Welcome To CMTI

The Central Manufacturing Technology Institute (CMTI) being a National Research and Development organization stands as a pioneering force, dedicated to shaping the manufacturing landscape through its unwavering focus on science, technology, and innovation. By driving the development of new technologies, catering to customer needs, providing valuable services, and fostering an environment of advanced technology intervention, CMTI solidifies its position as a catalyst for growth, progress, and excellence in the manufacturing industry.

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High Precision Optical Calibration Masks

Salient Features:

  • Calibration of Imaging, Optical and Microscopy equipments etc.
  • Substitute for import items.
  • Coatings: Chrome (bright & anti-reflective), aluminium Iron oxide etc


  • Size varies from 0.3”x0.3” to 8”x 8”
  • Feature to feature accuracy down to 1 μm

Work piece accuracies:

Level of Development:


Status of Commercialization:

Ready for Technology Transfer

Major Raw materials Utilised:

Double side polished Borosilicate, BK7, Soda lime, fused silica and quartz.

Major Plant Equipment and Machines required:

  • High Precision Pulsed UV Laser Micromachining System
  • Thin film coating system
  • High resolution optical microscope


Techno economics:

  • Indigenous development of technology and having high potential in commercialization of artefacts development
  • Thin cost of the calibration masks will be 1/10th of the cost of imported mask with same accuracy.




Technology Package

Design of Mask, Process Technology for Laser Machining, Thin film coating technology.