WO2006067958A1 - 誘電体セラミックおよび積層セラミックコンデンサ - Google Patents
誘電体セラミックおよび積層セラミックコンデンサ Download PDFInfo
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- WO2006067958A1 WO2006067958A1 PCT/JP2005/022346 JP2005022346W WO2006067958A1 WO 2006067958 A1 WO2006067958 A1 WO 2006067958A1 JP 2005022346 W JP2005022346 W JP 2005022346W WO 2006067958 A1 WO2006067958 A1 WO 2006067958A1
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- Prior art keywords
- standard
- dielectric ceramic
- dielectric
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- 239000000919 ceramic Substances 0.000 title claims abstract description 102
- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 230000007935 neutral effect Effects 0.000 claims abstract description 6
- 229910052691 Erbium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052689 Holmium Inorganic materials 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 5
- 229910052771 Terbium Inorganic materials 0.000 claims description 5
- 239000010953 base metal Substances 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052775 Thulium Inorganic materials 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 46
- 239000010410 layer Substances 0.000 description 38
- 239000000843 powder Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 239000002994 raw material Substances 0.000 description 9
- 238000010304 firing Methods 0.000 description 7
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Definitions
- the present invention relates to a dielectric ceramic and a multilayer ceramic capacitor configured using the dielectric ceramic, and more particularly, a thinner dielectric ceramic layer in the multilayer ceramic capacitor configured with the dielectric ceramic. This is related to improvements to make this possible.
- Patent Document 1 includes a general formula: (Ba Ca Sr Gd) (Ti Zr Hf Mg
- Ma is Ba, Sr, and Ca
- Ma which also has barium titanate-based complex acid strength in which part of Ba is replaced with Gd and part of Ti is replaced with Mg. 1)
- Mb is at least one of Mn and Ni
- Mc Mc is both Si or Si and Ti
- Ma is 1.
- a dielectric ceramic is described that contains additional components, each containing 5 mol or more and 2.0 mol or less.
- the sintering stability is good, so that the moisture resistance is improved and is defined by JIS standards. It satisfies F characteristics and Y5V characteristics specified by EIA standards, and has a relative dielectric constant of 9000 or more, so that multilayer ceramic capacitors can be used in a wide temperature range.
- the dielectric ceramic layer is thinned, it is excellent in moisture resistance and reliability at high temperatures, so that the multilayer ceramic capacitor can be reduced in size and large capacity by thinning the dielectric ceramic layer. Moreover, there is no need to lower the rated voltage. Therefore, even if the thickness of the dielectric ceramic layer is reduced to, for example, 3 m, practically sufficient characteristics can be given in the multilayer ceramic capacitor.
- this dielectric ceramic is fired in a neutral or reducing atmosphere, it does not become a semiconductor and can provide a high specific resistance. Therefore, when a multilayer ceramic capacitor is formed using this dielectric ceramic, As the conductive component contained in the electrode, a base metal can be used without any problem, and as a result, the cost of the multilayer ceramic capacitor can be reduced.
- the dielectric ceramic layer of the multilayer ceramic capacitor is configured using the dielectric ceramic described in Patent Document 1
- the thickness of the dielectric ceramic layer is reduced to 2 m or less. This proved that it might be difficult to ensure reliability.
- the dielectric ceramic described in Patent Document 1 requires a high firing temperature in the vicinity of 1200 ° C. or 1200 ° C. or higher in order to sinter it.
- Patent Document 1 International Publication No. 2004Z067473 Pamphlet
- an object of the present invention is to provide a dielectric ceramic that can solve the above-described problems.
- Another object of the present invention is to provide a multilayer ceramic capacitor constituted by using the above-mentioned dielectric ceramic.
- the dielectric ceramic according to the present invention has a general formula:
- A is a value selected such that the principal component is electrically neutral with respect to a deviation from 3.
- ReO is one of Y, Sm, Eu, Tb, Dv, Ho, Er, Tm and Yb choose from
- the present invention also includes a plurality of laminated dielectric ceramic layers and a plurality of internal electrodes formed along a specific interface between the plurality of dielectric ceramic layers and overlapping in the stacking direction. It is also directed to a multilayer ceramic capacitor comprising a multilayer body and an external electrode formed on the outer surface of the multilayer body so as to be electrically connected to a specific one of the internal electrodes.
- the multilayer ceramic capacitor according to the present invention is characterized in that it also has the dielectric ceramic layer force according to the present invention as described above.
- the internal electrode preferably contains a base metal as a main component.
- the dielectric ceramic according to the present invention includes a common element and substantially the same main component as compared with that described in Patent Document 1, but includes Cu as an additive component. Is different.
- the dielectric ceramic according to the present invention having such a characteristic configuration, when the dielectric ceramic layer provided in the multilayer ceramic capacitor is configured using this, the dielectric described in Patent Document 1 is provided.
- the dielectric ceramic layer is thinned compared to the body ceramic.
- the reliability is high, the sintering can be performed at a lower temperature, and the change in capacitance with time at room temperature can be reduced.
- characteristics substantially equivalent to those of the dielectric ceramic described in Patent Document 1 can be obtained.
- the dielectric constant temperature characteristic having a relative dielectric constant as high as 10000 or more has the F characteristic and EIA defined by the JIS standard. It satisfies both the Y5V characteristics specified in the standard, and can provide high reliability with a long time to failure in accelerated reliability tests where the specific resistance is as high as 10 u Q m or more.
- the dielectric ceramic according to the present invention provides excellent moisture resistance and excellent reliability at high temperatures even when the dielectric ceramic layer provided in the multilayer ceramic capacitor is thinned. be able to. Therefore, it is possible to reduce the size and capacity of the multilayer ceramic capacitor by reducing the thickness of the dielectric ceramic layer, and it is not necessary to lower the rated voltage even if the thickness of the dielectric ceramic layer is reduced. For these reasons, even if the thickness of the dielectric ceramic layer is reduced to, for example, 2 m or less, practically sufficient characteristics can be provided in the multilayer ceramic capacitor.
- Re O Re is selected from among Y, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb as subcomponents
- the absolute value of the rate of change with time of the capacitance of a multilayer ceramic capacitor configured with such a dielectric ceramic at room temperature is further increased. Can be small.
- FIG. 1 is a cross-sectional view schematically showing a multilayer ceramic capacitor 1 configured using a dielectric ceramic according to the present invention.
- FIG. 1 is a cross-sectional view schematically showing a multilayer ceramic capacitor 1 formed using a dielectric ceramic according to the present invention.
- the multilayer ceramic capacitor 1 includes a multilayer body 2 having a rectangular parallelepiped shape as a whole.
- the multilayer body 2 has a plurality of laminated dielectric ceramic layers 3 and a plurality of internal electrodes 4 and 5 respectively formed along a plurality of specific interfaces between the plurality of dielectric ceramic layers 3. Composed.
- the internal electrodes 4 and 5 are formed so as to reach the outer surface of the laminate 2.
- the internal electrode 4 drawn to one end face 6 of the laminate 2 and the internal electrode drawn to the other end face 7 5 are alternately arranged inside the laminate 2.
- External electrodes 8 and 9 are formed on the outer surface of the laminate 2 on the end surfaces 6 and 7 by applying a conductive paste and then baking it, respectively.
- the first adhesive layers 10 and 11 such as nickel, copper, nickel-copper alloy, etc. are formed, respectively, and further, solder, tin, etc.
- Second plating layers 12 and 13 made of are formed, respectively.
- the plurality of internal electrodes 4 and 5 are formed so as to overlap each other in the stacking direction of the multilayer body 2, and accordingly, the adjacent internal electrodes 4 and 5 are adjacent to each other. Capacitance is formed between them.
- the internal electrode 4 and the external electrode 8 are electrically connected, and the internal electrode 5 and the external electrode 9 are electrically connected. Is taken out.
- the dielectric ceramic layer 3 has the following dielectric ceramic force, which is a feature of the present invention.
- A is a value selected such that the principal component is electrically neutral with respect to a deviation from 3.
- the dielectric ceramic layer 3 is formed using the dielectric ceramic as described above, the relative dielectric constant increases to 10000 or more, as is clear from the experimental example power described below. It satisfies the Y5V characteristics specified in the characteristics and EIA standards, has a high specific resistance of 10 11 ⁇ m or more, and an average failure time of 20 hours or more in an accelerated reliability test (150 ° C, DC electric field strength of 16.8 VZ m) Thus, the multilayer ceramic capacitor 1 can be made highly reliable.
- the dielectric ceramic layer 3 is thinned, excellent moisture resistance and high temperature reliability can be ensured. Therefore, by making the dielectric ceramic layer 3 thin, the multilayer ceramic core 3 can be secured.
- the capacitor 1 can be downsized and have a large capacity. Even if the dielectric ceramic layer 3 is made thin, it is not necessary to lower the rated voltage. Therefore, even if the thickness of the dielectric ceramic layer 3 is as follows, the multilayer ceramic capacitor 1 can provide practically sufficient characteristics.
- a base metal such as nickel, nickel alloy, copper or copper alloy is used as a material for the internal electrodes 4 and 5. Can be used.
- the dielectric ceramic constituting the dielectric ceramic layer 3 has ReO (Re is Y, Sm, Eu ⁇ Tb, Dy ⁇ Ho, Er ⁇ Tm as subcomponents with respect to 100 moles of the main component. And in Yb It is preferable to further contain 0.50 mol or less of at least one selected from the group consisting of force. As a result, the absolute value of the rate of change with time of the capacitance of the multilayer ceramic capacitor 1 at room temperature can be further reduced. If ReO is contained in an amount exceeding 0.50 mol, dielectric ceramics
- a dielectric ceramic raw material powder constituting the dielectric ceramic layer 3 is prepared.
- This raw material powder is preferably prepared as follows.
- a main component having the composition 1-w-x-m w x m k 1-y-z-n y z n 3 + a is synthesized.
- k, w, x, y, z, m and n are 0.99 ⁇ k ⁇ l.010,
- a compound containing each of the elements contained in the main component for example, BaCO, CaCO, SrCO, TiO, ZrO, HfO, GdO, and MgCO powders are used.
- MnCO 3, SiO 2 and CuO powders as additive components are prepared.
- This mixed powder is used as a raw material powder for the dielectric ceramic.
- 2 3 may be further mixed with 0.50 mol or less of at least one selected from Y, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb.
- metal oxides such as 2 2 and other oxides such as Al 2 O, Na 0, K ⁇ etc.
- a conductive paste film to be the internal electrode 4 or 5 is formed on the specific ceramic green sheet by, for example, screen printing.
- This conductive paste film contains a base metal such as nickel, nickel alloy, copper or copper alloy as a conductive component.
- the internal electrodes 4 and 5 may be formed by a vapor deposition method, a plating method, or the like, in addition to a printing method such as a screen printing method.
- the raw laminate is fired in a reducing atmosphere.
- a sintered laminate 2 as shown in FIG. 1 is obtained.
- the sheet forms the dielectric ceramic layer 3 with dielectric ceramic force, and the conductive paste film forms the internal electrode 4 or 5.
- the dielectric ceramic composing the dielectric ceramic layer 3 described above has a general formula: 100 (Ba
- the rare earth element Gd is described at the A site of the perovskite, and Mg is described at the B site of the perovskite. This is because G d dissolves (ie substitutes) in the A site, and Mg dissolves (ie substitutes) in the B site! / Indicates to speak. In order to dissolve Gd and Mg in such a state, as described above, Gd
- O and MgCO are calcined in a mixed state with BaCO and TiO.
- Gd is mainly dissolved in the A site of the perovskite and Mg is mainly dissolved in the B site of the perovskite. It is preferable. As long as the object of the present invention is not impaired, a trace amount of Gd is present at the perovskite grain boundary or B site, and a trace amount of Mg is present at the perovskite grain boundary or A site. Also good.
- external electrodes 8 and 9 are formed on the end surfaces 6 and 7 of the laminate 2 so that they are electrically connected to the exposed edges of the internal electrodes 4 and 5, respectively. Formed by baking.
- the external electrodes 8 and 9 are usually formed by applying and baking a conductive paste on the outer surface of the fired laminate 2 as described above, and the raw laminate before firing. It is formed by coating on the outer surface of and baking at the same time as firing to obtain the laminate 2.
- the first electrodes 10 and 11 are formed on the external electrodes 8 and 9 by applying plating such as nickel or copper.
- the second plating layers 12 and 13 are formed on the first plating layers 10 and 11 by applying solder, tin, or the like.
- the multilayer ceramic capacitor 1 is completed.
- the starting raw material powder should have the molar ratio shown in each column of “k”, “w”, “x”, “y”, “z”, “m” and “n” in Table 1. And wet pulverized. After drying, the mixed powder is heated in the atmosphere at a temperature of 900 ° C or higher to obtain (Ba Ca Sr Gd)
- the powders are converted to MnO, SiO and CuO, respectively.
- the dielectric ceramic raw material powder according to each sample was obtained by blending and mixing so as to have the molar ratio shown in each column.
- each dielectric ceramic raw material powder shown in Table 1 is mixed with a polybutyl pentyl binder and an organic solvent such as ethanol, and wet-mixed with a ball mill, and then mixed with the ceramic.
- a slurry was prepared.
- the ceramic slurry was formed into a sheet shape by a gravure coater method to obtain a ceramic green sheet having a thickness of 2 ⁇ m.
- a conductive paste film to be an internal electrode was formed.
- the sintered laminate was obtained by firing for 2 hours at each temperature shown in the column of “calcination temperature” in Table 2.
- B O -SiO -BaO-based glass frit is formed on both end faces of the sintered laminate.
- a conductive paste containing silver and a conductive component was applied and baked at a temperature of 800 ° C in a nitrogen atmosphere to form an external electrode electrically connected to the internal electrode.
- the multilayer ceramic capacitor thus obtained has outer dimensions of 1.2 mm in width, 2. Omm in length, and 0.5 mm in thickness, and is a dielectric ceramic layer interposed between internal electrodes. The thickness of this was 1.5 m. The effective number of dielectric ceramic layers was 10, the counter electrode area or 1 Soa was 1. 3 X 10- 6 m 2.
- the "failure rate" is obtained by determining the ratio of samples in which a defect occurs when a multilayer ceramic capacitor related to the sample is short-circuited or opened. The following evaluation was performed on samples excluding defective products.
- the DC voltage is 16.8 at a temperature of 150 ° C.
- a high temperature load test was conducted to measure the change in insulation resistance with time so that VZ m would be reached, and when the insulation resistance value of each sample fell below 10 5 This is the average value of the time to failure.
- the rate of change in capacitance after standing for 240 hours at room temperature was determined based on the capacitance when left for 4 hours.
- the thickness of the dielectric ceramic layer is as thin as 2 / zm or less, an average failure time of 20 hours or more is obtained, and the rate of change in capacitance over time at room temperature is as follows: Many samples satisfy characteristics within 12%, and more—more than 10%, more favorable characteristics. Both F characteristics and Y5V characteristics are within specifications, and defect rate should be within 10% did it.
- the main component powder was synthesized with a ratio. Next, each powder of MnCO, SiO and CuO is blended with this main component powder at the molar ratio shown in Table 3 and shown in Table 3.
- a dielectric ceramic raw material powder according to the material was obtained.
- Samples 41 to 71 shown in Table 3 show the composition of the main component itself as well as the main component and MnO.
- composition ratio of SiO and CuO is the same as that of Sample 3 shown in Table 1 in Experimental Example 1.
- the relative dielectric constant was lowered as shown in Table 4. Therefore, if Re O is included, It can be seen that the content of is preferably 0.50 mol or less with respect to 100 mol of the main component.
- Sample 3 in Experimental Example 1 was used as a reference sample.
- the stage of obtaining dielectric ceramic raw material powder for each powder of GdO and MgCO, BaCO, CaCO, TiO and ZrO
- Table 5 shows the evaluation results for sample 3
- Table 6 shows the evaluation results for sample 3a.
- sample 3 had a longer average failure time than sample 3a.
- sample 3a the starting materials for Gd and Mg are added at the same time as the addition of Mn, Si, and Cu after the initial preparation.
- Table 6 the large variation in particle size causes a decrease in reliability, as shown in Table 7. This indicates that Gd and Mg are preferably mixed and calcined with Ba and Ti during the initial blending.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP05814135A EP1829842A4 (en) | 2004-12-24 | 2005-12-06 | DIELECTRIC CERAMIC AND CERAMIC MULTI-LAYER CAPACITOR |
JP2006548775A JP4548423B2 (ja) | 2004-12-24 | 2005-12-06 | 誘電体セラミックおよび積層セラミックコンデンサ |
TW094143543A TWI290913B (en) | 2004-12-24 | 2005-12-09 | Dielectric ceramic and multilayer ceramic capacitor |
US11/806,501 US7626803B2 (en) | 2004-12-24 | 2007-05-31 | Dielectric ceramic and multilayer ceramic capacitor |
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JP2004373168 | 2004-12-24 | ||
JP2004-373168 | 2004-12-24 |
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US11/806,501 Continuation US7626803B2 (en) | 2004-12-24 | 2007-05-31 | Dielectric ceramic and multilayer ceramic capacitor |
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JP5025570B2 (ja) * | 2008-04-24 | 2012-09-12 | 京セラ株式会社 | 積層セラミックコンデンサ |
JP5093351B2 (ja) * | 2008-07-29 | 2012-12-12 | 株式会社村田製作所 | 積層セラミックコンデンサ |
KR101015259B1 (ko) * | 2010-08-19 | 2011-02-16 | 주식회사 튜풀테크놀러지 | 전기 에너지 개선 장치 및 그 제조방법 |
JP2012248622A (ja) * | 2011-05-26 | 2012-12-13 | Taiyo Yuden Co Ltd | チップ状電子部品 |
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- 2005-12-06 CN CNB2005800424169A patent/CN100519474C/zh active Active
- 2005-12-06 WO PCT/JP2005/022346 patent/WO2006067958A1/ja active Application Filing
- 2005-12-06 KR KR1020077013344A patent/KR100859264B1/ko active IP Right Grant
- 2005-12-06 EP EP05814135A patent/EP1829842A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
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CN101076503A (zh) | 2007-11-21 |
TWI290913B (en) | 2007-12-11 |
KR20070070260A (ko) | 2007-07-03 |
JP4548423B2 (ja) | 2010-09-22 |
EP1829842A4 (en) | 2011-03-23 |
US20070236865A1 (en) | 2007-10-11 |
JPWO2006067958A1 (ja) | 2008-06-12 |
CN100519474C (zh) | 2009-07-29 |
TW200635874A (en) | 2006-10-16 |
EP1829842A1 (en) | 2007-09-05 |
US7626803B2 (en) | 2009-12-01 |
KR100859264B1 (ko) | 2008-09-18 |
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