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 |
| Material | Glass, Ceramic, Film, Aluminum Can Be Customized |
| Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS |
| Delivery Time | 5 Work Days |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc |
| Certification | ISO9001 |
| Brand Name | DFOPTIX |
| Place of Origin | China |
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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 |
| Material | Glass, Ceramic, Film, Aluminum Can Be Customized | Supply Ability | The average monthly production capacity for calibration plates and film is 300,000 pieces |
| Shipping Option | FedEx and UPS | Delivery Time | 5 Work Days |
| Packaging Details | Carton boxes, plastic sponge boxes, customized wooden boxes, etc | Certification | ISO9001 |
| Brand Name | DFOPTIX | Place of Origin | China |
| High Light | Vision Calibration Target High Contrast ，Vision Calibration Target Non Reflective ，QR Code Calibration Target | ||
Hikvision II QR Code Calibration Board
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.
1. 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 |
2. Ceramic substrate parameters:
|
Design |
Substrate |
|||||
|
Manufacturing Process |
Photolithography |
Type |
Matte chromium on matte ceramics |
Bright chrome on glossy ceramics |
|
|
|
Type |
Matte ceramic |
Glossy ceramic |
Ceramic substrate |
Zirconia / Alumina |
||
|
Minimum line width |
4µm |
2µm |
Thickness |
1mm (±0.1mm, common) |
2mm (common) |
3mm (±0.1mm) |
|
Feature accuracy |
±2µm |
±2µm |
Surface flatness |
<30µm (length<100mm) |
<60µm (length<200mm) |
|
|
Appearance accuracy |
±0.05mm |
±0.05mm |
Surface flatness |
MIN: 2×2mm (±0.1mm); MAX: 228×228mm (±0.1mm) |
||
|
Coating |
Chromium |
Chromium |
Surface roughness |
<0.2-0.7µm |
||
|
Light coating/matte coating |
Matte chromium coating |
Bright chrome coating |
Coefficient of thermal expansion (40-400°C) |
<6.7×10⁻⁶/K |
||
|
ReflectaCnce |
< 12.88% @550nm |
< 9.56% @550nm |
Unit weight |
≥ 3.66 g/cm³ |
||
|
< 10.62% @650nm |
< 1.89% @650nm |
|||||
|
< 12.23% @750nm |
< 11.168% @750nm |
|||||
|
Coating thickness |
100-120nm |
100-120nm |
Rockwell hardness |
≥80 HRA |
||
|
Positive and negative shapes |
Positive film: opaque pattern, Negative film: transparent pattern |
Appearance and shape |
Laser cutting of any shape |
Square |
Ellipse |
|
|
Protective layer |
The thin film above the chromium layer makes the chromium pattern more durable |
Special shape |
Punch |
Chamfer |
Oblique angle |
|
3. Film substrate parameters:
|
Design |
Film substrate |
||
|
Manufacturing Process |
Lithography (Film Lithography Machine) |
Application |
Used for transmission/backlight /functional testing |
|
Minimum line width |
10 µ m/30 µ m optional |
Coefficient of expansion |
Film shrinks when heated and expands when cooled |
|
Feature accuracy
|
±10µm |
10µm/°C of 1m When the relative temperature is constant,
When the humidity changes by 1 ° C,
A film with a length of 1m will change by 10 µ m (one ten thousandth)
|
|
|
Coating |
Silver bromide |
Transmittance rate(400~700nm) |
>90% ultraviolet<(400~700nm)>infrared |
|
Coating thickness |
2µm |
Film substrate thickness |
0.18mm (±0.01mm) |
|
Optical density OD |
OD>4 when 100% black
(OD value controllable in grayscale)
|
Maximum size |
0.71×0.81m (±0.1mm)(minimum line width 10µm) 1.68×3.5m (±0.1mm)(minimum line width 30µm) |
|
color |
Black grayscale, sine grayscale |
Appearance |
Laser cutting, straight edge cutting, and circular hole hollowing are available |
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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