Modified poly(phenylene oxide)/(CaSr)TiO3 composites with ultrahigh permittivity and low loss for microwave substrates

Li, Xiangkun; Zhou, Di; Yao, Xiaogang; Peng, Haiyi; Tian, Xingyu; Gu, Zhongyuan; Lin, Huixing; Shi, Zhongqi; Liu, Wenfeng; Zhou, Tao

doi:10.1016/j.jallcom.2023.172533

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2023.172533

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Modified poly(phenylene oxide)/(CaSr)TiO3 composites with ultrahigh permittivity and low loss for microwave substrates

Xiangkun Li,

Di Zhou,

Xiaogang Yao

et al.

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2024

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Cited by 2 publications

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Polyphenylene oxide/SiO2 composites: Towards ultra-low dielectric loss and high thermal conductivity of microwave substrates

Luo,

Wang,

et al. 2024

Applied Surface Science

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Polyphenylene oxide/SiO2 composites: Towards ultra-low dielectric loss and high thermal conductivity of microwave substrates

Luo,

Wang,

et al. 2024

Applied Surface Science

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Co2+-enhanced zinc aluminate microwave dielectric ceramics for electronic packaging to thermally match printed circuit boards

Huang,

Li,

Shang

et al. 2024

J. Adv. Dielect.

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With the rapid development of electronic integration technology, highly integrated chips are in urgent need of packaging materials that are thermally matched to printed circuit boards. Here, [Formula: see text]CoxAl2O4 (ZCAO, x= 0.00–0.20) ceramics are synthesized using the solid-state reaction method. The phase composition, microstructure, microwave dielectric properties and CTE of [Formula: see text] in the ZnAl2O4 ceramic substituted by [Formula: see text] are systematically revealed. An appropriate amount of [Formula: see text] substitution promotes a more homogeneous grain growth to form a dense microstructure. The average grain size, bulk density and relative density of ZCAO ([Formula: see text]) ceramic are 1.59[Formula: see text][Formula: see text]m, 4.472[Formula: see text]g/cm3 and 97.4%, respectively. The optimal microwave dielectric properties ([Formula: see text], [Formula: see text],701[Formula: see text]GHz, [Formula: see text][Formula: see text]ppm/∘C) of the ZCAO ([Formula: see text]) ceramic sintered at 1450∘C are achieved. More importantly, the ZCAO (x = 0.10) possesses a CTE = 11.59[Formula: see text]ppm/∘C that is nearly thermally matched to the printed circuit boards (PCB, CTEPCB = 12[Formula: see text]ppm/∘C). This ceramic has great potential for application in the electronic packaging of PCB devices.

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Modified poly(phenylene oxide)/(CaSr)TiO3 composites with ultrahigh permittivity and low loss for microwave substrates

Cited by 2 publications

References 35 publications

Polyphenylene oxide/SiO2 composites: Towards ultra-low dielectric loss and high thermal conductivity of microwave substrates

Polyphenylene oxide/SiO2 composites: Towards ultra-low dielectric loss and high thermal conductivity of microwave substrates

Co2+-enhanced zinc aluminate microwave dielectric ceramics for electronic packaging to thermally match printed circuit boards

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