Under high temperature and high purity environments, the selection boundary between BF33 (borosilicate glass) and quartz glass is mainly determined by temperature threshold and purity requirements, supplemented by thermal expansion matching, chemical stability and cost control. The core conclusion can be summarized as

Borosilicate glass BF33 (with Schott BOROFLOAT® 33 as the industry benchmark) is a key special material in semiconductor processes, widely used in core links such as MEMS packaging, wafer-level bonding, and advanced packaging interposers. Its thermal expansion characteristics and thermal stability are directly rela

Borosilicate glass BF33 (with Schott BOROFLOAT® 33 as the industry benchmark) is a key special material in semiconductor processes, widely used in core links such as MEMS packaging, wafer-level bonding, and advanced packaging interposers. Its thermal expansion characteristics and thermal stability are directly rela

Quartz wafers, primarily made of fused or synthetic quartz, are indispensable core materials in advanced semiconductor packaging, optoelectronic integration, and MEMS manufacturing. Their unparalleled properties—including ultra-low thermal expansion, high chemical stability, superior electrical insulation, optica

In fields such as high-end manufacturing, electronic communication, and optical engineering, silicon dioxide (SiO₂) materials have become indispensable core substrates due to their excellent physical, chemical, and optical properties. However, despite being composed of SiO₂, single-crystal quartz and fused quartz are

In high-end industries such as optoelectronic technology, semiconductor manufacturing, and precision optics, hard optical substrates are core basic materials that directly determine the performance ceiling, stability, and application scenarios of devices. Among them, quartz, sapphire, and silicon wafers have become the

As the core material of the third-generation wide-bandgap semiconductors, Silicon Carbide (SiC) breaks through the physical limits of traditional silicon-based devices with its intrinsic advantages of high critical breakdown electric field, excellent thermal conductivity and high electron mobility, becoming the core ch

As the core material of third-generation wide-bandgap semiconductors, silicon carbide (SiC) is essential in high-performance semiconductor fields like new energy vehicles, AI computing power, and photovoltaic energy storage due to its superior electrical and thermal properties. Epitaxial growth is critical for SiC devi

As a core material of the third-generation wide-bandgap semiconductors, Silicon Carbide (SiC) has become the key to breaking the bottleneck of silicon-based devices, thanks to its excellent properties such as high breakdown electric field, high saturated electron velocity, and high thermal conductivity. Silicon carbide

As the third-generation wide-bandgap semiconductor industry develops rapidly, 4H-semi-insulating silicon carbide (4H-SiC) substrates—core carriers for GaN epitaxy—directly determine the performance and reliability of downstream RF and power devices. Procurement quality is critical for controlling production