Characterizations of CaO–B2O3–SiO2 glass–ceramics: Thermal and electrical properties

Chiang, Chuang-Chung; Wang, Sea-Fue; Wang, Yuh-Ruey; Hsu, Yung−Fu

doi:10.1016/j.jallcom.2007.07.073

Cited by 70 publications

(21 citation statements)

References 14 publications

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“…According to the literature, SiO 2 -rich glass-ceramics present the lowest dielectric constant values because SiO 2 possess the lowest dielectric constant among the ceramics. Moreover, BAS has an extremely low tan δ among the glasses prepared in the high frequencies due to its rigid bonds [14]. BABS glass-ceramic possesses the highest dielectric constant (ε = 68), while its dielectric loss is also the highest (tan δ = 0.029).…”

Section: Taking Into Account That Bas Glass-ceramic Is Mainly Composementioning

confidence: 99%

“…Therefore, it would be expected that BABS will show the lowest value of the dielectric losses. However, the introduction of B 2 O 3 in the system to lower the melting temperature causes the breaking of rigid bonds of SiO 2 , leading to higher losses [14]. Particularly, BAS, BACoS and BACaS glass-ceramics contain hexacelsian phase which has a low dielectric constant [52].…”

Section: Taking Into Account That Bas Glass-ceramic Is Mainly Composementioning

confidence: 99%

“…The gradual increase of CoO content in the glass matrix caused a decrease of structural compactness of the material that influences the density of the glass ceramic [13]. The introduction of CaO in system is expected to increase the melting point, and the dielectric constant, but makes the vitrification difficult [14] and [15].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of (CoO, CaO, B 2 O 3 ) additives on thermal and dielectric properties of BaO–Al 2 O 3 –SiO 2 glass–ceramic sealant for OTM applications

Borhan

Gromada

Nedelcu

et al. 2016

Ceramics International

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Section: Taking Into Account That Bas Glass-ceramic Is Mainly Composementioning

confidence: 99%

Section: Taking Into Account That Bas Glass-ceramic Is Mainly Composementioning

confidence: 99%

See 1 more Smart Citation

Influence of (CoO, CaO, B 2 O 3 ) additives on thermal and dielectric properties of BaO–Al 2 O 3 –SiO 2 glass–ceramic sealant for OTM applications

Borhan

Gromada

Nedelcu

et al. 2016

Ceramics International

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“…As an attractive glass-ceramic system, CaO-SiO 2 -B 2 O 3 (CBS) has been investigated as the candidate substrate materials in the electronic packaging filed, because of its low sintering temperature, relatively low dielectric constant (*6.5) and low material cost [3][4][5][6][7][8][9][10][11][12][13][14][15][16]. Wang and Zhou [11] studied the effects of the glasses of different compositions, holding time and heating speed on CaO-B 2 O 3 -SiO 2 system.…”

Section: Introductionmentioning

confidence: 99%

Crystallization, sinterability and dielectric properties of CaO–B2O3–SiO2 glass ceramics with Al2O3 additives

Jin-zhuang

et al. 2015

J Mater Sci: Mater Electron

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Glass-ceramic materials of the CaO-B 2 O 3 -SiO 2 (CBS) system added with various amounts of Al 2 O 3 have been prepared by conventional melting and heat treated crystallization method. The effects of Al 2 O 3 on the sintering characterization and dielectric properties have been investigated. With increasing the Al 2 O 3 content, the bending and stretching vibrations in [SiO 4 ] 2-became weak. XRD patterns of samples with C3 wt% Al 2 O 3 introduce cyclowollastonite (a-CaSiO 3 ) as single crystallized phase of sintered glass-ceramics. It is found that the optimal sintering temperature for this glass ceramics is 800°C for 30 min, and the sinterability was obviously improved by Al 2 O 3 additive. CBS glass ceramics sample with 5 wt% Al 2 O 3 achieved the best sintering characterization and dielectric properties (e r & 7, tan d = 1.9 9 10 -3 at 1 MHz), which is proposed to be suitable for LTCC application.

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“…Some representative widespread-researched glass system contains: CaO-B 2 O 3 -SiO 2 [8,9], CaO-Al 2 O 3 -SiO 2 [10,11], ZnO-B 2 O 3 -SiO 2 [12], BaO-B 2 O 3 -SiO 2 [13], CaO-Al 2 O 3 -B 2 O 3 -SiO 2 [14], etc. Borosilicate glass possesses the characteristics of low dielectric constant, low dielectric loss [15] and good insulation [16].…”

Section: Introductionmentioning

confidence: 99%

Low temperature sintering and characteristics of K2O–B2O3–SiO2–Al2O3 glass/ceramic composites for LTCC applications

Qin

Zhong

Luo

2014

J Mater Sci: Mater Electron

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The K glasses with different Al 2 O 3 content were prepared. Different proportions (50, 55, 60, 65, 70 %) of the three glasses were respectively mixed with alumina ceramic-filler, then the mechanical and dielectric properties were investigated. The results showed K 2 O-B 2 O 3 -SiO 2 -2 %Al 2 O 3 glass/alumina filler (glass:alumina = 60:40) had the excellent comprehensive properties, so further study was continued with part of alumina ceramic-filler replaced by the silica ceramicfiller on this composite. Then the X-ray diffraction analysis revealed that the alumina and silica fillers existed as the crystal phase, and the densification was seriously damaged when the silica content reached to three quarters of the fillers. With the increase of the silica-filler, the composites' density and dielectric constant exhibited uniform decrease, but thermal expansion coefficient (TEC) uniformly increased. When the glass:alumina:silica was equal to 60:30:10, a best composite property was presented as a bulk density of 2.582 (g cm -1 ), a dielectric constant of 6.1 and a dielectric loss of 2 9 10 -3 at 1 MHz, a flexural strength of 168 MPa, and a TEC of 8.62 9 10 -6°C-1 .

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Characterizations of CaO–B2O3–SiO2 glass–ceramics: Thermal and electrical properties

Cited by 70 publications

References 14 publications

Influence of (CoO, CaO, B 2 O 3 ) additives on thermal and dielectric properties of BaO–Al 2 O 3 –SiO 2 glass–ceramic sealant for OTM applications

Influence of (CoO, CaO, B 2 O 3 ) additives on thermal and dielectric properties of BaO–Al 2 O 3 –SiO 2 glass–ceramic sealant for OTM applications

Crystallization, sinterability and dielectric properties of CaO–B2O3–SiO2 glass ceramics with Al2O3 additives

Low temperature sintering and characteristics of K2O–B2O3–SiO2–Al2O3 glass/ceramic composites for LTCC applications

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