公开(公告)号：US3615761A

公开(公告)日：1971-10-26

申请号：US3615761D

申请日：1968-01-31

Applicant: PPG INDUSTRIES INC

Inventor： SAKKA SUMIO ,  MACKENZIE JOHN D

IPC: C03C3/16 ,  C03C3/17 ,  C03C4/06 ,  C03C10/00 ,  C03C3/22 ,  C03C3/26

CPC classification number: C03C4/065 ,  C03C3/16 ,  C03C3/17 ,  C03C10/00

Abstract: This invention relates to phototropic articles containing thallous halides. It particularly relates to thallous halide containing glasses and glass-ceramics, particularly glasses and glass-ceramics containing thallous halides which have been doped with a metal such as copper or indium.