日立公司(Hitachi)发表最小、最薄的RFID芯片


日立公司(Hitachi)发表最小、最薄的RFID芯片

Hitachi, Ltd. announced it has developed and verified operation of a 0.15 x 0.15 millimeter (mm), 7.5 micrometer (祄) thick contactless IC chip, the smallest and thinnest in the world, to date. The read-only chip uses an external antenna to receive 2.45 GHz radio waves and wirelessly transmits a 128 bit unique ID number. The chip is a smaller version of the 0.4 x 0.4 mm "?Chip" currently being marketed by Hitachi, maintaining the same level of functionality.

Compared to the 0.3 x 0.3 mm, 60祄 thick IC chip (the 0.3mm IC chip) announced by Hitachi in February 2003, surface area is reduced to a quarter of the original size. Developments in thin chip fabrication technology have also enabled the chip to be reduced to one-eighth the thickness of the 0.3mm IC chip, at the same time.

By taking advantage of the merits of compactness, high authenticity and contactless communication, and combining it with Internet technology, the ?Chip may be utilized in a broad range of applications such as security, transportation, amusement, traceability and logistics.


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发布人:众宇旺仪器 发布时间:2009年6月26日 已被浏览 1595 次 〖 打印本文