Grating part and manufacturing method thereof
A grating part includes a first transparent substrate having an optical grating on a first principal surface and a second transparent substrate having an optical grating on a first principal surface; a second principal surface of the first substrate on an opposite side from the first principal surfa...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A grating part includes a first transparent substrate having an optical grating on a first principal surface and a second transparent substrate having an optical grating on a first principal surface; a second principal surface of the first substrate on an opposite side from the first principal surface and a second principal surface of the second substrate on an opposite side from the first principal surface are bonded. |
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