JP6467648B2 - 誘電体組成物、誘電体素子、電子部品および積層電子部品 - Google Patents
誘電体組成物、誘電体素子、電子部品および積層電子部品 Download PDFInfo
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- JP6467648B2 JP6467648B2 JP2017532210A JP2017532210A JP6467648B2 JP 6467648 B2 JP6467648 B2 JP 6467648B2 JP 2017532210 A JP2017532210 A JP 2017532210A JP 2017532210 A JP2017532210 A JP 2017532210A JP 6467648 B2 JP6467648 B2 JP 6467648B2
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- 239000000203 mixture Substances 0.000 title claims description 78
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 16
- 239000003985 ceramic capacitor Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 14
- 239000000919 ceramic Substances 0.000 description 10
- 239000011734 sodium Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000001354 calcination Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 229910002367 SrTiO Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(iii) oxide Chemical compound O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 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
- 229910021523 barium zirconate Inorganic materials 0.000 description 1
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 229910003440 dysprosium oxide Inorganic materials 0.000 description 1
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 229910001940 europium oxide Inorganic materials 0.000 description 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 1
- 229940075613 gadolinium oxide Drugs 0.000 description 1
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JYTUFVYWTIKZGR-UHFFFAOYSA-N holmium oxide Inorganic materials [O][Ho]O[Ho][O] JYTUFVYWTIKZGR-UHFFFAOYSA-N 0.000 description 1
- OWCYYNSBGXMRQN-UHFFFAOYSA-N holmium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ho+3].[Ho+3] OWCYYNSBGXMRQN-UHFFFAOYSA-N 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910003451 terbium oxide Inorganic materials 0.000 description 1
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Description
い誘電損失を同時に有する誘電体組成物が望まれていた。
(BiaNabSrcBad)(αxTi1−x)O3で表される主成分を有する誘電体組成物であって、
αは、ZrおよびSnの中から選択される少なくとも1種であり、
a、b、c、dおよびxは、それぞれ、0.140≦a≦0.390、0.140≦b≦0.390、0.200≦c≦0.700、0.020≦d≦0.240、0.020≦x≦0.240および0.950≦a+b+c+d≦1.050を満たすことを特徴とする。
バイアス印加時において、800以上の比較的高い比誘電率および4%以下の低い誘電損失を有する誘電体組成物と、その誘電体組成物を用いた誘電体素子、電子部品および積層電子部品を提供することができる。
より、誘電体組成物において比誘電率の向上および誘電損失の低減を図ることができる。
は以下の実施例に限定されるものではない。
出発原料として、酸化ビスマス(Bi2O3)、炭酸ナトリウム(Na2CO3)、炭酸ストロンチウム(SrCO3)、炭酸バリウム(BaCO3)、酸化ジルコニウム(ZrO2)、酸化スズ(SnO2)、酸化チタン(TiO2)の粉末を準備した。
020≦x≦0.240および0.950≦a+b+c+d≦1.050を満たす実施例1〜17の誘電体組成物は8V/μmのDCバイアス印加時の比誘電率が800以上、かつ誘電損失が4%以下であり、好ましい範囲内であった。
2,3…電極
5…積層体
6A,6B…内部電極層
7…誘電体層
11A,11B…端子電極
100…セラミックコンデンサ
200…積層セラミックコンデンサ
Claims (5)
- (BiaNabSrcBad)(αxTi1−x)O3で表される主成分を有する誘電体組成物であって、
αは、ZrおよびSnの中から選択される少なくとも1種であり、
a、b、c、dおよびxは、それぞれ、0.140≦a≦0.390、0.140≦b≦0.390、0.200≦c≦0.700、0.020≦d≦0.240、0.020≦x≦0.240および0.950≦a+b+c+d≦1.050を満たすことを特徴とする誘電体組成物。 - a、b、c、dおよびxは、それぞれ、0.200≦a≦0.390、0.200≦b≦0.390、0.300≦c≦0.700、0.020≦d≦0.200、0.020≦x≦0.200および0.950≦a+b+c+d≦1.050を満たす請求項1に記載の誘電体組成物。
- 請求項1または2に記載の誘電体組成物を備える誘電体素子。
- 請求項1または2に記載の誘電体組成物からなる誘電体層を備える電子部品。
- 請求項1または2に記載の誘電体組成物からなる誘電体層と内部電極層とを交互に積層されてなる積層部分を有する積層電子部品。
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PCT/EP2015/070475 WO2016038022A1 (en) | 2014-09-09 | 2015-09-08 | Dielectric composition, dielectric element, electronic component and laminated electronic component |
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