| 摘要 |
1371923 Reflective blazed hologram XEROX CORP 21 Oct 1971 [23 Oct 1970] 21869/74 Divided out of 1371922 Heading G2J A reflective blazed hologram is made from one blazed at a different light wavelength by replicating the first hologram on to a material that can be made to undergo an isotropic dimension change, actuating the change and thus re-replicating on to a second substrate that will respond to light of a second wavelength.
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