Laminated material with imprinted information, article on which the same is attached, method for reading information code
A technology of information codes and items, applied in the field of improvement of information reading performance, can solve problems such as high price of mechanical parts and complex device structure
Inactive Publication Date: 2006-02-22
SHISEIDO CO LTD
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AI Technical Summary
Problems solved by technology
However, this method has the following disadvantages: it is necessary to set the reading conditions in detail due to restrictions such as the irradiation angle of the light and the position of the light receiving part, the device structure is complicated, and the mechanical part is expensive.
In addition, there is a disadvantage that the laser marking conditions must be controlled in detail
Method used
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Embodiment 1
[0070] A PET film was used for the transparent material layer, and Prevail SBY-75 (manufactured by Shiseido Co., Ltd.) was used for the pearl pigment of the reflection attenuation layer.
Embodiment 2
[0072] A PET film was used for the transparent material layer, and PrevailBlue-BP (manufactured by Shiseido Co., Ltd.) was used for the pearl pigment of the reflection attenuation layer.
Embodiment 3
[0074] A PET film was used for the transparent material layer, and PrevailGreen-GR (manufactured by Shiseido Co., Ltd.) was used for the pearl pigment of the reflection attenuation layer.
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The present invention aims to provide a laminated material with imprinted information readable at high read accuracy without using any special reader and without marring the design of the product. The laminated material (10) has a low-reflectance section (18) and a high-reflectance section (16) having a reflectance relatively higher than that of the low-reflectance section (18) on its front surface. An information code is recorded as a distribution pattern of the high-reflectance section (16). The laminated material (10) is characterized in that a transparent material layer (12) is provided, the information code is recorded on the surface of the transparent material layer (12), a reflection reducing layer (14) for reducing the reflected light traveling toward the transparent material layer (12) is provided on the back surface.
Description
technical field [0001] The present invention relates to a laminated material with an information code engraved on its surface and a method for observing the information code, and in particular to improvement of information reading performance when an information code is formed on a transparent material layer. Background technique [0002] Currently, in order to perform production management or distribution management of various products, information codes such as barcodes or two-dimensional codes are printed on the outer packaging or components of the products. [0003] For example, there are famous POS systems (sales time information management system) that print information codes on products offered to the market, connect the terminals of each store to the host computer of the main store, and automatically perform sales management, inventory management, etc. In addition, the two-dimensional code has a large amount of information compared with the bar code, and can record a...
Claims
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IPC IPC(8): G06K19/06G06K7/12
Inventor 佐久间健一和田正良木村朝
Owner SHISEIDO CO LTD