Fabrication and microwave dielectric properties of CuO-B2O3-Li2O glass-ceramic with ultra-low sintering temperature

Ma, M, Fu, Z, Liu, Z and Li, Y 2017, 'Fabrication and microwave dielectric properties of CuO-B2O3-Li2O glass-ceramic with ultra-low sintering temperature', Ceramics International, vol. 43, pp. 292-295.


Document type: Journal Article
Collection: Journal Articles

Title Fabrication and microwave dielectric properties of CuO-B2O3-Li2O glass-ceramic with ultra-low sintering temperature
Author(s) Ma, M
Fu, Z
Liu, Z
Li, Y
Year 2017
Journal name Ceramics International
Volume number 43
Start page 292
End page 295
Total pages 4
Publisher Pergamon Press
Abstract CuO-B 2 O 3 -Li 2 O (CBL) glass-ceramic with a composition of 32 wt% CuO - 63 wt% B 2 O 3 - 5 wt% Li 2 O was prepared through conventional glass-ceramic route. The CBL glass-ceramic could be densified well by sintering at 625 °C for 30 min. The X-Ray diffraction (XRD) and transmission electron microscopy (TEM) analysis indicated that the CuB 2 O 4 phase was dominated in the sintered glass-ceramic, which showed excellent microwave dielectric properties with ε r = 5.84, Q×f = 10120 GHz (at 13.44 GHz), and τ f = -33 ppm/°C. Furthermore, the CBL material is chemically compatible with both silver (Ag) and aluminum (Al) electrodes at their sintering temperatures. These properties indicate that the CBL glass-ceramic might be a promising ultra-low temperature co-fired ceramic (ULTCC) material for packaging substrate applications.
Subject Ceramics
Keyword(s) CuB O 2 4
Glass-ceramic
Microwave dielectric properties
ULTCC
DOI - identifier 10.1016/j.ceramint.2017.05.190
Copyright notice © 2017 Elsevier and Techna Group
ISSN 0272-8842
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