US 12,103,886 B2
Aluminosilicate microcrystalline glass, and manufacturing method and product thereof
Kaiwen Huang, Dongguan (CN); Banghong Hu, Dongguan (CN); Wangchun Lyu, Dongguan (CN); Heshuai Si, Dongguan (CN); and Zhongzhi Tang, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jun. 25, 2021, as Appl. No. 17/358,282.
Application 17/358,282 is a continuation of application No. PCT/CN2019/127236, filed on Dec. 21, 2019.
Claims priority of application No. 201811632293.X (CN), filed on Dec. 27, 2018.
Prior Publication US 2021/0317032 A1, Oct. 14, 2021
Int. Cl. C03C 10/00 (2006.01); C03B 32/02 (2006.01); C03C 21/00 (2006.01)
CPC C03C 10/0009 (2013.01) [C03B 32/02 (2013.01); C03C 21/002 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A microcrystalline glass comprising:
silicon dioxide (SiO2) comprising first mass percentages of 55 percent (%) to 80%;
aluminum oxide (Al2O3) comprising second mass percentages of 5% to 20%;
sodium oxide (Na2O) comprising third mass percentages that are less than or equal to 8%;
magnesium oxide (MgO) comprising fourth mass percentages that are less than or equal to 10%;
titanium dioxide (TiO2) comprising fifth mass percentages that are less than or equal to 6%;
potassium oxide (K2O) comprising sixth mass percentages that are less than or equal to 5%;
lithium oxide (Li2O) comprising seventh mass percentages that are less than or equal to 10%;
zirconium dioxide (ZrO2) comprising eighth mass percentages that are less than or equal to 5%;
phosphorus pentoxide (P2O5) comprising ninth mass percentages that are less than or equal to 5%; and
a magnesium aluminate (MgAl2O4) crystal comprising first volume percentages of 5% to 75%,
wherein second volume percentages of a glass phase in the microcrystalline glass is 25% to 95%.