The photoplotter is used to transfer the PCB layout on a photosensitive film. Two roller type phot-plotters are available in the PCB Lab. (Cadware make, Bungard make). The photo film is rolled over inner drum. On running the software in computer the laser diode moves step by step along the rotating drum by means of stepper motor driven lead screw. Moreover laser diode moving speed, resolution can also be adjustable as per requirement


PCB Fabrication Laboratory, of Electrical Engineering,
IIT Kanpur


Prof. Shyama Prasad Das

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