Glass filler powder
AssigneeNippon Electric Glass Co., Ltd.
InventorsMasashi Nakamura, Jun Kinoshita, Shigeyuki Fukusaka
Life of this patent
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Abstract
A glass filler powder includes a bubble therein, a volume fraction of the bubble being from 0.2% to 2%.
Claims11
A glass filler powder comprising a bubble therein, a volume fraction of the bubble being from 0.2% to 2%, from 40 to 80 mass % of SiO2, from 0 to 30 mass % of Al2O3, from 2 to 20 mass % of B2O3, from 0 to 25 mass % of CaO, from 0 to 10 mass % of ZnO, from 0 to 10 mass % of Li2O, from 0 to 30 mass % of Na2O, from 0 to 30 mass % of K2O, from 0 to 20 mass % of Nb2O5, from 0 to 20 mass % of WO3, from 0.1 to 30 mass % of Nb2O5+WO3, from 0.1 to 15 mass % of TiO2, and from 0 to 10 mass % of F.
Dependencies are inferred from the claim text.