Ultra-precision grinding processing! Introduction to the business of Nitto Co., Ltd.
Nitto Corporation develops and manufactures glass substrates used in LCD (liquid crystal display panels) and hard disks as a manufacturer of flat glass, which is essential for information devices. In polishing processing, we pursue smoothness precision to the utmost limit, boasting a smoothness precision of 2 angstroms with our in-house developed equipment and high technical skills, meeting the needs of various high-tech industries including office automation equipment, telecommunications, home appliances, AV, and medical devices. In quality control, we provide highly reliable products under meticulous and stringent quality inspections in a clean room that maintains a high-level environment with a cleanliness class of 100. 【Features】 ○ Extreme smooth polishing processing ○ Highly reliable quality control ○ Thorough environmental management system ○ Monthly processing achievements of over several million pieces ○ Versatile cutting, chamfering, and centering processing ○ ISO 9001 certification obtained ○ ISO 14001 certification obtained For more details, please contact us or download the catalog.
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basic information
【Main Equipment (Grinding Processing)】 ○ Number of grinding machines: More than 100 units ○ Supported sizes → Double-sided: 1300×1500mm or smaller → Single-sided: 850×1400mm or smaller ○ Precision → Flatness: 1μm or less → Parallelism: 1μm or less → Surface roughness: 1Å or less ○ Supported plate thickness: Double-sided grinding 0.05mm or more ○ Measuring instruments: → Atomic Force Microscope (AFM) → Particle Size Analyzer → Differential Interference Microscope → Laser Interferometer → Oblique Incidence Laser Interferometer → Flatness Tester (for photomask blanks) etc. ○ Supported materials: → Soda-lime glass → Quartz → Heat-resistant glass → Low thermal expansion glass → Optical glass → Low Tg optical glass → Alkali-free glass → Alumina → Zirconia → Lithium Tantalate (LT) → Lithium Niobate (LN) → Polycarbonate → Acrylic → Epoxy resin → PPS etc. 【Products Handled】 ○ Glass substrates for LCDs ○ Glass substrates for hard disk drives ○ New ceramics ○ Brittle materials ○ Magnetic materials ○ Filter glass for electronic and optical applications etc. ● For more details, please contact us or download the catalog.
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Applications/Examples of results
【Achievements】 ○ Thinning of LCD panels to 0.2mm ○ Thinning of individual LCD panels to 0.1mm ○ Improvement of polycarbonate parallelism ○ Wafer support glass ○ Mobile phone and smartphone components ○ Achievements in round processing sizes ○ Unbalanced polishing on both sides ○ Sapphire ○ Quartz, etc. ● For more details, please contact us or download the catalog.
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Company information
Nitto Corporation engages in the processing and manufacturing of electronic components, optical components, and mechanical parts, specializing in precision flat grinding and processing of glass flat surfaces, as well as precision flat grinding for LCD panels and photomasks. We offer a wide range of processing services, from small quantities of various types to large-scale, cost-effective processing. Utilizing precision flat processing as our core technology, we employ unique processing techniques for cutting, grinding, and shaping various materials, including supplied materials, glass, ceramics, metals, and special resins, transforming them into electronic and optical components for our customers.
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