Penghui NFS120 series RF absorbing chip / RF magnetic diaagm product as a mid-and high-end RF absorbing chip in Shenzhen Penghui. Its exnt performance makes it use more and more customers in the increasingly competitive market, despite its high price, but it can help customers solve their product problems faster and better, Its thinnest thickness of 0.05mm is also a major advantage of this product, and it is very soft, widely used in RFID anti-metal electronic tags, NFC antenna anti-interference, Flexible FPC anti-interference, and many other scenarios, Penghui NFS120 series products without glue thickness of 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.5mm, can help customers to solve the interference of the use environment (common interference source is metal, it can also be a PCB, components, etc.) and cause the product can not be used normally problems.
The RFID anti-metal electronic tag, also known as the high-frequency anti-metal tag, is an electronic tag made of the RF absorbing sheet with the anti-interference function, which effectively solves the problem of the metal carrier interfering with the RF ectronic tag attached to its surface.
RFID anti-metal electronic label on the original label added a special anti-metal absorption chip, such as Penghui WLF15 series, NFS20 series, NFS40 series, NFS120 series, NFS150 series, prevent metal items to label nce, the label also has anti-corrosion, waterproof, acid prevention function, high temperature resistance, impact resistance, collision prevention, suitable for a variety of harsh use environment.
Absorbing material refers to a class of materials that can absorb the energy of electromagnetic waves projected on its surface. Applying this material to electronic equipment can absorb leaked electromagnetic radiation and achieve the purpose of eliminating electromagnetic interference. In engineering applications, in addition to requiring the absorbing material to have a high absorption rate of electromagnetic waves in a wide frequency band, it is also required to have light weight, temperature resistance, moisture resistance, corrosion resistance and other properties. For design engineers, the use of absorbing materials for EMI shielding is an effective way to reduce EMI. For different interference sources, choose the optimal absorbing material after considering the installation size and space position, so as to ensure that the system achieves the best shielding effect.
In the RFID frequency range, when the electromagnetic wave encounters the metal surface, due to the eddy current nomenon, a strong electromagnetic wave reflection is generated, and there is a se difference between the reflected electromagnetic wave and the incident wave, which causes mutual cantion. At this time, the really effective electromagnetic field is rapidly reduced. Small, because the lower the resistivity of the metal material, the greater the eddy current loss will be, and the more serious the metal problem will be. Therefore, when the antenna is subjected to extreme metal interference, the instructions issued by the card reader will disappear completely, so the data reading result will fail.
The absorbing material mainly uses the characteristics of high magnetic permeability. When in use, insert the absorbing sheet between the loop antenna of the RFID anti-metal tag and the metal substrate to increase the induced magnetic field and reduce the probability of passing through the metal plate through the absorbing material itself, so as to reduce the generation of induced eddy currents in the metal plate, and the absorbing material to reduce the loss of the induced magnetic field. At the same time, due to the insertion of the magnetic isolation sheet of the absorbing material, the measured parasitic capacitance will also be reduced, and the frequency offset will be reduced. The resonance frequency of the card holder is consistent, which greatly improves the card reading effect and distance. Shenzhen Functional Materials specializes in the production of RFID anti-metal electronic tags. We are an experienced RFID anti-metal electronic tag factory. If you need such products, please feel free to us.
With the development of science and technology, the current RFID technology has become more and more mature and has been widely used in all walks of life. In most application scenarios, the RFID anti-metal electronic tag will be attached to the surface of the metal object, and the metal object itself will affect the working performance of the RFID anti-metal electronic tag, and the electromagnetic waves emitted by the RFID anti-metal electronic tag will be isolated by the metal. , the ered, resulting in the performance of the tag degraded, and even cannot be effectively read by the corresponding equipment. In order to solve this problem, RFID anti-metal electronic tags came into being.
RFID anti-metal electronic tag is a layer of anti-metal material added to the original RFID electronic tag. This layer of material can avoid the occurrence of failure after the tag is attached to a metal object. The anti-metal material is a special anti-magnetic material. The electronic tag encapsulated by the absorbing material technically solves the problem that the electronic tag cannot be attached to the metal surface. The product is waterproof, acid-proof, alkali-proof and collision-proof, and can be used outdoors.
The early RFID anti-metal electronic tags were large in size, and were often subject to many restrictions in practical applications. In recent years, with the rapid development of intelligent manufacturing and smart medical fields, the market demand for RFID anti-metal electronic tags has gradually increased. High-performance, miniaturized RFID anti-metal electronic tags are more and more popular. In order to adapt to different application scenarios and requirements, the changes in the form of RFID anti-metal electronic tags are quite rich. Nowadays, the main types of RFID anti-metal electronic tags are: PCB type, ABS type, ceramic type, flexible anti-metal electronic label Labels, etc., and can be made into various styles and shapes, such as bars, squares, circles, etc.
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