Dielectric properties of new glass-ceramics for LTCC applied to microwave or millimeter-wave frequencies

Mori, Nobuhiko; Sugimoto, Yasutaka; Harada, Jun; Higuchi, Yukio

doi:10.1016/j.jeurceramsoc.2005.09.023

Cited by 76 publications

(43 citation statements)

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“…So the low loss is the key characteristic for LTCC dielectric materials [3,6,10,23]. For example, the typical loss tangent for Ferro A6 is less than 0.002 at 10 GHz [10].…”

Section: Physical and Processing Characters Of Ltcc Materialsmentioning

confidence: 99%

Towards rational design of low-temperature co-fired ceramic (LTCC) materials

Zhou¹

2012

J Adv Ceram

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Abstract:High performance low temperature co-fired ceramic (LTCC) dielectrics is highly desired for next generation information technology. The rational design is a key issue for the development of new LTCC materials. In comparison to the design of conventional electroceramics, more attention should be paid on the formation process of the material structure for that of LTCC, in addition to the physical properties, due to the special requirement in fabrication processing. In this paper, sintering mechanism of three types of LTCC materials, i.e., glass-ceramics, glass ceramic composite, and glass bonded ceramics, as well as important factors of their dielectric properties are discussed and summarized, and the design strategies for LTCC dielectrics, based on new matrix materials with much lower sintering temperature or higher quality, are proposed. As an example for rational design, oxyfluoride glass-ceramic based dielectrics, a new class of LTCC materials with low ε r , is analyzed.

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“…So the low loss is the key characteristic for LTCC dielectric materials [3,6,10,23]. For example, the typical loss tangent for Ferro A6 is less than 0.002 at 10 GHz [10].…”

Section: Physical and Processing Characters Of Ltcc Materialsmentioning

confidence: 99%

Towards rational design of low-temperature co-fired ceramic (LTCC) materials

Zhou¹

2012

J Adv Ceram

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“…The liquid phase formation promotes the grain growth and reduces the sintering temperature as well as improves the sinterability of the ceramics. Indeed, the addition of low melting glass phase was found to improve the sinterability and reduction in the sintering temperature of the other ceramic systems such as MgAl 2 O 4 [11] and (Zn 1−x Mg x )TiO 3 [8]. It is found that doping much more CASP glass in the sample certainly decrease the relative density.…”

Section: Sintering Behavior and Microstructurementioning

confidence: 99%

Effect of CASP glass doping on sintering and dielectric properties of SBN ceramics

Chen

2009

Journal of Alloys and Compounds

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“…The available frequencies have therefore been extended from microwave to millimeter-wave ranges because large quantity of information could be transported with high speed in the later range [5,6]. Generally, these dielectric materials for microwave communication require a low dielectric constant (e r \ 10), a high quality factor (Q 9 f) and a nearzero temperature coefficient of resonant frequency (s f B ±10 ppm/°C) [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Phase transition, microstructure and microwave dielectric properties of α-CaSiO3 ceramics with SiO2 addition

Liu

Hao

et al. 2014

J Mater Sci: Mater Electron

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The effect of SiO 2 addition on phase transition, microstructure and microwave dielectric properties of aCaSiO 3 ceramics was reported for the first time. The X-ray diffraction analysis confirmed that the phase transformation from cyclo-CaSiO 3 to pseudo-CaSiO 3 was inhibited with the increase of SiO 2 content. It was observed that the average grain size decreased with the increasing addition of SiO 2 by scanning electron microscope. The s f of the SiO 2 -added a-CaSiO 3 ceramics almost remained constant with the SiO 2 content increased, while the e r and Q 9 f changed obviously. The optimized properties were determined for SiO 2 6 wt% additive a-CaSiO 3 ceramics sintered at 1,350°C: e r = 7.37, Q 9 f = 33,714 GHz and s f = -11.08 ppm/°C.

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Dielectric properties of new glass-ceramics for LTCC applied to microwave or millimeter-wave frequencies

Cited by 76 publications

References 0 publications

Towards rational design of low-temperature co-fired ceramic (LTCC) materials

Towards rational design of low-temperature co-fired ceramic (LTCC) materials

Effect of CASP glass doping on sintering and dielectric properties of SBN ceramics

Phase transition, microstructure and microwave dielectric properties of α-CaSiO3 ceramics with SiO2 addition

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