Professional Processing High Light Transmittance Quartz Plate-Mia
Published On: June 23, 2026
Case Overview
This project is a mass customization case of high-precision ultra-flat quartz plates for an overseas optoelectronic and semiconductor equipment supplier. The client’s core applications include precision optical detection, UV light transmission, wafer auxiliary bearing and high-temperature cavity isolation, requiring ultra-high flatness, superior light transmittance, stable high-temperature performance and zero-impurity surface quality. We provided a complete customized solution including high-purity material selection, ultra-precision double-sided polishing, stress-free heat treatment and ultra-clean finishing. The solution effectively solved the defects of ordinary glass sheets and low-precision quartz plates, supporting the client’s high-stability and high-yield precision equipment operation.
Client Pain Points Before Cooperation
Ordinary glass plates and common quartz sheets have poor high-temperature resistance, prone to thermal deformation and surface warping under long-term heating, resulting in inaccurate optical detection and unstable equipment operation.
Low-grade quartz plates contain internal bubbles, micro-scratches and particle impurities, which reduce UV transmittance, cause uneven light transmission, and interfere with precision optical testing and wafer processing consistency.
Products with unpolished or single-sided polished surfaces have poor flatness and rough textures, easily produce particle falling-off during equipment operation, causing micro-contamination to precision components and wafers.
Uncontrolled thickness tolerance and surface flatness lead to poor assembly fitting accuracy, inconsistent light path spacing and unstable bearing flatness, greatly reducing product testing yield and equipment repeatability.
Our Customized Quartz Plate Solution
99.99% High-Purity Quartz Substrate: Adopt ultra-high-purity fused silica raw material with extremely low metal ion and hydroxyl content. The substrate features excellent chemical inertness, high temperature resistance and ultra-low defect rate, ensuring no impurity precipitation or contamination in high-precision working environments.
Ultra-Precision Double-Sided Polishing Process: Implement professional double-sided mirror polishing technology. The quartz plate achieves ultra-high flatness with no scratches, no pits and no micro-particles on both surfaces, ensuring uniform light transmission and stable optical path performance.
Secondary Stress-Relief Annealing: All finished quartz plates undergo high-temperature annealing treatment to eliminate internal processing stress. The products feature extremely low thermal expansion coefficient, effectively resisting deformation and warping during repeated temperature changes.
Ultra-Clean Superfinishing Treatment: Adopt multi-stage ultra-clean acid cleaning and dust-free packaging procedures. The surface maintains high cleanliness and high light transmittance, adapting to UV optical systems, semiconductor auxiliary processes and high-purity experimental environments.
Multi-Size & Precision Customization: Support customized thickness, dimensions, edge chamfering and ultra-flat surface processing. Standard square, round and special-shaped quartz plates are available to meet optical detection, equipment isolation, wafer bearing and laboratory high-temperature matching requirements.
Project Achievements & Customer Feedback
We completed sample confirmation, precision dimension testing and stable batch delivery. All customized ultra-flat high-purity quartz plates passed strict flatness inspection, light transmittance testing, high-temperature stability testing and cleanliness detection.
After long-term equipment operation and debugging, the customized quartz plates maintain excellent working performance. No deformation, warping or light attenuation occurs under continuous high-temperature and UV radiation conditions. The ultra-clean and ultra-flat surface effectively avoids particle contamination and optical deviation, greatly improving detection accuracy and product yield. Stable dimensional consistency ensures precise assembly and long-term equipment operational stability, helping the client reduce maintenance costs and upgrade overall product competitiveness.
