Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Low-temperature co-fired ceramic material for filter as well as preparation method and application of low-temperature co-fired ceramic material

A low-temperature co-fired ceramic and filter technology, which is applied in the field of low-temperature co-fired ceramic material preparation, can solve the problems of high sintering temperature, inability to achieve low-cost, low-energy-consumption industrial applications, and achieves improved low-temperature sintering performance and obvious cost advantages. and integrated advantages, the effect of improving the quality factor

Active Publication Date: 2022-07-29
SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
View PDF21 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sintering temperature of this material system is relatively high (>1200°C), making it impossible to achieve low-cost, low-energy industrial applications

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-temperature co-fired ceramic material for filter as well as preparation method and application of low-temperature co-fired ceramic material
  • Low-temperature co-fired ceramic material for filter as well as preparation method and application of low-temperature co-fired ceramic material
  • Low-temperature co-fired ceramic material for filter as well as preparation method and application of low-temperature co-fired ceramic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The low-temperature co-fired ceramic material described in this embodiment, in terms of the total amount of its preparation raw materials, includes the following components in mass content:

[0061] BaTi 4 O 9 60wt%;

[0062] MgTiO 3 20wt%;

[0063] Low melting point glass powder 20wt%;

[0064] Wherein, the low melting point glass powder includes the following components by weight:

[0065]

[0066] The preparation method of the low-temperature co-fired ceramic material described in this embodiment includes the following steps:

[0067] According to the selected mass content ratio, take the ZnO, SiO 2 , BaCO 3 , B 2 O 3 , Li 2 O, Al 2 O 3 Mix evenly, and carry out melting treatment at 1300 °C. After the molten glass is cooled, it is pulverized by a roller mill. After pulverization, it is ground with a dry ball mill and a jet mill. The particle size after grinding is required to be less than 2 μm. Need low melting point glass powder, spare;

[0068] T...

Embodiment 2

[0070] The low-temperature co-fired ceramic material described in this embodiment, in terms of the total amount of its preparation raw materials, includes the following components in mass content:

[0071] BaTi 4 O 9 65wt%;

[0072] MgTiO 3 15wt%;

[0073] Low melting point glass powder 20wt%;

[0074] Wherein, the low melting point glass powder includes the following components by weight:

[0075]

[0076] The preparation method of the low-temperature co-fired ceramic material described in this embodiment includes the following steps:

[0077] According to the selected mass content ratio, take the ZnO, SiO 2 , BaCO 3 , B 2 O 3 , Li 2 O, Al 2 O 3 Mix evenly, and carry out melting treatment at 1300 °C. After the molten glass is cooled, it is pulverized by a roller mill. After pulverization, it is ground with a dry ball mill and a jet mill. The particle size after grinding is required to be less than 2 μm. Need low melting point glass powder, spare;

[0078] T...

Embodiment 3

[0080] The low-temperature co-fired ceramic material described in this embodiment, in terms of the total amount of its preparation raw materials, includes the following components in mass content:

[0081] BaTi 4 O 9 65wt%;

[0082] MgTiO 3 10wt%;

[0083] Low melting point glass powder 25wt%;

[0084] Wherein, the low melting point glass powder includes the following components by weight:

[0085]

[0086] The preparation method of the low-temperature co-fired ceramic material described in this embodiment includes the following steps:

[0087] According to the selected mass content ratio, take the ZnO, SiO 2 , BaCO 3 , B 2 O 3 , Li 2 O, Al 2 O 3 Mix evenly, and carry out melting treatment at 1300 °C. After the molten glass is cooled, it is pulverized by a roller mill. After pulverization, it is ground with a dry ball mill and a jet mill. The particle size after grinding is required to be less than 2 μm. Need low melting point glass powder, spare;

[0088] T...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
sintering temperatureaaaaaaaaaa
resonant frequency temperature coefficientaaaaaaaaaa
resonant frequency temperature coefficientaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the technical field of low-temperature co-fired ceramic materials, particularly relates to a ceramic material with high ceramic forming compactness, medium dielectric constant, low dielectric loss and near-zero resonant frequency coefficient, and further discloses a preparation method of the low-temperature co-fired ceramic material. According to the low-temperature co-fired ceramic material disclosed by the invention, BaTi4O9, MgTiO3 and low-melting-point glass are taken as raw materials, and after the raw materials are subjected to composite sintering, the stability of the low-temperature co-fired ceramic material along with temperature change becomes good, the quality factor of the material is relatively high, the dielectric constant is 19-25, and the use requirements of sub6GHz microwave devices are met; and the sintering temperature of the material is reduced from 1250 DEG C to 850-900 DEG C, so that the low-temperature sintering performance of the material is greatly improved, and industrial production is facilitated.

Description

technical field [0001] The invention belongs to the technical field of low-temperature co-fired ceramic materials, in particular to a ceramic material with high ceramic compactness, medium dielectric constant, low dielectric loss and near-zero resonance frequency coefficient, which can be used for preparing dielectric filters in the field of electronic communications , dielectric antenna and other components, and further discloses the preparation method of the low-temperature co-fired ceramic material. Background technique [0002] In recent years, with the rapid development of emerging communication technologies such as 5G, the number of 5G base stations has greatly increased, and the demand for filters as the core components of the radio frequency front-end of base stations has skyrocketed. At present, there are three main types of common filters, including metal coaxial cavity filters, ceramic dielectric resonant filters, and ceramic dielectric filters. Among them, ceram...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/468C04B35/622C04B35/63
CPCC04B35/468C04B35/622C04B35/6303C04B2235/3236C04B2235/3203C04B2235/3284C04B2235/3409C04B2235/3418C04B2235/3217C04B2235/5427C04B2235/77
Inventor 宋锡滨刘振锋艾辽东奚洪亮张忠楠闫鑫升
Owner SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com