Manufacturing method for variable shape mirror

Details Manufacturing method for variable shape mirror Manufacturing method for variable shape mirror

2007-08-08

2009-12-22

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Mirror

Including specified control or retention of the shape of a...

C359S900000, C438S069000

Reexamination Certificate

active

07635191

ABSTRACT:
Manufacturing method for variable shape mirrors suitable for mass production includes steps: for forming first grooves and second grooves along boundaries between areas to be variable shape mirrors on a surface of first wafer to be support substrate and a surface of second wafer to be mirror substrate; for arranging first and second wafer so that support pillars and piezoelectric elements are sandwiched between first and second wafer at areas with surface on which second grooves are formed facing inward for bonding; for dividing second wafer into mirror substrates by flattening process of outer surface of second wafer until at least reaching second groove; for dividing first wafer into the support substrates by breaking first wafer along first grooves; and for forming reflection film on outer surface of each of mirror substrates obtained by the dividing step.

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