Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion
Discussion Forum : Electronic Devices and Circuits - Section 4 (Q.No. 22)
22.
For a photoengraving the mask used is
Answer: Option
Explanation:
The mask that is prepared first is called the master mask made from glass substrates covered by thin chromium film.
From the master masks are prepared working masks by contact pointing and used for Photolithography which means Photo engraving.
Discussion:
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