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铁氧体片是一种高温烧结的铁氧材料
在NFC支付手机等手持式设备中，电子标签上,主要作用是降低金属材料对信号磁场的吸收,同时铁氧体膜本身是一种高温烧结的铁氧体材料,通过增加磁场强度,有效增加感应距离.支付型手机(NFC)付费方法是通过13.56MHz RFID无线射频识别系统实现的。该应用的RFID智能标签就是贴在手机后盖壳上，这样可以最大程度地节约空间。在手机等手持式电子设备中，电子标签要集成或贴合到电子设备上，作为设备的一个部件发挥功能，往往因空间有限，不可避免要将RFID标签（通常是被动式的）贴在金属等导电物体表面或贴在临近位置有金属器件的地方。这样一来，标签在读卡器发出的信号作用下激发感应出的交变电磁场很容易受到金属的涡流衰减作用而使信号强度大大减弱，导致读取过程失败。因此，为了产品能够更好的应用读卡，需要在产品中增加铁氧体（吸波材料）。铁氧体已经开始广泛应用于支付手机和射频领域中。
The ferrite sheets is of a high temperature sintering of the ferrite material.
NFC payment mobile phones and other handheld devices, the electronic tag, the main role is to reduce the absorption of the metal material of the signal magnetic field, while the ferrite film itself sintered ferrite material is a high temperature, by increasing the magnetic field strength, and effectively increase sensing distance pay phone (NFC) payment method is achieved through the the 13.56MHz RFID radio frequency identification system. The application of RFID smart label is affixed on the back cover of the phone shell, so you can maximize the space-saving. In mobile phones and other handheld electronic devices, the electronic tag to be integrated or bonded to the electronic equipment, functions as a member of the device, often due to the limited space, the inevitable To RFID tag (usually passive) affixed to the metal, etc. conductive surfaces or metal devices attached near the position. Thus, the label issued by the card reader signal effect excitation induced alternating electromagnetic fields are vulnerable to metal eddy current damping effect of the signal strength is greatly reduced, resulting in the reading process fails. Therefore, in order to product application card reader capable of better, you need to increase in the product ferrite (absorbing material). Ferrite has been widely applied to the pay phone and radio frequency (RF) fields.撤消修改