>> Product Description
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.
>> Specification
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.
>> Company Introduction
>>
Related Products
VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.
>>
FAQ
Q:
Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q:
Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q:
How to pay?
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q:
How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.
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