IMMERSION DIFFRACTION ELEMENT AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Sep 26, 2022
filing date -
Sep 26, 2022
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Abstract
Provided is an immersion diffraction element easily producible and capable of increasing the degrees of freedom in the design of a diffraction portion. An immersion diffraction element 1 includes a prism portion 2 and a diffraction portion 4, wherein the prism portion 2 and the diffraction portion 4 are made of amorphous glass.
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