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| The quartz crystal has a better balance in both thermal conductivity and cost when it is compared with the current sapphire or glass substrate. |
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| Standard specification |
Substrate having other dimensions |
| Item |
Specification |
| Outer dimensions (tolerance) |
40 40 mm max. ( 0.2 mm) |
| Thickness (tolerance) |
0.3 mm min. ( 0.1mm) |
| Angular tolerance of optical axis |
±1° |
| Defect |
 100 μm |
| Reflectivity (one side AR coating) |
< 1 % (420 to 680 nm) |
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| Dimension (mm) |
Thickness (mm) |
| 36×30 |
0.7 |
| 28×22 |
0.5 to 0.7 |
| 25.5×25.5 |
2.0 |
| 23.5×20 |
0.5 to 1.4 |
| 20×18 |
0.5 |
| φ26×16 |
1.4 |
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*Substrate with/without AR coating is available.
*Chamfer of each corner or edge is available.
*Substrate for special requirement is available. |
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