Recently, Huawei published a new patent for glass-ceramic technology for which the company filed an application on March 23, 2021. The application number for the patent is CN112919810A. However, its simple legal status is still pending.
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The components of the glass-ceramics are expressed in weight percentages and contain: SIO2 + A1203: 60~80%, P205: 2~10%, ZrO2: 0.5~10%, Ln203: greater than 0 but less than or equal to 10%, Li20 + Na20 + K20: 21.5 to 30%, where (Li20 + Na20 + K20)/ Ln203 is 2.5-25, and the Ln203 is one or more of La203, Gd203, Y203, and Yb203.
Additionally, the glass-ceramic obtained by this patent method is suitable for chemical strengthening and sturdy material design.
Lastly, the glass-ceramic and glass-ceramic products obtained by this invention have good mechanical properties that can be used for strong smartphone back, displays, or other electronic devices.
