CRYSTALLIZED GLASS OF THREE-DIMENSIONAL SHAPE, CHEMICALLY STRENGTHENED GLASS OF THREE-DIMENSIONAL SHAPE, AND METHOD FOR PRODUCING CRYSTALLIZED GLASS OF THREE-DIMENSIONAL SHAPE AND CHEMICALLY STRENGTHENED GLASS OF THREE-DIMENSIONAL SHAPE

Abstract: a three-dimensionally shaped crystallized glass, including: a petalite crystal; and a lithium disilicate crystal, where the three-dimensionally shaped crystallized glass has an average transmittance of a light at a wavelength in a range of 380 nm to 780 nm of at least 80% in terms of a thickness of 0.8 mm, and the three-dimensionally shaped crystallized glass comprises, in mass % on an oxide basis: from 60 to 75% of sio; from 5 to 15% of alo; from 4 to 20% of lio; from 0 to 4% of nao; from 0 to 3% of ko; from 3 to 15% in total of at least one of snoand zro; and from 0.5 to 5% of po.

Inventor(s): Qing LI, Kenji IMAKITA, Akio KOIKE, Eriko MAEDA

CPC Classification: C03C10/0027 (Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition)

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