Clothing Ultra-High Frequency Electronic Tag User Guide

The apparel field is an important area for UHF RFID applications. At present, there are many kinds of UHF RFID tags on the Chinese market. How to choose the right UHF RFID tag for clothing? The author wrote this article. For the industry to share.

First, the clothing of the kind of ultra-high frequency RFID label clothing is usually divided into <br> <br> in the application tag, hanging tablets, weaving Mark, Mark and India, self-adhesive labels, label inlay, 6 major categories. Among them, the tag is also divided into a roll-shaped printable tag and a single-sided double-sided printing tag, which is divided into a single-layer adhesive method and a double-layer adhesive method.

Second, the key issues in the selection of clothing UHF electronic tags need to pay attention to 1, the application of the link tag selection problem Before the user selects UHF electronic tags, should confirm the need for the application of the link or the use of electronic tag management purposes, according to the corresponding Demand to select different types or styles of electronic tags to avoid application failures due to electronic tag selection errors in the application, so that the terminal loses confidence in the entire application system.

2, the choice of label brands Currently on the domestic market more common international label brands are Avery Dennison, Alien, Impinj, UPM, domestic brands are more complex, not listed here. In the global market, Avery Dennison has the highest share of label products; Alien, Impinj, and UPM take second place; Impinj only produces chips, and label production is done by authorized foundries. In China, because Alien and Impinj have foundry partners in China, UPM has built factories in China. The market share of Avery Dennison in China is relatively small.

For apparel customers, at home, brand labels for Avery Dennison, Alien, and UPM have been successfully applied in the apparel industry, and the company's products vary in size and style. Among them, Avery Dennison adopts the Strap craft to make the label, and Alien and UPM adopt the Binding craft, users can choose the label according to their own required craft and size.

3. Problems with chip selection The domestic UHF chip brands are not commonly used. For the apparel industry, the UHF protocol used is ISO18000-6C. Domestic chip manufacturers include Quanray, Kiloway, and national technology. The commonly used imported chip manufacturers are: NXP, Impinj, Alien, as well as ST, TI, etc. in the domestic use less. More commonly used models for imported chips are: UCODEG2XL and UCODEG2iL from NXP, Monza3, Monza4D, Monza5 from Impinj, and Higgs3 from Alien. Each company chip has a difference, for example: Impinj's chip, the number of the EPC area is the same at the factory, users need to initialize or give it to the professional company to use after initialization, the end-user should consult clear after the purchase.

4, the label initialization problem In the application process in recent years, whether the label chip has a unique number of EPC, usually clothing manufacturers will initialize the label, so that the label number becomes its own company's coding format, which will encounter a lot of initialization of the label problem.

How to be accurate and efficient is a common problem encountered by all RFID apparel system integrators and end users. Currently, there are only two methods used for batch initialization of labels. The first is the use of industrial-grade RFID label printers to write data while the label is being printed. However, due to the problem of the printer's own configuration, the current smaller-sized labels are difficult to pass. The purpose of the batch initialization of the printer, often encounter the label does not recognize or write errors, etc., and join the RFID module, it also greatly reduces the speed of industrial-grade printers. The second is the use of desktop readers to manually initialize tags. Although this method can initialize small-size electronic tags, the efficiency is very low, and similar problems such as data writing errors due to improper manual operations are also encountered. . At present, if you want to ensure 100% accuracy of the initialization tag, you can only solve these problems by printing the tag or performing a full test after initialization.

After receiving the label product, the end-user should first check the correct rate of the label data and then put it into the production line for use.

5, label damage in the production process The label is formed by the chip and the antenna, before the package into the finished product, only conductive adhesive between the chip and the antenna connection, the relative is still relatively weak. Whether it is the clothing manufacturer’s management or RFID manufacturers, employees in the clothing production line should be trained to avoid or minimize bending, kneading, rubbing, squeezing, squeezing, heavy pressure, and other actions that can easily damage the chip, so that the label can be normal. Used in the environment.

6, the problem of missed reading rate This problem is a relatively common phenomenon, in addition to the label itself, there are many factors that may lead to the occurrence of missed reading. For example: the reader power adjustment is too small, the antenna angle of the reader is not adjusted properly, the label position is too close to the metal button position on the clothing, the size of the label selection is too small, the gap between the label and the label does not overlap, and the clothing fabric or accessories Metal-rich ingredients, too many garments per box, excessive speed in the warehouse through the antenna channels of the reader, intentional obstructions by the human body in the store, and so on.

In fact, these problems can be solved under the guidance of a professional RFID company. End-users can't over-pursue the small size of labels and require long-distance identification of labels. In the principle of UHF RFID electronic labels, the smaller the label size, the longer the reading distance. Nearly, the larger the label size is, the longer the reading distance is, and the two are proportional to each other. Therefore, rational use of RFID tag technology is a rational choice for end users.


In summary, in the apparel industry, the process of selecting an electronic tag should be: understanding the purpose of the application—putting forward the technical requirements—selecting the tag package style—determining the tag placement—confirming the tag package size—testing—ordering (Other system equipment other than labels does not follow this process)

In the modern clothing industry, RFID systems have become one of the cost-saving, data-accurate, and convenient applications. Vinson Snow Technology (Beijing) Co., Ltd. will provide you with technical consulting, product supply, project implementation and other services.

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