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Printing technology involved RFID Label To manufacture, it will be a very good attempt. With the continuous printing process parameters of depth, conductive ink formulation of the continuous improvement will make the printing technology in the manufacture of RFID tags play an important role.

RFID tags, that radio frequency identification tags, smart cards are a. RFID is a non-contact use of two-way radio frequency communication means of identification, which appeared in the World War II, started 70 years, 90 years large-scale use. Technology has been widely used in all areas of our lives, such as simple access control card, bus travel cards, campus cards. RFID in retail applications, widely recognized as a model is "Future Store" mode.

Stores in the future, all the goods are affixed with RFID tags. Customers access to the RFID technology in stores, there are two: the so-called smart shelves and smart checkout. Smart shelf is equipped with RFID tags on the shelf scanner that automatically prompt placement of goods from the shelf and error, to resolve in a timely manner on the goods replenishment and correct problems; store no longer exists the traditional checkout, which is a Smart checkout instead. Smart checkout install RFID tag through a scanner at the exit of the screen to achieve. Customer's cart through the screen, the car which was all purchased goods instantly scan, while intelligent auto-checkout transferred from the customer's credit card the total cost of all goods to go. This allows customers to easily check out and no longer takes a long time to wait for the traditional checkout line.

1, RFID tag cost barrier Application model from the above that RFID tags can bring us more convenient, more efficient consumption of life. However, to achieve each RFID-tagged products, there is still a long way to go, the bottleneck here is one of the relatively high cost of RFID tags. For now, each costing costs have fallen to l tags dollar below 20 to 70 cents. This product is a high price does not matter, but for many, such as toothbrushes, pencils, low commodity prices for such will be treated as a cost barrier. Therefore, to fully promote the RFID tag on tag performance should guarantee that the label under the premise of reducing manufacturing costs.

Second, the cost of printing the label on the edge

RFlD labels can be divided into three categories: passive RFID tags, semi-active RFID tags and active RFID tags. For the retail Package The RFID tags are generally passive RFID, it is a passive RFID tag, because it need to read electromagnetic signals emitted, induces a current, and then send electromagnetic signals to the reader, to achieve between tag and reader information transmission. The structure of this label is generally: the substrate, chip and built-in antenna (coil). Coil current manufacturing methods are: copper wire wound, chemical corrosion, electroplating method and the direct printing method. These four methods that focus on the development of the direct printing method, because the method has high-speed antenna printing, supplies low-cost advantages, can significantly reduce the cost of RFID tags.

3, the driving force of conductive ink

Directly printed antenna technology, the conductive ink is an important driving force. Without the development of conductive ink, no printing technology in the manufacturing of RFID tags. Conductive ink by a number of easy to conductive particles, resin or more special composition of raw materials such as conductive polymers. By printing conductive ink to the substrate after drying, due to the distance between conductive particles become smaller, free electron moving along the electric field forming current, good conductivity, so that ink to play the role of the antenna. Conductive ink for improving performance quality, reduce ink consumption is of great significance. A good conductive ink formulations, requires a good printability, after printing has strong adhesion, low resistivity, low curing temperature, conductivity and stability and other characteristics.

4, direct printing of antenna technology

Present, direct printing method of the antenna is still in the research stage.

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