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    月月娱乐



    The manufacture of TFT-LCDs requires a set of several photomasks. The required accuracy is in the submicron order (0.1 micron = 1/10000 mm), which is extremely accurate. This accuracy must be realized for the entire set. In other words, it is not sufficient to accurately manufacture one photomask, but the same accuracy level is required for the assembly of the photomasks as a set.

     

     

    1mm

    =1/10 cm

    =1/1000 m

    =1,000 um

    =1,000,000 nm


     

     

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