JPH0519807B2 - - Google Patents
Info
- Publication number
- JPH0519807B2 JPH0519807B2 JP59093122A JP9312284A JPH0519807B2 JP H0519807 B2 JPH0519807 B2 JP H0519807B2 JP 59093122 A JP59093122 A JP 59093122A JP 9312284 A JP9312284 A JP 9312284A JP H0519807 B2 JPH0519807 B2 JP H0519807B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- palladium
- silver
- alloy
- alloy powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 92
- 239000000843 powder Substances 0.000 claims description 70
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 42
- 229910045601 alloy Inorganic materials 0.000 claims description 41
- 239000000956 alloy Substances 0.000 claims description 41
- 229910052763 palladium Inorganic materials 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 37
- 229910003445 palladium oxide Inorganic materials 0.000 claims description 30
- 239000000919 ceramic Substances 0.000 claims description 29
- 229910052709 silver Inorganic materials 0.000 claims description 29
- 239000004332 silver Substances 0.000 claims description 29
- 229910001252 Pd alloy Inorganic materials 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000003985 ceramic capacitor Substances 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000002003 electrode paste Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 3
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical compound [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 2
- 125000002091 cationic group Chemical group 0.000 claims 1
- HBEQXAKJSGXAIQ-UHFFFAOYSA-N oxopalladium Chemical compound [Pd]=O HBEQXAKJSGXAIQ-UHFFFAOYSA-N 0.000 description 28
- 238000002441 X-ray diffraction Methods 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 14
- 239000010944 silver (metal) Substances 0.000 description 14
- 229910001316 Ag alloy Inorganic materials 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 239000008188 pellet Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000006104 solid solution Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229940116411 terpineol Drugs 0.000 description 2
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010344 co-firing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010946 fine silver Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- YWXYYJSYQOXTPL-SLPGGIOYSA-N isosorbide mononitrate Chemical compound [O-][N+](=O)O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 YWXYYJSYQOXTPL-SLPGGIOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
- H01G4/0085—Fried electrodes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1078—Alloys containing non-metals by internal oxidation of material in solid state
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought
- Y10S75/951—Oxide containing, e.g. dispersion strengthened
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Capacitors (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Conductive Materials (AREA)
Description
ç£æ¥äžã®å©çšåéïŒ
æ¬çºæã¯ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã«
åèµããé»æ¥µã®ããã®éããã³ãã©ãžãŠã ç²æ«ãª
ãã³ã«ãã®ãããªç²æ«ããã³ã³ã³ãã³ãµã®è£œæ³ã«
é¢ããã åŸæ¥ã®æè¡ïŒ 以åã®ã¢ããªã·ãã¯ã³ãã³ãµããã³æè¿ã®ã³ã³
ãã³ãµã«ã䜿çšãããã»ã©ããã¯åŠæ¹ã¯å®å šãªçŒ
çµããã³ã¡å¯åãéæããããã®é«æž©ã代衚çã«
ã¯1400âã§çŒæããªããã°ãªããªãããã®ãããª
ã³ã³ãã³ãµã¯çŽãã©ãžãŠã ã®ãããªãããã貎é
å±åèµé»æ¥µãå«ã¿ããã®é»æ¥µã¯é žåã«ãã€ãŠå°é»
æ§ã倱ãããšãªãããã€ã»ã©ããã¯ãçæã®ãã
çŒçµããåèšé«æž©ããé«ãèç¹ïŒ1550âïŒãæã
ããäœèç¹éå±ã¯é«æž©çŒçµã®éã«ã»ã©ããã¯ãã
ç°¡åã«æµåºãããéã®ãããªé«èç¹åéå±ã¯ã»ã©
ããã¯ã®éå ãé¿ããããéåžžå¿ èŠãªé žåçŒæé°
å²æ°äžã§é žåããéé»å°æ§ã«ãªãã®ã§äœ¿çšãããª
ããããã«ãã®ãããªéå±é žåç©ã¯é£æ¥ã»ã©ãã
ã¯ãžæ¡æ£ããåŸåããããããã«ãã€ãŠãã®èªé»
äœã®é»æ°çæ§è³ªãå£åããã ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµå·¥æ¥ã«ã¯çŸ
åšçŒçµå©å€ãŸãã¯ãã©ãã¯ã¹ãéåžžã¬ã©ã¹ãå«ã
äœæž©çŒæã»ã©ããã¯çµæã䜿çšããæ¹åãžã®æã
ããªåãããããã¬ã©ã¹ããŸãè解ããã»ã©ãã
ã¯ã®çŒçµã¯è解ããã³åçµæ¶ã®åæçéçšã«ãã€
ãŠè¡ããããããã¯ç±³åœç¹èš±ç¬¬4266265å·æ现æž
ã«èšèŒã®ããã«æ¶²çžçŒçµãšããŠå ¬ç¥ã§ãããå€ã
ã®ãã®ãããªãã©ãã¯ã¹å«æåžè²©ã³ã³ãã³ãµã¯
1200â以äžã§çŒçµããã70AgïŒ30pdã®ä»£è¡šçé
éçµæããã³1160âã®åºçžç·æž©åºŠãæããéâã
ã©ãžãŠã é»æ¥µãå«ãããã©ãã¯ã¹ãå«ãŸãªãä»ã®
ã»ã©ããã¯çµæã¯ããšãã°ç±³åœç¹èš±ç¬¬4324750å·
æ现æžã«èšèŒã®ããã«ãã®ãããªäœæž©ã§çŒçµãã
ãããããã®ã»ã©ããã¯ã¯AgïŒPdåéé»æ¥µã䜿
çšããããšãã§ãããããã«ãã€ãŠäœããšãã«ã®
ãŒè²»çšããã³äœãéå±äŸ¡æ Œãã倧ããç¯çŽãéæ
ããããçš®ã ã®éâãã©ãžãŠã åéãã€ãã«åºäœ
ã§ãã枩床ã¯ç¬¬ïŒå³ã®åºçžç·ïŒïŒããäžã«ããã çºæã解決ããããšããåé¡ç¹ïŒ å ¬ç¥ã»ã©ããã¯ã³ã³ãã³ãµãçŒæããéãã°ã
ã°ã³ã³ãã³ãµçç£ãããã®ããªãã®éšåã«è£ãã
çºçããããã¯éåžžé»æ¥µãšã»ã©ããã¯ã®éã®çé¢
ã®å±€å²ãã§ãããããã«ãã€ãŠå®¹éã®æ倱ããã³
寿åœã®ççž®ã®ãããªã³ã³ãã³ãµã®é»æ°çç¹æ§ãå£
åããããã®ãããªè£ãããã³å£åã¯æå¹èªé»å±€
ã®åããå°ãããªããšãšãã«ãŸããŸãæ¿ãããª
ãã ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®å±€å²ãã¯
å€ãã¯ã»ã©ããã¯çŒæå·¥çšã®åæã®äœæž©æã®éã«
åèµé»æ¥µã®å¯žæ³ãå€åããããšã«èµ·å ãããã®é
çšã¯ã»ã©ããã¯äžã®ææ©çµåå€ãççŒããåŸãã
ã€ã»ã©ããã¯èªäœãçŒçµã«ãã€ãŠåŒ·åºŠãåŸãåã§
ããã æ¬çºæã®ç®çã¯ãããªãå Žåã«ãå±€å²ãããªã
匷åºãªã³ã³ãã³ãµãããŒãåŸãããã«ãäžé枩床
çŒæã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµãããŒã®
ããã®é»æ¥µã€ã³ãã«äœ¿çšãããéããã³ãã©ãžãŠ
ã å«æç²æ«ãåŸãããšã§ãããããïŒã€ã®ç®çã¯
èãèªé»å±€ããã³åäžã«å¹³æ»ãªåèµé»æ¥µãæãã
ããšã®ãããªã»ã©ããã¯ã³ã³ãã³ãµã®è£œæ³ãåŸã
ããšã§ããã åé¡ç¹ã解決ããããã®ææ®µïŒ äžè¬ã«æ¬çºæã®éå±é»æ¥µç²æ«ã¯90AgïŒ10Pdã®
ééçµæããã³åéç²åã®è¡šé¢ã«åœ¢æããåŸ®çŽ°é ž
åãã©ãžãŠã ãæããéâãã©ãžãŠã åéç²åã
å«ããé žåãã©ãžãŠã ã¯ãã¹ãŠã®é£æ¥åéç²åã®
çé¢ã«ãããåéãçŒçµããã³åçž®ãã枩床ãäž
æããå¹æãæããã ãã®ãããªé»æ¥µç²æ«ã補é ããæ¬çºæã®æ¹æ³ã«
ããã°é90ééïŒ æªæºã®AgïŒPdåéç²æ«ãçŽ
500âã«å ç±ããŠåéãããã©ãžãŠã ã®äžéšãé ž
åããåéç²åã®è¡šé¢ã«åŸ®çŽ°ãªé žåãã©ãžãŠã ã
圢æããïŒããã«äœ¿çšããâåéâã®èªã¯åºæº¶äœ
ãè¡šãããïŒããã®500âå ç±å·¥çšã«ãã€ãŠåéã
ããã©ãžãŠã ããããã«éã«å¯ãçµæ90AgïŒ
10Pdãæ®ãããã«ååãªãã©ãžãŠã ãé€ããŠã
ãã¹ãŠé žåãããããšãæããã«ãªã€ãããã®
90AgïŒ10Pdåéã¯ãã以äžã®é žåã«èããéåžž
ã«å®å®ãªåºæº¶äœã§ããããšãå®èšŒãããã æ¬çºæã®é»æ¥µç²æ«ãã¢ããªã·ãã¯ã»ã©ããã¯ã³
ã³ãã³ãµè£œé ã®åžžçšæ³ã«åžžçšã®AgïŒPdç²æ«æ··å
ç©ã®ä»£ãã«äœ¿çšããå ŽåãçŒçµã®éçŽ500âãŸã§
ã®åèµé»æ¥µã®å¯žæ³å€åã¯ç¡èŠå¯èœã§ããã500â
ãè¶ ãããšã»ã©ããã¯ãããŒèªäœãçŒçµãå§ãã
匷床ãåŸãããã®çµæè£ãããã³å±€å²ãã®çºçã¯
ã»ãŒãŒãã§ããã æ¬çºæã®ïŒçžç²æ«ã¯åéç²æ«ãšé žåãã©ãžãŠã
ç²æ«ã®ç°¡åãªçµåãã«é¢ããçš®ã ã®é¡èãªå©ç¹ã
æãããæ¬çºæã®ç²æ«ã®å Žåãååéç²åã¯ãã®
è¡šé¢ã«å¯æ¥ã«çµåããé žåãã©ãžãŠã ãæããã®
ã§ãå®å šã«åæ£ããïŒçžç³»ã¯èããããªãããã
ã«ãã€ãŠã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®é»
極ããã³ã»ã©ããã¯ã®åæçŒæã®éãçã»ã©ãã
ã¯ã±ãŒããããããŠåŒ±ããããªãã¡500âããäœ
ãåæã®äœæž©ã§çŒçµããã³åçž®ããåã ã®åéç²
åããªãããšãä¿èšŒãããã æ¬çºæã®æå©ãªã³ã³ãã³ãµè£œæ³ã«ããéå±ç²æ«
äºç±å·¥çšã®éãéç²åã¯é£æ¥ãããã©ãžãŠã ç²å
ãžæ¡æ£ããŠåéããããšããã®ã¯éã®ãã©ãžãŠã
ã«å¯Ÿããæ¡æ£é床ã¯ãã©ãžãŠã ã®éã«å¯Ÿããæ¡æ£
é床ãã倧ããããã§ãããããã§åºçºææãšã
ãŠå®¹æã«åŸããããµããã¯ãç²åãµã€ãºã®ãã©ãž
ãŠã ç²æ«ïŒããšãã°ïŒã12m2ïŒïœïŒãåæ§å®¹æã«
åŸããã倧ç²åéç²æ«ïŒããšãã°ïŒm2ïŒïœããå°
ããè¡šé¢ç©ãæããéç²æ«ïŒãšãšãã«äœ¿çšããã
ãšãå¯èœã§ããã埮现ãªéç²æ«ã¯è£œé ãå°é£ã§ã
ããé«äŸ¡ã§ããããã®ããã«æ¬æ³ã¯åºçºéç²æ«ç²
åã®èš±å®¹åºŠãåºãå©ç¹ãæããã ããã«èµ°æ»é»åé¡åŸ®é¡ã§æ®åœ±ããé¡åŸ®é¡åçã«
ããã°ïŒãã¯ãã³ãã倧ããåéç²åã¯åéåºæ
é¢ããã³ç²çã«æ²¿ã€ãŠPdOãæåºããããããã³
PdOãšAgïŒPdåéã®åäœæ Œåãµã€ãºãé©åããª
ãããã埮现ãªç²åã«åè£ããããšã瀺ãããã
æ©æ§ã¯ãšãããäºç±ããç²æ«ãæ©æ¢°çã«åéãå
é¢ããåŸãç²åãµã€ãºã¯çŽïŒãã¯ãã³ã®éåžžã«ç
ãååžãæããããšãæããã«ãªã€ãããã®ç¹åŸŽ
ã«ãã€ãŠé«ãã³ã³ãã³ãµç Žå£é»å§ãçããããã
ãŠå¹³æ»ãªã³ã³ãã³ãµé»æ¥µã圢æãããã å®æœäŸïŒ å®éšïŒïŒ ç¹æ§ã瀺ã3.4m2ïŒïœã®è¡šé¢ç©ãæããéç²æ«
ããã³ç¹æ§ãè¡šãã11.15m2ïŒïœã®è¡šé¢ç©ãæã
ããã©ãžãŠã ç²æ«ãããªãïŒã€ã®æ··åç©ããšãã«
泚æã®ãªãéããããã次ã®æ¹æ³ã«ãã€ãŠè£œé ã
ãã ã¹ã©ãªãŒã¯éå±ç²æ«30ïœããã«ãããªãŒã«13
ïœãã¬ã»ãã³ïŒlecethinïŒ3.75ïœããã³Geigy
Industrial ChemicalsãArdsleyãNYã®
QuaternaryâïŒåæšïŒ3.75ïœãããªã溶液ãžæ·»
å ããŠèª¿è£œãããã¬ã»ãã³ããã³Quaternaryâ
ã¯æå©ã«350â以äžã§å解ããªãã«ããªã³æ§è¡š
é¢æŽ»æ§å€ã§ãããã¹ã©ãªãŒãããªãšãã¬ã³ã®ã³ã
å ã§é«çŽåºŠã¢ã«ããçã«ããïŒæéæ©ç ãã次ã«
150âã§ïŒæé也ç¥ããã也ç¥ããæ··åç©ã20ã¡
ãã·ãŠãµãããéããŠæ©ç çãé€å»ãããïŒã€ã®
ç²æ«æ··åç©ã®ããããã®éå±æåã¯è¡šã«ééïŒ
ã§ç€ºãããã
åèµããé»æ¥µã®ããã®éããã³ãã©ãžãŠã ç²æ«ãª
ãã³ã«ãã®ãããªç²æ«ããã³ã³ã³ãã³ãµã®è£œæ³ã«
é¢ããã åŸæ¥ã®æè¡ïŒ 以åã®ã¢ããªã·ãã¯ã³ãã³ãµããã³æè¿ã®ã³ã³
ãã³ãµã«ã䜿çšãããã»ã©ããã¯åŠæ¹ã¯å®å šãªçŒ
çµããã³ã¡å¯åãéæããããã®é«æž©ã代衚çã«
ã¯1400âã§çŒæããªããã°ãªããªãããã®ãããª
ã³ã³ãã³ãµã¯çŽãã©ãžãŠã ã®ãããªãããã貎é
å±åèµé»æ¥µãå«ã¿ããã®é»æ¥µã¯é žåã«ãã€ãŠå°é»
æ§ã倱ãããšãªãããã€ã»ã©ããã¯ãçæã®ãã
çŒçµããåèšé«æž©ããé«ãèç¹ïŒ1550âïŒãæã
ããäœèç¹éå±ã¯é«æž©çŒçµã®éã«ã»ã©ããã¯ãã
ç°¡åã«æµåºãããéã®ãããªé«èç¹åéå±ã¯ã»ã©
ããã¯ã®éå ãé¿ããããéåžžå¿ èŠãªé žåçŒæé°
å²æ°äžã§é žåããéé»å°æ§ã«ãªãã®ã§äœ¿çšãããª
ããããã«ãã®ãããªéå±é žåç©ã¯é£æ¥ã»ã©ãã
ã¯ãžæ¡æ£ããåŸåããããããã«ãã€ãŠãã®èªé»
äœã®é»æ°çæ§è³ªãå£åããã ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµå·¥æ¥ã«ã¯çŸ
åšçŒçµå©å€ãŸãã¯ãã©ãã¯ã¹ãéåžžã¬ã©ã¹ãå«ã
äœæž©çŒæã»ã©ããã¯çµæã䜿çšããæ¹åãžã®æã
ããªåãããããã¬ã©ã¹ããŸãè解ããã»ã©ãã
ã¯ã®çŒçµã¯è解ããã³åçµæ¶ã®åæçéçšã«ãã€
ãŠè¡ããããããã¯ç±³åœç¹èš±ç¬¬4266265å·æ现æž
ã«èšèŒã®ããã«æ¶²çžçŒçµãšããŠå ¬ç¥ã§ãããå€ã
ã®ãã®ãããªãã©ãã¯ã¹å«æåžè²©ã³ã³ãã³ãµã¯
1200â以äžã§çŒçµããã70AgïŒ30pdã®ä»£è¡šçé
éçµæããã³1160âã®åºçžç·æž©åºŠãæããéâã
ã©ãžãŠã é»æ¥µãå«ãããã©ãã¯ã¹ãå«ãŸãªãä»ã®
ã»ã©ããã¯çµæã¯ããšãã°ç±³åœç¹èš±ç¬¬4324750å·
æ现æžã«èšèŒã®ããã«ãã®ãããªäœæž©ã§çŒçµãã
ãããããã®ã»ã©ããã¯ã¯AgïŒPdåéé»æ¥µã䜿
çšããããšãã§ãããããã«ãã€ãŠäœããšãã«ã®
ãŒè²»çšããã³äœãéå±äŸ¡æ Œãã倧ããç¯çŽãéæ
ããããçš®ã ã®éâãã©ãžãŠã åéãã€ãã«åºäœ
ã§ãã枩床ã¯ç¬¬ïŒå³ã®åºçžç·ïŒïŒããäžã«ããã çºæã解決ããããšããåé¡ç¹ïŒ å ¬ç¥ã»ã©ããã¯ã³ã³ãã³ãµãçŒæããéãã°ã
ã°ã³ã³ãã³ãµçç£ãããã®ããªãã®éšåã«è£ãã
çºçããããã¯éåžžé»æ¥µãšã»ã©ããã¯ã®éã®çé¢
ã®å±€å²ãã§ãããããã«ãã€ãŠå®¹éã®æ倱ããã³
寿åœã®ççž®ã®ãããªã³ã³ãã³ãµã®é»æ°çç¹æ§ãå£
åããããã®ãããªè£ãããã³å£åã¯æå¹èªé»å±€
ã®åããå°ãããªããšãšãã«ãŸããŸãæ¿ãããª
ãã ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®å±€å²ãã¯
å€ãã¯ã»ã©ããã¯çŒæå·¥çšã®åæã®äœæž©æã®éã«
åèµé»æ¥µã®å¯žæ³ãå€åããããšã«èµ·å ãããã®é
çšã¯ã»ã©ããã¯äžã®ææ©çµåå€ãççŒããåŸãã
ã€ã»ã©ããã¯èªäœãçŒçµã«ãã€ãŠåŒ·åºŠãåŸãåã§
ããã æ¬çºæã®ç®çã¯ãããªãå Žåã«ãå±€å²ãããªã
匷åºãªã³ã³ãã³ãµãããŒãåŸãããã«ãäžé枩床
çŒæã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµãããŒã®
ããã®é»æ¥µã€ã³ãã«äœ¿çšãããéããã³ãã©ãžãŠ
ã å«æç²æ«ãåŸãããšã§ãããããïŒã€ã®ç®çã¯
èãèªé»å±€ããã³åäžã«å¹³æ»ãªåèµé»æ¥µãæãã
ããšã®ãããªã»ã©ããã¯ã³ã³ãã³ãµã®è£œæ³ãåŸã
ããšã§ããã åé¡ç¹ã解決ããããã®ææ®µïŒ äžè¬ã«æ¬çºæã®éå±é»æ¥µç²æ«ã¯90AgïŒ10Pdã®
ééçµæããã³åéç²åã®è¡šé¢ã«åœ¢æããåŸ®çŽ°é ž
åãã©ãžãŠã ãæããéâãã©ãžãŠã åéç²åã
å«ããé žåãã©ãžãŠã ã¯ãã¹ãŠã®é£æ¥åéç²åã®
çé¢ã«ãããåéãçŒçµããã³åçž®ãã枩床ãäž
æããå¹æãæããã ãã®ãããªé»æ¥µç²æ«ã補é ããæ¬çºæã®æ¹æ³ã«
ããã°é90ééïŒ æªæºã®AgïŒPdåéç²æ«ãçŽ
500âã«å ç±ããŠåéãããã©ãžãŠã ã®äžéšãé ž
åããåéç²åã®è¡šé¢ã«åŸ®çŽ°ãªé žåãã©ãžãŠã ã
圢æããïŒããã«äœ¿çšããâåéâã®èªã¯åºæº¶äœ
ãè¡šãããïŒããã®500âå ç±å·¥çšã«ãã€ãŠåéã
ããã©ãžãŠã ããããã«éã«å¯ãçµæ90AgïŒ
10Pdãæ®ãããã«ååãªãã©ãžãŠã ãé€ããŠã
ãã¹ãŠé žåãããããšãæããã«ãªã€ãããã®
90AgïŒ10Pdåéã¯ãã以äžã®é žåã«èããéåžž
ã«å®å®ãªåºæº¶äœã§ããããšãå®èšŒãããã æ¬çºæã®é»æ¥µç²æ«ãã¢ããªã·ãã¯ã»ã©ããã¯ã³
ã³ãã³ãµè£œé ã®åžžçšæ³ã«åžžçšã®AgïŒPdç²æ«æ··å
ç©ã®ä»£ãã«äœ¿çšããå ŽåãçŒçµã®éçŽ500âãŸã§
ã®åèµé»æ¥µã®å¯žæ³å€åã¯ç¡èŠå¯èœã§ããã500â
ãè¶ ãããšã»ã©ããã¯ãããŒèªäœãçŒçµãå§ãã
匷床ãåŸãããã®çµæè£ãããã³å±€å²ãã®çºçã¯
ã»ãŒãŒãã§ããã æ¬çºæã®ïŒçžç²æ«ã¯åéç²æ«ãšé žåãã©ãžãŠã
ç²æ«ã®ç°¡åãªçµåãã«é¢ããçš®ã ã®é¡èãªå©ç¹ã
æãããæ¬çºæã®ç²æ«ã®å Žåãååéç²åã¯ãã®
è¡šé¢ã«å¯æ¥ã«çµåããé žåãã©ãžãŠã ãæããã®
ã§ãå®å šã«åæ£ããïŒçžç³»ã¯èããããªãããã
ã«ãã€ãŠã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®é»
極ããã³ã»ã©ããã¯ã®åæçŒæã®éãçã»ã©ãã
ã¯ã±ãŒããããããŠåŒ±ããããªãã¡500âããäœ
ãåæã®äœæž©ã§çŒçµããã³åçž®ããåã ã®åéç²
åããªãããšãä¿èšŒãããã æ¬çºæã®æå©ãªã³ã³ãã³ãµè£œæ³ã«ããéå±ç²æ«
äºç±å·¥çšã®éãéç²åã¯é£æ¥ãããã©ãžãŠã ç²å
ãžæ¡æ£ããŠåéããããšããã®ã¯éã®ãã©ãžãŠã
ã«å¯Ÿããæ¡æ£é床ã¯ãã©ãžãŠã ã®éã«å¯Ÿããæ¡æ£
é床ãã倧ããããã§ãããããã§åºçºææãšã
ãŠå®¹æã«åŸããããµããã¯ãç²åãµã€ãºã®ãã©ãž
ãŠã ç²æ«ïŒããšãã°ïŒã12m2ïŒïœïŒãåæ§å®¹æã«
åŸããã倧ç²åéç²æ«ïŒããšãã°ïŒm2ïŒïœããå°
ããè¡šé¢ç©ãæããéç²æ«ïŒãšãšãã«äœ¿çšããã
ãšãå¯èœã§ããã埮现ãªéç²æ«ã¯è£œé ãå°é£ã§ã
ããé«äŸ¡ã§ããããã®ããã«æ¬æ³ã¯åºçºéç²æ«ç²
åã®èš±å®¹åºŠãåºãå©ç¹ãæããã ããã«èµ°æ»é»åé¡åŸ®é¡ã§æ®åœ±ããé¡åŸ®é¡åçã«
ããã°ïŒãã¯ãã³ãã倧ããåéç²åã¯åéåºæ
é¢ããã³ç²çã«æ²¿ã€ãŠPdOãæåºããããããã³
PdOãšAgïŒPdåéã®åäœæ Œåãµã€ãºãé©åããª
ãããã埮现ãªç²åã«åè£ããããšã瀺ãããã
æ©æ§ã¯ãšãããäºç±ããç²æ«ãæ©æ¢°çã«åéãå
é¢ããåŸãç²åãµã€ãºã¯çŽïŒãã¯ãã³ã®éåžžã«ç
ãååžãæããããšãæããã«ãªã€ãããã®ç¹åŸŽ
ã«ãã€ãŠé«ãã³ã³ãã³ãµç Žå£é»å§ãçããããã
ãŠå¹³æ»ãªã³ã³ãã³ãµé»æ¥µã圢æãããã å®æœäŸïŒ å®éšïŒïŒ ç¹æ§ã瀺ã3.4m2ïŒïœã®è¡šé¢ç©ãæããéç²æ«
ããã³ç¹æ§ãè¡šãã11.15m2ïŒïœã®è¡šé¢ç©ãæã
ããã©ãžãŠã ç²æ«ãããªãïŒã€ã®æ··åç©ããšãã«
泚æã®ãªãéããããã次ã®æ¹æ³ã«ãã€ãŠè£œé ã
ãã ã¹ã©ãªãŒã¯éå±ç²æ«30ïœããã«ãããªãŒã«13
ïœãã¬ã»ãã³ïŒlecethinïŒ3.75ïœããã³Geigy
Industrial ChemicalsãArdsleyãNYã®
QuaternaryâïŒåæšïŒ3.75ïœãããªã溶液ãžæ·»
å ããŠèª¿è£œãããã¬ã»ãã³ããã³Quaternaryâ
ã¯æå©ã«350â以äžã§å解ããªãã«ããªã³æ§è¡š
é¢æŽ»æ§å€ã§ãããã¹ã©ãªãŒãããªãšãã¬ã³ã®ã³ã
å ã§é«çŽåºŠã¢ã«ããçã«ããïŒæéæ©ç ãã次ã«
150âã§ïŒæé也ç¥ããã也ç¥ããæ··åç©ã20ã¡
ãã·ãŠãµãããéããŠæ©ç çãé€å»ãããïŒã€ã®
ç²æ«æ··åç©ã®ããããã®éå±æåã¯è¡šã«ééïŒ
ã§ç€ºãããã
ãè¡šã
äžèšæ¹æ³ã®äŸå€ãšããŠãã©ãžãŠã åã®é«ãæ··å
ç©ïŒããã³ïŒã¯åæ£ãããããããããã€ãšå€é
ã®è¡šé¢æŽ»æ§å€ããªãã¡ãããã4.35ïœãã¹ã©ãªãŒ
ã«æ·»å ããã 次ã«ãããç²æ«ã®æž©åºŠã«ãã寞æ³å€åã枬å®ã
ãããè©Šéšãå®æœãããããããã®0.5ïœã®ãã¬
ãããçŽåŸ6.4mmïŒ0.250ã€ã³ãïŒãé«ã3.8mm
ïŒ0.150ã€ã³ãïŒã®åå ã§çè«å¯åºŠã®çŽ50ïŒ ã«ç²æ«
ãå§çž®ããããšã«ãã€ãŠè£œé ãããèšåŒµèšã«ãã
第ïŒå³ã«æ²ç·ïŒïŒã§ç€ºããããªå ç±ã®éã®åãã¬
ããã®èšåŒµãåçž®ã枬å®ããã寞æ³å€åã®ïŒ ã¯ã
ãããè¡šã®æ··åç©ïŒãïŒã«å¯Ÿã第ïŒå³ã«æ²ç·ïŒã
ïŒã§ç€ºããã æ²ç·ïŒãïŒã®ããããã®æåã®èšåŒµã¯ãã©ãžãŠ
ã ãšéã®åé圢æã«çžåœãããããšãã°ãã®èšåŒµ
ã¯90AgïŒ10Pdã®çµæã§ã¯120ã220âã®ç¯å²ã§çº
çãããåºçºéå±ãããåæ£ããŠããªããšãã€ãš
倧ããèšåŒµãçºçããããšãææããããããã¯
åæ£ããŠããªããã©ãžãŠã ã®é žåã«ãã€ãŠçã
ããå¿ èŠãªããšã¯æé©ã®åæ£ã«ããAgç²åãPd
ç²åã«100ïŒ æ¥è§ŠããŠããããšã§ãããè¯å¥œãªå
æ£ã«ã¯è¡šé¢æŽ»æ§å€ã®äœ¿çšãå¿ èŠã§ããã ã³ã³ãã³ãµå ã§é»æ¥µã®åé圢æã®éçºçããé»
極ã®èšåŒµã¯ã»ã©ããã¯ãéåžžã«åŒ±ã500âããäœ
ã枩床ç¯å²ã§çããã®ã§ãçžå²ãã®åŸåãå©é·ã
ããããã«éããã³ãã©ãžãŠã ç²æ«ã®åèšåæ£ã
å®å šã§ãªãå ŽåãçŽ350âã§éå§ããé»æ¥µã®èšåŒµ
ã¯äžéšæªåééé¢ãã©ãžãŠã ã®é žåã«åºãã第ïŒ
å³æ²ç·ã®äžåãåŸæã«ãã€ãŠç€ºãéå±ç²åã®çŒçµ
ã«åºãé»æ¥µéå±ã®åçž®ãåãçç±ã«ãã€ãŠè£ãã
ãã³å±€å²ãã®åå ãšãªããAgïŒPdåéããã®é ž
åããã³PdOã®æåºã¯ã»ãšãã©å¯žæ³å€ååå ã«ãª
ããªãããã©ãçŽãã©ãžãŠã ã®éé¢ç²åïŒæ¬çºæ
ã®ç³»ã§ã¯åæ£ãé©åœã§ãªãã€ãïŒã®é žåã¯å€§ãã
èšåŒµã䌎ãã å®éšïŒïŒ å ç±ããªãæ··åç©ïŒã®ææããã€ãã€ããã¬ã
ãã500âã«ïŒ1/2æéå ç±ããå·åŽããã次ã«ã
ããã®ãã¬ãããèšåŒµèšã«ãã寞æ³å€åãç£èŠã
ãªãã10âïŒminã®é床ã§å ç±ããããã®çµæã¯
第ïŒå³ã«æ²ç·ïŒã§ç€ºããããã®å Žå500âãŸã§ã®
èšåŒµã¯ïŒïŒ ããäœãããã®åŸã«åçž®ãçºçããã
ã®åçž®ã¯PdOã®éå ãéå ããããã©ãžãŠã ã®å
åéããã³ãã¯ãPdOããªã€ã«ãã€ãŠé»æ¢ãããª
ãåéç²åã®çŽæ¥çŒçµã«åºããã®ã§ããã ãã®ããã«æ¬çºæã«ããç±åŠçããé»æ¥µç²æ«ã«
ããèšåŒµãé¿ããããã»ã©ããã¯ã匷床ãåŸã
500âãè¶ ãã枩床ã§é ããåçž®ãèªããããã
é»æ¥µããŒã¹ãã«äœ¿çšããåã«ããŒã«ãã«ãŸãã¯æµ
äœãã«ïŒãžãšããç²ç ïŒã«ãã€ãŠåã³ç²ç ããã®
ãæå©ã§ããããã®ãããªç²ç ã«ããç²æ«ã¯0.5
ã5.0m2ïŒïœã®ç¯å²ã®è¡šé¢ç©ãåŸãã å®éšïŒïŒ è¡šé¢ç©çŽ12m2ïŒïœã®çŽãã©ãžãŠã ç²æ«ã575â
ã§å®å šã«é žåãã750âã§ã¯å®å šã«çãŸã€ãã790
âã§PdOã¯éå ãéå§ãïŒç©ºæ°äžã§å ç±ïŒã880â
ã«éããåŸã¯çŽãã©ãžãŠã ã®ã¿ãæ®ã€ãããã€ãš
è¡šé¢ç©ã®å°ããïŒå€§ããç²åãµã€ãºïŒãã©ãžãŠã
ç²æ«ã®å Žåãéå±ãå®å šã«é žåããããã«ã¯575
âãè¶ ãã枩床ãå¿ èŠã§ããããã©ãå®å šãªé žå
ç©PdOã790âã§ãªãèªããããå®å šãªéå ã¯880
â以äžã§å®çŸããã å®éšïŒïŒ éç²æ«70ïŒ ããã³ãã©ãžãŠã ç²æ«30ïŒ ã®æ··åç©
ãéå±ã«å¯Ÿã1.5ééïŒ ã®ã«ããªã³æ§è¡šé¢æŽ»æ§å€
Quaternaryâãå«ã氎溶液ã«åæ£ããããã¹
ã©ãªãŒãã¢ã«ãã§ïŒæéæ©ç ããå®å šãªæ··åç©ã
åŸãã次ã«ã¹ã©ãªãŒã150âã§ä¹Ÿç¥ãã200ã¡ãã·
ãŠã®ãµãããéããããµãããéã€ãç²æ«æ··åç©
ã®å€§éšåã300âã«ïŒ 1/2æéå ç±ããããã®å
ç±ããææã®ååãé€å»ããå·åŽãããæ®éšã¯ã
ãã«500âã«ïŒ 1/2æéå ç±ããã ãã®ããã«ç²æ«ã®ïŒã€ã®ããããåŸãïŒ(A)å ç±
ããªãéïŒãã©ãžãŠã æ··åç©ïŒ(B)300âã«å ç±ã
ãéâãã©ãžãŠã åéïŒåºæº¶äœïŒç²æ«ïŒ(C)500â
ã«å ç±ããéâãã©ãžãŠã åéç²æ«ãåãããã
ããã¯ã«ãšããŠã®ãã«ããªããŒã«ããã³è¡šé¢æŽ»æ§
å€ãšããŠã®ã¬ã»ãã³äžã§ïŒæéæ©ç ãããéå±ã«
察ããã«ããªããŒã«ã¯47.5ééïŒ ãã¬ã»ãã³ã¯
2.5ééïŒ ã§ãã€ããæ©ç å·¥çšã«ããåéç²åã
ç Žå£ããããæ©ç åŸããã¯ã«ããã³ã¬ã»ãã³åæ£
å€ïŒè¡šé¢æŽ»æ§å€ïŒã¯æå©ã«é»æ¥µã€ã³ãã®äž»èŠã¬ãª
ããžãŒèŠçŽ ãšããŠäœ¿çšããããšãã§ããã ïŒã€ã®ç²æ«ïŒ¡ãããã³ïŒ£ã«å¯Ÿããç·åææ²
ç·ïŒïŒïŒïŒïŒããã³ïŒïŒã¯ããããïŒïŒïŒããã³
ïŒå³ã«ç€ºããããæ²ç·ïŒïŒã¯çŽéããã³çŽãã©ãž
ãŠã ã®ç¹æ§ãè¡šããç·åæããŒã¯ã瀺ããæ²ç·
ïŒïŒã¯é70ïŒ ããã³ãã©ãžãŠã 30ïŒ ã®åºæº¶äœã®ç¹
æ§ãè¡šããåæããŒã¯ã瀺ããéé¢éãéé¢ãã©
ãžãŠã ãŸãã¯é žåãã©ãžãŠã ãèªããããªãããš
ãææãããã 300â以äžã§åœ¢æããããã¹ãŠã®PdOã¯éå±ã®
çŽæ¥é žåã®çµæã§ãããåéç²åããã®é žåã§ã¯
ãªããåºçºéããã³ãã©ãžãŠã ç²æ«ã®é©åœãªåæ£
ã®ããã®å¥œé©ãªè©Šéšã¯ãã¬ããåããæ··åç©ã®è©Š
æãçŽ275âã«å ç±ãã次ã«PdOãååšãããã©
ããã枬å®ãïŒããšãã°ïŒžç·åæã«ããïŒããŸã
ã¯å ç±ã®éã«é žåãçºçãããã©ããã枬å®ãã
ïŒããšãã°TGAã«ããïŒããšã§ããããšãããã«
ããæããã§ããã æ²ç·ïŒïŒïŒç¬¬ïŒå³ïŒã¯é žåãã©ãžãŠã ïŒPdOïŒ
ããã³é90ééïŒ ãšãã©ãžãŠã 10ééïŒ ã®çµæ
ïŒïŒžç·åæ枬å®ã«ãã€ãŠæ±ºå®ãããã»ã©æ¥è¿ããŠ
ãããïŒã®ç¹æ§ãè¡šããããŒã¯ã瀺ããåºæº¶äœå
æããŒã¯ã®ã·ãããææãããããããããã³ä»
ã®çµéã«ãã90AgïŒ10Pdåéç²åã®è¡šé¢ã«æåº
ããé žåãã©ãžãŠã ã®åœ¢æã¯ç¬¬ïŒå³ã«ç€ºã枩床ã®
é«æž©ç¯å²ãŸã§éå±åçž®ãã·ããããã³é 延ããå
å ã§ããããšãæããã§ããã ãã©ãžãŠã ããã³éã®åæ£ãå®å šã«éæãããª
ãå Žåã§ãæ¬çºæã®æ¹æ³ã«ããã°ãªãã³ã³ãã³ãµ
ã«è£ãããã³å±€å²ããçããåŸåãå ¬ç¥æè¡ã®é»
極ããŒã¹ãããå°ããé»æ¥µããŒã¹ããåŸãããã
éé¢ãã©ãžãŠã ïŒé©æ£ã«åæ£ããŠããªãïŒã¯ç²å
ãµã€ãºã«å¿ããŠçŽ300ã500âã§é žåããèšåŒµã
ãããããéé¢ãã©ãžãŠã ãå°éšåã§ããã°ïŒæ®
éšéå±ã®çŽ20ééïŒ ããäœããã°ïŒãååãªãã©
ãžãŠã ã90AgïŒ10Pdåéç²åã®äžã«ä¿è·é žåã
ã©ãžãŠã ã®èèãšããŠåéããã³æåºããè£ãã
ãã³å²ããé²æ¢ãããã å®éšïŒïŒ è¡šé¢ç©ïŒm2ïŒïœã®éç²æ«ããã³è¡šé¢ç©10m2ïŒïœ
ã®ãã©ãžãŠã ç²æ«ã䜿çšããŠé»æ¥µç²æ«ãäŸïŒã®ç²
æ«ãããïŒ500âã«äºç±ïŒãšåãæ¹æ³ã§è£œé ã
ããç±åŠçç²æ«ã®ç¹æ§ã瀺ãè¡šé¢ç©ã¯æšæºã¬ã¹ã¢
ããœãŒãè¡šé¢ç©æž¬å®ã«ãã0.75m2ïŒïœã§ãã€ã
ïŒçç¶ç²åçŽåŸ0.70ãã¯ãã³ã«çžåœããïŒããã®æ
æãïŒæéãã«ãããªãŒã«ããã³ã¬ã»ãã³äžã§æ©
ç ãããç²åãµã€ãºååžæ²ç·ïŒïŒããã³ïŒïŒã¯ã
ããã第ïŒå³ã«ç±åŠçããç²æ«ããã³æ©ç ããç²
æ«ã«å¯Ÿã瀺ããããæ©ç åŸã®ç²åã¯éåžžã«çãå
åžã瀺ããã»ãŒååæ£ã§ããããã®æå€ãªããã
æãŸããçµæã¯æ¬çºæã®ç²æ«è£œé æ³ã®æ¬æ¥ã®ç¹åŸŽ
ã§ããã å®éšïŒïŒ å®éšïŒããã³è¡šã«èšèŒã®éå±æ··åç©ïŒãïŒã
å«ãè©Šéšãã¬ããã®ããïŒã€ã®çŸ€ã補é ããããŸ
ã ç±åŠçããŠããªããã¬ããã®åïŒã€ãåŸæå ç±
ãã次ã«TGAã§ééå€åã枩床ã®åœæ°ãšããŠæž¬
å®ããããã®ãããªè©Šéšã«ããææ©ããã¯ã«ãã
ã³çµåå€ãççŒãå»ãæç¹ããã³é žåãŸãã¯éå
ãçºçããæç¹ãæããã«ãªããTGAæ²ç·ã¯ç¬¬
ïŒãïŒïŒå³ã«ããããæ··åç©ïŒãïŒããã€ãã€ã
ãã¬ããã«å¯ŸããŠç€ºãããã å®éšïŒïŒ å®éšïŒããã³è¡šã«èšèŒã®éå±æ··åç©ïŒãïŒã
å«ãè©Šéšãã¬ããã®ããïŒã€ã®çŸ€ã補é ãããã
ããã®ã¹ã©ãªãŒã150âã§ä¹Ÿç¥ãããµããåãã
ãããã©ãŸã ç±åŠçããªãã€ãã å矀ã®ç²æ«ææã325âã«åæéå ç±ããå·åŽ
ããã次ã«å矀ãç·åæåæãããAgâPdç³»
ã®ãã€ãšãé«ãããŒã¯ã111åæé¢ã«èŠãã ãã
ãã 第ïŒïŒãïŒïŒå³ã®ïŒžç·åæãã€ãŒãã«ã¯ããã
ãæ··åç©ïŒãïŒããã®ç·©ãã«ïŒ325âïŒäºç±ãã
çµæç©ã瀺ããããç¹æ§ãè¡šããç·åæè§2Ξã¯
é »ç¹ã«çºçããããŒã¯ã«å¯Ÿãè¡šã«ç€ºãããã
ç©ïŒããã³ïŒã¯åæ£ãããããããããã€ãšå€é
ã®è¡šé¢æŽ»æ§å€ããªãã¡ãããã4.35ïœãã¹ã©ãªãŒ
ã«æ·»å ããã 次ã«ãããç²æ«ã®æž©åºŠã«ãã寞æ³å€åã枬å®ã
ãããè©Šéšãå®æœãããããããã®0.5ïœã®ãã¬
ãããçŽåŸ6.4mmïŒ0.250ã€ã³ãïŒãé«ã3.8mm
ïŒ0.150ã€ã³ãïŒã®åå ã§çè«å¯åºŠã®çŽ50ïŒ ã«ç²æ«
ãå§çž®ããããšã«ãã€ãŠè£œé ãããèšåŒµèšã«ãã
第ïŒå³ã«æ²ç·ïŒïŒã§ç€ºããããªå ç±ã®éã®åãã¬
ããã®èšåŒµãåçž®ã枬å®ããã寞æ³å€åã®ïŒ ã¯ã
ãããè¡šã®æ··åç©ïŒãïŒã«å¯Ÿã第ïŒå³ã«æ²ç·ïŒã
ïŒã§ç€ºããã æ²ç·ïŒãïŒã®ããããã®æåã®èšåŒµã¯ãã©ãžãŠ
ã ãšéã®åé圢æã«çžåœãããããšãã°ãã®èšåŒµ
ã¯90AgïŒ10Pdã®çµæã§ã¯120ã220âã®ç¯å²ã§çº
çãããåºçºéå±ãããåæ£ããŠããªããšãã€ãš
倧ããèšåŒµãçºçããããšãææããããããã¯
åæ£ããŠããªããã©ãžãŠã ã®é žåã«ãã€ãŠçã
ããå¿ èŠãªããšã¯æé©ã®åæ£ã«ããAgç²åãPd
ç²åã«100ïŒ æ¥è§ŠããŠããããšã§ãããè¯å¥œãªå
æ£ã«ã¯è¡šé¢æŽ»æ§å€ã®äœ¿çšãå¿ èŠã§ããã ã³ã³ãã³ãµå ã§é»æ¥µã®åé圢æã®éçºçããé»
極ã®èšåŒµã¯ã»ã©ããã¯ãéåžžã«åŒ±ã500âããäœ
ã枩床ç¯å²ã§çããã®ã§ãçžå²ãã®åŸåãå©é·ã
ããããã«éããã³ãã©ãžãŠã ç²æ«ã®åèšåæ£ã
å®å šã§ãªãå ŽåãçŽ350âã§éå§ããé»æ¥µã®èšåŒµ
ã¯äžéšæªåééé¢ãã©ãžãŠã ã®é žåã«åºãã第ïŒ
å³æ²ç·ã®äžåãåŸæã«ãã€ãŠç€ºãéå±ç²åã®çŒçµ
ã«åºãé»æ¥µéå±ã®åçž®ãåãçç±ã«ãã€ãŠè£ãã
ãã³å±€å²ãã®åå ãšãªããAgïŒPdåéããã®é ž
åããã³PdOã®æåºã¯ã»ãšãã©å¯žæ³å€ååå ã«ãª
ããªãããã©ãçŽãã©ãžãŠã ã®éé¢ç²åïŒæ¬çºæ
ã®ç³»ã§ã¯åæ£ãé©åœã§ãªãã€ãïŒã®é žåã¯å€§ãã
èšåŒµã䌎ãã å®éšïŒïŒ å ç±ããªãæ··åç©ïŒã®ææããã€ãã€ããã¬ã
ãã500âã«ïŒ1/2æéå ç±ããå·åŽããã次ã«ã
ããã®ãã¬ãããèšåŒµèšã«ãã寞æ³å€åãç£èŠã
ãªãã10âïŒminã®é床ã§å ç±ããããã®çµæã¯
第ïŒå³ã«æ²ç·ïŒã§ç€ºããããã®å Žå500âãŸã§ã®
èšåŒµã¯ïŒïŒ ããäœãããã®åŸã«åçž®ãçºçããã
ã®åçž®ã¯PdOã®éå ãéå ããããã©ãžãŠã ã®å
åéããã³ãã¯ãPdOããªã€ã«ãã€ãŠé»æ¢ãããª
ãåéç²åã®çŽæ¥çŒçµã«åºããã®ã§ããã ãã®ããã«æ¬çºæã«ããç±åŠçããé»æ¥µç²æ«ã«
ããèšåŒµãé¿ããããã»ã©ããã¯ã匷床ãåŸã
500âãè¶ ãã枩床ã§é ããåçž®ãèªããããã
é»æ¥µããŒã¹ãã«äœ¿çšããåã«ããŒã«ãã«ãŸãã¯æµ
äœãã«ïŒãžãšããç²ç ïŒã«ãã€ãŠåã³ç²ç ããã®
ãæå©ã§ããããã®ãããªç²ç ã«ããç²æ«ã¯0.5
ã5.0m2ïŒïœã®ç¯å²ã®è¡šé¢ç©ãåŸãã å®éšïŒïŒ è¡šé¢ç©çŽ12m2ïŒïœã®çŽãã©ãžãŠã ç²æ«ã575â
ã§å®å šã«é žåãã750âã§ã¯å®å šã«çãŸã€ãã790
âã§PdOã¯éå ãéå§ãïŒç©ºæ°äžã§å ç±ïŒã880â
ã«éããåŸã¯çŽãã©ãžãŠã ã®ã¿ãæ®ã€ãããã€ãš
è¡šé¢ç©ã®å°ããïŒå€§ããç²åãµã€ãºïŒãã©ãžãŠã
ç²æ«ã®å Žåãéå±ãå®å šã«é žåããããã«ã¯575
âãè¶ ãã枩床ãå¿ èŠã§ããããã©ãå®å šãªé žå
ç©PdOã790âã§ãªãèªããããå®å šãªéå ã¯880
â以äžã§å®çŸããã å®éšïŒïŒ éç²æ«70ïŒ ããã³ãã©ãžãŠã ç²æ«30ïŒ ã®æ··åç©
ãéå±ã«å¯Ÿã1.5ééïŒ ã®ã«ããªã³æ§è¡šé¢æŽ»æ§å€
Quaternaryâãå«ã氎溶液ã«åæ£ããããã¹
ã©ãªãŒãã¢ã«ãã§ïŒæéæ©ç ããå®å šãªæ··åç©ã
åŸãã次ã«ã¹ã©ãªãŒã150âã§ä¹Ÿç¥ãã200ã¡ãã·
ãŠã®ãµãããéããããµãããéã€ãç²æ«æ··åç©
ã®å€§éšåã300âã«ïŒ 1/2æéå ç±ããããã®å
ç±ããææã®ååãé€å»ããå·åŽãããæ®éšã¯ã
ãã«500âã«ïŒ 1/2æéå ç±ããã ãã®ããã«ç²æ«ã®ïŒã€ã®ããããåŸãïŒ(A)å ç±
ããªãéïŒãã©ãžãŠã æ··åç©ïŒ(B)300âã«å ç±ã
ãéâãã©ãžãŠã åéïŒåºæº¶äœïŒç²æ«ïŒ(C)500â
ã«å ç±ããéâãã©ãžãŠã åéç²æ«ãåãããã
ããã¯ã«ãšããŠã®ãã«ããªããŒã«ããã³è¡šé¢æŽ»æ§
å€ãšããŠã®ã¬ã»ãã³äžã§ïŒæéæ©ç ãããéå±ã«
察ããã«ããªããŒã«ã¯47.5ééïŒ ãã¬ã»ãã³ã¯
2.5ééïŒ ã§ãã€ããæ©ç å·¥çšã«ããåéç²åã
ç Žå£ããããæ©ç åŸããã¯ã«ããã³ã¬ã»ãã³åæ£
å€ïŒè¡šé¢æŽ»æ§å€ïŒã¯æå©ã«é»æ¥µã€ã³ãã®äž»èŠã¬ãª
ããžãŒèŠçŽ ãšããŠäœ¿çšããããšãã§ããã ïŒã€ã®ç²æ«ïŒ¡ãããã³ïŒ£ã«å¯Ÿããç·åææ²
ç·ïŒïŒïŒïŒïŒããã³ïŒïŒã¯ããããïŒïŒïŒããã³
ïŒå³ã«ç€ºããããæ²ç·ïŒïŒã¯çŽéããã³çŽãã©ãž
ãŠã ã®ç¹æ§ãè¡šããç·åæããŒã¯ã瀺ããæ²ç·
ïŒïŒã¯é70ïŒ ããã³ãã©ãžãŠã 30ïŒ ã®åºæº¶äœã®ç¹
æ§ãè¡šããåæããŒã¯ã瀺ããéé¢éãéé¢ãã©
ãžãŠã ãŸãã¯é žåãã©ãžãŠã ãèªããããªãããš
ãææãããã 300â以äžã§åœ¢æããããã¹ãŠã®PdOã¯éå±ã®
çŽæ¥é žåã®çµæã§ãããåéç²åããã®é žåã§ã¯
ãªããåºçºéããã³ãã©ãžãŠã ç²æ«ã®é©åœãªåæ£
ã®ããã®å¥œé©ãªè©Šéšã¯ãã¬ããåããæ··åç©ã®è©Š
æãçŽ275âã«å ç±ãã次ã«PdOãååšãããã©
ããã枬å®ãïŒããšãã°ïŒžç·åæã«ããïŒããŸã
ã¯å ç±ã®éã«é žåãçºçãããã©ããã枬å®ãã
ïŒããšãã°TGAã«ããïŒããšã§ããããšãããã«
ããæããã§ããã æ²ç·ïŒïŒïŒç¬¬ïŒå³ïŒã¯é žåãã©ãžãŠã ïŒPdOïŒ
ããã³é90ééïŒ ãšãã©ãžãŠã 10ééïŒ ã®çµæ
ïŒïŒžç·åæ枬å®ã«ãã€ãŠæ±ºå®ãããã»ã©æ¥è¿ããŠ
ãããïŒã®ç¹æ§ãè¡šããããŒã¯ã瀺ããåºæº¶äœå
æããŒã¯ã®ã·ãããææãããããããããã³ä»
ã®çµéã«ãã90AgïŒ10Pdåéç²åã®è¡šé¢ã«æåº
ããé žåãã©ãžãŠã ã®åœ¢æã¯ç¬¬ïŒå³ã«ç€ºã枩床ã®
é«æž©ç¯å²ãŸã§éå±åçž®ãã·ããããã³é 延ããå
å ã§ããããšãæããã§ããã ãã©ãžãŠã ããã³éã®åæ£ãå®å šã«éæãããª
ãå Žåã§ãæ¬çºæã®æ¹æ³ã«ããã°ãªãã³ã³ãã³ãµ
ã«è£ãããã³å±€å²ããçããåŸåãå ¬ç¥æè¡ã®é»
極ããŒã¹ãããå°ããé»æ¥µããŒã¹ããåŸãããã
éé¢ãã©ãžãŠã ïŒé©æ£ã«åæ£ããŠããªãïŒã¯ç²å
ãµã€ãºã«å¿ããŠçŽ300ã500âã§é žåããèšåŒµã
ãããããéé¢ãã©ãžãŠã ãå°éšåã§ããã°ïŒæ®
éšéå±ã®çŽ20ééïŒ ããäœããã°ïŒãååãªãã©
ãžãŠã ã90AgïŒ10Pdåéç²åã®äžã«ä¿è·é žåã
ã©ãžãŠã ã®èèãšããŠåéããã³æåºããè£ãã
ãã³å²ããé²æ¢ãããã å®éšïŒïŒ è¡šé¢ç©ïŒm2ïŒïœã®éç²æ«ããã³è¡šé¢ç©10m2ïŒïœ
ã®ãã©ãžãŠã ç²æ«ã䜿çšããŠé»æ¥µç²æ«ãäŸïŒã®ç²
æ«ãããïŒ500âã«äºç±ïŒãšåãæ¹æ³ã§è£œé ã
ããç±åŠçç²æ«ã®ç¹æ§ã瀺ãè¡šé¢ç©ã¯æšæºã¬ã¹ã¢
ããœãŒãè¡šé¢ç©æž¬å®ã«ãã0.75m2ïŒïœã§ãã€ã
ïŒçç¶ç²åçŽåŸ0.70ãã¯ãã³ã«çžåœããïŒããã®æ
æãïŒæéãã«ãããªãŒã«ããã³ã¬ã»ãã³äžã§æ©
ç ãããç²åãµã€ãºååžæ²ç·ïŒïŒããã³ïŒïŒã¯ã
ããã第ïŒå³ã«ç±åŠçããç²æ«ããã³æ©ç ããç²
æ«ã«å¯Ÿã瀺ããããæ©ç åŸã®ç²åã¯éåžžã«çãå
åžã瀺ããã»ãŒååæ£ã§ããããã®æå€ãªããã
æãŸããçµæã¯æ¬çºæã®ç²æ«è£œé æ³ã®æ¬æ¥ã®ç¹åŸŽ
ã§ããã å®éšïŒïŒ å®éšïŒããã³è¡šã«èšèŒã®éå±æ··åç©ïŒãïŒã
å«ãè©Šéšãã¬ããã®ããïŒã€ã®çŸ€ã補é ããããŸ
ã ç±åŠçããŠããªããã¬ããã®åïŒã€ãåŸæå ç±
ãã次ã«TGAã§ééå€åã枩床ã®åœæ°ãšããŠæž¬
å®ããããã®ãããªè©Šéšã«ããææ©ããã¯ã«ãã
ã³çµåå€ãççŒãå»ãæç¹ããã³é žåãŸãã¯éå
ãçºçããæç¹ãæããã«ãªããTGAæ²ç·ã¯ç¬¬
ïŒãïŒïŒå³ã«ããããæ··åç©ïŒãïŒããã€ãã€ã
ãã¬ããã«å¯ŸããŠç€ºãããã å®éšïŒïŒ å®éšïŒããã³è¡šã«èšèŒã®éå±æ··åç©ïŒãïŒã
å«ãè©Šéšãã¬ããã®ããïŒã€ã®çŸ€ã補é ãããã
ããã®ã¹ã©ãªãŒã150âã§ä¹Ÿç¥ãããµããåãã
ãããã©ãŸã ç±åŠçããªãã€ãã å矀ã®ç²æ«ææã325âã«åæéå ç±ããå·åŽ
ããã次ã«å矀ãç·åæåæãããAgâPdç³»
ã®ãã€ãšãé«ãããŒã¯ã111åæé¢ã«èŠãã ãã
ãã 第ïŒïŒãïŒïŒå³ã®ïŒžç·åæãã€ãŒãã«ã¯ããã
ãæ··åç©ïŒãïŒããã®ç·©ãã«ïŒ325âïŒäºç±ãã
çµæç©ã瀺ããããç¹æ§ãè¡šããç·åæè§2Ξã¯
é »ç¹ã«çºçããããŒã¯ã«å¯Ÿãè¡šã«ç€ºãããã
ãè¡šã
å®éšïŒïŒ
å®éšïŒã®ç²æ«ã®äºç±ãã矀ãããã«500âã§1/2
æéå ç±ããã次ã«åç²æ«çŸ€ãç·åæåæã
ãã 第ïŒïŒãïŒïŒå³ã®ïŒžç·åæãã€ãŒãã¯ãããã
æ··åç©ïŒãïŒããã®å®å šç±åŠçããçµæç©ã瀺
ãã ãããã®å®éšã¯é žçŽ ãAgïŒPdåéã®ç²åãžæ¡
æ£ããããã«ãã€ãŠåºçºåéãPl10ïŒ ããå€ãå Ž
åãã©ãžãŠã ãé žåãããããšãæããã«ç€ºãã
次ã«PdOã¯ç²åå éšããè¡šé¢ãžæåºãããPdOã®
æåºããã¹ãŠAgïŒPdåéããçºçããããšã¯ã
ã®ããåéã500âã«å ç±ããåŸãç·åæ枬å®
ã匷ãPdOããŒã¯ã瀺ããšåæã«åéã®åæããŒ
ã¯ãçŽ90AgïŒ10Pdåéãžã·ããããäºå®ãã確
èªããããPdOæåºã¯70AgïŒ30Pdã®åäœæ Œåãµ
ã€ãºïŒ65â«3ïŒãšPdOã®ãµã€ãºïŒ49â«3ïŒãéåžžã«
ããé¢ããŠããäºå®ãããæ¯æããããéã«å¯ã
éâãã©ãžãŠã åéç²åè¡šé¢ã«æåºããPdOåå
å±€ã®é·ç§»çååšã¯AgïŒPdåéç²åã®çŒçµã®é·ã
é 延ã®åå ã§ããããšã¯æããã§ããã ãã®ããã«æ¬çºæã®ïŒã€ã®æ¹æ³ã«ããã°çŽãã©
ãžãŠã ããã³çŽéãéåžžã«å®å šã«åæ£ããã空æ°
äžã§çŽ500âã«äºç±ããããŸãåéã圢æãããã
é žçŽ ãåéç²åãžæ¡æ£ããã次ã«ãã©ãžãŠã ã®äž
éšãé žåããé žåãã©ãžãŠã ã¯åéç²åã®è¡šé¢ã«
æåºããŠçŒçµãé»æ¢ããããã®çµæç²æ«ã¯PdOçž
ããã³90AgïŒ10Pdçžãæããããã®äºç±ããç²
æ«ãã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®é»æ¥µã
ãŒã¹ãã«äœ¿çšããå Žåãçã»ã©ããã¯ãéåžžã«åŒ±
ã500âãŸã§ã®ã»ã©ããã¯çŒæã®éã寞æ³å€åã
å°ãããçºçããªãïŒç¬¬ïŒå³æ²ç·ïŒåç §ïŒããã®
枩床ãŸã§çã»ã©ããã¯ã®å¯žæ³å€åã¯ä»£è¡šçã«ã¯
0.2ïŒ ã§ãããã»ã©ããã¯ã¯çŽ500âãè¶ ãããšçŒ
çµãéå§ããã»ã©ããã¯ãããŒã¯ã»ã©ããã¯çŒçµ
éçšã®ãã®æç¹ã§åŒ·åºŠãåŸå§ããã å®éšã®çµæã¯90AgïŒ10Pdããããã«éã«å¯ã
åéã«å¯ŸããŠãã©ãžãŠã ã®é žåããã³åŒç¶ãåé
çµæ¶è¡šé¢ã®PdOæåºã®å®æœã¯äžå¯èœã§ãªããšããŠ
ãéåžžã«å°é£ã§ããããšã瀺ããŠãããå®éã«
90AgïŒ10pdçµæã¯éåžžã«äœæž©ã§çŒçµããã»ã©ã
ãã¯ã³ã³ãã³ãµã®åèµé»æ¥µãšããŠããŸãã¯å°å·å°
äœãããã¯ã³ã³ãã³ãµã®ã¿ãŒããã«ãšããŠæå©ãª
ãšãã«å®å®ãªåéã§ãããšèãããããã®ééã®
移åã¯çŽéã«æ¯ããŠèããé ãã åèšç²æ«ç±åŠçå·¥çšïŒ500âãžã®äºç±ïŒã§çŽé
ããã³çŽãã©ãžãŠã ç²åã¯é žåãéå§ããåã«ãŸ
ãåéãããããã§æ¬çºæã®é»æ¥µç²æ«ã¯åäžçžã®
AgïŒPdåéïŒåºæº¶äœïŒç²æ«ãçŽ500âã«å ç±ã
ãããšã«ãã€ãŠè£œé ããããšãã§ããã ããããæ¬çºæã®PdO被èŠãã90AgïŒ10Pdå
éç²æ«ã¯åºçºææãšããŠåäžåé70AgïŒ30Pdç²
æ«ããããã¯AgïŒpdåéã®æ··åç©ããšãã°
95AgïŒ5Pdãš20AgïŒ80Pdã®æ··åç©ããŸãã¯éã
ããã¯ãã©ãžãŠã ç²æ«ãšåéç²æ«ã®æ··åç©ããšã
ã°ãã©ãžãŠã ç²æ«ãš85AgïŒ15Pdã®æ··åç©ã䜿çš
ããŠè£œé ããããšãã§ãããäžèšåºçºæ··åç©ã®å
åºçºæåã®éãé©æ£ã«èª¿ç¯ããããšã«ãã€ãŠæçµ
çã«çŒçµããã³ã³ãã³ãµé»æ¥µã®çµæã決å®ããã
ãšãã§ããããããçŽãã©ãžãŠã ç²æ«ãšçŽéç²æ«
ã®åºçºæ··åç©ã䜿çšããã®ãããããã¯ãã€ãšã
容æã«å ¥æã§ããäŸ¡æ Œããã€ãšãäœãã®ã§ãæå©
ã§ãããïŒm2ïŒïœãšãã«ïŒm2ïŒïœããå°ããè¡šé¢
ç©ã®éç²æ«ã¯ãšãã«çµæžçã§ããã åºçºææïŒæ¬çºæã®æ¹æ³ã«ãã補é ããé»æ¥µç²
æ«ã®ããã®ïŒäžã®éãšãã©ãžãŠã ã®ééæ¯ã¯
30AgïŒ70pdã90AgïŒ10pdã®éãæå©ã§ããããš
ããã®ã¯ãã®åéç¯å²ã¯çŸåšéåžžã«å€ã䜿çšã
ãããã€ãããã®åéã«å¯ŸããŠæ¬çºæã¯æããã«
æ倧ã®å©ç¹ãåŸãããããã§ããã
æéå ç±ããã次ã«åç²æ«çŸ€ãç·åæåæã
ãã 第ïŒïŒãïŒïŒå³ã®ïŒžç·åæãã€ãŒãã¯ãããã
æ··åç©ïŒãïŒããã®å®å šç±åŠçããçµæç©ã瀺
ãã ãããã®å®éšã¯é žçŽ ãAgïŒPdåéã®ç²åãžæ¡
æ£ããããã«ãã€ãŠåºçºåéãPl10ïŒ ããå€ãå Ž
åãã©ãžãŠã ãé žåãããããšãæããã«ç€ºãã
次ã«PdOã¯ç²åå éšããè¡šé¢ãžæåºãããPdOã®
æåºããã¹ãŠAgïŒPdåéããçºçããããšã¯ã
ã®ããåéã500âã«å ç±ããåŸãç·åæ枬å®
ã匷ãPdOããŒã¯ã瀺ããšåæã«åéã®åæããŒ
ã¯ãçŽ90AgïŒ10Pdåéãžã·ããããäºå®ãã確
èªããããPdOæåºã¯70AgïŒ30Pdã®åäœæ Œåãµ
ã€ãºïŒ65â«3ïŒãšPdOã®ãµã€ãºïŒ49â«3ïŒãéåžžã«
ããé¢ããŠããäºå®ãããæ¯æããããéã«å¯ã
éâãã©ãžãŠã åéç²åè¡šé¢ã«æåºããPdOåå
å±€ã®é·ç§»çååšã¯AgïŒPdåéç²åã®çŒçµã®é·ã
é 延ã®åå ã§ããããšã¯æããã§ããã ãã®ããã«æ¬çºæã®ïŒã€ã®æ¹æ³ã«ããã°çŽãã©
ãžãŠã ããã³çŽéãéåžžã«å®å šã«åæ£ããã空æ°
äžã§çŽ500âã«äºç±ããããŸãåéã圢æãããã
é žçŽ ãåéç²åãžæ¡æ£ããã次ã«ãã©ãžãŠã ã®äž
éšãé žåããé žåãã©ãžãŠã ã¯åéç²åã®è¡šé¢ã«
æåºããŠçŒçµãé»æ¢ããããã®çµæç²æ«ã¯PdOçž
ããã³90AgïŒ10Pdçžãæããããã®äºç±ããç²
æ«ãã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®é»æ¥µã
ãŒã¹ãã«äœ¿çšããå Žåãçã»ã©ããã¯ãéåžžã«åŒ±
ã500âãŸã§ã®ã»ã©ããã¯çŒæã®éã寞æ³å€åã
å°ãããçºçããªãïŒç¬¬ïŒå³æ²ç·ïŒåç §ïŒããã®
枩床ãŸã§çã»ã©ããã¯ã®å¯žæ³å€åã¯ä»£è¡šçã«ã¯
0.2ïŒ ã§ãããã»ã©ããã¯ã¯çŽ500âãè¶ ãããšçŒ
çµãéå§ããã»ã©ããã¯ãããŒã¯ã»ã©ããã¯çŒçµ
éçšã®ãã®æç¹ã§åŒ·åºŠãåŸå§ããã å®éšã®çµæã¯90AgïŒ10Pdããããã«éã«å¯ã
åéã«å¯ŸããŠãã©ãžãŠã ã®é žåããã³åŒç¶ãåé
çµæ¶è¡šé¢ã®PdOæåºã®å®æœã¯äžå¯èœã§ãªããšããŠ
ãéåžžã«å°é£ã§ããããšã瀺ããŠãããå®éã«
90AgïŒ10pdçµæã¯éåžžã«äœæž©ã§çŒçµããã»ã©ã
ãã¯ã³ã³ãã³ãµã®åèµé»æ¥µãšããŠããŸãã¯å°å·å°
äœãããã¯ã³ã³ãã³ãµã®ã¿ãŒããã«ãšããŠæå©ãª
ãšãã«å®å®ãªåéã§ãããšèãããããã®ééã®
移åã¯çŽéã«æ¯ããŠèããé ãã åèšç²æ«ç±åŠçå·¥çšïŒ500âãžã®äºç±ïŒã§çŽé
ããã³çŽãã©ãžãŠã ç²åã¯é žåãéå§ããåã«ãŸ
ãåéãããããã§æ¬çºæã®é»æ¥µç²æ«ã¯åäžçžã®
AgïŒPdåéïŒåºæº¶äœïŒç²æ«ãçŽ500âã«å ç±ã
ãããšã«ãã€ãŠè£œé ããããšãã§ããã ããããæ¬çºæã®PdO被èŠãã90AgïŒ10Pdå
éç²æ«ã¯åºçºææãšããŠåäžåé70AgïŒ30Pdç²
æ«ããããã¯AgïŒpdåéã®æ··åç©ããšãã°
95AgïŒ5Pdãš20AgïŒ80Pdã®æ··åç©ããŸãã¯éã
ããã¯ãã©ãžãŠã ç²æ«ãšåéç²æ«ã®æ··åç©ããšã
ã°ãã©ãžãŠã ç²æ«ãš85AgïŒ15Pdã®æ··åç©ã䜿çš
ããŠè£œé ããããšãã§ãããäžèšåºçºæ··åç©ã®å
åºçºæåã®éãé©æ£ã«èª¿ç¯ããããšã«ãã€ãŠæçµ
çã«çŒçµããã³ã³ãã³ãµé»æ¥µã®çµæã決å®ããã
ãšãã§ããããããçŽãã©ãžãŠã ç²æ«ãšçŽéç²æ«
ã®åºçºæ··åç©ã䜿çšããã®ãããããã¯ãã€ãšã
容æã«å ¥æã§ããäŸ¡æ Œããã€ãšãäœãã®ã§ãæå©
ã§ãããïŒm2ïŒïœãšãã«ïŒm2ïŒïœããå°ããè¡šé¢
ç©ã®éç²æ«ã¯ãšãã«çµæžçã§ããã åºçºææïŒæ¬çºæã®æ¹æ³ã«ãã補é ããé»æ¥µç²
æ«ã®ããã®ïŒäžã®éãšãã©ãžãŠã ã®ééæ¯ã¯
30AgïŒ70pdã90AgïŒ10pdã®éãæå©ã§ããããš
ããã®ã¯ãã®åéç¯å²ã¯çŸåšéåžžã«å€ã䜿çšã
ãããã€ãããã®åéã«å¯ŸããŠæ¬çºæã¯æããã«
æ倧ã®å©ç¹ãåŸãããããã§ããã
第ïŒå³ã¯éâãã©ãžãŠã åéã®æšæºåºçžç·ã瀺
ãå³ã第ïŒå³ã¯PdOè¡šé¢ãæããæ¬çºæã®
90AgïŒ10Pdåéç²åãå«ãAgâPdç³»ã®ãã¬ã
ãåããç²æ«ã®èšåŒµããã³åçž®æ²ç·å³ã第ïŒå³ã¯
çŽéããã³çŽãã©ãžãŠã ç²æ«ã®ïŒžç·åæãã€ãŒ
ãã第ïŒå³ã¯ç¬¬ïŒå³ç²æ«æ··åç©ã®300âãŸã§ã®ç±
åŠçåŸã®ïŒžç·åæãã€ãŒãã第ïŒå³ã¯ç¬¬ïŒå³ç²æ«
æ··åç©ãããã«500âã«å ç±ããåŸã®æ¬çºæã®ç²
æ«ã®ïŒžç·åæãã€ãŒãã第ïŒå³ã¯ç¬¬ïŒå³ã«ç€ºãæ
æã®ç²åãµã€ãºååžå³ã第ïŒå³ã第ïŒïŒå³ã¯ïŒã€
ã®AgïŒPdåéã®æž©åºŠãšééå€åã®é¢ä¿ã瀺ãç±
ééåæèšïŒTGAïŒã®ã°ã©ãã第ïŒïŒå³ã第ïŒ
ïŒå³ã¯åèšïŒã€ã®AgïŒPdåéã325âã«äºç±ã
ãåŸã®ïŒžç·åæãã€ãŒãã第ïŒïŒå³ã第ïŒïŒå³ã¯
åèšïŒã€ã®AgïŒPdåéãæ¬çºæã«ãã500âã§
ç±åŠçããåŸã®ïŒžç·åæãã€ãŒãã§ããã
ãå³ã第ïŒå³ã¯PdOè¡šé¢ãæããæ¬çºæã®
90AgïŒ10Pdåéç²åãå«ãAgâPdç³»ã®ãã¬ã
ãåããç²æ«ã®èšåŒµããã³åçž®æ²ç·å³ã第ïŒå³ã¯
çŽéããã³çŽãã©ãžãŠã ç²æ«ã®ïŒžç·åæãã€ãŒ
ãã第ïŒå³ã¯ç¬¬ïŒå³ç²æ«æ··åç©ã®300âãŸã§ã®ç±
åŠçåŸã®ïŒžç·åæãã€ãŒãã第ïŒå³ã¯ç¬¬ïŒå³ç²æ«
æ··åç©ãããã«500âã«å ç±ããåŸã®æ¬çºæã®ç²
æ«ã®ïŒžç·åæãã€ãŒãã第ïŒå³ã¯ç¬¬ïŒå³ã«ç€ºãæ
æã®ç²åãµã€ãºååžå³ã第ïŒå³ã第ïŒïŒå³ã¯ïŒã€
ã®AgïŒPdåéã®æž©åºŠãšééå€åã®é¢ä¿ã瀺ãç±
ééåæèšïŒTGAïŒã®ã°ã©ãã第ïŒïŒå³ã第ïŒ
ïŒå³ã¯åèšïŒã€ã®AgïŒPdåéã325âã«äºç±ã
ãåŸã®ïŒžç·åæãã€ãŒãã第ïŒïŒå³ã第ïŒïŒå³ã¯
åèšïŒã€ã®AgïŒPdåéãæ¬çºæã«ãã500âã§
ç±åŠçããåŸã®ïŒžç·åæãã€ãŒãã§ããã
Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ 90AgïŒ10Pdã®ééçµæãæããéâãã©ãž
ãŠã åéç²æ«ãããªãããã®åéç²æ«ãç²åè¡šé¢
ã«åéç²æ«ã®çŒçµæž©åºŠãäžæãã埮现ãªé žåãã©
ãžãŠã ãæããããšãç¹åŸŽãšããã¢ããªã·ãã¯ã»
ã©ããã¯ã³ã³ãã³ãµè£œé ã«äœ¿çšããããã®éå±é»
極ç²æ«ã ïŒ éã®å šééãšãã©ãžãŠã éå±ã®å šééã®æ¯ã
30AgïŒ70Pdã90AgïŒ10Pdã®ç¯å²å ã«ããç¹èš±
è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®ç²æ«ã ïŒ ç²æ«ã®è¡šé¢ç©ã0.5ã2.0m2ïŒïœã§ããç¹èš±è«
æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®ç²æ«ã ïŒ ç²åã®å¹³åãµã€ãºã0.1ãïŒãã¯ãã³ã§ãã
ç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®ç²æ«ã ïŒ éã90ééïŒ ããäœãéâãã©ãžãŠã åéç²
æ«ã空æ°äžã§500âã«å ç±ããŠãã©ãžãŠã ã®äžéš
ãé žåããåéç²æ«ç²åã®è¡šé¢ã«åŸ®çŽ°ãªé žåãã©
ãžãŠã ã圢æãããã®åéããã€ãšéã«å¯ã
90AgïŒ10Pdã®ééçµæã«ããããšãç¹åŸŽãšãã
ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã«äœ¿çšããã
ãã®éå±é»æ¥µç²æ«ã®è£œæ³ã ïŒ é žåããåéç²æ«ã液äœææ©ããã¯ã«ãšæ··å
ããŠé»æ¥µããŒã¹ãã圢æããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒ
é èšèŒã®è£œæ³ã ïŒ å ç±ã®åã«ãéç²æ«ããã©ãžãŠã ç²æ«ãšæ··å
ãããã®ïŒã€ã®éå±ç²æ«ã培åºçã«åæ£ãããŠå
質ãªïŒéå±ç²æ«æ··åç©ã圢æãããã®æ··åç©ã
300âãŸã§äºç±ããŠéâãã©ãžãŠã åéç²æ«ã圢
æããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®è£œæ³ã ïŒ éç²æ«ããã©ãžãŠã ç²æ«ããèããå°ããè¡š
é¢ç©ãæããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®è£œæ³ã ïŒ éç²æ«ã®è¡šé¢ç©ãïŒm2ïŒïœããå°ããããã©
ãžãŠã ç²æ«ã®è¡šé¢ç©ãïŒã12m2ïŒïœã®ç¯å²å ã«ã
ãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®è£œæ³ã ïŒïŒ åéç²æ«ãããã«å ç±ããåŸã«ç²æ«è¡šé¢ç©
ã0.5ã5.0m2ïŒïœã«ãªããŸã§ç²ç ããç¹èš±è«æ±ã®
ç¯å²ç¬¬ïŒé èšèŒã®è£œæ³ã ïŒïŒ éç²æ«ããã³ãã©ãžãŠã ç²æ«ã350âãè¶
ãã枩床ã§å解ãå§ãã溶解ããã«ããªã³æ§åæ£
å€ãå«ã液äœããã¯ã«äžã§æ©ç ããŠåæ£ãããç¹
èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®è£œæ³ã ïŒïŒ éç²æ«ãšãã©ãžãŠã ç²æ«ã®ééæ¯ã30ïŒ70
ã90ïŒ10ã§ããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®è£œ
æ³ã ïŒïŒ (a) éåã90ééïŒ ããäœãéâãã©ãžãŠ
ã åéç²æ«ã空æ°äžã§500âã«å ç±ããŠãã©ãž
ãŠã ã®äžéšãé žåããåéç²æ«ç²åã®è¡šé¢ã«åŸ®
现ãªé žåãã©ãžãŠã ã圢æãããã€åéããã
ã«éã«å¯ã90AgïŒ10Pdã®ééçµæã«ããŠé»æ¥µ
ããŒã¹ãã補é ãã (b) é«æž©çŒæã»ã©ããã¯ç²æ«ãšäœèç¹çŒçµãã©ã
ã¯ã¹ã®æ··åç©ãããªãçã»ã©ããã¯çµæç©ã®å€
æ°ã®å±€ã圢æãã (c) å ç±ããéãã©ãžãŠã åéç²æ«ã®å±€ãçã»ã©
ããã¯å±€ã®ããããã®äžã«æ²ç©ããã (d) çã»ã©ããã¯å±€ãå ç©ããŠçã®ã¢ããªã·ãã¯
ã»ã©ããã¯ã³ã³ãã³ãµãããŒã圢æãã (e) ãã®çã»ã©ããã¯ãããŒã1200âããäœæž©ã§
çŒçµãã ããšãç¹åŸŽãšããã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ã
ã³ãµã®è£œæ³ã
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/493,863 US4500368A (en) | 1983-05-12 | 1983-05-12 | Ag/Pd electroding powder and method for making |
US493863 | 1983-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59224111A JPS59224111A (ja) | 1984-12-17 |
JPH0519807B2 true JPH0519807B2 (ja) | 1993-03-17 |
Family
ID=23962010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59093122A Granted JPS59224111A (ja) | 1983-05-12 | 1984-05-11 | ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµè£œé ã«äœ¿çšããããã®éå±é»æ¥µç²æ«ããã³ãã®è£œæ³ãªãã³ã«ã¢ããªã·ãã¯ã»ã©ããã¯ã³ã³ãã³ãµã®è£œæ³ |
Country Status (5)
Country | Link |
---|---|
US (1) | US4500368A (ja) |
EP (1) | EP0125831B1 (ja) |
JP (1) | JPS59224111A (ja) |
CA (1) | CA1224946A (ja) |
DE (1) | DE3475449D1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61251016A (ja) * | 1985-04-30 | 1986-11-08 | æ ªåŒäŒç€Ÿæ±è | ç©å±€åã»ã©ããã¯çŽ åã®è£œé æ¹æ³ |
FR2585174B1 (fr) * | 1985-07-16 | 1987-11-27 | Eurofarad | Procede de fabrication d'un composant capacitif multicouche a dielectrique ceramique du type cordierite, et composant ainsi obtenu |
FR2682806A1 (fr) * | 1991-10-18 | 1993-04-23 | Degussa Prod Ceramiques | Procede de fabrication de composants electroniques constitues d'un assemblage de couches dielectriques et de couches conductrices. |
JP3121119B2 (ja) * | 1992-06-16 | 2000-12-25 | ããŒã æ ªåŒäŒç€Ÿ | ç©å±€ã»ã©ããã¯ã³ã³ãã³ãµã®å€éšé»æ¥µã®åœ¢ææ¹æ³ |
US5367430A (en) * | 1992-10-21 | 1994-11-22 | Presidio Components, Inc. | Monolithic multiple capacitor |
US7625420B1 (en) * | 1997-02-24 | 2009-12-01 | Cabot Corporation | Copper powders methods for producing powders and devices fabricated from same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1458459C2 (de) * | 1963-02-14 | 1974-07-25 | E.I. Du Pont De Nemours And Company, Wilmington, Del. (V.St.A.) | Verfahren zur Herstellung von pulverförmigen Pail adium-Silber-Legierungen |
US3337365A (en) * | 1963-03-25 | 1967-08-22 | Ibm | Electrical resistance composition and method of using the same to form a resistor |
US3554796A (en) * | 1968-05-20 | 1971-01-12 | Rca Corp | Metallization of titanate wafers |
DE1930273A1 (de) * | 1968-06-14 | 1970-02-12 | Sylvania Electric Prod | Verfahren zum Herstellen von elektrischem Widerstandsmaterial,Widerstaenden und Schaltungen |
US3988498A (en) * | 1968-09-26 | 1976-10-26 | Sprague Electric Company | Low temperature fired electrical components and method of making same |
US3815187A (en) * | 1972-07-12 | 1974-06-11 | Union Carbide Corp | Process for making ceramic capacitors |
US4082906A (en) * | 1977-02-14 | 1978-04-04 | San Fernando Electric Manufacturing Company | Low temperature fired ceramic capacitors |
US4192698A (en) * | 1977-09-07 | 1980-03-11 | Sprague Electric Company | Making an electroding ink for a monolithic ceramic capacitor |
US4266265A (en) * | 1979-09-28 | 1981-05-05 | Sprague Electric Company | Ceramic capacitor and method for making the same |
NL8102809A (nl) * | 1981-06-11 | 1983-01-03 | Philips Nv | Weerstandspasta voor een weerstandslichaam. |
US4426356A (en) * | 1982-09-30 | 1984-01-17 | E. I. Du Pont De Nemours And Company | Method for making capacitors with noble metal electrodes |
-
1983
- 1983-05-12 US US06/493,863 patent/US4500368A/en not_active Expired - Lifetime
-
1984
- 1984-04-19 CA CA000452538A patent/CA1224946A/en not_active Expired
- 1984-05-01 DE DE8484302922T patent/DE3475449D1/de not_active Expired
- 1984-05-01 EP EP84302922A patent/EP0125831B1/en not_active Expired
- 1984-05-11 JP JP59093122A patent/JPS59224111A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0125831A3 (en) | 1986-10-22 |
DE3475449D1 (en) | 1989-01-05 |
EP0125831A2 (en) | 1984-11-21 |
CA1224946A (en) | 1987-08-04 |
JPS59224111A (ja) | 1984-12-17 |
US4500368A (en) | 1985-02-19 |
EP0125831B1 (en) | 1988-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1583107B1 (en) | Conductive paste for terminal electrode of multilayer ceramic electronic part | |
JP4613362B2 (ja) | å°é»ããŒã¹ãçšéå±ç²ããã³å°é»ããŒã¹ã | |
US4335216A (en) | Low temperature fired dielectric ceramic composition and method of making same | |
US4609525A (en) | Cadmium-free silver and metal oxide composite useful for electrical contacts and a method for its manufacture | |
JP5831055B2 (ja) | æ¿ç¶é žåã«ãããŠã ç²æ«ãšãã®è£œé æ¹æ³ããããçšããåèæµæçµæç© | |
US4568384A (en) | Method for making Ag/Pd electroding powder | |
EP1454689A1 (en) | Surface-treated ultrafine metal powder | |
JPH0586006B2 (ja) | ||
JPH0519807B2 (ja) | ||
DE69023316T2 (de) | Keramischer kondensator eines halbleitertyps mit laminierten und kornisolierten grenzschichten. | |
JP3414502B2 (ja) | é«æž©çŒæ察å¿è²Žéå±ç²æ«ããã³å°äœããŒã¹ã | |
EP0834370B1 (en) | Coated metal powder and process for preparing the same by decomposition | |
JP3474170B2 (ja) | ããã±ã«ç²åã³å°é»ããŒã¹ã | |
JP4042003B2 (ja) | ãµã³ããŠã£ããååèãµãŒãã¹ã¿ | |
US5429790A (en) | Method for preparing multilayer dielectric powder condensers | |
JPH054884A (ja) | ã»ã©ããã¯ã¹çšã¡ã¿ã©ã€ãºçµæç© | |
Ueyama et al. | Low temperature synthesis of silver-palladium alloy powders internal electrodes for multilayer ceramic devices | |
TW201920001A (zh) | åèé»é»é«çšçµæç©ãåèé»é»ç³ååèé»é»é« | |
JP4488325B2 (ja) | ãµãŒãã¹ã¿çšã®çµæç©ããã³ãã®äœè£œæ¹æ³äžŠã³ã«ãã®çµæç©ãçšãããµãŒãã¹ã¿ | |
JP4016232B2 (ja) | ããã±ã«ç²æ«ã®è£œé æ¹æ³ | |
US3674515A (en) | Metalizing composition including degassed platinum powders | |
JPH0598305A (ja) | é žåãã©ãžãŠã 被èŠãã©ãžãŠã ç²æ«ã®è£œé æ¹æ³ | |
JPS62293702A (ja) | ã»ã©ããã¯è³ªã®é žåäºéããªã¹ã¿ææã®è£œæ³ | |
KR101166709B1 (ko) | ì íì²Žì© íìŽì€íž ì¡°ì±ë¬Œ ì ì¡°ë°©ë², ìŽë¥Œ ìŽì©í íë§ ì í첎 ë° ê·ž ì ì¡°ë°©ë² | |
EP0444877A2 (en) | Electrical resistor element |