technofile : smart etchings - circuit board assembly

by:MERITSUN     2020-01-31
technofile : smart etchings  -  circuit board assembly
Japanese telephone company Japan Telegraph and Telephone Company can now etching circuit boards twice as accurately as before.
The system uses a beam of electrons: NTT's basic research laboratory has cut the vibration of the beam to a sufficient position with an error of only 5 nanometers.
This is mainly achieved by installing the lens of the focused beam and the circuit board on the same platform.
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