Title:
LIGHT SHIELDING BLADE AND IMAGE PICKUP APPARATUS
Document Type and Number:
Japanese Patent JP2021148946
Kind Code:
A
Abstract:
To provide a shutter blade that suppresses vibration caused by the impact when a shutter is stopped, has heat resistance, and is compact, light in weight and inexpensive.SOLUTION: A light shielding blade 2 is a laminate in which a resin layer 8 is sandwiched between two metal base materials 7, where the metal base materials 7 each have a specific rigidity of 20×106[Pa m3/kg] or more and a specific bending rigidity of 1.0[Pa1/3 m3/kg] or more, and where the resin layer 8 has an elastic modulus of 1 GPa or more and a thickness of 65 μm or less.SELECTED DRAWING: Figure 2
Inventors:
TAMIYA HIROYO
Application Number:
JP2020048569A
Publication Date:
September 27, 2021
Filing Date:
March 19, 2020
Export Citation:
Assignee:
CANON KK
International Classes:
G03B9/36; C09J11/06; C09J11/08; C09J163/00; H04N5/225
Attorney, Agent or Firm:
Yoshihiro Yamaguchi
Keisuke Watanabe
Keisuke Watanabe