The material selection of the tablet should be determined according to the specific application scenarios and needs, and common material choices include the following:

Metal materials: Metal materials generally have good strength and stiffness and are suitable for applications that require high loads and stability. Common metal materials include aluminum alloy, titanium alloy, stainless steel and so on.

Silicon material: Silicon material has excellent mechanical properties and chemical stability, suitable for microelectronics, optical devices and other fields. Silicon materials can be prepared by wafer processing and thin film preparation technology to high precision.

Quartz material: Quartz material has excellent optical properties, high temperature resistance and chemical stability, suitable for optical devices and optical communication and other fields. Quartz materials can be prepared by cutting and grinding processes to produce high precision Leiling sheets.

Polymer materials: Polymer materials have low density and good chemical stability, suitable for lightweight and flexible applications. Common polymer materials include polyimide (PI), polymethyl methacrylate (PMMA) and so on.

Glass materials: Glass materials have good optical transparency and chemical stability, suitable for optical devices and optical sensors and other fields. Common glass materials include quartz glass, borosilicate glass and so on.

In addition, according to specific needs, other special materials can be selected, such as shape memory alloys, ceramic materials, nanomaterials, etc., to meet the requirements of specific applications. The selection of materials should comprehensively consider its physical, chemical, mechanical and other performance indicators, and combined with the preparation process and cost factors for comprehensive evaluation.