Size down from 750×850 to 400×550! The pattern position measurement is being taken with an image measurement machine.
This is an introduction to a case study of special processing technology for non-alkali glass (size reduction). When processing mask substrates that are patterned with high precision and accuracy, the challenge was to cut them without damaging the appearance and to finish the pattern position as required. To address this, we applied masking, performed cutting, and used a machining center equipped with a camera for positioning and shaping. Furthermore, we ensured that the external dimensions met the requirements, and by measuring the pattern position with an image measurement machine, we were able to satisfy our customers, leading to repeat orders. [Case Overview] ■ Request: To reduce the size of a patterned mask substrate to a smaller dimension ■ Product Specifications: Etched position requires an accuracy of ±0.05 Appearance (scratches, etc.) must have a defect rate of "0" under high-brightness lamps ■ Material: Non-alkali glass ■ Size: Reduced from 750×850 to 400×550 ■ Product Details: Request for size change of the existing product's glass (position and appearance are important) *For more details, please refer to the PDF document or feel free to contact us.
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Tokyo Special Glass Co., Ltd. has been dedicated to glass processing since its establishment and is currently a company that primarily handles ultra-precision polishing processes, including substrates for LCD photomasks and automotive mirrors. For chemical strengthening and glass polishing (quartz and blue plate) photomasks, please feel free to consult with us.