| 1. |
- Amin, Yasar, et al.
(författare)
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Design and Analysis of Efficient and Compact Antenna for Paper Based UHF RFID Tags
- 2008
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Ingår i: ISAPE 2008. - NEW YORK : IEEE. - 9781424421923 ; , s. 62-65
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Konferensbidrag (refereegranskat)abstract
- Paper substrate is one of the paramount nominees for Radio Frequency Identification (RFID) tags but at the same time it is extremely prone towards environmental changes. In this paper, antennas for UHF RFID tags on paper based substrate are investigated and analyzed for the first time to evaluate the effect of change in dielectric constant on the antenna parameters and performance. On the basis of analysis a concrete meander line antenna is proposed, designed and evaluated which has tremendous immunity towards variation in dielectric constant.
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| 2. |
- Amin, Yasar, et al.
(författare)
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Design and Characterization of Efficient Flexible UHF RFID Tag Antennas
- 2009
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Ingår i: 2009 3RD EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION. - NEW YORK : IEEE. - 9781424447534 ; , s. 2682-2684
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Konferensbidrag (refereegranskat)abstract
- In this paper meander line antennas with end tip loading, designed for UHF RFID tags are presented. These novel antennas are screen printed on Kapton HN for European frequency band (866-868 MHz) and for North American frequency band (902-928 MHz). Asahi ink is used for screen printing of 25 mu m thick antenna traces which remains conductive even after several times sharp bending of these tag antennas. The results show that the antennas exhibit high performance regarding smaller area, high realized gain and better return loss in the frequency band of interest. These antennas are extremely flexible which give autonomy for their applications.
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| 3. |
- Amin, Yasar, et al.
(författare)
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Design of Novel Paper-based Inkjet Printed Rounded Corner Bowtie Antenna for RFID Applications
- 2010
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Ingår i: Sensors & Transducers Journal. - : International Frequency Sensor Association (IFSA). - 2306-8515 .- 1726-5479. ; 115:4, s. 160-167
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents a novel inkjet printed rounded corner bowtie antenna with T-matching stubs on paper substrate which is the cheapest and widest available substrate. The antenna exhibits compact size with outstanding read range and complete coverage of UHF RFID band (860-960 MHz). The results show extreme immunity of proposed antenna against paper dielectric constant variation.
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| 4. |
- Amin, Yasar, et al.
(författare)
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Inkjet Printed Paper Based Quadrate Bowtie Antennas For UHF RFID Tags
- 2009
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Ingår i: 11TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY, VOLS I-III, PROCEEDINGS, - UBIQUITOUS ICT CONVERGENCE MAKES LIFE BETTER!. - TAEJON : ELECTRONICS TELECOMMUNICATIONS RESEARCH INST. - 9788955191387 ; , s. 109-112
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Konferensbidrag (refereegranskat)abstract
- Paper substrate is one of the paramount nominees for Radio Frequency Identification (RFID) tags, for the reason that it is one of the widely and the cheapest available substrates. In this paper, for the first time quadrate bowtie antennas with round corners [1] are realized and analyzed on paper substrate for UHF RFID tags. These inkjet printed antennas exhibit high performance which give freedom for their applications. Their area is smaller than the general triangle bowtie antenna and have advantages of smaller area, better return loss in high frequency and higher gain in normal direction of antenna plane compared with general triangular bowtie antenna.d
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| 5. |
- Amin, Yasar, et al.
(författare)
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Low Cost Paper Based Bowtie Tag Antenna for High Performance UHF RFID Applications
- 2009
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Ingår i: NANOTECH CONFERENCE & EXPO 2009, VOL 1, TECHNICAL PROCEEDINGS - NANOTECHNOLOGY 2009. - BOCA RATON : CRC PRESS-TAYLOR & FRANCIS GROUP. - 9781439817827 ; , s. 538-541
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Konferensbidrag (refereegranskat)abstract
- Radio frequency identification (RFID) antenna's versatility in terms of complete coverage of UHF RFID band (860-960 MHz), while keeping the cost factor low, is an important aspect of today's growing demand for security and tracking of multiple objects in a very short time in addition to tag's readability across the globe. This paper presents a novel inkjet printed rounded corner bowtie antenna with T-matching stubs on paper substrate which is the cheapest and widest available substrate. The antenna exhibits compact size with outstanding read range.
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| 6. |
- Amin, Yasar, et al.
(författare)
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Robust Flexible High Performance UHF RFID Tag Antenna
- 2009
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Ingår i: 2009 11TH ELECTRONICS PACKAGING TECHNOLOGY CONFERENCE (EPTC 2009). - NEW YORK : IEEE. - 9781424450992 ; , s. 235-239
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Konferensbidrag (refereegranskat)abstract
- This paper describes a novel Flexo, Screen and Inkjet printed rounded edges bowtie antenna with T-matching stubs on paper, Kapton (HN) and Teonex Q51 substrate. Paper is one of the paramount nominees for Radio Frequency Identification (RFID) tags, for the reason that it is one of the widely and the cheapest available substrates. Kapton (HN) and Teonex Q51 are distinguished for their flexibility and reliability. The antenna exhibits compact size with outstanding read range of 4 meters and complete coverage of UHF RFID band (860-960 MHz). The results show extreme immunity of versatile antenna against harsh environments. These antennas are flexible which give autonomy for their applications.
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| 7. |
- Driussi, F., et al.
(författare)
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On the electron mobility enhancement in biaxially strained Si MOSFETs
- 2008
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Ingår i: Solid-State Electronics. - : Elsevier BV. - 0038-1101 .- 1879-2405. ; 52:4, s. 498-505
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Tidskriftsartikel (refereegranskat)abstract
- This paper reports a detailed experimental and simulation study of the electron mobility enhancement induced by the biaxial strain in (001) silicon MOSFETs. To this purpose, ad hoc test structures have been fabricated on strained Si films grown on different SiGe virtual substrates and the effective mobility of the electrons has been extracted. To interpret the experimental results, we performed simulations using numerical solutions of Schroedinger-Poisson equations to calculate the charge and the momentum relaxation time approximation to calculate the mobility. The mobility enhancement with respect to the unstrained Si device has been analyzed as a function of the Ge content of SiGe substrates and of the operation temperature.
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| 8. |
- Feng, Yi, et al.
(författare)
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Development and experimental verification of analytical models for printable interdigital capacitor sensors on paperboard
- 2009
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Ingår i: 2009 IEEE Sensors. - : IEEE Sensors Council. - 9781424445486 ; , s. 1034-1039
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Konferensbidrag (refereegranskat)abstract
- Printed interdigital capacitor DWI on paperboard is a promising solution for low-cost sensors in intelligent packaging applications. The currently available analytical models of multi-layered IDCs are targeted to those fabricated by conventional semiconductor process. For this reason, we have adapted two promising models and assessed their accuracies by comparison with experimental data. We modified these models by treating the paper as non-infinite thick substrate and taking the effect of printed metal thickness into account. The models are studied further to reveal the relationship between the response of capacitance change and various geometric parameters which enables a quick way of obtaining the optimum IDC structure design. The modified Gevorgian model fits our experimental data best, and the sensitivity of IDCs is largely affected by its spatial wavelength and the thickness of sensing material layer, while the finger number, length and metallization ratio have minor impact.
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| 9. |
- Ghandi, R., et al.
(författare)
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Effect of strain, substrate surface and growth rate on B-doping in selectively grown SiGe layers
- 2008
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Ingår i: Thin Solid Films. - : Elsevier BV. - 0040-6090 .- 1879-2731. ; 517:1, s. 334-336
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Tidskriftsartikel (refereegranskat)abstract
- In this work, the role of strain and growth rate on boron incorporation in selective epitaxial growth (SEG) of B-doped Si1-xGex (x=0.15-0.25) layers in recessed or unprocessed (elevated) openings for source/drain applications in CMOS has been studied. A focus has been made on the strain distribution and B incorporation in SEG of SiGe layers.
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| 10. |
- Ghandi, Reza, et al.
(författare)
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High boron incorporation in selective epitaxial growth of SiGe layers
- 2007
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Ingår i: Journal of materials science. Materials in electronics. - : Springer Science and Business Media LLC. - 0957-4522 .- 1573-482X. ; 18:7, s. 747-751
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Tidskriftsartikel (refereegranskat)abstract
- Incorporation of high amount of boron in the range of 1 x 10(20)-1 x 10(21) cm(-3) in selective epitaxial growth (SEG) of Si1-xGex (x = 0.15-0.315) layers for recessed or elevated source/drain junctions in CMOS has been studied. The effect of high boron doping on growth rate, Ge content and appearance of defect in the epi-layers was investigated. In this study, integration issues were oriented towards having high layer quality whereas still high amount of boron is implemented and the selectivity of the epitaxy is preserved.
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