Opto Engineering® - 20 years
Home Accessories PTTC, PTCP series
Compatible products
Dimensions (mm x mm) 33 x 26
Thickness (mm) 3
Active area (mm x mm) 15 x 13
marging (mm x mm) 0.3 x 0.1
Squares width (mm) 0.20
Photomask type (mm) Chrome-on-glass
Substrate (mm) Soda lime glass
Surface quality (MIL-13830B) 60/40
Class (1) 2
Grade (1) -
Certificate (2) Yes

Last update 20 Feb 2024



  1. Class number (2*) for Emulsion-on-glass photomasks differs from usual Chrome-on-glass. Specifications are in the tech info section.
  2. Download CoC Format Pattern facsimile
All product specifications and data are subject to change without notice to improve reliability, functionality, design or other. Photos and pictures are for illustration purposes only.

Technical documents

Product user guide
CoC Format


Download datasheet
Despite the efforts made to generate an error-free compatibility list, we always recommend to consult the Opto Engineering® technical support department before purchasing a compatible product. Opto Engineering® shall not be liable for any damage or malfunctioning caused by the incorrect selection of a compatible product.
CMPH series
CMPH series
Holders for calibration patterns
Pattern holder
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