Product details
VY Optics could manufacture varied fingerprint prisms, it's 17.89mm prism on the picture, our company manufacture 100K pcs per month for such 17.89mm fingerprint prisms.
1. Mainly usage of fingerprint prism
This fingerprint prisms are mainly used in capturing system and input system of the fingerprint device, now it is the most widely used prism in fingerprint recognition device.
2. Description for Fingerprint prism
After the LED light going through the uniform frosting surface of the prism, it became a kind of uniform light, when one's finger touch the interface of the capturing system, the fingerprint data will enter into the system through the light path, then the capturing work finished.
3. Advantage for Fingerprint prism
This kind of prism belongs to low-end fingerprint device, which with a bit simple light path, So, the whole capturing system cost is relatively low.
4. Specification of fingerprint prism
|
1
|
Type |
fingerprint prism |
| 2 |
Materials |
BK7 or H-ZK3 or H- ZF1 ect. |
| 3 |
Dimensions Available |
1.5 mm to 150mm |
| 4 |
Dimensions Tolerance |
± 0.15mm |
| 5 |
Angle Tolerance |
± 3 arc min |
| 6 |
Surface Quality |
60/40 |
| 7 |
Flatness |
lambda /4 |
| 8 |
Chamfer |
0.2mmX45degree |
| 9 |
Surface Accruacy |
lambda/4 @ 632.8nm |
| 10 |
Clear Aperture |
>90% |
| 11 |
Coating |
Black paint or customized |
Besides, VY Optics could also manufacture specially according to customers' requirement, please feel free to contact with us if there is any inquiry of fingerprint prism. Thanks.
For shipment of prism, every product is strongly packed by carton box with foam inside.
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