9301−2−2に従って測定した銀粉の安息角は45°であった。
銀イオンとして12g/Lの硝酸銀水溶液3600mLに、25%アンモニア水180mLと、20g/lの水酸化ナトリウム水溶液15mLを添加し、銀アンミン錯塩水溶液を得た。この水溶液の液温を40℃とし、37%ホルマリン水溶液192mLを加え、銀粒子を析出させた。ホルマリン添加終了後に、銀の量に対して0.1%のコハク酸をスラリー中に添加した。このようにして得られた銀含有スラリーを濾過、水洗乾燥した後、解砕することによって、銀粉を得た。この銀粉のタップ密度は2.6g/cm3、レーザー回折法による平均粒径は4.5μm、比表面積は0.36m2/gであった。また、JISR9301−2−2に従って測定した銀粉の安息角は40°であった。
銀イオンとして12g/Lの硝酸銀水溶液3600mLに、25%アンモニア水180mLと、75g/Lの水酸化ナトリウム水溶液16mLを添加し、銀アンミン錯塩水溶液を得た。この水溶液を液温40℃とし、37%ホルマリン水溶液192mLを加え、銀粒子を析出させた。ホルマリンの添加終了後に、銀の量に対して1%のベンゾトリアゾールをスラリー中に添加した。このようにして得られた銀含有スラリーを濾過、水洗、乾燥した後、粒子を機械的に流動化できる筒型高速攪拌機によって表面平滑化処理を行い、銀粉を得た。この銀粉のタップ密度は4.4g/cm3、レーザー回折法による平均粒径は2.4μm、比表面積は0.46m2/gであった。また、JISR9301−2−2に従って測定した銀粉の安息角は40°であった。
銀イオンとして12g/Lの硝酸銀水溶液3600mLに、25%アンモニア水180mLと、20g/Lの水酸化ナトリウム水溶液15mLを添加し、銀アンミン錯塩水溶液を得た。この水溶液の液温を40℃とし、37%ホルマリン水溶液192mLを加え、銀粒子を析出させた。ホルマリン添加終了後に、銀の量に対して0.1%のミリスチン酸(脂肪酸)をスラリー中に添加した。このようにして得られた銀含有スラリーを濾過、水洗、乾燥した後、解砕を行って、銀粉を得た。この銀粉のタップ密度は3.4g/cm3、レーザー回折法による平均粒径は3.0μm、比表面積は0.40m2/gであった。また、JISR9301−2−2に従って測定した銀粉の安息角は55°であり、実施例1〜4と比べてかなり大きかった。
Claims (9)
- 銀塩と酸化銀の少なくとも一方を含有する水性反応系に、還元剤を加えて銀粒子を析出させるとともに、分散剤としてキレート形成剤を添加することを特徴とする、銀粉の製造方法。
- 前記還元剤を加えて銀粒子を析出させた後に前記キレート形成剤を添加することを特徴とする、請求項1に記載の銀粉の製造方法。
- 前記還元剤を加えて銀粒子を析出させる前に前記キレート形成剤を添加することを特徴とする、請求項1に記載の銀粉の製造方法。
- 前記キレート形成剤が、アゾール構造を有する化合物、ジカルボン酸、オキシカルボン酸およびこれらの塩から選ばれる少なくとも1種であることを特徴とする、請求項1乃至3のいずれかに記載の銀粉の製造方法。
- タップ密度が2g/cm3以上、レーザー回折法平均粒径が0.1〜5μm、比表面積が5m2/g以下、安息角が50°以下であることを特徴とする、銀粉。
- 前記安息角が45°以下であることを特徴とする、請求項5に記載の銀粉。
- ペースト化して基板上に印刷した塗膜の表面粗さが3μm以下であり且つグラインドゲージにより測定したペースト中の粒子の最大粒径が30μm以下であることを特徴とする、銀粉。
- 前記グラインドゲージにより測定したペースト中の粒子の最大粒径が15μm以下であることを特徴とする、請求項7に記載の銀粉。
- 前記グラインドゲージにより測定したペースト中の粒子の最大粒径が7.5μm以下であることを特徴とする、請求項7に記載の銀粉。
Priority Applications (7)
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JP2004027092A JP4320447B2 (ja) | 2004-02-03 | 2004-02-03 | 銀粉およびその製造方法 |
US11/045,974 US7641817B2 (en) | 2004-02-03 | 2005-01-28 | Silver powder and method for producing same |
TW094102879A TWI342246B (en) | 2004-02-03 | 2005-01-31 | Silver powder and method for producing same |
CNB200510008037XA CN100444998C (zh) | 2004-02-03 | 2005-02-03 | 银粉及其制造方法 |
CN2008101490712A CN101386070B (zh) | 2004-02-03 | 2005-02-03 | 银粉 |
KR1020050009937A KR101122373B1 (ko) | 2004-02-03 | 2005-02-03 | 은 분말 및 그의 제조 방법 |
US11/736,036 US7462301B2 (en) | 2004-02-03 | 2007-04-17 | Silver powder |
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JP2004027092A JP4320447B2 (ja) | 2004-02-03 | 2004-02-03 | 銀粉およびその製造方法 |
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- 2005-02-03 KR KR1020050009937A patent/KR101122373B1/ko active IP Right Grant
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JP7416905B2 (ja) | 2021-09-17 | 2024-01-17 | Dowaエレクトロニクス株式会社 | 銀粉及び銀粉の製造方法 |
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TW200528217A (en) | 2005-09-01 |
CN100444998C (zh) | 2008-12-24 |
CN101386070B (zh) | 2010-09-01 |
US20070181858A1 (en) | 2007-08-09 |
US20050167640A1 (en) | 2005-08-04 |
KR101122373B1 (ko) | 2012-03-26 |
CN101386070A (zh) | 2009-03-18 |
US7641817B2 (en) | 2010-01-05 |
JP4320447B2 (ja) | 2009-08-26 |
US7462301B2 (en) | 2008-12-09 |
CN1651169A (zh) | 2005-08-10 |
TWI342246B (en) | 2011-05-21 |
KR20060041638A (ko) | 2006-05-12 |
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