2 inch sapphire wafer with good price, and 2 double side polished , specially,our 2 inch sapphire wafer thickness could adjust according to your request. someone called it 2 sapphire wafer with double-side polish 2 sapphire wafer. pls contact us now.
2 Inch Sapphire Wafer With Good Price
2 inch sapphire wafer
sapphire optical windows, r-axis 2inch sapphire epi-ready substrate
sapphire wafer substrate 2 inch 3 inch 4 inch r-axis m-plane a-axis
1. description
sapphire is one of the hardest materials and has very good transmission in the visible and near ir spectrums. it is widely used as an optical window in infrared and far infrared military equipments, satellite and space technology apparatus and instruments, navigation and spaceflight, such as night infrared scope/sight and night vision camera, and so on.
sapphire optical windows are appropriate for applications requiring high pressure, vacuum, or corrosive atmospheres. sapphire, a single crystal form of al2o3, is resistant to strong acids due to its structure.
because of its high dielectric constant, it is resistant to assault by strong acids. it has a high melting point and a high compressive strength. it is also resistant to the darkening effects of uv light.
sapphire optical lens, sapphire ball, sapphire bearing, sapphire led wafer, sapphire watch glass lens
specification:
al2o3 single crystal 99.999%
orientation: 0.5° r-axis
diameter:50.8±0.1mm
43015um or 33015um thickness
161mm primary flat
of orientation flat: 45°0.1° c-plane off r to c axis (0001)
roughness of the frontside surface:ra0.2nm
roughness of the backside surface: 0.81.2um (or double side polished, both sides ra0.2nm)
ttv:＜10um bow:-10~0um warp:＜10um
laser mark series no. by requirements
containers vacuum-sealed with nitrogen backfill in a class 100 environment
clearance of visible contaminants
2 Inch Sapphire Wafer With Good Price
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