METHOD OF MAKING THREE-DIMENSIONAL GLASS CERAMIC ARTICLE

To provide a three-dimensional (3D) glass-ceramic article formed by ceramming a glass article.SOLUTION: A three-dimensional glass ceramic article with a thickness between 0.1 mm and 2 mm has dimensional precision control of less than or equal to ± 0.1 mm and a transmission factor of 85% or greater at wavelengths from 400 mm to 800 nm at a sample thicknesses of 0.8 mm. A method for forming a three-dimensional glass ceramic article includes placing a nucleated glass article into a mold, and heating the nucleated glass article to a crystallization temperature, where the nucleated glass article is in the mold during the heating step. Then, holding the nucleated glass article at the crystallization temperature for a duration sufficient to crystallize the nucleated glass article and form a three-dimensional glass ceramic article, where the nucleated glass article is in the mold during the holding step, and removing the three-dimensional glass ceramic article from the mold, are executed.SELECTED DRAWING: None 【課題】ガラス物品をセラミック化して形成した三次元（３Ｄ）ガラスセラミック物品を提供する。【解決手段】三次元ガラスセラミック物品は、０．１ｍｍから２ｍｍの厚さを有し、±０．１ｍｍ以下の寸法精度制御を有する。また、０．８ｍｍの試料厚さにおいて、４００ｎｍから８００ｎｍの波長で８５％以上の透過率を含む。三次元ガラスセラミック物品を形成する方法は、有核ガラス物品を金型に入れる工程、及び有核ガラス物品を結晶化温度に加熱する工程を含み、加熱工程中、有核ガラス物品は金型内にある。次に、有核ガラス物品を結晶化し、三次元ガラスセラミック物品を形成するのに十分な時間、結晶化温度で有核ガラス物品を保持する工程であって、該保持工程中、有核ガラス物品が金型内にある、工程、及び金型から三次元ガラスセラミック物品を取り出す工程を含む。【選択図】なし