Talking about the technology development and application field of chipless RFID
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A coreless RFID tag refers to a radio frequency identification tag that does not contain a silicon chip. The main potential advantage of the most promising coreless labels is that they can ultimately be printed directly on products and packaging at a cost of 0.1 cents, replacing the $10 billion in annual barcodes with more flexible and reliable features.
With widespread use, RFID technology is growing stronger. However, only when the price of the label, including the installation fee, drops below 1 cent, is it possible to fully implement it in the largest RFID applications such as consumer packaged goods, postal items, medicines and books. There are many benefits to using RFID, but considering it, it still cannot prove that it has a greater advantage. The potential sales volume of these largest application areas is as high as 10 trillion yuan per year, but due to the high price of silicon chips, the market share of such labels cannot be formed. Even if you don't consider the cost of silicon chips, the installation cost is equivalent to 95% of the bar code used today, which means that most high-capacity RFID tags must be installed directly on the product and packaging to ensure that the installation cost is less than 1 Cents. Coreless RFID technology has surfaced under this demand.
What is coreless RFID?
A coreless RFID tag refers to a radio frequency identification tag that does not contain a silicon chip. The main potential advantage of the most promising coreless labels is that they can ultimately be printed directly on products and packaging at a cost of 0.1 cents, replacing the $10 billion in annual barcodes with more flexible and reliable features.
The mainstream of coreless tags is similar to silicon chips that can be digitally decoded and can operate over a range of one millimeter. Their potential market goes beyond the potential market for low-cost, high-capacity labels because of the other characteristics of the label in addition to its low price. In fact, the label currently sells in some cases at a higher price than the silicon chip label, while in other cases the selling price is lower than the silicon chip label. This situation will continue for some time. Personality signatures and microwave-reflecting fibers on paper strips similar to banknotes or documents can be detected in millimeters, so this is in line with our RFID definition, but they are rarely used for anti-counterfeiting. Therefore, we only made a brief discussion in this report, and the statistics are ignored.
In the next decade we will see a rapid increase in the market share of coreless labels. Global sales will increase from 5 million in 0.4% in 2006 to 267 billion in 45% in 2016. In terms of value, the coreless label will increase from only 0.1% of the $1.2 million in 2006 to $1.39 billion – a conservative estimate of 13% of the 2016 RFID tag revenue, as most of the breakthrough growth is based on price advantage. . Including manufacturing, software and services, there will be a $2.8 billion coreless RFID system market in 2016. Thereafter, coreless tags will quickly dominate the entire RFID market with the most technologically advanced chips, such as financial cards with microprocessors. 5.8 GHz tags for off-road road pricing or ultra-wideband tags for real-time location systems will continue to use silicon chips.
The first generation of coreless technology has many but few successes
The first generation of coreless technology did not meet the open standards used by many service providers and did not attempt to develop such standards. There are many coreless technologies, including acoustic and magnetic frequency-swept RF sensor capacitor arrays and electromagnetic RF sputter films – each of which is one of three commonly used anti-theft tags. Others include diode arrays, high-frequency surface acoustic wave (SAW) devices and chemicals that move when moving. However, only the acoustic-magnetic labels and uninterrupted road tolls used in medical treatment and the SAW labels used in manufacturing have reached one million. AstraZeneca's sound and magnetic labels rank first, with annual sales of 4.5 million. However, this plan is difficult to further reduce costs, and there are limitations such as rigidity. The main feature of most first-generation coreless technologies is that they are mainly used in small companies with insufficient funds, and there are technical limitations that are difficult to apply to the market.
Second generation coreless RFID tag
Compared with the first generation of coreless tags above, SAW tags are technically improved, prices are greatly reduced, and enough data can be stored and traditional chip RFID operations can be used on common frequency bands. This means they can be the basis for large-scale closed-loop and open-loop systems. In fact, the SAW performance standard was originally integrated into ISO by EPCglobal. The other two technologies are also promising. New participants have proposed electromagnetic tags for printing stripes based on conductive inks on paper or low-priced plastic films. In addition, about forty companies are engaged in thin-film transistor circuits (TFTC) – most of which can be printed at high speed on low-priced plastic films. TFTCs can have the same circuit as silicon RFID chips, so the same frequency and standard as chip RFID can be used, depending on the materials used. It is extremely important to be able to operate at 13.56 MHz, as 55% of the tags manufactured in the past work in this band and this percentage will reach 70% in 2016. This is also the preferred frequency for cards, tickets, libraries, laundries, medicines and mail items. The main commercial feature of the second generation of coreless technology is that they are supported by large companies and small, well-funded companies. Many of them are both sellers and users. These include IBM, HP Xerox, 3M, Toshiba, Dainippon, Japan's Toppan Printing and South Korea's Samsung. Packaging and paper giants Mreal, MeadWestvaco and International Paper are also included. However, balancing these techniques is very difficult, and we summarize the specific situation in the table.
In addition, these technologies use non-toxic materials and have the potential for low production equipment cost compared to silicon chips.
Best specific application type
The most promising coreless technology will be optimally targeted to specific application areas. Despite this, many of these applications and some situations, such as empty baggage and animals that do not meet their standards, are not suitable. The best places to use coreless labels are just some items (factory roster, library, laundry, medicines, consumer goods, files, mail), tickets/banknotes/other large-capacity security documents, air parcels, animals, prisoners, parole Personnel or hospitalized or supervised personnel, persons with disabilities, visitors to leisure facilities, theme parks and other high-value logistics.
Finally, we have collated the application areas of chip RFID and chipless RFID technology. The two technologies are both competitive and complementary in some respects.