Proposal and Evaluation of the Utilization of a Baking Method to Apply Visually Unrecognizable Two-Dimensional Code onto Valuable Ceramic Products

Masaki Fujikawa,Shingo Fuchi,Eigo Nishimura

doi:10.12792/iciae2016.039

Abstract

We have proposed two techniques for identifying valuable ceramics. The first one involves baking visually unrecognizable two-dimensional code onto each product during the manufacturing process. This very thin code is made from transparent glass phosphor and is placed between the clay and glaze layers of the ceramic product. The second one involves extracting the information from each product with the said code in a non-contact manner by acquiring and processing images. The QR (Quick Response) code images are taken by an infrared camera and light.

Highlights

Fine craft products are different from ordinary personal items used in daily life, as they are elaborately designed with beautiful patterns and colors
We proposed techniques to bake invisible QR code onto individual products during the manufacturing process and to extract information from products in a non-contact manner
The former is an application of the technique that bakes patterns onto ceramics by using transfer paper and screen printing

Summary

Introduction

Fine craft products are different from ordinary personal items used in daily life, as they are elaborately designed with beautiful patterns and colors. These products are sometimes related to intellectual and esthetic hobbies; examples include textiles, pottery, porcelain, lacquer, and wooden works. Ceramics produced by renowned artists and manufacturers are likely to have high prices, which causes them to be more carefully handled than ordinary ceramics and passed on to following generations. In Japan, the abovementioned ceramics are preserved in wooden boxes paired with the products(1). On the surfaces of such a box, product-related information, such as the title, name of the artist or manufacturer, and production date are written (so-called “Hako-gaki” in Japanese), so that everyone can know the product information(2)

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Methods

Conclusion