Supercharge Your Innovation With Domain-Expert AI Agents!

Preparation method of magnesium aluminum silicon microcrystalline glass for LTCC packaging materials

A technology of glass-ceramics and encapsulation materials, which is applied in the field of new materials, can solve problems such as high sintering temperature and poor matching of thermal expansion coefficients, and achieve the effects of excellent performance, simple and reasonable preparation method, and wide application prospects

Active Publication Date: 2020-01-17
SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Chinese patent application No. 201410847989.X discloses a method for preparing magnesium-aluminum-silicon glass-ceramics, using TiO2, ZrO2, and P2O5 as nucleating agents for crystallization at 1050°C to 1200°C, and its flexural strength can reach 182MPa, but sintering The temperature is too high, and the thermal expansion coefficient does not match well with the LTCC packaging material

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
  • Preparation method of magnesium aluminum silicon microcrystalline glass for LTCC packaging materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Ingredients: prepare the raw materials of magnesium-aluminum-silicon glass-ceramics, weigh them, and mix the raw materials after weighing to obtain a mixture;

[0034] The raw material of the magnesium-aluminum-silicate glass-ceramic is composed of the following components in parts by mass: 33 parts of magnesium carbonate, 32 parts of aluminum oxide, 32 parts of silicic acid, and 3 parts of titanium dioxide;

[0035] (2) Primary ball milling: put deionized water, zirconium balls, and the mixture into a nylon tank for ball milling, and the ball milling time is 2 hours;

[0036] (3) Drying and sieving: After the ball milling is completed, dry the obtained mixed slurry at a drying temperature of 100° C. and a drying time of 2 hours to obtain a dry powder; take out the dry powder and pass through a 40-mesh sieve;

[0037] (4) Melting and water quenching: take the sieved dry powder and put it into a crucible at a temperature of 1500°C, melt for 1 hour, discharge gas, and...

Embodiment 2

[0045] (2) Ingredients: prepare the raw materials of magnesium-aluminum-silicon glass-ceramic, weigh them, and mix the raw materials after weighing to obtain a mixture;

[0046] The raw material of the magnesium-aluminum-silicate glass-ceramics consists of the following components in parts by mass: 35 parts of magnesium carbonate, 32 parts of aluminum oxide, 30 parts of silicic acid, and 3 parts of titanium dioxide;

[0047] (2) Primary ball milling: put deionized water, zirconium balls, and the mixture into a nylon tank for ball milling, and the ball milling time is 2 hours;

[0048] (3) Drying and sieving: After the ball milling is completed, dry the obtained mixed slurry at a drying temperature of 100° C. and a drying time of 2 hours to obtain a dry powder; take out the dry powder and pass through a 40-mesh sieve;

[0049] (4) Melting and water quenching: take the sieved dry powder and put it into a crucible at a temperature of 1500°C, melt for 1.5 hours, discharge gas, and...

Embodiment 3

[0057] (3) Ingredients: prepare the raw materials of magnesium-aluminum-silicon glass-ceramics, weigh them, and mix the raw materials after weighing to obtain a mixture;

[0058] The raw material of the magnesium-aluminum-silicate glass-ceramics consists of the following components in parts by mass: 30 parts of magnesium carbonate, 35 parts of aluminum oxide, 32 parts of silicic acid, and 3 parts of titanium dioxide;

[0059] (2) Primary ball milling: put deionized water, zirconium balls, and the mixture into a nylon tank for ball milling, and the ball milling time is 2 hours;

[0060] (3) Drying and sieving: After the ball milling is completed, dry the obtained mixed slurry at a drying temperature of 100° C. and a drying time of 2 hours to obtain a dry powder; take out the dry powder and pass through a 40-mesh sieve;

[0061] (4) Melting and water quenching: put the sieved dry powder into a crucible at a temperature of 1500°C, melt for 1 hour, discharge gas, and water quench ...

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

No PUM Login to View More

Abstract

The invention relates to a preparation method of magnesium aluminum silicon microcrystalline glass for LTCC packaging materials, which sequentially comprises the following steps: drying, sieving, melting, water quenching, secondary ball milling, drying, sieving, granulating, forming and sintering; the raw materials of the magnesium aluminum silicon microcrystalline glass comprise the following components in parts by mass: 30-35 parts of magnesium carbonate, 30-35 parts of aluminum oxide, 28-32 parts of silicic acid and 2-3 parts of titanium dioxide; and a composite nucleating agent comprises the following components in parts by mass: 50-55 parts of zinc oxide, 30-35 parts of zirconium oxide, 10-15 parts of chromium trioxide and 10-12 parts of boron trioxide. The preparation method of the magnesium aluminum silicon microcrystalline glass for the LTCC packaging material is simple, and the prepared magnesium aluminum silicon microcrystalline glass further improves the matching degree withthe LTCC packaging material, has better bending strength, better matching coefficient of thermal expansion with a silicon chip, lower dielectric constant and dielectric loss, better performances andwide application prospect.

Description

technical field [0001] The invention belongs to the technical field of new materials, and in particular relates to a preparation method of magnesium-aluminum-silicon glass-ceramics used for LTCC packaging materials. Background technique [0002] New materials refer to newly developed or developing structural materials with excellent properties and functional materials with special properties. Structural materials mainly utilize their mechanical properties such as strength, toughness, hardness, and elasticity. Such as new inorganic non-metallic materials, amorphous alloys, etc. Functional materials mainly use their functions and physical effects such as electricity, light, sound, magnetism, and heat. [0003] Among the new inorganic non-metallic materials, focus on the development of electro-optic ceramics, piezoelectric ceramics, silicon carbide ceramics and other advanced ceramics, glass-ceramics, high-purity quartz glass and special raw materials, scintillation crystals,...

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
IPC IPC(8): C03C10/08C03B32/02C03C6/00
CPCC03C10/0045C03B32/02C03C1/00
Inventor 龚明兰
Owner SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com