We consistently carry out everything from crystal growth of single crystal sapphire to cutting, grinding and polishing, PSS processing, GaN epitaxial growth, and special processing!
In the doujin industry, we mainly provide sapphire materials using the Kyropoulos method. Our sapphire substrates are produced in domestic factories as well as through contract manufacturing with reputable overseas manufacturers.
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basic information
■ Material: Single crystal sapphire ■ Manufacturing method: Kyropoulos ■ Applications: GaN epi substrates, PSS substrates, SOS substrates, optical windows, watch windows, smartphone covers, camera protection windows, smartwatch windows, and others ■ Diameter: Φ1”, Φ2", Φ2.5”, Φ3″, Φ4″, Φ4.5", Φ6″, Φ8”, special sizes available upon request * Square shapes such as smartphone cover glass are also available. ■ Thickness: 150µm to 3mm, special specifications available ■ Polished surface roughness: Ra≦0.2nm ■ Crystal orientation: C-plane, A-plane, R-plane, M-plane ■ Orientation tolerance: ±0.1°, off-angle specifications available ■ Quantity: 1 piece to tens of thousands (please feel free to consult with us.) ■ Price: We aim to offer the lowest prices in the industry.
Price range
Delivery Time
P4
※From a minimum of 3 days.
Applications/Examples of results
■ For substrates: LED field, GaN epi substrates, PSS substrates, SOS substrates, etc. ■ For windows: optical windows, smartphone covers, watch windows, etc. ■ For machinery: machine parts, machining test applications, etc.
Company information
The doujin industry provides various semiconductor materials and precision processing. We handle main products such as silicon, sapphire, SiC, GaN, quartz, alumina, and sintered SiC, and we have established a system that allows for integrated production from crystal growth to wafer processing in-house. In addition to standard semi-products, we also offer custom solutions, characterized by our flexibility in responding to requests regarding size, processing type, and quantity. We also handle crystal materials such as silicon, sapphire, SiC, GaN, LN, LT, quartz, GaAs, CaF2, MgF2, as well as consumables like quartz, fine ceramics, polishing materials, wafer cases, wire saw equipment, and diamond wires. The doujin industry is globally expanding its business from material procurement to processing. Strong support from overseas group companies, partner companies, and networks forms an important foundation of our capabilities. Through over 20 years of experience in trade between Japan, China, Korea, and Taiwan, we have built unique trade expertise and networks.
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