IMMERSION DIFFRACTION ELEMENT AND METHOD FOR PRODUCING SAME

Title:

IMMERSION DIFFRACTION ELEMENT AND METHOD FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2023/058474

Kind Code:

A1

Abstract:

Provided is an immersion diffraction element which is easy to produce and which makes it possible to improve the degree of freedom in the design of a diffraction part.　An immersion diffraction element 1 comprises a prism part 2 and a diffraction part 4, wherein the prism part 2 and the diffraction part 4 are each made of amorphous glass.

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Inventors:

TOMITA MITSURU (JP)

Application Number:

PCT/JP2022/035576

Publication Date:

April 13, 2023

Filing Date:

September 26, 2022

Export Citation:

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Assignee:

NIPPON ELECTRIC GLASS CO (JP)

International Classes:

C03C3/32; G02B5/04; G02B5/18

Foreign References:

JP2021018392A	2021-02-15
JP2020177256A	2020-10-29
JP2013101280A	2013-05-23
JP2002362938A	2002-12-18
JP2011081132A	2011-04-21

Attorney, Agent or Firm:

OSAKA FRONT (JP)

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