Title:
WAVELENGTH SELECTION ELEMENT AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2022033131
Kind Code:
A
Abstract:
To provide a wavelength selection element comprising two substrates that are reliably aligned and fixed to each other with a predetermined distance therebetween, and to provide a method of manufacturing the same.SOLUTION: A wavelength selection element comprises a pair of light-transmissive substrates 11 having principal surfaces that face each other with a gap therebetween; a pair of reflective films 12 formed on the opposing principal surfaces to face each other with an optical distance therebetween; a bonding section 13 designed to bond the pair of substrates together and made of a curable adhesive having a cured hardness that is less than that of the pair of substrates; and a contact section 14 at which the pair of substrates come into direct contact with each other to define the gap.SELECTED DRAWING: Figure 5
Inventors:
KITAZAWA SHOGO
Application Number:
JP2021195895A
Publication Date:
February 28, 2022
Filing Date:
December 02, 2021
Export Citation:
Assignee:
PIONEER ELECTRONIC CORP
International Classes:
G02B26/00; B81B3/00; G02B5/20
Domestic Patent References:
| JP2017009672A | 2017-01-12 | |||
| JP2010072196A | 2010-04-02 | |||
| JP2011112999A | 2011-06-09 |
Attorney, Agent or Firm:
Patent Business Corporation Lexto International Patent Office