Inkjet printed antennas for NFC systems

Mujal, Jordi; Ramón, Eloi; Diaz, Elkin; Carrabina, Jordi; Calleja, Alvaro; Martı́nez, Ricardo; Terés, Lluís

doi:10.1109/icecs.2010.5724738

Cited by 22 publications

(11 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…One of the possible applications of inkjet-printing technology in electronics is printable antennas, especially RFID tag antennas as inkjet printing could lower tag manufacturing costs and allow tags to be printed directly onto product packages. Thus, inkjet-printed antennas have been developed for various kinds of RFID tags in [3][4][5][6][7][8] and for wireless sensor networks in [9,10]. At the moment, despite the obvious benefits and possible cost savings of inkjet-printed antennas, their cost remains too high due to the high cost of conductive inks.…”

Section: Introductionmentioning

confidence: 99%

A Selective Ink Deposition Method for the Cost-Performance Optimization of Inkjet-Printed UHF RFID Tag Antennas

Virtanen

Virkki

Elsherbeni

et al. 2012

International Journal of Antennas and Propagation

View full text Add to dashboard Cite

A selective ink deposition method is proposed for fabricating inkjet-printed passive UHF RFID tag antennas with optimized cost-performance ratios. The deposition method is based on identifying areas with high surface current densities on a given tag antenna and applying additional silver nanoparticle ink onto such areas to increase tag read range. In this paper, the proposed method is experimentally verified by utilizing the method on a small dipole tag antenna. Several ink deposition schemes are created, and their read range performances and ink consumptions are presented.

show abstract

Section: Introductionmentioning

confidence: 99%

A Selective Ink Deposition Method for the Cost-Performance Optimization of Inkjet-Printed UHF RFID Tag Antennas

Virtanen

Virkki

Elsherbeni

et al. 2012

International Journal of Antennas and Propagation

View full text Add to dashboard Cite

show abstract

“…It must be made from a good conductor such as gold, or silver, to achieve the 50 Ω resistance that is required. Photo-lithography [79], inkjet printing [80,81] and screen printing [82] techniques have each been used for manufacturing antenna. The antenna could be incorporated into the lens by either preparing it directly onto the LC lens substrate, or using a separate substrate that is then located within the lens.…”

Section: Antenna and Communicationmentioning

confidence: 99%

Switchable Liquid Crystal Contact Lenses for the Correction of Presbyopia

et al. 2018

View full text Add to dashboard Cite

Abstract:Presbyopia is an age-related disorder where the lens of the eye hardens so that focusing on near objects becomes increasingly difficult. This complaint affects everyone over the age of 50. It is becoming progressively more relevant, as the average age of the global population continues to rise. Bifocal or varifocal spectacles are currently the best solution for those that require near and far vision correction. However, many people prefer not to wear spectacles and while multifocal contact lenses are available, they are not widely prescribed and can require significant adaptation by wearers. One possible solution is to use liquid crystal contact lenses that can change focal power by applying a small electric field across the device. However, the design of these contact lenses must be carefully considered as they must be comfortable for the user to wear and able to provide the required change in focal power (usually about +2D). Progress towards different lens designs, which includes lens geometry, liquid crystal choices and suitable alignment modes, are reviewed. Furthermore, we also discuss suitable electrode materials, possible power sources and suggest some methods for switching the lenses between near and far vision correction.

show abstract

“…Inkjet printed antennas [ 41 , 42 ] for passive components such as NFC tags are another popular NFC antenna design approach. Antenna design formulas optimizing bandwidth and power transfer efficiency [ 43 ], evaluation of eavesdropping range depending on the antenna design [ 44 ], development of mutual coupling of NFC antennas and coupling models for system performance estimation [ 45 , 46 , 47 ], resonant coupling method for enabling high quality NFC system [ 48 , 49 ] have also been studied extensively.…”

Section: Nfc Technology Essentialsmentioning

confidence: 99%

The Survey on Near Field Communication

Çoşkun

Özdenizci

2015

Sensors

100

View full text Add to dashboard Cite

Near Field Communication (NFC) is an emerging short-range wireless communication technology that offers great and varied promise in services such as payment, ticketing, gaming, crowd sourcing, voting, navigation, and many others. NFC technology enables the integration of services from a wide range of applications into one single smartphone. NFC technology has emerged recently, and consequently not much academic data are available yet, although the number of academic research studies carried out in the past two years has already surpassed the total number of the prior works combined. This paper presents the concept of NFC technology in a holistic approach from different perspectives, including hardware improvement and optimization, communication essentials and standards, applications, secure elements, privacy and security, usability analysis, and ecosystem and business issues. Further research opportunities in terms of the academic and business points of view are also explored and discussed at the end of each section. This comprehensive survey will be a valuable guide for researchers and academicians, as well as for business in the NFC technology and ecosystem.

show abstract

Inkjet printed antennas for NFC systems

Cited by 22 publications

References 7 publications

A Selective Ink Deposition Method for the Cost-Performance Optimization of Inkjet-Printed UHF RFID Tag Antennas

A Selective Ink Deposition Method for the Cost-Performance Optimization of Inkjet-Printed UHF RFID Tag Antennas

Switchable Liquid Crystal Contact Lenses for the Correction of Presbyopia

The Survey on Near Field Communication

Contact Info

Product

Resources

About