GLASS SUBSTRATE FOR PEN INPUT DEVICE, PEN INPUT DEVICE AND MANUFACTURING METHOD OF GLASS SUBSTRATE FOR PEN INPUT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a glass substrate for pen input device excellent in writing feeling by an input pen and capable of maintaining high resolution of a display device.;SOLUTION: There is provided a glass substrate 20 for pen input device constituted by a crystallized glass sheet having crystal C, in which the crystallized glass sheet has crystallization degree of 50% or more, haze is 10% or less in a wavelength region of visible lights, a main surface 20a of the crystallized glass sheet has a convexoconcave due to a crystal by etching a glass original sheet constituted by the crystallized glass and the main surface 20a is constituted by crystal C. There is provide a glass substrate for pen input device having particle diameter of the crystal C of 5 to 10 nm.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT