Ceramic material, sintered ceramics and component made therefrom, production method, and use of the ceramics

A ceramic material, sintered ceramic technology, applied in electrical components, parts of fixed capacitors, thin material processing, etc., can solve problems such as unfavorable integration of inductors

Inactive Publication Date: 2013-06-19
快速追踪有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, too high a dielectric constant is not good for the integration of inductors, so the choice of the dielectric constant of the ceramic must be optimized

Method used

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  • Ceramic material, sintered ceramics and component made therefrom, production method, and use of the ceramics
  • Ceramic material, sintered ceramics and component made therefrom, production method, and use of the ceramics
  • Ceramic material, sintered ceramics and component made therefrom, production method, and use of the ceramics

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Embodiment Construction

[0035] figure 1 represents the ZnO-BiO 1，5 -NbO 2，5 Part of a three-phase diagram. In the phase diagram, a quadrangle is formed by four points A to D, and in the quadrangle, each point in the plane enclosed by these points represents a composition of a ceramic according to the invention with favorable properties Element. The coordinates of the different points A, B, C and D expressed in mole percent are as follows:

[0036] A: Zn=4.0; NbO 2，5 = 30.0; BiO 1，5 =66.0

[0037] B: Zn=7.8; Nb=25.0; Bi=67.2

[0038] C: Zn=16.0; Nb=30.0; Bi=54.0

[0039] D: Zn=15.0; Nb=35.0; Bi=50.0

[0040] In addition, three components are marked with X and lie on a line in the phase diagram. The two outer points consist of the two pure phases A or B. Points in the middle of the line correspond to a 1:1 composition of the two pure phases. This embodiment has near-optimal performance, which makes sintered ceramics well suited for use in electrical components in which a capacitor and / or an...

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Abstract

A ceramic mixed system is proposed that includes a two-phase mixture of pure components A and B, wherein phase A is based on the cubic to tetragonal modification of Bi3NbO7 and phase B is based on a monoclinic pyrochlore modification of Bi2(Zn2 / 3Nb4 / 3)O7. The electrical properties of ceramics produced therefrom make the material suitable for components having a multilayer structure in which capacitors and inductors are integrated and which can be used in data processing or signal processing.

Description

technical field [0001] The LTCC (Low Temperature Co-Fired Ceramic) process can be used to realize ceramic multilayer components with multiple metallized planes, in which multiple passive components such as printed leads, resistors, capacitors and inductors can be integrated. Circuits and components incorporating these circuits can thus be realized in LTCC ceramic substrates. Background technique [0002] The stronger the integration of capacitors can be achieved by the LTCC process, the higher the dielectric constant of the applied ceramic material. On the other hand, too high dielectric constant is unfavorable for the integration of the inductor, so the choice of the dielectric constant of the relevant ceramic must be optimized. A further requirement for the ceramic material is a sufficiently low sintering temperature so that inexpensive electrode materials, for example made of silver, can be used. In addition, the ceramic material should have a low temperature history of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/495H01G4/12H01G4/30H01C7/18
CPCC04B2235/3281C04B2235/3206H01G4/30C04B2235/3293C04B2235/3215C04B2235/3232C04B2235/765C04B2235/76C04B2235/80C04B2235/3213H01G4/40C04B2235/3294C04B35/495C04B2235/3279C04B2235/762C04B2235/3262C04B2235/3224C04B2235/3272C04B2235/3298C04B2235/3284C04B2235/32H01G4/1263C04B2235/3208C04B2235/3251C04B2235/3227C04B2235/786H01G4/1254C04B2235/656H05K1/0306C04B2235/3258C04B2235/3241H01G4/35C04B2235/3255C04B2235/3256C04B2235/3225C04B35/497C04B2235/3244C04B2235/3275Y10T428/252Y10T428/24926H01C7/18H01G4/12
Inventor P·杜德塞克C·霍夫曼恩M·瓦兰特D·苏沃罗夫
Owner 快速追踪有限公司
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