Invention Grant
- Patent Title: Infrared reflective patterned product including oriented tabular metal particles
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Application No.: US15602837Application Date: 2017-05-23
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Publication No.: US10215893B2Publication Date: 2019-02-26
- Inventor: Naoharu Kiyoto , Yuki Nakagawa
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-242188 20141128
- Main IPC: G06K7/10
- IPC: G06K7/10 ; G02B5/09 ; G02B5/12 ; G02B5/26 ; G06F3/0354 ; G06F3/042 ; G06F3/03

Abstract:
An infrared reflective patterned product includes an infrared reflective pattern portion which has an infrared reflective material in a region constituting at least a part of a support. The infrared reflective pattern portion has an uneven structure which includes a plurality of protruding or recessed portions. Metal particles are contained on surfaces of the protruding or recessed portions. The particles include 60 number-percent or greater of tabular metal particles in a hexagonal or circular shape, and the tabular particles which are plane-oriented so that an angle between a principal plane of the particle and a surface of the uneven structure closest to the particle is in a range of 0° to ±30° are adjusted to be 50 number-percent or greater of all tabular metal particles. In the patterned product, the ratio of the reflectance of the infrared reflective pattern portion at a wavelength with the highest reflectance in an infrared region of 780 nm to 2500 nm to the reflectance of a non-pattern portion is large in a case where the infrared reflective pattern portion is obliquely irradiated with infrared rays.
Public/Granted literature
- US20170261661A1 INFRARED REFLECTIVE PATTERNED PRODUCT Public/Granted day:2017-09-14
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