阅读说明：本技术 具有高含量锌的β-石英玻璃陶瓷 (β -Quartz glass ceramics with high Zinc content ) 是由 M·孔德 T·奥格 于 2018-06-06 设计创作，主要内容包括：本申请提供β-石英的LAS型透明玻璃陶瓷,其组成含有高含量的锌,以及至少部分由所述玻璃陶瓷构成的制品、所述玻璃陶瓷的玻璃前体(在高温具有低粘度),还提供了所述制品的制备方法。所述玻璃陶瓷呈现如下组成,除了不可避免的痕量之外不含氧化砷和氧化锑,以氧化物的重量％计,含有：64.5％至66.5％SiO<Sub>2</Sub>；19.0％至20.6％Al<Sub>2</Sub>O<Sub>3</Sub>；3.0％至3.6％Li<Sub>2</Sub>O；0至1％MgO；1.7％至3.4％ZnO；2％至3％BaO；0至3％SrO；0至1％CaO；2％至4％TiO<Sub>2</Sub>；1％至2％ZrO<Sub>2</Sub>；0至1％Na<Sub>2</Sub>O；0至1％K<Sub>2</Sub>O；Na<Sub>2</Sub>O+K<Sub>2</Sub>O+BaO+SrO+CaO≤6％；任选地最高至2％的至少一种包括SnO<Sub>2</Sub>的澄清剂；以及任选地最高至2％的至少一种着色剂。(The present application provides an β -quartz LAS-type transparent glass-ceramic, the composition of which contains a high content of zinc, as well as an article at least partially composed of the glass-ceramic, a glass precursor of the glass-ceramic (having a low viscosity at high temperatures), and a method for the production of the article, the glass-ceramic exhibiting a composition which, apart from unavoidable traces, is free of arsenic oxide and antimony oxide and contains, in% by weight of oxides, 64.5% to 66.5% SiO 2 (ii) a 19.0% to 20.6% Al 2 O 3 (ii) a 3.0% to 3.6% Li 2 O; 0 to 1% MgO; 1.7% to 3.4% ZnO; 2% to 3% BaO; 0 to 3% SrO; 0 to 1% CaO; 2 to 4% TiO 2 (ii) a 1% to 2% ZrO 2 (ii) a 0 to 1% Na 2 O; 0 to 1% K 2 O；Na 2 O+K 2 O + BaO + SrO + CaO is less than or equal to 6 percent; optionally up to 2% of at least one comprises SnO 2 The clarifying agent of (1); and optionally up to 2% of at least one colorant.)