Double Side Polished Sapphire Windows For Fingerprint Recognition Applications - China

Al2O3 sapphire glass lens for window, sapphire led substrates .

optical glass lens by sapphire, sapphie crystal glass 1 - SapphireFeature + can be customized as design size, shape, bevel chamfer, tolerance, artwork; + have normal size in stock; + Widely uesd for watch glass, optical window, lens, militry etc; + The material is synthetic sapphire(hardness 9H) ; + Flatness: <20m; + Surface quality: 40/20; Sapphire is one of the hardest materials, and possesses very good transmission during the range of visible and near IR spectrum.

It is widely used as optical window in infrared and far infrared military equipments, apparatus and instruments of satellite and space technology, and navigation and spaceflight, such as night infrared scope/sight and night vision camera, etc.

The sapphire crystal window is intensively applied in high-tech fields.

Sapphire optical windows are ideal for applications where high pressure, vacuum, or corrosive atmospheres are a consideration.

Sapphire, a single crystal form of Al2O3, is resistant to attack by strong acids due to its high dielectric constant.

It has high compressive strength and a high melting point.

It is also resistant to UV radiation darkening.

Property Specification Thickness 0.5-50mm Size tolerance 0.005mm Edge Finish Ground and beveled Surface Quality commen40-20 scratch-dig Surface Flatness the best/4 @ 633 nm Parallelism 3 arc min (0.9 mrad) Clear Aperture >80% of central diameter Hardness (Knoop) 1370 kg mm-2 Young's modulus 3.4 x 1011 N m-2 Thermal Limit 22 W m-1 K-1 Thermal expansion coefficient8.4 x 10-6 K-1 Our company provide the sapphire single crystal wafers by KY method, we can supply sapphire ingot(2inch, 4inch, 6inch, 8inch), sapphire wafer(single/double side polishing), sapphire block, all kinds of sapphire optical window(applied to optical equipment, industry camera, cell phone watches and other special optical components), if you have any requirements, please contact us, looking forward to your cooperation.

Sapphire applications: 1 - LED substrate 2 - mobile cover glass appliations 3 - wrist watch and other consumer electronics cover glass 4 - fingerprint recognition applications 5 - Military applications 6 - laser matrix optical element applications 7 - sapphire seed for crystal grow 8 - artifical jewelry 9 - mecanical parts bearing applications 10 - sapphire ball fordetecting instrument 2 - Commen Size For Sapphire Lens Materials: 99.999 sapphire optical grade, no bubble, color and[crystal boundar].

size: dia0.5~dia300mm size: Dia10x0.5mmt(picture s sample size) Orientation: C(0001)1, (A, R, M, C ok) Tolerance: 0.03mm(the best on 0.01mm) surface: double side poshlied (1sp also ok) Ra: 0.5nm (commen 0.3nm) SD: 40/20, 60/40 ( commen 40/20) Flatnees: 1/2 Lambda(or 1/4, 1~2, is ok) specification for led substrates - - - - Crystal Materials | 99.995% High Purity, 2-3 Grade Monocrystalline Al2O3 | Wafer Surface Orientation | C-axis(0001) offset to M (1-100) / A (11-20) 0.20.05 / 0.30.1 / 0.25 | Diameter | 50.8mm 0.1mm / 76.2mm 0.25mm / 100.0 0.4mm / 125.0 0.3mm / 150.0 0.3mm | Thickness | 330um 10um | 430um 10um | 500um 15um | Major Flat | A-axis (1 1-2 0) 0.2 | Major Flat Length | 16.0mm 1.0mm / 22.0mm 1.0mm / 32.5 1.0mm / 47.5 2.5mm | Minor | None | Front Surface Finish | Epi polished, Ra< 0.20nm | Back Surface | SSP: Fine ground, Ra 0.4 to 1.0um; DSP: Polished | Edge condition | Edge defects not to exceed SEMI M3-91 | TTV | <15um | <10um | <10um | BOW | <15um | <10um | <10um | Warp | <15um | <10um | <10um | Bubble & Color | None by visual inspection in intensive light | Ground Boundary | None by visual inspection in fluorescent light | Cleanliness | Free visible contamination | Packaging | Packaged in a class 100 clean room environment, in cassettes of 25pcs or single fluroware, under a nitrogen atmosphere.

| Note | R-plane (1-1 0 2), A-plane (1 1-2 0 ), and M-plane(1-1 0 0) are available; Customer's specification not listed above is also available upon request.

| - - - - 3 - Our products other shape and size which we can provide We also supply professional other semiconductor wafers aslike below

Company Contact:

• Posted By: SHANGHAI FAMOUS TRADE CO.,LTD

• Phone: 86-512-36829962

• Address: Rm1-607,No.231,Lvdi Road, Huaqiao town, Kunshan city,jiangsu Province, Kunshan , Jiangsu , China

• Email:

• Website: https://www.galliumnitridewafer.com

• Business Description: As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us.