公开(公告)号：US20200017399A1

公开(公告)日：2020-01-16

申请号：US16512953

申请日：2019-07-16

Applicant: CORNING INCORPORATED

Inventor： Carol Ann Click ,  Indrajit Dutta ,  James Howard Edmonston ,  Michael S. Fischer ,  Qiang Fu ,  Ozgur Gulbiten ,  Jill Marie Hall ,  Mathieu Gerard Jacques Hubert ,  Dhananjay Joshi ,  Andrew Peter Kittleson ,  Rohit Rai ,  John Robert Saltzer, JR. ,  Charlene Marie Smith ,  Matthew Daniel Trosa ,  Matthew Artus Tuggle ,  James Clark Walck, JR. ,  Alana Marie Whittier ,  Zheming Zheng

IPC: C03C10/00 ,  C03B32/02

Abstract: A glass-ceramic article having one or more crystalline phases; a residual glass phase; a compressive stress layer extending from a first surface to a depth of compression (DOC); a maximum central tension greater than 70 MPa; a stored tensile energy greater than 22 J/m2; a fracture toughness greater than 1.0 MPa√m; and a haze less than 0.2.