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A kind of multi-phase low-temperature co-fired ceramic material and preparation method thereof

A technology of low-temperature co-fired ceramics and multiphase ceramics, which is applied in the field of electronic materials, can solve the problems of difficult to achieve mass application, difficult to control formulation stability and glass properties, and achieve the effects of easy control, lower sintering temperature, and simple preparation process.

Active Publication Date: 2022-05-24
JIAXING GLEAD ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

LMZBS glass-ceramics has good high-frequency dielectric properties, but in the glass preparation process, due to the volatilization of components at high temperature, it is difficult to control the stability of the formula and the performance of the final glass, so it is difficult to achieve mass application

Method used

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  • A kind of multi-phase low-temperature co-fired ceramic material and preparation method thereof
  • A kind of multi-phase low-temperature co-fired ceramic material and preparation method thereof
  • A kind of multi-phase low-temperature co-fired ceramic material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0030] Embodiment 1-3 is the preparation of multiphase ceramic A

[0031] (1) according to the raw material ratio in table 1, take by weighing Li 2 CO 3 , MgO, ZnO, H 3 BO 3 , SiO 2 Raw material powder, according to the mass ratio of powder, zirconia balls, and absolute ethanol is 1:5:2, put into a nylon tank, use anhydrous ethanol as a solvent, mix it with a roller mill for 12 hours, take it out and dry it at 80 °C 12h, pass through a 60-mesh sieve, then put into a crucible and calcined in an atmosphere of 800°C for 2 hours to synthesize composite ceramic material A.

[0032] Table 1

[0033] Numbering material code Li 2 CO 3 (%)

Embodiment 4-9

[0035] (2) Preparation of modified ceramic material B:

Embodiment 4

[0037] Mg 2 SiO 4 Preparation: Weigh the raw materials MgO and SiO according to the stoichiometric ratio of 2:1 2 Mixing, according to the mass ratio of powder, zirconia balls and anhydrous ethanol to 1:5:2, add it into a nylon tank, use anhydrous ethanol as a solvent, mix the ball and mill for 12h, take it out and dry it at 80°C for 12h, over 60 mesh sieve, then loaded into an alumina crucible, pre-fired at 1300 ℃ for 3 hours in the atmosphere to synthesize Mg 2 SiO 4 ceramic powder;

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Abstract

The invention relates to a composite low-temperature co-fired ceramic material and a preparation method thereof. The material is formed by mixing a composite ceramic material A with a mass percentage of 60%-90% and a modified ceramic material B with a mass percentage of 10%-40%. And the mass percentage sum of A and B is 100%; wherein the composite ceramic material A is made of Li 2 (Mg, Zn) SiO 4 , Mg 2 B 2 o 5 , Mg 3 B 2 o 6 Phase composition, modified ceramic material B is Mg 2 SiO 4 , Zn 2 SiO 4 , CaTiO3, Al2O3, SiO2, TiO2, one or more, the composite ceramic material A is prepared by solid phase synthesis. The ceramic material obtained in the present invention can be sintered at a relatively low temperature (sintering temperature ≤ 900°C), meets the requirements of co-firing with low-cost silver Ag electrodes, and has better microwave dielectric properties, and can be used for high-frequency, high-performance filtering Manufacture of products such as devices or multilayer ceramic substrates.

Description

technical field [0001] The invention relates to the field of electronic materials, in particular to a composite low-temperature co-fired ceramic material and a preparation method thereof. Background technique [0002] With the rapid development of communication technology, electronic components in equipment have higher and higher requirements for high-frequency performance and miniaturization. As the communication frequency becomes higher, conductor loss and dielectric loss of wiring in electronic components increase. With the advancement of manufacturing technology, miniaturized electronic devices can save more space in communication equipment, so high frequency, miniaturization and integration have become the current development trends of electronic components and components. Low temperature co-fired ceramic technology (ie LTCC technology) is an integrated technology based on the co-firing of ceramics and conductor metals such as low melting point Ag, Cu and Au to realize...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/01C04B35/64
CPCC04B35/01C04B35/64C04B2235/3409C04B2235/3206C04B2235/3203C04B2235/3284C04B2235/3418C04B2235/3208C04B2235/3232C04B2235/3217C04B2235/5436
Inventor 童建喜袁烨李进张彩霞石珊
Owner JIAXING GLEAD ELECTRONICS CO LTD
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