Dielectric medium of ceramic capacitor and preparation process thereof
A technology of ceramic capacitors and dielectrics, which is applied in the direction of fixed capacitor dielectrics and components of fixed capacitors, etc. It can solve the problems of unsatisfactory dielectric constant and voltage resistance, high sintering temperature, small dielectric constant, etc., and achieve performance stability Good, low sintering temperature, high dielectric constant effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0025] Example 1
[0026] A dielectric for ceramic capacitors. The dielectric includes the following raw materials: BaTiO 3 40kg, SrTiO 3 10kg, BaZrO 3 10kg, CaTiO 3 8kg, MgNb 2 O 5 8kg, CeO 2 2kg, ZnO 2kg, Co 2 O 3 2kg, BaSiO 3 1kg, Gd 2 O 3 1kg.
[0027] Wherein, the BaTiO 3 It is prepared by the following process: the conventional chemical raw material BaCO 3 And TiO 2 According to the 1:1 molar ratio, the mixture is ground and mixed evenly, and then put into an alumina crucible and kept at 1100℃ for 100 minutes. The solid phase reaction synthesizes BaTiO 3 , After cooling, grind through a 150-mesh sieve for use.
[0028] The SrTiO 3 It is prepared by the following process: the conventional chemical raw material SrCO 3 And TiO 2 According to the 1:1 molar ratio, the mixture is uniformly ground and mixed, and then put into an alumina crucible and kept at 1120℃ for 100 minutes. SrTiO is synthesized by solid-phase reaction. 3 , After cooling, grind through a 150-mesh sieve for use.
[...
Example Embodiment
[0037] Example 2
[0038] A dielectric of a ceramic capacitor. The dielectric of the ceramic capacitor includes the following raw materials: BaTiO 3 50kg, SrTiO 3 15kg, BaZrO 3 15kg, CaTiO 3 10kg, MgNb 2 O 5 10kg, CeO 2 3kg, ZnO 3kg, Co 2 O 3 3kg, BaSiO 3 2kg, Gd 2 O 3 2kg.
[0039] Wherein, the BaTiO 3 It is prepared by the following process: the conventional chemical raw material BaCO 3 And TiO 2 According to the molar ratio of 1:1, grind and mix evenly, put it in an alumina crucible, keep it at 1160℃ for 125 minutes, and synthesize BaTiO by solid phase reaction 3 , After cooling, grind through a 200-mesh sieve for use.
[0040] The SrTiO 3 It is prepared by the following process: the conventional chemical raw material SrCO 3 And TiO 2 According to 1:1 molar ratio of ingredients, grind and mix evenly, put it in an alumina crucible and keep it at 1160℃ for 120 minutes, and synthesize SrTiO by solid phase reaction. 3 , After cooling, grind through a 200-mesh sieve for use.
[0041] The...
Example Embodiment
[0049] Example 3
[0050] A dielectric of a ceramic capacitor. The dielectric of the ceramic capacitor includes the following raw materials: BaTiO 3 60kg, SrTiO 3 20kg, BaZrO 3 20kg, CaTiO 3 12kg, MgNb 2 O 5 12kg, CeO 2 4kg, ZnO 4kg, Co 2 O 3 4kg, BaSiO 3 3kg, Gd 2 O 3 3kg.
[0051] Wherein, the BaTiO 3 It is prepared by the following process: the conventional chemical raw material BaCO 3 And TiO 2 According to the 1:1 molar ratio, the mixture is ground and mixed evenly, and then put into the alumina crucible and kept at 1220℃ for 130 minutes. The solid phase reaction synthesizes BaTiO 3 , After cooling, grind through a 250-mesh sieve for use.
[0052] The SrTiO 3 It is prepared by the following process: the conventional chemical raw material SrCO 3 And TiO 2 According to the molar ratio of 1:1, grind and mix evenly, put it in an alumina crucible and keep it at 1200℃ for 140 minutes, and then synthesize SrTiO by solid phase reaction. 3 , After cooling, grind through a 250-mesh sieve f...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap