Markus Vollmann,Irmgard Wissel,Marcel Meegdes,Carsten Wiesner
申请号:
US15717565
公开号:
US10407341B2
申请日:
2017.09.27
申请国别(地区):
US
年份:
2019
代理人:
摘要:
The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al2O3 at 1.5 to 3.5 percent by weight, and K2O at 0.6 to 1.8 percent by weight.