Manufacture method for blazed concave grating
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United States of America Patent
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Oct 18, 2016
Grant Date -
May 12, 2016
app pub date -
Dec 29, 2015
filing date -
Sep 29, 2013
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Abstract
A manufacture method for a blazed concave grating is provided, including: replicating a blazed concave grating by means of a replication process, after the replication is completed, conducting heat preservation and cooling, then separating two gratings (G1, G2) by using different pulling manners respectively, and finally splicing the replicated and separated concave grating blanks, to obtain a required blazed concave grating. This manufacture method can solve the problem of a big error in an existing replication method for a blazed concave grating.
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