High-quality-factor microwave dielectric ceramic material and preparation method thereof
A microwave dielectric ceramic, high quality factor technology, applied in the field of dielectric ceramic materials, can solve the problems of no microstructure, easy particle agglomeration, high energy consumption, etc., to achieve the effect of superior performance, avoiding molecular agglomeration, and not easy to agglomerate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0021] (1) According to 0.93Ca 2 Na 6 Al 6 Si 6 O 24 (SO 4 ) 2 -0.07TiO 2 In the molar ratio of Ca:Na:Al:Si:S:Ti, the raw materials containing each element (respectively CaCO 3 , Na 2 CO 3 , Al 2 O 3 , SiO 2 , (NH 4 ) 2 SO 4 , TiO 2 ), then carry out wet ball milling with the weighed raw materials for 2 hours; dry after the ball milling to obtain the raw material mixture powder; compress the powder into a block, and keep it at 980 ° C for 4 hours to obtain a sample sinter;
[0022] (2) Grind the sample sinter into pieces, put it into a ball mill tank, and the ball mill tank is pre-filled with zirconia balls and deionized water; put the ball mill tank into the ball mill, set the revolution speed of the ball mill to be 280rpm per minute, and the wet ball mill 2 Stop after 1 hour; add a small amount of dispersant into the ball mill, and then perform ball milling for 1 hour in the rotation mode of the ball mill at 300 rpm per minute, and dry the sample powder after...
Embodiment 2
[0028] In step (1) of embodiment 1, according to 0.88Ca 2 Na 6 Al 6 Si 6 O 24 (SO 4 ) 2 -0.12TiO 2 In the molar ratio of Ca:Na:Al:Si:S:Ti, the raw materials containing each element were weighed; in step (4) of Example 1, the sieved particles were pressed into shape, and then sintered at 1110 ° C for 4 The other steps (including raw materials) are the same as in Example 1, and the composition and addition amount of the dispersant, deionized water and ethanol mixture are the same as those in Example 1, and a high quality factor microwave dielectric ceramic material is obtained.
[0029] The microwave dielectric properties of this group of ceramic materials are as follows: the dielectric constant is 9.3, the quality factor is 84400GHz, and the temperature coefficient of resonance frequency is -5.7ppm / ℃.
Embodiment 3
[0031] In step (1) of embodiment 1, according to 0.84Ca 2 Na 6 Al 6 Si 6 O 24 (SO 4 ) 2 -0.16TiO 2 In the molar ratio of Ca:Na:Al:Si:S:Ti, the raw materials containing each element were weighed; in step (4) of Example 1, the sieved particles were pressed into shape, and then sintered at 1125 ° C for 4 The other steps (including raw materials) are the same as in Example 1, and the composition and addition amount of the dispersant, deionized water and ethanol mixture are the same as those in Example 1, and a high quality factor microwave dielectric ceramic material is obtained.
[0032] The microwave dielectric properties of this group of ceramic materials are: the dielectric constant is 9.9, the quality factor is 78600GHz, and the temperature coefficient of resonance frequency is 4.1ppm / ℃.
PUM
Property | Measurement | Unit |
---|---|---|
Quality factor | aaaaa | aaaaa |
Resonant frequency temperature coefficient | aaaaa | aaaaa |
Quality factor | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information

- Generate Ideas
- Intellectual Property
- Life Sciences
- Materials
- Tech Scout
- Unparalleled Data Quality
- Higher Quality Content
- 60% Fewer Hallucinations
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