KR20010090764A - 비환원성 유전체 세라믹 및 이를 이용한 모놀리식 세라믹커패시터와 비환원성 유전체 세라믹의 제조방법 - Google Patents
비환원성 유전체 세라믹 및 이를 이용한 모놀리식 세라믹커패시터와 비환원성 유전체 세라믹의 제조방법 Download PDFInfo
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- KR20010090764A KR20010090764A KR1020010018465A KR20010018465A KR20010090764A KR 20010090764 A KR20010090764 A KR 20010090764A KR 1020010018465 A KR1020010018465 A KR 1020010018465A KR 20010018465 A KR20010018465 A KR 20010018465A KR 20010090764 A KR20010090764 A KR 20010090764A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 105
- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims description 8
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 21
- 239000012298 atmosphere Substances 0.000 claims abstract description 12
- 230000007935 neutral effect Effects 0.000 claims abstract description 7
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 83
- 239000013078 crystal Substances 0.000 claims description 46
- 239000002994 raw material Substances 0.000 claims description 37
- 239000010936 titanium Substances 0.000 claims description 26
- 238000005245 sintering Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910001325 element alloy Inorganic materials 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 9
- 239000012071 phase Substances 0.000 description 76
- 239000010410 layer Substances 0.000 description 19
- 239000011575 calcium Substances 0.000 description 15
- 238000010304 firing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910010413 TiO 2 Inorganic materials 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910002367 SrTiO Inorganic materials 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000003746 solid phase reaction Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910018068 Li 2 O Inorganic materials 0.000 description 2
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002003 electrode paste Substances 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical group O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 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
- 238000007747 plating Methods 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
-
- 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
-
- 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
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
-
- 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
- H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
- H01G4/1245—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates containing also titanates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Ceramic Capacitors (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
시료번호 | 하소된 주원료 분말(Ca1-v-wSrvBaw)k(Zr1-x-yTixHfy)O3의 조성 | 미하소된사이트-B성분의 입경 | 미하소된사이트-B성분의 소결온도 | 조합이 끝난원료성분 | |||||
v | w | x | y | k | (㎛) | (℃) | p | 소결보조제 | |
1 | 0.01 | 0 | 0.01 | 0.01 | 0.985 | 0.10 | 1150 | 0.990 | A |
2 | 0.01 | 0 | 0.01 | 0.01 | 0.995 | 0.07 | 1150 | 1.000 | A |
3 | 0.01 | 0 | 0.01 | 0.01 | 0.990 | 0.10 | 1150 | 0.995 | A |
4 | 0.01 | 0 | 0.01 | 0.01 | 0.990 | 0.10 | 1150 | 0.995 | B |
5 | 0.01 | 0 | 0.01 | 0.01 | 0.975 | 0.15 | 1150 | 1.000 | A |
6 | 0.01 | 0 | 0.01 | 0.01 | 0.990 | 0.12 | 900 | 1.000 | A |
7 | 0.01 | 0 | 0.01 | 0.01 | 0.930 | 0.35 | 1150 | 0.980 | A |
8 | 0.01 | 0 | 0.01 | 0.01 | 1.020 | 0.20 | 1100 | 1.020 | A |
9 | 0.01 | 0 | 0.01 | 0.01 | 0.950 | 0.10 | 1150 | 0.940 | A |
10 | 0.01 | 0 | 0.01 | 0.01 | 0.990 | 0.10 | 1150 | 1.040 | A |
11 | 0.05 | 0.08 | 0.05 | 0.02 | 0.990 | 0.15 | 1100 | 1.000 | A |
12 | 0.05 | 0.08 | 0.05 | 0.02 | 0.990 | 0.14 | 1100 | 1.000 | B |
13 | 0.05 | 0.08 | 0.05 | 0.02 | 0.995 | 0.10 | 1100 | 1.010 | A |
14 | 0.05 | 0.08 | 0.05 | 0.02 | 0.940 | 0.40 | 1100 | 0.995 | A |
15 | 0.04 | 0.33 | 0.04 | 0.01 | 0.980 | 0.20 | 1100 | 0.995 | B |
16 | 0.04 | 0.33 | 0.04 | 0.01 | 0.980 | 0.20 | 1100 | 0.995 | A |
17 | 0.04 | 0.33 | 0.04 | 0.01 | 0.985 | 0.10 | 1150 | 1.000 | A |
18 | 0.04 | 0.33 | 0.04 | 0.01 | 0.985 | 0.08 | 900 | 0.995 | A |
19 | 0 | 0.01 | 0.40 | 0.01 | 0.970 | 0.30 | 1200 | 0.990 | A |
20 | 0 | 0.01 | 0.40 | 0.01 | 0.980 | 0.15 | 1150 | 0.990 | A |
21 | 0 | 0.01 | 0.40 | 0.01 | 0.980 | 0.15 | 1150 | 0.990 | B |
22 | 0 | 0.01 | 0.40 | 0.01 | 0.980 | 0.15 | 1150 | 0.995 | A |
23 | 0 | 0.01 | 0.40 | 0.01 | 0.950 | 0.35 | 1150 | 0.950 | A |
24 | 0.15 | 0.01 | 0.02 | 0.01 | 0.998 | 0.15 | 1150 | 1.000 | A |
25 | 0.15 | 0 | 0.29 | 0.01 | 0.975 | 0.25 | 1100 | 0.980 | A |
26 | 0.15 | 0 | 0.29 | 0.01 | 0.990 | 0.10 | 1050 | 0.995 | A |
27 | 0.15 | 0 | 0.29 | 0.01 | 0.975 | 0.15 | 1050 | 1.000 | A |
28 | 0.15 | 0 | 0.29 | 0.01 | 0.975 | 0.15 | 1050 | 1.000 | B |
29 | 0.15 | 0 | 0.29 | 0.01 | 0.975 | 0.15 | 1100 | 0.940 | A |
30 | 0 | 0 | 0.27 | 0.01 | 1.000 | 0.25 | 1150 | 1.030 | A |
31 | 0 | 0 | 0.27 | 0.01 | 0.990 | 0.09 | 1150 | 1.000 | A |
32 | 0 | 0 | 0.27 | 0.01 | 0.990 | 0.12 | 1100 | 0.995 | A |
33 | 0 | 0 | 0.27 | 0.01 | 0.970 | 0.40 | 1100 | 0.990 | A |
34 | 0.20 | 0 | 0.20 | 0.01 | - | - | - | 0.995 | A |
시료번호 | 소성 온도(℃) | 부결정상의 강도비(%) | 유전손실(%) | 비유전율 | CR곱(Ω·F) | TC(ppm/℃) | MTTF(시간) | m값 | 처음불합격한시료의 시간 |
1 | 1250 | <1.0 | 0.01 | 30 | 125000 | +4 | 550 | 3.5 | 460 |
2 | 1300 | 1.0 | 0.01 | 31 | 64000 | +28 | 540 | 2.5 | 310 |
3 | 1250 | <1.0 | 0.01 | 30 | 420000 | +5 | 460 | 3.2 | 285 |
4 | 1280 | 1.0 | 0.01 | 31 | 445000 | +8 | 510 | 3.7 | 370 |
5 | 1300 | 1.5 | 0.01 | 31 | 345000 | +10 | 480 | 4.1 | 420 |
6 | 1300 | 12.5 | 0.11 | 31 | 214000 | -1 | 655 | 0.5 | 90 |
7 | 1300 | 13.0 | 0.01 | 31 | 250000 | +2 | 160 | 0.8 | 10 |
8 | 1350 | 13.5 | 0.15 | 28 | 70000 | +24 | 780 | 0.4 | 20 |
9 | 1250 | 16.0 | 0.02 | 30 | 59000 | -15 | 90 | 2.1 | 5 |
10 | 1350 | 미소결 | |||||||
11 | 1200 | 1.5 | 0.02 | 40 | 28000 | -180 | 420 | 3.3 | 300 |
12 | 1250 | 2.0 | 0.03 | 41 | 28000 | -175 | 475 | 3.4 | 375 |
13 | 1250 | 3.5 | 0.02 | 41 | 12000 | -160 | 305 | 2.1 | 140 |
14 | 1200 | 12.5 | 0.03 | 39 | 8000 | -175 | 330 | 0.6 | 5 |
15 | 1290 | 3.5 | 0.03 | 34 | 14000 | -395 | 410 | 3.8 | 310 |
16 | 1250 | 4.0 | 0.04 | 34 | 11000 | -400 | 375 | 4.1 | 315 |
17 | 1250 | 6.5 | 0.02 | 33 | 10000 | -385 | 310 | 2.2 | 165 |
18 | 1300 | 13.0 | 0.25 | 33 | 4500 | -360 | 410 | 0.4 | 10 |
19 | 1280 | 1.5 | 0.02 | 87 | 392000 | -980 | 345 | 3.2 | 245 |
20 | 1280 | 2.5 | 0.02 | 85 | 350000 | -985 | 380 | 3.5 | 300 |
21 | 1300 | 2.0 | 0.01 | 86 | 450000 | -1000 | 420 | 3.7 | 350 |
22 | 1300 | <1.0 | 0.01 | 82 | 70000 | -950 | 320 | 2.8 | 225 |
23 | 1300 | 16.0 | 0.20 | 81 | 51000 | -950 | 20 | 1.8 | 1 |
24 | 1280 | 7.1 | 0.01 | 34 | 680000 | -11 | 520 | 3.8 | 380 |
25 | 1260 | 6.0 | 0.02 | 69 | 200000 | -740 | 300 | 1.7 | 120 |
26 | 1260 | 2.0 | 0.02 | 70 | 250000 | -740 | 350 | 2.8 | 235 |
27 | 1280 | 1.5 | 0.02 | 70 | 180000 | -755 | 410 | 2.6 | 230 |
28 | 1290 | 1.0 | 0.01 | 69 | 285000 | -765 | 455 | 3.3 | 355 |
29 | 1300 | 14.5 | 0.03 | 73 | 90000 | -760 | 35 | 2.3 | 3 |
30 | 1350 | 미소결 | |||||||
31 | 1300 | 1.5 | 0.02 | 46 | 81000 | -700 | 415 | 3.8 | 325 |
32 | 1300 | 1.0 | 0.02 | 46 | 78000 | -690 | 365 | 3.2 | 280 |
33 | 1250 | 2.5 | 0.02 | 47 | 102000 | -720 | 330 | 2.9 | 200 |
34 | 1250 | 30.0 | 0.01 | 56 | 26000 | -620 | 35 | 1.8 | 1 |
시료번호 | 하소된 주원료 분말(Ca1-v-wSrvBaw)k(Zr1-x-yTixHfy)O3의 조성 | 미하소된사이트-B성분의 입경 | 미하소된사이트-B성분의 소결온도 | 조합이 끝난원료성분 | |||||
v | w | x | y | k | (㎛) | (℃) | p | 소결보조제 | |
41 | 0.02 | 0 | 0.02 | 0.01 | 0.985 | 0.10 | 1150 | 0.990 | C |
42 | 0.02 | 0 | 0.02 | 0.01 | 0.995 | 0.07 | 1150 | 1.000 | C |
43 | 0.02 | 0 | 0.02 | 0.01 | 0.990 | 0.10 | 1150 | 0.995 | C |
*44 | 0.02 | 0 | 0.02 | 0.01 | 0.990 | 0.10 | 1250 | 1.000 | C |
*45 | 0.02 | 0 | 0.02 | 0.01 | 0.930 | 0.35 | 1150 | 1.000 | C |
*46 | 0.02 | 0 | 0.02 | 0.01 | 0.990 | 0.10 | 1100 | 1.040 | C |
47 | 0.05 | 0.08 | 0.05 | 0.02 | 0.990 | 0.15 | 1150 | 1.000 | C |
48 | 0.05 | 0.08 | 0.05 | 0.02 | 0.980 | 0.14 | 1150 | 1.005 | C |
*49 | 0.05 | 0.08 | 0.05 | 0.02 | 0.940 | 0.40 | 1150 | 0.985 | C |
*50 | 0 | 0.01 | 0.40 | 0.01 | 0.980 | 0.11 | 900 | 0.990 | C |
51 | 0 | 0.01 | 0.40 | 0.01 | 0.980 | 0.15 | 1150 | 0.990 | C |
52 | 0 | 0.01 | 0.40 | 0.01 | 0.995 | 0.09 | 1150 | 0.995 | C |
*53 | 0 | 0.01 | 0.40 | 0.01 | 0.970 | 0.15 | 1150 | 0.970 | C |
*54 | 0.06 | 0.09 | 0.06 | 0.02 | - | - | - | 0.995 | C |
시료번호 | 소성온도(℃) | 부결정상의 강도비(%) | 유전손실(%) | 비유전율 | CR곱(Ω·F) | TC(ppm/℃) | MTTF(시간) | m값 | 처음불합격한시료의 시간 |
41 | 950 | 9.5 | 0.01 | 29 | 62000 | +4 | 410 | 3.5 | 285 |
42 | 980 | 10.5 | 0.02 | 29 | 40000 | +28 | 345 | 2.5 | 140 |
43 | 950 | 11.0 | 0.01 | 28 | 55000 | +5 | 360 | 3.2 | 205 |
*44 | 980 | 12.5 | 0.01 | 27 | 35000 | +10 | 480 | 0.9 | 30 |
*45 | 970 | 14.0 | 0.01 | 29 | 16000 | -1 | 360 | 0.8 | 15 |
*46 | 1020 | 미소결 | |||||||
47 | 1000 | 6.0 | 0.01 | 38 | 21000 | -180 | 390 | 2.7 | 235 |
48 | 1000 | 8.5 | 0.01 | 37 | 12000 | -160 | 310 | 2.1 | 125 |
*49 | 1000 | 15.0 | 0.03 | 39 | 6000 | -175 | 75 | 2.4 | 15 |
*50 | 1000 | 13.0 | 0.05 | 78 | 5000 | -990 | 240 | 0.9 | 15 |
51 | 1000 | 4.0 | 0.02 | 81 | 25000 | -985 | 380 | 3.8 | 330 |
52 | 1000 | 3.5 | 0.03 | 80 | 12000 | -995 | 305 | 2.2 | 185 |
*53 | 1000 | 18.0 | 0.20 | 82 | 1500 | -980 | 30 | 1.5 | 5 |
*54 | 1000 | 29.0 | 0.02 | 40 | 35000 | -180 | 220 | 0.4 | 2 |
Claims (9)
- 금속 원소로써 Ca, Zr 및 Ti를 포함하고, Pb를 포함하지 않는 비환원성 유전체 세라믹으로,CuKα선을 사용한 X-선 회절 패턴에 있어서, 2θ=25∼35도에서 나타나는 페로브스카이트 주결정상의 최대 피크 강도에 대한 부결정상의 최대 피크 강도의 비율은 12% 이하이고, 상기 부결정상은 상기 페로브스카이트 주결정상 이외의 모든 결정상을 포함하는 것을 특징으로 하는 비환원성 유전체 세라믹.
- 복수의 유전체 세라믹층;상기 유전체 세라믹층 사이에 형성된 내부 전극; 및상기 내부 전극과 전기적으로 접속된 외부 전극; 을 포함하는 모놀리식 세라믹 커패시터로,상기 유전체 세라믹층은 제 1항에 따른 비환원성 유전체 세라믹을 포함하고, 상기 내부 전극은 비금속을 포함하는 것을 특징으로 하는 모놀리식 세라믹 커패시터.
- 제 2항에 있어서, 상기 비금속은 니켈 원소, 니켈 합금, 구리 원소, 및 구리 합금으로 구성된 그룹에서 선택된 적어도 하나인 것을 특징으로 하는 모놀리식 세라믹 커패시터.
- 금속 원소로써 Ca, Zr 및 Ti를 포함하고, Pb를 포함하지 않는 비환원성 유전체 세라믹의 제조방법으로, CuKα선을 사용한 X-선 회절 패턴에서, 2θ=25∼35도에서 나타나는 페로브스카이트 주결정상의 최대 피크 강도에 대한 부결정상의 최대 피크 강도의 비율은 12% 이하이고, 상기 부결정상은 상기 페로브스카이트 주결정상 이외의 모든 결정상을 포함하는 비환원성 유전체 세라믹의 제조방법은(A) 일반식 ABO3로 나타내는 유전체 세라믹에 있어서, 미하소된 사이트-B 성분 분말을 하소하여 하소된 사이트-B 성분 분말을 제조하는 단계;(B) 사이트-A 성분 원료로부터 사이트-A 성분 분말을 제조하는 단계;(C) 사이트-B 성분 분말과 사이트-A 성분 분말을 혼합하여, 미하소된 주원료 분말을 제조하는 단계;(D) 미하소된 주원료 분말을 하소하여, 하소된 주원료 분말을 제조하는 단계;(E) 하소된 주원료 분말의 조성을 미세하게 조정하기 위하여 하소된 주원료 분말에 사이트-A 성분 분말 및 사이트-B 성분 분말 중 하나를 첨가하여, 부원료 분말을 제조하는 단계; 및(F) 중성 또는 환원성 분위기에서 부원료 분말을 성형하고, 소결하는 단계;를 포함하는 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
- 제 4항에 있어서, 상기 소결되기 전의 사이트-B성분 분말은 0.5㎛이하의 평균 입경을 갖는 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
- 제 4항에 있어서, 상기 미하소된 사이트-B성분 분말은 1050∼1200℃의 온도에서 1∼2시간 소결되는 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
- 제 4항에 있어서, 상기 하소된 주원료 분말은 0.8㎛ 이하의 평균 입경을 갖는 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
- 제 4항에 있어서, 상기 하소된 주원료 분말은 (Ca1-v-wSrvBaw)k(Zr1-x-yTixHfy)O3, 여기서 0.95≤k<1.00로 나타내는 조성을 갖는 세라믹 분말인 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
- 제 8항에 있어서, 상기 부원료 분말은 (Ca1-v-wSrvBaw)p(Zr1-x-yTixHfy)O3, 여기서 0.98≤p≤1.02로 나타내는 조성을 갖는 세라믹 분말인 것을 특징으로 하는 비환원성 유전체 세라믹의 제조방법.
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