Dongguan Dafan Optical Technology Co., Ltd.
| Payment Terms | T/T |
| Specification | The Precision Can Reach 1um, And The Size Can Be Customized Up To 1.68*3500mm According To Different Materials |
| Delivery Time | 5 Work Days |
| Material | Glass, Ceramic, Film, Aluminum Can Be Customized |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc |
| Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS |
| Certification | ISO9001 |
| Place of Origin | China |
| Brand Name | DFOPTIX |
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Product Specification
| Payment Terms | T/T | Specification | The Precision Can Reach 1um, And The Size Can Be Customized Up To 1.68*3500mm According To Different Materials |
| Delivery Time | 5 Work Days | Material | Glass, Ceramic, Film, Aluminum Can Be Customized |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc | Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS | Certification | ISO9001 |
| Place of Origin | China | Brand Name | DFOPTIX |
| High Light | DM Code Calibration Board ，High Precision Camera Calibration Board ，DM Code Camera Calibration Board | ||
DM Code Calibration Board
The QR Code Calibration Board is designed for high-precision camera and vision system calibration, supporting both intrinsic and extrinsic parameter adjustment. By integrating QR codes with unique IDs, it enables robust and accurate feature point detection, even in complex environments. The board ensures reliable distortion correction and coordinate system alignment, making it suitable for multi-camera setups or camera-to-robot calibration. Available in various sizes and made with durable materials, it is widely used in industrial automation, 3D reconstruction, and precision measurement. Compatible with Hikvision cameras, SDKs, and common vision libraries, it provides stable and efficient calibration solutions.
Product Features: Micron-level high precision, high contrast, non-reflective, clear and easy to identify, High precision (with a maximum accuracy of 1um),supports multi-format drawing customization
Applicable scenarios: Machine vision calibration (security, film and television, medical, camera, drone camera, photography studio, scientific research instruments, and other equipment)
Substrate: The substrate for the QR code calibration plate is optional, and different substrates (such as glass, ceramic, aluminum plate, etc.) can be customized according to different usage scenarios, environments, and accuracy requirements.
Glass substrate parameters:
| Design |
Substrate |
||
|
Manufacturing Process |
Photolithography |
Glass substrate |
Quartz glass (fused silica)/soda glass |
|
Minimum line width |
1µm / 0.55µm |
Transmittance rate(@550nm) |
>95% |
|
Feature accuracy |
±1µm |
Coefficient of thermal expansion (20-200°C) |
<5.0×10⁻⁷/K |
|
Coating |
Yellow chromium, bright chromium , blue chromium (low reflectivity) |
Expansion ratio(20-200°C) |
0.00006% (0.6µm/°C of 1m) |
|
Reflectance |
< 13.4% @550nm |
Surface flatness |
<0.55µm (length<50mm) |
|
< 1.8% @650nm |
<2µm (length<100mm) |
||
|
< 2.67% @750nm |
<5µm (length>100mm) |
||
|
Coating accuracy |
120nm (±0.20nm) |
Surface roughness |
<0.025µm |
|
Optical density OD |
Yellow Chromium 3 (Blue 5) |
Thickness |
1mm,1.6mm,2.3mm,3mm(±0.2mm)(500*500*4.8) |
|
White background |
Minimum line width:10µm |
Minimum/maximum size |
Min: 2×2 mm |
|
White background thickness: 40 µ m (smooth white coating on the back) |
Max: 800×960mm (±0.1mm) |
||
|
Positive & negative shapes |
Positive: pattern opaque Negative: pattern translucent |
Appearance and shape |
Square |
Company Details
Business Type:
Manufacturer
Year Established:
2018
Total Annual:
$12000000-$15000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Dongguan Dafan Optical Technology Co., Ltd.(DFOPTIX) was founded in 2018, its headquarters located in Dongguan City, Guangdong Province, China. DFOPIX is a system-level calibration solutions service provider with engineering culture as its cornerstone and technological innovation as its core. Curren... Dongguan Dafan Optical Technology Co., Ltd.(DFOPTIX) was founded in 2018, its headquarters located in Dongguan City, Guangdong Province, China. DFOPIX is a system-level calibration solutions service provider with engineering culture as its cornerstone and technological innovation as its core. Curren...
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