Aluminate-based low-dielectric microwave dielectric ceramic and preparation method thereof
A technology of microwave dielectric ceramics and aluminate, applied in the field of microwave dielectric ceramics, can solve problems such as high energy loss, high signal delay, high system heating, etc., achieve high quality factor, alleviate signal delay, and increase transmission rate Effect
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0022] Such as figure 1 As shown, a preparation method of aluminate-based low dielectric microwave dielectric ceramics, comprising:
[0023] (1) CaCO with a purity of more than 99.5% 3 , Ln 2 o 3 , ZrO 2 , MO 2 , and Al 2 o 3 According to the chemical formula (2+x)CaO-0.5Ln 2 o 3 -(2-y)ZrO 2 -(x+y)MO 2 -1.5Al 2 o 3 Perform batching to obtain mixed raw materials, wherein, Ln is Y, L...
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