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Small Format Chrome Resolutions

The following information refers to chrome-coated glass plates up to a maximum of 227 mm in size. Select a writing class to compare feature capability and dimensional accuracy.

Four resolution classes1 µm minimum featureUp to 200 mm pattern size
CLASS 4Features ≥1 µmBest edge qualityCLASS 3Features ≥2 µmSharp edgesCLASS 2Features ≥4 µmGood qualityCLASS 1Features ≥8 µm

µmrecommended minimum

Physical limitMay resolve; quality is not guaranteed
Preferred minimumNormally acceptable, subject to geometry
Recommended minimumExpected edge and corner quality

Check a critical feature

Enter the feature size and measurement distance to calculate the expected tolerances.

Accuracy basis

The dimensional tolerance shown is based on writing-stage resolution under our controlled production conditions of 21°C and 50% relative humidity. It does not include expansion or contraction caused by later changes in the material’s temperature or humidity.

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Small-format capabilities

Substrates, coatings, sizes and custom options available for this production route.

SIZE & RESOLUTION
Resolution classes
Class 1–4
Smallest feature
1 µm at Class 4
Largest image
200 mm
Thickness
0.5–3 mm standard
BASE MATERIALS
  • Soda-lime glass
  • Borosilicate glass
  • Quartz glass
  • White glass
  • Crown glass
PATTERN COATINGS
  • Chrome
  • Blue chrome oxide
  • Brown chrome oxide
  • Aluminium
CUSTOMISATION
  • Bespoke sizes
  • Bespoke shapes
  • Colour coatings
  • Anti-glare
  • Anti-reflective