The µ -Chip: An Ultra-Small 2.45 GHz RFID Chip for Ubiquitous Recognition Applications

Mitsuo USAMI; Masaru OHKI

The µ -Chip: An Ultra-Small 2.45 GHz RFID Chip for Ubiquitous Recognition Applications

Mitsuo USAMI, Masaru OHKI

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An ultra-small (0.4 0.4 mm²) radio frequency identification (RFID) chip named µ -chip has been developed for use in a wide range of individual recognition applications. The chip is designed to be 0.06 mm thick so that it can be applied to paper and to thin paper-like media, which have been used widely in retailing to create certificates that have monetary value, as well as to token-type devices. The µ-chip has been designed and fabricated using 0.18 µm standard CMOS technology with 3-layer aluminum metallization. The chip has a 128-bit memory. The memory data is easily read by applying a 2.45 GHz microwave radio frequency identification circuit technique. The minimum operating voltage of the chip's digital circuits is 0.5 V. This chip has attached to a thin-film external antenna. The chip terminals are connected to the antenna by an anisotropic conductive film (ACF). This type of structure results in a 0.15 mm thin transponder. The maximum communication distance between the µ -chip and a reader is 300 mm at a reader power of 300 mW.

Publication: IEICE TRANSACTIONS on Electronics Vol.E86-C No.4 pp.521-528

Publication Date: 2003/04/01

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Type of Manuscript: Special Section INVITED PAPER (Special Issue on High-Performance, Low-Power System LSIs and Related Technologies)

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Mitsuo USAMI, Masaru OHKI, "The µ -Chip: An Ultra-Small 2.45 GHz RFID Chip for Ubiquitous Recognition Applications" in IEICE TRANSACTIONS on Electronics, vol. E86-C, no. 4, pp. 521-528, April 2003, doi: .
Abstract: An ultra-small (0.4 0.4 mm²) radio frequency identification (RFID) chip named µ -chip has been developed for use in a wide range of individual recognition applications. The chip is designed to be 0.06 mm thick so that it can be applied to paper and to thin paper-like media, which have been used widely in retailing to create certificates that have monetary value, as well as to token-type devices. The µ-chip has been designed and fabricated using 0.18 µm standard CMOS technology with 3-layer aluminum metallization. The chip has a 128-bit memory. The memory data is easily read by applying a 2.45 GHz microwave radio frequency identification circuit technique. The minimum operating voltage of the chip's digital circuits is 0.5 V. This chip has attached to a thin-film external antenna. The chip terminals are connected to the antenna by an anisotropic conductive film (ACF). This type of structure results in a 0.15 mm thin transponder. The maximum communication distance between the µ -chip and a reader is 300 mm at a reader power of 300 mW.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e86-c_4_521/_p

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@ARTICLE{e86-c_4_521,
author={Mitsuo USAMI, Masaru OHKI, },
journal={IEICE TRANSACTIONS on Electronics},
title={The µ -Chip: An Ultra-Small 2.45 GHz RFID Chip for Ubiquitous Recognition Applications},
year={2003},
volume={E86-C},
number={4},
pages={521-528},
abstract={An ultra-small (0.4 0.4 mm²) radio frequency identification (RFID) chip named µ -chip has been developed for use in a wide range of individual recognition applications. The chip is designed to be 0.06 mm thick so that it can be applied to paper and to thin paper-like media, which have been used widely in retailing to create certificates that have monetary value, as well as to token-type devices. The µ-chip has been designed and fabricated using 0.18 µm standard CMOS technology with 3-layer aluminum metallization. The chip has a 128-bit memory. The memory data is easily read by applying a 2.45 GHz microwave radio frequency identification circuit technique. The minimum operating voltage of the chip's digital circuits is 0.5 V. This chip has attached to a thin-film external antenna. The chip terminals are connected to the antenna by an anisotropic conductive film (ACF). This type of structure results in a 0.15 mm thin transponder. The maximum communication distance between the µ -chip and a reader is 300 mm at a reader power of 300 mW.},
keywords={},
doi={},
ISSN={},
month={April},}

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TY - JOUR
TI - The µ -Chip: An Ultra-Small 2.45 GHz RFID Chip for Ubiquitous Recognition Applications
T2 - IEICE TRANSACTIONS on Electronics
SP - 521
EP - 528
AU - Mitsuo USAMI
AU - Masaru OHKI
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E86-C
IS - 4
JA - IEICE TRANSACTIONS on Electronics
Y1 - April 2003
AB - An ultra-small (0.4 0.4 mm²) radio frequency identification (RFID) chip named µ -chip has been developed for use in a wide range of individual recognition applications. The chip is designed to be 0.06 mm thick so that it can be applied to paper and to thin paper-like media, which have been used widely in retailing to create certificates that have monetary value, as well as to token-type devices. The µ-chip has been designed and fabricated using 0.18 µm standard CMOS technology with 3-layer aluminum metallization. The chip has a 128-bit memory. The memory data is easily read by applying a 2.45 GHz microwave radio frequency identification circuit technique. The minimum operating voltage of the chip's digital circuits is 0.5 V. This chip has attached to a thin-film external antenna. The chip terminals are connected to the antenna by an anisotropic conductive film (ACF). This type of structure results in a 0.15 mm thin transponder. The maximum communication distance between the µ -chip and a reader is 300 mm at a reader power of 300 mW.
ER -