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Preparation method of gel casting 5G filter ceramic
The invention discloses a preparation method of gel casting 5G filter ceramic, belongs to the technical field of ceramic preparation, and solves the problems that in the prior art, a dry pressing product is non-uniform in density and non-uniform in shrinkage, the Q value of a filter is influenced, and the requirement of the 5G filter ceramic cannot be met by adopting an injection molding process. The 5G filter ceramic with high dielectric constant and low dielectric loss is prepared through a series of steps of burdening, slurrying, vacuum degassing, pouring, heating and curing, demolding, drying and dewatering, glue discharging, selective fettling and sintering, the ceramic slurry is high in solid content, the content of organic matter relative to ceramic powder is low, a degreasing process is not needed, drying and sintering can be directly carried out, and the service life of the filter ceramic is prolonged. According to the method, the size precision consistency can be guaranteed, dependence on finish machining does not exist in the later period, the structural design requirements of large-size or small-size, especially complex-structure and high-precision 5G ceramic filters are met, and a foundation is laid for achieving automatic continuous production.
凝胶注模成型5G滤波器陶瓷的制备方法,属于陶瓷制备技术领域，克服了现有技术中干压成型产品密度不均匀，收缩不均匀，影响到滤波器的Q值以及采用注射成型工艺不能满足5G滤波器陶瓷需要的问题，特征是采用钛酸镁和钛酸钙为主体材料，通过配料、制浆、真空脱气、浇注、加热固化、脱模、干燥脱水、排胶、选择修坯和烧结一系列步骤，制成具有高介电常数和低介质损耗的5G滤波器陶瓷，陶瓷浆料固含量高，有机物相对陶瓷粉体含量低，且不需要脱脂过程，可直接进行干燥烧结，能够保证尺寸精度一致性，在后期也不存在对精加工的依赖，满足了大尺寸或小尺寸尤其是复杂结构、高精度5G陶瓷滤波器的结构设计要求，为实现自动化连续生产奠定了基础。
Preparation method of gel casting 5G filter ceramic
The invention discloses a preparation method of gel casting 5G filter ceramic, belongs to the technical field of ceramic preparation, and solves the problems that in the prior art, a dry pressing product is non-uniform in density and non-uniform in shrinkage, the Q value of a filter is influenced, and the requirement of the 5G filter ceramic cannot be met by adopting an injection molding process. The 5G filter ceramic with high dielectric constant and low dielectric loss is prepared through a series of steps of burdening, slurrying, vacuum degassing, pouring, heating and curing, demolding, drying and dewatering, glue discharging, selective fettling and sintering, the ceramic slurry is high in solid content, the content of organic matter relative to ceramic powder is low, a degreasing process is not needed, drying and sintering can be directly carried out, and the service life of the filter ceramic is prolonged. According to the method, the size precision consistency can be guaranteed, dependence on finish machining does not exist in the later period, the structural design requirements of large-size or small-size, especially complex-structure and high-precision 5G ceramic filters are met, and a foundation is laid for achieving automatic continuous production.
凝胶注模成型5G滤波器陶瓷的制备方法,属于陶瓷制备技术领域，克服了现有技术中干压成型产品密度不均匀，收缩不均匀，影响到滤波器的Q值以及采用注射成型工艺不能满足5G滤波器陶瓷需要的问题，特征是采用钛酸镁和钛酸钙为主体材料，通过配料、制浆、真空脱气、浇注、加热固化、脱模、干燥脱水、排胶、选择修坯和烧结一系列步骤，制成具有高介电常数和低介质损耗的5G滤波器陶瓷，陶瓷浆料固含量高，有机物相对陶瓷粉体含量低，且不需要脱脂过程，可直接进行干燥烧结，能够保证尺寸精度一致性，在后期也不存在对精加工的依赖，满足了大尺寸或小尺寸尤其是复杂结构、高精度5G陶瓷滤波器的结构设计要求，为实现自动化连续生产奠定了基础。
Preparation method of gel casting 5G filter ceramic
凝胶注模成型5G滤波器陶瓷的制备方法
LI LIHUA (author) / BAN YANG (author) / MO GUANGGUANG (author) / LI-ZHAO TIANHUI (author)
2022-03-08
Patent
Electronic Resource
Chinese
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