Invention Application
US20170011247A1 SHEET BODY, STEROSCOPIC OBJECT, AND INFORMATION CODE READING SYSTEM 审中-公开
表格身体,STEROSCOPIC对象和信息代码阅读系统

SHEET BODY, STEROSCOPIC OBJECT, AND INFORMATION CODE READING SYSTEM
Abstract:
A sheet body 30 includes first and second sheets 40 and 60 that transmit infrared radiation. A rear face of the first sheet 40 is opposed to a front face of the second sheet 60. An information code is marked on a front or rear face of the second sheet 60 by using an infrared absorbing material. The rear face of the first sheet 40 and the front face of the second sheet 60 are stuck together with a highly infrared transmitting adhesive. The front face of the first sheet 40 is marked with a pattern using an infrared transmitting material that is visible when visible radiation is irradiated onto the pattern.
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