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Hikvision II QR Code Vision Calibration Target High Contrast Non Reflective
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 |
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