INFORMATION RECORDING MEDIUM

An information recording medium includes a substrate; a laser marking layer that has a reduced reflectance to light with a wavelength of 780 nm or more and that is discolored by irradiation with laser light, the laser marking layer being provided on the substrate; and a shielding layer that transmit...

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Bibliographic Details
Main Authors Matsuda Masaru, Morikawa Tomoya, Shinozaki Hideaki, Iikuma Akihiro, Saito Katsumi
Format Patent
LanguageEnglish
Published 04.05.2017
Subjects
CALCULATING
COMPUTING
CORRECTION OF TYPOGRAPHICAL ERRORS
COUNTING
HANDLING RECORD CARRIERS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PHYSICS
PRESENTATION OF DATA
PRINTING
RECOGNITION OF DATA
RECORD CARRIERS
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:An information recording medium includes a substrate; a laser marking layer that has a reduced reflectance to light with a wavelength of 780 nm or more and that is discolored by irradiation with laser light, the laser marking layer being provided on the substrate; and a shielding layer that transmits infrared light, and that absorbs or reflects visible light, the shielding layer being provided on the laser marking layer.
Bibliography:Application Number: US201615335292