JPWO2008066140A1 - 積層セラミックコンデンサ - Google Patents
積層セラミックコンデンサ Download PDFInfo
- Publication number
- JPWO2008066140A1 JPWO2008066140A1 JP2008547041A JP2008547041A JPWO2008066140A1 JP WO2008066140 A1 JPWO2008066140 A1 JP WO2008066140A1 JP 2008547041 A JP2008547041 A JP 2008547041A JP 2008547041 A JP2008547041 A JP 2008547041A JP WO2008066140 A1 JPWO2008066140 A1 JP WO2008066140A1
- Authority
- JP
- Japan
- Prior art keywords
- crystal
- constituting
- group
- mol
- 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.)
- Granted
Links
- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 65
- 239000013078 crystal Substances 0.000 claims abstract description 465
- 239000002245 particle Substances 0.000 claims abstract description 166
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 111
- 239000010410 layer Substances 0.000 claims abstract description 87
- 239000000919 ceramic Substances 0.000 claims abstract description 80
- 239000011777 magnesium Substances 0.000 claims abstract description 80
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 73
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 72
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 40
- 239000002344 surface layer Substances 0.000 claims abstract description 25
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 239000011575 calcium Substances 0.000 claims description 56
- 239000010936 titanium Substances 0.000 claims description 26
- 229910052720 vanadium Inorganic materials 0.000 claims description 21
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 19
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 19
- 239000011572 manganese Substances 0.000 claims description 19
- 229910052719 titanium Inorganic materials 0.000 claims description 19
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 17
- 229910052726 zirconium Inorganic materials 0.000 claims description 17
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 16
- 229910052727 yttrium Inorganic materials 0.000 claims description 13
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 12
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 51
- 238000000034 method Methods 0.000 abstract description 22
- 238000012360 testing method Methods 0.000 abstract description 22
- 230000007423 decrease Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000010405 reoxidation reaction Methods 0.000 abstract description 6
- 239000000843 powder Substances 0.000 description 177
- 238000010304 firing Methods 0.000 description 38
- 239000003990 capacitor Substances 0.000 description 30
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 239000000203 mixture Substances 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 239000011521 glass Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 10
- 238000005498 polishing Methods 0.000 description 10
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000006104 solid solution Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000000921 elemental analysis Methods 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000007747 plating Methods 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 6
- 239000011812 mixed powder Substances 0.000 description 6
- 239000012046 mixed solvent Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910052573 porcelain Inorganic materials 0.000 description 6
- 229910018068 Li 2 O Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000002003 electrode paste Substances 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000007606 doctor blade method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000011246 composite particle Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- JXDXDSKXFRTAPA-UHFFFAOYSA-N calcium;barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[Ca+2].[Ti+4].[Ba+2] JXDXDSKXFRTAPA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
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
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
- H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
-
- 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
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- 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
- H01G4/30—Stacked capacitors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
- C04B2235/3203—Lithium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3239—Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
- C04B2235/663—Oxidative annealing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
- C04B2235/785—Submicron sized grains, i.e. from 0,1 to 1 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/79—Non-stoichiometric products, e.g. perovskites (ABO3) with an A/B-ratio other than 1
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
- C04B2235/85—Intergranular or grain boundary phases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
本発明の積層セラミックコンデンサについて、図1の概略断面図をもとに詳細に説明する。
本願発明では(CM2/CM1)>(CM4/CM3)、および(CR2/CR1)>(CR4/CR3)となるようにそれらの濃度比が調整される。具体的には、(CM2/CM1)は(CM4/CM3)の1.5〜12倍であるのがよい。また、(CR2/CR1)は(CR4/CR3)の1.005〜2倍であるのがよい。なお、本発明においてC1はCM1、CR1に、C2はCM2、CR2に、C3はCM3、CR3に、およびC4はCM4、CR4にそれぞれ対応する。
次に本発明の第2の実施形態を説明するが、第1の実施形態と重複する説明は省略することがある。この実施形態では、積層セラミックコンデンサを構成する結晶粒子9の平均粒径をx、その標準偏差をσとしたときに、x/σで表される粒径の変動係数が40%以下であることがよい。
その他は第1の実施形態と同じであるので、説明を省略する。
[実施例I]
まず、原料粉末として、BT粉末、BCT粉末(Ba0.95Ca0.05TiO3)、MgO、Y2O3、MnCO3、V2O5およびZrO2を準備し表5に示す割合で混合した。この場合、MgO、Y2O3、MnCO3、V2O5およびZrO2の添加量はBT粉末およびBCT粉末の合計量からチタン酸バリウム分を抽出した量100モル部に対する量である。
まず、原料粉末として、BT粉末、BCT粉末(Ba0.95Ca0.05TiO3)、MgO、Y2O3、MnCO3およびV2O5を準備し、これらの各種粉末を表6に示す割合で混合した。この場合、MgO、Y2O3、MnCO3およびV2O5の添加量はBT粉末およびBCT粉末の合計量100モル部に対する量である。これらの原料粉末は純度が99.9%のものを用いた。なお、BT粉末およびBCT粉末の平均粒径は、試料No.III−14以外はいずれも100nmとした。また、微粒のBT粉末は平均粒径が50nmのものを表1に示す割合で添加した。なお。試料No.III−14については、BCT粉末は平均粒径が0.24μm、BT粉末は平均粒径が0.2μmのものを用いた。
Claims (8)
- チタン酸バリウムを主成分とし、カルシウム,マグネシウム,バナジウムおよびマンガンと、ディスプロシウム,ホルミウム,エルビウムおよびイットリウムのうちいずれかの希土類元素とを含む誘電体磁器からなる誘電体層と、内部電極層とを交互に積層して形成された積層セラミックコンデンサであって、
前記誘電体磁器を構成する結晶は、前記チタン酸バリウムを主成分とし、前記カルシウムの濃度が0.2原子%以下の結晶粒子からなる第1の結晶群と、前記チタン酸バリウムを主成分とし、前記カルシウムの濃度が0.4原子%以上の結晶粒子からなる第2の結晶群とからなり、
前記第1の結晶群を構成する結晶粒子の表層部に含まれる前記マグネシウムおよび前記希土類元素の各濃度(C1)と前記第1の結晶群を構成する結晶粒子の中央部に含まれる前記マグネシウムおよび前記希土類元素の各濃度(C2)の比(C2/C1)のそれぞれが、前記第2の結晶群を構成する結晶粒子の表層部に含まれる前記マグネシウムおよび前記希土類元素の各濃度(C3)と前記第2の結晶群を構成する結晶粒子の中央部に含まれる前記マグネシウムおよび前記希土類元素の各濃度(C4)の比(C4/C3)のそれぞれよりも大きく、
かつ前記誘電体磁器の表面を研磨したときの研磨面において、前記第1の結晶群を構成する結晶粒子が占める面積をa、前記第2の結晶群を構成する結晶粒子が占める面積をbとしたとき、b/(a+b)が0.5〜0.8であることを特徴とする、積層セラミックコンデンサ。 - 前記誘電体磁器がさらにジルコニウムを含有し、請求項1記載の積層セラミックコンデンサ。
- 前記誘電体磁器がさらにジルコニウムを含有し、該ジルコニウムの含有量が、前記バリウムの酸化物(BaO)、前記カルシウムの酸化物(CaO)および前記チタンの酸化物(TiO2)の合計量100モル部に対して、ZrO2換算で0.2〜1モル部で含有する、請求項1記載の積層セラミックコンデンサ。
- 前記第1の結晶群および前記第2の結晶群を構成する結晶粒子の平均粒径をx、前記結晶粒子の粒径の標準偏差をσとしたときの変動係数(x/σ)×100(%)が40%以下である、請求項1記載の積層セラミックコンデンサ。
- 前記第1の結晶群を構成する結晶粒子の平均結晶粒径が前記第2の結晶群を構成する結晶粒子の平均結晶粒径より大きい、請求項1記載の積層セラミックコンデンサ。
- 前記誘電体磁器は、前記チタン酸バリウムを構成するチタン100モルに対して前記マグネシウムをMgO換算で0.5〜1モル、前記希土類元素(RE)をRE2O3換算で0.5〜1モル、前記マンガンをMnO換算で0.1〜0.3モル、および前記バナジウムをV2O5換算で0.1〜0.4モル含有するとともに、前記第1の結晶群を構成する結晶粒子の平均結晶粒径が前記第2の結晶群を構成する結晶粒子の平均結晶粒径より大きい、請求項1記載の積層セラミックコンデンサ。
- 前記誘電体磁器は、前記チタン酸バリウムを構成するチタン100モルに対して前記マグネシウムをMgO換算で0.5〜1モル、前記希土類元素(RE)をRE2O3換算で0.5〜1モル、前記マンガンをMnO換算で0.1〜0.3モル、および前記バナジウムをV2O5換算で0.1〜0.4モル含有し、さらに前記誘電体磁器がジルコニウムを含有し、該ジルコニウムの含有量が、前記バリウムの酸化物(BaO)、前記カルシウムの酸化物(CaO)および前記チタンの酸化物(TiO2)の合計量100モル部に対して、ZrO2換算で0.2〜1モル部含有する、請求項1記載の積層セラミックコンデンサ。
- 前記誘電体磁器は、前記チタン酸バリウムを構成するチタン100モルに対して前記マグネシウムをMgO換算で0.5〜1モル、前記希土類元素(RE)をRE2O3換算で0.5〜1モル、前記マンガンをMnO換算で0.1〜0.3モル、および前記バナジウムをV2O5換算で0.1〜0.4モル含有し、前記第1の結晶群および前記第2の結晶群を構成する結晶粒子の平均粒径をx、前記結晶粒子の粒径の標準偏差をσとしたときの変動係数(x/σ)×100(%)が40%以下である、請求項1記載の積層セラミックコンデンサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008547041A JP4814342B2 (ja) | 2006-11-29 | 2007-11-29 | 積層セラミックコンデンサ |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006321800 | 2006-11-29 | ||
JP2006321798 | 2006-11-29 | ||
JP2006321798 | 2006-11-29 | ||
JP2006321800 | 2006-11-29 | ||
JP2007195904 | 2007-07-27 | ||
JP2007195904 | 2007-07-27 | ||
PCT/JP2007/073117 WO2008066140A1 (fr) | 2006-11-29 | 2007-11-29 | Condensateur multicouche en céramique |
JP2008547041A JP4814342B2 (ja) | 2006-11-29 | 2007-11-29 | 積層セラミックコンデンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008066140A1 true JPWO2008066140A1 (ja) | 2010-03-11 |
JP4814342B2 JP4814342B2 (ja) | 2011-11-16 |
Family
ID=39467927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008547041A Active JP4814342B2 (ja) | 2006-11-29 | 2007-11-29 | 積層セラミックコンデンサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8059388B2 (ja) |
JP (1) | JP4814342B2 (ja) |
KR (1) | KR101064243B1 (ja) |
CN (1) | CN101542658B (ja) |
TW (1) | TW200834620A (ja) |
WO (1) | WO2008066140A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101517672B (zh) * | 2006-09-27 | 2012-05-16 | 京瓷株式会社 | 叠层陶瓷电容器及其制造方法 |
JP4925958B2 (ja) * | 2007-07-27 | 2012-05-09 | 京セラ株式会社 | 積層セラミックコンデンサ |
CN101960543B (zh) * | 2008-03-24 | 2012-01-25 | 京瓷株式会社 | 层叠陶瓷电容器 |
KR101383568B1 (ko) * | 2008-09-24 | 2014-04-09 | 가부시키가이샤 무라타 세이사쿠쇼 | 유전체 세라믹 조성물 및 적층 세라믹 콘덴서 |
JP5251913B2 (ja) * | 2010-03-29 | 2013-07-31 | 株式会社村田製作所 | 誘電体セラミック組成物および積層セラミックコンデンサ |
JP5655466B2 (ja) * | 2010-09-27 | 2015-01-21 | Tdk株式会社 | 六方晶系チタン酸バリウム粉末、その製造方法、誘電体磁器組成物および電子部品 |
JP5701013B2 (ja) * | 2010-10-28 | 2015-04-15 | 京セラ株式会社 | 積層セラミックコンデンサ |
KR101141434B1 (ko) | 2010-12-15 | 2012-05-04 | 삼성전기주식회사 | 적층 세라믹 콘덴서 및 그 제조방법 |
JPWO2012128175A1 (ja) * | 2011-03-18 | 2014-07-24 | 株式会社村田製作所 | 積層セラミックコンデンサ、誘電体セラミック、積層セラミック電子部品および積層セラミックコンデンサの製造方法 |
JP5450696B2 (ja) * | 2012-03-07 | 2014-03-26 | 太陽誘電株式会社 | 積層セラミックコンデンサ |
KR101376924B1 (ko) * | 2012-09-28 | 2014-03-20 | 삼성전기주식회사 | 유전체 조성물 및 이를 이용한 적층 세라믹 전자부품 |
KR101452077B1 (ko) * | 2012-12-28 | 2014-10-16 | 삼성전기주식회사 | 유전체 조성물 및 이를 포함하는 적층 세라믹 커패시터 |
KR101681358B1 (ko) * | 2013-04-08 | 2016-11-30 | 삼성전기주식회사 | 적층 세라믹 커패시터 및 그 제조방법 |
KR102083990B1 (ko) * | 2013-07-02 | 2020-03-03 | 삼성전기주식회사 | 유전체 조성물 및 적층 세라믹 커패시터 |
CN105377793B (zh) | 2013-09-18 | 2017-12-12 | 株式会社村田制作所 | 层叠陶瓷电容器及其制造方法 |
JP6680457B2 (ja) * | 2014-09-12 | 2020-04-15 | 株式会社村田製作所 | 積層セラミックコンデンサ |
US10068710B2 (en) | 2015-07-17 | 2018-09-04 | Murata Manufacturing Co., Ltd. | Laminated ceramic electronic component and method for manufacturing same |
CN108352251B (zh) * | 2015-10-28 | 2020-06-02 | 京瓷株式会社 | 电容器 |
KR101792368B1 (ko) | 2015-12-24 | 2017-11-20 | 삼성전기주식회사 | 유전체 자기 조성물, 유전체 재료 및 이를 포함하는 적층 세라믹 커패시터 |
JP7131955B2 (ja) * | 2017-08-08 | 2022-09-06 | 太陽誘電株式会社 | 積層セラミックコンデンサおよびその製造方法 |
KR102194706B1 (ko) * | 2019-02-15 | 2020-12-23 | 삼성전기주식회사 | 적층형 커패시터 |
US11309129B2 (en) * | 2019-06-28 | 2022-04-19 | Samsung Electro-Mechanics Co., Ltd. | Dielectric ceramic composition and multilayer ceramic electronic component having the same |
JP7279615B2 (ja) * | 2019-11-05 | 2023-05-23 | 株式会社村田製作所 | 積層セラミックコンデンサ |
JP2022068830A (ja) * | 2020-10-22 | 2022-05-10 | サムソン エレクトロ-メカニックス カンパニーリミテッド. | セラミック電子部品 |
KR20240076515A (ko) * | 2022-11-22 | 2024-05-30 | 삼성전기주식회사 | 적층형 전자 부품 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3391269B2 (ja) * | 1998-01-20 | 2003-03-31 | 株式会社村田製作所 | 誘電体セラミックおよびその製造方法、ならびに、積層セラミック電子部品およびその製造方法 |
JP2001240466A (ja) * | 2000-02-28 | 2001-09-04 | Taiyo Yuden Co Ltd | 誘電体磁器と積層セラミック電子部品 |
JP3934352B2 (ja) | 2000-03-31 | 2007-06-20 | Tdk株式会社 | 積層型セラミックチップコンデンサとその製造方法 |
DE10126099B4 (de) * | 2000-05-30 | 2008-11-13 | Tdk Corp. | Keramischer Vielschichtkondensator und Verfahren zu seiner Herstellung |
JP2003146744A (ja) | 2001-11-13 | 2003-05-21 | Ngk Insulators Ltd | 低温焼成用誘電体磁器の比誘電率の管理方法、低温焼成用誘電体磁器および電子部品 |
JP4110978B2 (ja) * | 2003-01-24 | 2008-07-02 | 株式会社村田製作所 | 誘電体セラミックおよびその製造方法ならびに積層セラミックコンデンサ |
KR100519821B1 (ko) * | 2003-12-18 | 2005-10-10 | 삼성전기주식회사 | 적층 세라믹 콘덴서용 유전체 조성물, 적층 세라믹콘덴서, 및 적층 세라믹 콘덴서의 제조방법 |
JP4614656B2 (ja) * | 2003-12-24 | 2011-01-19 | 京セラ株式会社 | 誘電体磁器および積層型電子部品、並びに積層型電子部品の製法 |
JP2005277393A (ja) | 2004-02-25 | 2005-10-06 | Kyocera Corp | 積層セラミックコンデンサおよびその製法 |
JP4506233B2 (ja) | 2004-03-30 | 2010-07-21 | 株式会社村田製作所 | 誘電体セラミックおよび積層セラミックコンデンサ |
JP2005347288A (ja) | 2004-05-31 | 2005-12-15 | Tdk Corp | 積層セラミックコンデンサの製造方法 |
TWI347624B (en) | 2004-07-29 | 2011-08-21 | Kyocera Corp | Laminated ceramic condenser and manufacturing method thereof |
JP4502740B2 (ja) * | 2004-07-29 | 2010-07-14 | 京セラ株式会社 | 積層セラミックコンデンサおよびその製法 |
JP4502741B2 (ja) * | 2004-07-29 | 2010-07-14 | 京セラ株式会社 | 積層セラミックコンデンサおよびその製法 |
US7433173B2 (en) | 2004-11-25 | 2008-10-07 | Kyocera Corporation | Multilayer ceramic capacitor and method for manufacturing the same |
JP4511323B2 (ja) | 2004-11-25 | 2010-07-28 | 京セラ株式会社 | 積層セラミックコンデンサおよびその製法 |
JP4549203B2 (ja) | 2005-02-24 | 2010-09-22 | 京セラ株式会社 | 積層セラミックコンデンサ |
KR101021513B1 (ko) | 2005-03-25 | 2011-03-16 | 쿄세라 코포레이션 | 적층 세라믹 콘덴서 및 그 제조방법 |
JP4925958B2 (ja) | 2007-07-27 | 2012-05-09 | 京セラ株式会社 | 積層セラミックコンデンサ |
-
2007
- 2007-11-29 KR KR1020097008589A patent/KR101064243B1/ko active IP Right Grant
- 2007-11-29 CN CN2007800440334A patent/CN101542658B/zh active Active
- 2007-11-29 WO PCT/JP2007/073117 patent/WO2008066140A1/ja active Application Filing
- 2007-11-29 JP JP2008547041A patent/JP4814342B2/ja active Active
- 2007-11-29 TW TW096145836A patent/TW200834620A/zh unknown
- 2007-11-29 US US12/516,797 patent/US8059388B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20090060454A (ko) | 2009-06-12 |
CN101542658B (zh) | 2011-05-18 |
WO2008066140A1 (fr) | 2008-06-05 |
KR101064243B1 (ko) | 2011-09-14 |
JP4814342B2 (ja) | 2011-11-16 |
US8059388B2 (en) | 2011-11-15 |
US20100067171A1 (en) | 2010-03-18 |
CN101542658A (zh) | 2009-09-23 |
TW200834620A (en) | 2008-08-16 |
TWI377586B (ja) | 2012-11-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4814342B2 (ja) | 積層セラミックコンデンサ | |
JP4925958B2 (ja) | 積層セラミックコンデンサ | |
TWI399766B (zh) | 積層陶瓷電容器及其製法 | |
JP4805938B2 (ja) | 誘電体磁器およびその製法、並びに積層セラミックコンデンサ | |
JP4965435B2 (ja) | 積層セラミックコンデンサおよびその製法 | |
JP4809152B2 (ja) | 積層セラミックコンデンサ | |
JP5121311B2 (ja) | 誘電体磁器および積層セラミックコンデンサ | |
JP4937068B2 (ja) | 積層セラミックコンデンサおよびその製法 | |
JP4999987B2 (ja) | 積層セラミックコンデンサ | |
JP5354867B2 (ja) | 誘電体磁器および積層セラミックコンデンサ | |
JP5558249B2 (ja) | 積層セラミックコンデンサ | |
JP2009238885A (ja) | 積層セラミックコンデンサ | |
JP2008135638A (ja) | 積層セラミックコンデンサ | |
JP5046699B2 (ja) | 誘電体磁器および積層セラミックコンデンサ | |
JP4771818B2 (ja) | 積層セラミックコンデンサ | |
JP4511323B2 (ja) | 積層セラミックコンデンサおよびその製法 | |
JP2006041371A (ja) | 積層セラミックコンデンサおよびその製法 | |
JP4508858B2 (ja) | 積層セラミックコンデンサおよびその製法 | |
JP5534976B2 (ja) | 積層セラミックコンデンサ | |
JP4753859B2 (ja) | 積層セラミックコンデンサ | |
JP2008109019A (ja) | 積層セラミックコンデンサ | |
JP4753860B2 (ja) | 積層セラミックコンデンサ | |
JP4557708B2 (ja) | 積層セラミックコンデンサおよびその製法 | |
JP2011249525A (ja) | 積層セラミックコンデンサ | |
JP2010080676A (ja) | 積層セラミックコンデンサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110802 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110825 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4814342 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140902 Year of fee payment: 3 |