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Ceramic material and ceramic material and ferrite material low-temperature lamination cofiring method

A technology of ferrite materials and ceramic materials, applied in the direction of ceramic layered products, chemical instruments and methods, layered products, etc., can solve problems that hinder the development of co-firing of dissimilar materials, layered products, warping, etc. Achieve the effect of being suitable for large-scale batch production, high production stability and low cost

Inactive Publication Date: 2013-01-09
SHENZHEN GUDIAN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when dissimilar materials are co-fired, the sintering mismatch often leads to many defects such as delamination, cracking and warping of the fired laminated products, which has become a bottleneck hindering the development of dissimilar materials co-firing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Step 1: Preparation of ceramic material and ferrite material

[0033] The preparation of ceramic material comprises the following steps:

[0034] a1: According to the molecular formula of barium zinc titanate Ba x Zn y Ti z o x+y+2z , where x=1, y=2, z=4 ingredients, mixing, drying, passing through a 20-mesh sieve, and calcining at 900°C for 5 hours to obtain the barium zinc titanate calcined body;

[0035] a2: Dosing and mixing according to the molecular formula of flux a, passing through a 20-mesh sieve after drying, and calcining at 600°C for 5 hours to obtain the pre-calcined body of flux a;

[0036] a3: Prepare the pre-sintered barium zinc titanate body in step (a1) and the flux a pre-sintered body in step (a2) at a weight ratio of 95:5, mix the mixture and grind it finely, and pass through a 20-mesh sieve after drying. Ceramic material;

[0037] The preparation of ferrite comprises the following steps;

[0038] b1: According to the molecular formula of fer...

Embodiment 2

[0044] Step 1: Preparation of ceramic material and ferrite material

[0045] The preparation of ceramic material comprises the following steps:

[0046] a1: According to the molecular formula of barium zinc titanate Ba x Zn y Ti z o x+y+2z , where x=1, y=2, z=4 ingredients, mixing, drying, passing through a 20-mesh sieve, and calcining at 960°C for 3 hours to obtain the barium zinc titanate calcined body;

[0047] a2: Dosing and mixing according to the molecular formula of flux a, passing through a 20-mesh sieve after drying, and calcining at 700°C for 3 hours to obtain the pre-calcined body of flux a;

[0048] a3: Prepare the pre-sintered barium zinc titanate body in step (a1) and the flux a pre-sintered body in step (a2) at a weight ratio of 92:8, mix the mixture and grind it finely, and pass through a 20-mesh sieve after drying. Ceramic material;

[0049] The preparation of ferrite comprises the following steps;

[0050] b1: According to the molecular formula of fer...

Embodiment 3

[0056] Step 1: Preparation of ceramic material and ferrite material

[0057] The preparation of ceramic material comprises the following steps:

[0058] a1: According to the molecular formula of barium zinc titanate Ba x Zn y Ti z o x+y+2z , where x=1, y=2, z=4 ingredients, mixing, drying, passing through a 20-mesh sieve, and calcining at 1030°C for 1 hr to obtain the barium zinc titanate calcined body;

[0059] a2: Dosing and mixing according to the molecular formula of flux a, passing through a 20-mesh sieve after drying, and calcining at 700°C for 1 hour to obtain the pre-calcined body of flux a;

[0060] a3: Prepare the barium zinc titanate pre-sintered body in step (a1) and the flux a pre-sintered body in step (a2) according to the weight ratio of 88:12, mix the materials and grind them finely, and pass through a 20-mesh sieve after drying to obtain the product Ceramic material;

[0061] The preparation of ferrite comprises the following steps;

[0062] b1: Accord...

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Abstract

The invention discloses a ceramic material and a ceramic material and ferrite material low-temperature lamination cofiring method. The ceramic material consists of 85 to 95 parts by weight of main component zinc titanate barium and 5 to 15 parts by weight of fluxing agent a, and the ferrite material is formed by placing 0.5 to 5 parts by weight of fluxing agent a into nickel zinc copper ferrite with mol ratio of copper oxide (CuO) of 3 to 10 percent. The ceramic material and the method have following effects that (1) the fluxing agent a plays a role in riveting, when the ceramic and the ferrite are sintered, the ceramic and the ferrite can be mutually bonded; (2) the zinc oxide plays a role of a bridge in cofiring, so that the cohesion between the ceramic material and the ferrite material is increased, and the layering or fracturing of the sintering process can be prevented; and (3) the low-temperature co-firing ceramic (LTCC) process is adopted, so that the production stability is high, the efficiency is high, the cost is low, and mass production can be realized.

Description

technical field [0001] The invention relates to the technical field of lamination co-firing, in particular to a low-temperature lamination co-firing method of a ceramic material and a ferrite material. Background technique [0002] In recent years, with the rapid development of integrated circuits and various components, electronic components have changed in the direction of miniaturization, compounding, light weight, and high reliability. In the manufacturing process of composite multifunctional chip components, co-firing between dissimilar materials is the key technology. In the multi-layer structure, the ceramic material and the ferrite material have lower sintering temperatures, and both can respectively achieve good co-firing with the built-in electrode layer at a temperature lower than that of the metal conductor. However, when dissimilar materials are co-fired, the sintering mismatch often leads to many defects such as delamination, cracking and warping of the fired ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/64B32B18/00C04B35/462C04B35/26
Inventor 梁晓斌
Owner SHENZHEN GUDIAN ELECTRONICS
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