Title:
FIBER-REINFORCED RESIN SHEET, SHUTTER DEVICE AND OPTICAL INSTRUMENT
Document Type and Number:
Japanese Patent JP2019098747
Kind Code:
A
Abstract:
To reduce warpage with a simple configuration in a fiber-reinforced resin sheet.SOLUTION: The fiber-reinforced resin sheet of the present invention is a fiber-reinforced resin sheet, and on both surfaces of the fiber-reinforced resin sheet, a plurality of convex portions are formed along a surface direction, and an uppermost surface of the plurality of convex portions is a concave surface. The fiber-reinforced resin sheet is preferably used in a shutter device as a shutter blade. The shutter device using the fiber-reinforced resin sheet of the present invention in the shutter blade is preferably used for an optical instrument.SELECTED DRAWING: Figure 5
Inventors:
MARUYAMA NAOAKI
ONOSAKA JUNICHI
YOSHIKAWA MUNETOSHI
IGAWA MIZUHO
ONOSAKA JUNICHI
YOSHIKAWA MUNETOSHI
IGAWA MIZUHO
Application Number:
JP2018221892A
Publication Date:
June 24, 2019
Filing Date:
November 28, 2018
Export Citation:
Assignee:
CANON DENSHI KK
International Classes:
B29C70/20; B29C43/34; B29C44/00; B29C44/12; B29C70/42; G03B9/00; G03B9/02; G03B9/36