Sapphire Components Processing

Ultraopto - Sapphire Components Processing Capabilities

Sapphire components are high-performance optical elements with excellent properties such as high hardness, high temperature resistance, corrosion resistance, and high transmittance (covering UV to IR bands). Ultraopto specializes in the precision processing of sapphire components, including sapphire windows, sapphire lenses, sapphire prisms, and custom sapphire optical parts, widely used in aerospace, laser systems, medical equipment, automotive optics, and other harsh environment applications. We have a professional sapphire processing production line, equipped with advanced hard and brittle material processing equipment, and implement strict precision control in each process to ensure the stability and reliability of products. The detailed processing capabilities, adopted equipment and achievable precision are shown in the following table:

Processing Process	Adopted Professional Equipment	Achievable Precision Index	Applicable Products
Sapphire Substrate Cutting	Diamond wire cutting machine, CNC precision slicing machine	Dimensional tolerance: ±0.005mm; Cutting surface roughness: Ra≤0.1μm; Thickness tolerance: ±0.003mm; Edge chipping: ≤0.02mm	Sapphire substrates for windows, lenses, prisms, and custom components
Rough & Fine Grinding	High-precision CNC grinding machine, diamond grinding wheel grinding system	Surface flatness: ≤0.002mm; Surface roughness: Ra≤0.3μm; Parallelism: ≤0.003mm; Angle tolerance (for prisms): ±1″	Sapphire blanks (windows, lenses, prisms) after cutting
Ultra-precision Polishing	Magnetorheological finishing (MRF) machine, CNC ultra-smooth polishing machine	Surface roughness: Ra≤0.2nm (ultra-smooth surface); Surface shape accuracy: PV≤λ/15~λ/20 (@633nm); Local slope error: ≤0.002λ/cm	High-precision sapphire windows, lenses, and prisms for laser/imaging systems
Edging & Chamfering	CNC precision edging machine, diamond chamfering tool	Edge dimensional tolerance: ±0.003mm; Chamfer angle: 45°±1°; Radial runout: ≤0.001mm; Edge smoothness: Ra≤0.1μm	All finished sapphire components requiring edge processing
Ultra-purification Cleaning	100-level clean room multi-tank ultrasonic cleaning machine, plasma cleaning equipment, low-temperature vacuum dryer	Surface particle grade: Class 50 (≤0.2μm particles, no visible contaminants); No chemical residue; Surface hydrophobicity: Contact angle ≥105° (optional)	All finished sapphire optical components
Optical Coating	High-vacuum ion beam sputtering (IBS) coating machine, electron beam evaporation coating machine	Coating thickness tolerance: ±0.5nm; AR transmittance: ≥99.7% (UV/visible/IR bands); HR reflectance: Up to 99.99%; Coating adhesion: Grade 1 (ISO standard)	Coated sapphire windows, lenses, and prisms for high-performance optical systems
Full-process Precision Detection	Zygo interferometer, atomic force microscope (AFM), laser profilometer, high-precision thickness gauge	Surface shape detection: λ/25 (@633nm) resolution; Roughness detection: 0.001nm resolution; Thickness detection: ±0.001mm; Optical performance error: ±0.03%	All sapphire components (semi-finished/finished products)

Core Advantages of Sapphire Components Processing

Hard and Brittle Material Processing Expertise: 

Master the core processing technology of sapphire (a typical hard and brittle material), effectively solving the problems of chipping, cracking and low precision in processing, ensuring stable product quality.

High-precision Control: 

Equipped with advanced CNC processing and detection equipment, the whole process is monitored online, and the key precision indicators such as surface roughness and flatness reach the international advanced level.

Full Customization Capability: 

Support customized processing of sapphire components of various specifications (size, shape, surface type), and can fully match customer needs according to technical drawings and application scenarios.

High-performance Coating Technology: 

The IBS coating technology ensures the uniformity and adhesion of the coating, and the coated sapphire components can adapt to harsh environments such as high temperature and strong corrosion.

Strict Quality Control: 

From substrate cutting to finished product delivery, a full set of quality inspection procedures are implemented, with a finished product qualification rate of over 99%, meeting the high-standard requirements of high-end industries.