Title:
多層フィルム、多層フィルム複合体、光学部品、及び窓
Document Type and Number:
Japanese Patent JP6919248
Kind Code:
B2
Abstract:
To provide a multilayer film, wherein a reflectance of the multilayer film in a visible light region and a reflectance of the multilayer film in a near infrared region are both 0.1% or more but 20% or less in a temperature range of 5° C. or more but less than 30° C., and the reflectance of the multilayer film in the visible light region is 0.1% or more but 20% or less and the reflectance of the multilayer film in the near infrared region is 80% or more but less than 100% in a temperature range of 30° C. or more but less than 60° C.
Inventors:
Koji Iwasaki
Application Number:
JP2017054793A
Publication Date:
August 18, 2021
Filing Date:
March 21, 2017
Export Citation:
Assignee:
株式会社リコー
International Classes:
G02B5/26; B32B7/023; G02B5/28
Domestic Patent References:
| JP2011521301A | ||||
| JP2014040035A | ||||
| JP9029882A | ||||
| JP2011141325A | ||||
| JP6011608A | ||||
| JP2004037830A | ||||
| JP2016080782A | ||||
| JP2002525679A | ||||
| JP2002509279A |
Foreign References:
| CN104385713A | ||||
| CN102757184A | ||||
| CN102030485A | ||||
| US6391400 |
Attorney, Agent or Firm:
Koichi Hirota