Jiaxing Glead Electronics Co.

Jiaxing, China

Jiaxing Glead Electronics Co.

Jiaxing, China

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Tong J.,Jiaxing Glead Electronics Co. | Zhang B.,Jiaxing Glead Electronics Co. | Huang W.,Jiaxing Glead Electronics Co. | Yang H.,Zhejiang California International NanoSystems Institute
Materials Letters | Year: 2013

The effect of composition of Li2(Mg0.3Zn 0.7)Ti3O8-xTiO2 (-0.36≤x≤0.36, for short LMZT) on sinterability, crystalline phase, microstructure and microwave dielectric properties of the ZnO-B2O3-SiO 2 (for short ZBS) glass doped samples was systematically investigated. It shows that as x is over zero, rutile phase was detected and the crystalline grain size of LMZT ceramics decrease abruptly. It was also found that the bulk density and the quality factor (Q×f) gradually decreased, dielectric constant (εr) increased, the temperature coefficient of resonant frequency (τf) shifted to positive value with the increase of x value. When x=0.12, LMZT ceramics with 3 wt% ZBS sintered at 900 °C for 3 h show excellent dielectric properties: εr=25.1, Q×f=19,620 GHz, τf=-2.3 ppm/°C. It is compatible with Ag electrodes, which makes it a promising ceramic for low temperature co-fired ceramics technology application. © 2013 Elsevier B.V.


Tong J.,Zhejiang University | Tong J.,Jiaxing Glead Electronics Co. | Zhou J.,Zhejiang University | Yang H.,Zhejiang University | And 3 more authors.
Journal of Materials Science: Materials in Electronics | Year: 2014

The effects of BaO-B2O3-SiO2 (BBS) frit on sinterability, microstructure and microwave dielectric properties of Li 2(Mg0.3Zn0.7)Ti3O 8-0.12TiO2 (LMZT) ceramics were systematically investigated. BBS frit can effectively lower the sintering temperature of LMZT ceramics to below 900 C. Suitable BBS frit addition can accelerate the growth of the LMZT grains while inhibit the abnormal grain growth at the same time. The LMZT ceramics with 2 wt% BBS frit sintered at 900 C for 3 h show homogeneous microstructure composed of 5-10 μm grains and excellent dielectric properties: ε r = 24.1, Q × f = 21,980 GHz, τ f = -4.1 ppm/ C. It is compatible with Ag electrodes, which makes it a potential candidate material for low temperature co-fired ceramics technology application. © 2014 Springer Science+Business Media New York.

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