ZnO-TiO2 series low-temperature co-burning ceramic material and preparation method thereof

A technology of low-temperature co-fired ceramics, zno-b2o3-sio2, applied in the direction of ceramics, inorganic insulators, etc., can solve the problems of material properties or processes that are difficult to meet the requirements, casting and other problems, and achieve flexible design models or structures, low cost, and electrical good performance effect

Active Publication Date: 2007-02-07
JIAXING GLEAD ELECTRONICS CO LTD
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Benefits of technology

This patented technology describes an improved method called lithiated zirconia that uses specific elements like tin oxide instead of expensive metals. It allows for higher firing temperatures while maintaining consistently reliable results over time. Additionally, it improves the efficiency at producing multiple layer ceramics due to lower melting points compared to traditional methods. Overall, this new technique simplifies manufacturing processes and increases reliability during use.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving miniaturization and reducing costs associated with manufacturing microelectronics devices like filters for use at frequencies above 5GHz. Current methods involve producing these types of elements separately from their main body during fabrication, which can lead to increased complexity and cost over time due to the large number of steps involved. Therefore there needs an improved method called "one-step synthesis," where multiple parts needed together without requiring separate processing stages.

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  • ZnO-TiO2 series low-temperature co-burning ceramic material and preparation method thereof
  • ZnO-TiO2 series low-temperature co-burning ceramic material and preparation method thereof

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Embodiment Construction

[0044] Below in conjunction with example the present invention is further described, the ZnO-TiO of each embodiment of the present invention 2 The formulation of low temperature co-fired ceramic materials is shown in Table 1.

[0045] Table 1

[0046]

[0047] Its preparation method is as follows:

[0048] 1. Titanium-rich main crystal phase ZnTiO 3 (TiO 2 ) is zinc oxide (ZnO), titanium dioxide (TiO 2 ) was mixed with deionized water into a homogeneous mixture in a polyurethane-lined vertical agitating ball mill according to the formula in Table 1, and the mixture was passed through a 120-mesh sieve and dried in a stainless steel bucket, and then the dry powder was pulverized into a uniform fine powder, loaded with Al 2 o 3 In a corundum crucible, calcined at 780°C for 2-4 hours, then pulverized in a vertical stirring ball mill, and dried for later use.

[0049] 2. Zinc borosilicate glass (ZnO-B 2 o 3 -SiO 2 ) is to use ZnO, B 2 o 3 , SiO 2 According to the ...

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Abstract

The invention relates to a microwave dielectric ceramic material and its preparation method, particularly relates to a zinc oxide-titanium dioxide system low temperature cofired ceramic material and its preparation method. The ceramic material uses zinc titanate and titanium dioxide as main crystal phase and zinc borosilicate glass as a flux. The product can be fired with silver electrode at 900DEG C, and has frequency temperature coefficient tf of 0+-10ppm/DEG C, dielectric constant of 24~35.3, and Q*f of 13000 GHz. The material solves the process problem of casting process and material problem of production of small size multilayer ceramic dielectric microwave Filter. The LTCC technology is used to manufacture multilayer ceramic dielectric microwave Filter with high performance, small size and good consistency and multilayer products like Balun, Antenna and Coupling. The invention also discloses a preparation method for zinc oxide-titanium dioxide system low temperature cofired ceramic material.

Description

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Claims

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Application Information

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Owner JIAXING GLEAD ELECTRONICS CO LTD
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