Sensors & TransducersVolume 134 Issue 11November 2011www.sensorsportal.com ISSN 1726-5479Editors-in-Chief: pr<strong>of</strong>essor Sergey Y. Yurish, tel.: +34 696067716, e-mail: editor@sensorsportal.comEditors <strong>for</strong> Western EuropeMeijer, Gerard C.M., Delft University <strong>of</strong> Technology, The Ne<strong>the</strong>rlandsFerrari, Vittorio, Universitá di Brescia, ItalyEditor <strong>for</strong> Eastern EuropeSachenko, Anatoly, Ternopil State Economic University, UkraineEditors <strong>for</strong> North AmericaDatskos, Panos G., Oak Ridge National Laboratory, USAFabien, J. Josse, Marquette University, USAKatz, Evgeny, Clarkson University, USAEditor South AmericaCosta-Felix, Rodrigo, Inmetro, BrazilEditor <strong>for</strong> AfricaMaki K.Habib, American University in Cairo, EgyptEditor <strong>for</strong> AsiaOhyama, Shinji, Tokyo Institute <strong>of</strong> Technology, JapanEditor <strong>for</strong> Asia-PacificMukhopadhyay, Subhas, Massey University, New ZealandEditorial Advisory BoardAbdul Rahim, Ruzairi, Universiti Teknologi, MalaysiaAhmad, Mohd Noor, No<strong>the</strong>rn University <strong>of</strong> Engineering, MalaysiaAnnamalai, Karthigeyan, National Institute <strong>of</strong> Advanced Industrial Scienceand Technology, JapanArcega, Francisco, University <strong>of</strong> Zaragoza, SpainArguel, Philippe, CNRS, FranceAhn, Jae-Pyoung, Korea Institute <strong>of</strong> Science and Technology, KoreaArndt, Michael, Robert Bosch GmbH, GermanyAscoli, Giorgio, George Mason University, USAAtalay, Selcuk, Inonu University, TurkeyAtghiaee, Ahmad, University <strong>of</strong> Tehran, IranAugutis, Vygantas, Kaunas University <strong>of</strong> Technology, LithuaniaAvachit, Patil Lalchand, North Maharashtra University, IndiaAyesh, Aladdin, De Mont<strong>for</strong>t University, UKAzamimi, Azian binti Abdullah, Universiti Malaysia Perlis, MalaysiaBahreyni, Behraad, University <strong>of</strong> Manitoba, CanadaBaliga, Shankar, B., General Monitors Transnational, USABaoxian, Ye, Zhengzhou University, ChinaBar<strong>for</strong>d, Lee, Agilent Laboratories, USABarlingay, Ravindra, RF Arrays Systems, IndiaBasu, Sukumar, Jadavpur University, IndiaBeck, Stephen, University <strong>of</strong> Sheffield, UKBen Bouzid, Sihem, Institut National de Recherche Scientifique, TunisiaBenachaiba, Chellali, Universitaire de Bechar, AlgeriaBinnie, T. David, Napier University, UKBisch<strong>of</strong>f, Gerlinde, Inst. Analytical Chemistry, GermanyBodas, Dhananjay, IMTEK, GermanyBorges Carval, Nuno, Universidade de Aveiro, PortugalBousbia-Salah, Mounir, University <strong>of</strong> Annaba, AlgeriaBouvet, Marcel, CNRS – UPMC, FranceBrudzewski, Kazimierz, Warsaw University <strong>of</strong> Technology, PolandCai, Chenxin, Nanjing Normal University, ChinaCai, Qingyun, Hunan University, ChinaCampanella, Luigi, University La Sapienza, ItalyCarvalho, Vitor, Minho University, PortugalCecelja, Franjo, Brunel University, London, UKCerda Belmonte, Judith, Imperial College London, UKChakrabarty, Chandan Kumar, Universiti Tenaga Nasional, MalaysiaChakravorty, Dipankar, Association <strong>for</strong> <strong>the</strong> Cultivation <strong>of</strong> Science, IndiaChanghai, Ru, Harbin Engineering University, ChinaChaudhari, Gajanan, Shri Shivaji Science College, IndiaChavali, Murthy, N.I. Center <strong>for</strong> Higher Education, (N.I. University), IndiaChen, Jiming, Zhejiang University, ChinaChen, Rongshun, National Tsing Hua University, TaiwanCheng, Kuo-Sheng, National Cheng Kung University, TaiwanChiang, Jeffrey (Cheng-Ta), Industrial Technol. Research Institute, TaiwanChiriac, Horia, National Institute <strong>of</strong> Research and Development, RomaniaChowdhuri, Arijit, University <strong>of</strong> Delhi, IndiaChung, Wen-Yaw, Chung Yuan Christian University, TaiwanCorres, Jesus, Universidad Publica de Navarra, SpainCortes, Camilo A., Universidad Nacional de Colombia, ColombiaCourtois, Christian, Universite de Valenciennes, FranceCusano, Andrea, University <strong>of</strong> Sannio, ItalyD'Amico, Arnaldo, Università di Tor Vergata, ItalyDe Stefano, Luca, Institute <strong>for</strong> Microelectronics and Microsystem, ItalyDeshmukh, Kiran, Shri Shivaji Mahavidyalaya, Barshi, IndiaDickert, Franz L., Vienna University, AustriaDieguez, Angel, University <strong>of</strong> Barcelona, SpainDighavkar, C. G., M.G. Vidyamandir’s L. V.H. College, IndiaDimitropoulos, Panos, University <strong>of</strong> Thessaly, GreeceKo, Sang Choon, Electronics. and Telecom. Research Inst., Korea SouthDing, Jianning, Jiangsu Polytechnic University, ChinaDjordjevich, Alexandar, City University <strong>of</strong> Hong Kong, Hong KongDonato, Nicola, University <strong>of</strong> Messina, ItalyDonato, Patricio, Universidad de Mar del Plata, ArgentinaDong, Feng, Tianjin University, ChinaDrljaca, Predrag, Instersema Sensoric SA, SwitzerlandDubey, Venketesh, Bournemouth University, UKEnderle, Stefan, Univ.<strong>of</strong> Ulm and KTB Mechatronics GmbH, GermanyErdem, Gursan K. Arzum, Ege University, TurkeyErkmen, Aydan M., Middle East Technical University, TurkeyEstelle, Patrice, Insa Rennes, FranceEstrada, Horacio, University <strong>of</strong> North Carolina, USAFaiz, Adil, INSA Lyon, FranceFericean, Sorin, Balluff GmbH, GermanyFernandes, Joana M., University <strong>of</strong> Porto, PortugalFrancioso, Luca, CNR-IMM Institute <strong>for</strong> Microelectronics and Microsystems, ItalyFrancis, Laurent, University Catholique de Louvain, BelgiumFu, Weiling, South-Western Hospital, Chongqing, ChinaGaura, Elena, Coventry University, UKGeng, Yanfeng, China University <strong>of</strong> Petroleum, ChinaGole, James, Georgia Institute <strong>of</strong> Technology, USAGong, Hao, National University <strong>of</strong> Singapore, SingaporeGonzalez de la Rosa, Juan Jose, University <strong>of</strong> Cadiz, SpainGranel, Annette, Goteborg University, SwedenGraff, Mason, The University <strong>of</strong> Texas at Arlington, USAGuan, Shan, Eastman Kodak, USAGuillet, Bruno, University <strong>of</strong> Caen, FranceGuo, Zhen, New Jersey Institute <strong>of</strong> Technology, USAGupta, Narendra Kumar, Napier University, UKHadjiloucas, Sillas, The University <strong>of</strong> Reading, UKHaider, Mohammad R., Sonoma State University, USAHashsham, Syed, Michigan State University, USAHasni, Abdelhafid, Bechar University, AlgeriaHernandez, Alvaro, University <strong>of</strong> Alcala, SpainHernandez, Wilmar, Universidad Politecnica de Madrid, SpainHomentcovschi, Dorel, SUNY Binghamton, USAHorstman, Tom, U.S. Automation Group, LLC, USAHsiai, Tzung (John), University <strong>of</strong> Sou<strong>the</strong>rn Cali<strong>for</strong>nia, USAHuang, Jeng-Sheng, Chung Yuan Christian University, TaiwanHuang, Star, National Tsing Hua University, TaiwanHuang, Wei, PSG Design Center, USAHui, David, University <strong>of</strong> New Orleans, USAJaffrezic-Renault, Nicole, Ecole Centrale de Lyon, FranceJaime Calvo-Galleg, Jaime, Universidad de Salamanca, SpainJames, Daniel, Griffith University, AustraliaJanting, Jakob, DELTA Danish Electronics, DenmarkJiang, Liudi, University <strong>of</strong> Southampton, UKJiang, Wei, University <strong>of</strong> Virginia, USAJiao, Zheng, Shanghai University, ChinaJohn, Joachim, IMEC, BelgiumKalach, Andrew, Voronezh Institute <strong>of</strong> Ministry <strong>of</strong> Interior, RussiaKang, Moonho, Sunmoon University, Korea SouthKaniusas, Eugenijus, Vienna University <strong>of</strong> Technology, AustriaKatake, Anup, Texas A&M University, USAKausel, Wilfried, University <strong>of</strong> Music, Vienna, AustriaKavasoglu, Nese, Mugla University, TurkeyKe, Cathy, Tyndall National Institute, IrelandKhelfaoui, Rachid, Université de Bechar, AlgeriaKhan, Asif, Aligarh Muslim University, Aligarh, IndiaKim, Min Young, Kyungpook National University, Korea SouthSandacci, Serghei, Sensor Technology Ltd., UK
Kotulska, Malgorzata, Wroclaw University <strong>of</strong> Technology, PolandKockar, Hakan, Balikesir University, TurkeyKong, Ing, RMIT University, AustraliaKratz, Henrik, Uppsala University, SwedenKrishnamoorthy, Ganesh, University <strong>of</strong> Texas at Austin, USAKumar, Arun, University <strong>of</strong> South Florida, USAKumar, Subodh, National Physical Laboratory, IndiaKung, Chih-Hsien, Chang-Jung Christian University, TaiwanLacnjevac, Caslav, University <strong>of</strong> Belgrade, SerbiaLay-Ekuakille, Aime, University <strong>of</strong> Lecce, ItalyLee, Jang Myung, Pusan National University, Korea SouthLee, Jun Su, Amkor Technology, Inc. South KoreaLei, Hua, National Starch and Chemical Company, USALi, Fengyuan (Thomas), Purdue University, USALi, Genxi, Nanjing University, ChinaLi, Hui, Shanghai Jiaotong University, ChinaLi, Xian-Fang, Central South University, ChinaLi, Yuefa, Wayne State University, USALiang, Yuanchang, University <strong>of</strong> Washington, USALiawruangrath, Saisunee, Chiang Mai University, ThailandLiew, Kim Meow, City University <strong>of</strong> Hong Kong, Hong KongLin, Hermann, National Kaohsiung University, TaiwanLin, Paul, Cleveland State University, USALinderholm, Pontus, EPFL - Microsystems Laboratory, SwitzerlandLiu, Aihua, University <strong>of</strong> Oklahoma, USALiu Changgeng, Louisiana State University, USALiu, Cheng-Hsien, National Tsing Hua University, TaiwanLiu, Songqin, Sou<strong>the</strong>ast University, ChinaLodeiro, Carlos, University <strong>of</strong> Vigo, SpainLorenzo, Maria Encarnacio, Universidad Autonoma de Madrid, SpainLukaszewicz, Jerzy Pawel, Nicholas Copernicus University, PolandMa, Zhanfang, Nor<strong>the</strong>ast Normal University, ChinaMajstorovic, Vidosav, University <strong>of</strong> Belgrade, SerbiaMalyshev, V.V., National Research Centre ‘Kurchatov Institute’, RussiaMarquez, Alfredo, Centro de Investigacion en Materiales Avanzados, MexicoMatay, Ladislav, Slovak Academy <strong>of</strong> Sciences, SlovakiaMathur, Prafull, National Physical Laboratory, IndiaMaurya, D.K., Institute <strong>of</strong> Materials Research and Engineering, SingaporeMekid, Samir, University <strong>of</strong> Manchester, UKMelnyk, Ivan, Photon Control Inc., CanadaMendes, Paulo, University <strong>of</strong> Minho, PortugalMennell, Julie, Northumbria University, UKMi, Bin, Boston Scientific Corporation, USAMinas, Graca, University <strong>of</strong> Minho, PortugalMoghavvemi, Mahmoud, University <strong>of</strong> Malaya, MalaysiaMohammadi, Mohammad-Reza, University <strong>of</strong> Cambridge, UKMolina Flores, Esteban, Benemérita Universidad Autónoma de Puebla,MexicoMoradi, Majid, University <strong>of</strong> Kerman, IranMorello, Rosario, University "Mediterranea" <strong>of</strong> Reggio Calabria, ItalyMounir, Ben Ali, University <strong>of</strong> Sousse, TunisiaMrad, Nezih, Defence R&D, CanadaMulla, Imtiaz Sirajuddin, National Chemical Laboratory, Pune, IndiaNabok, Aleksey, Sheffield Hallam University, UKNeelamegam, Periasamy, Sastra Deemed University, IndiaNeshkova, Milka, Bulgarian Academy <strong>of</strong> Sciences, BulgariaOberhammer, Joachim, Royal Institute <strong>of</strong> Technology, SwedenOuld Lahoucine, Cherif, University <strong>of</strong> Guelma, AlgeriaPamidighanta, Sayanu, Bharat Electronics Limited (BEL), IndiaPan, Jisheng, Institute <strong>of</strong> Materials Research & Engineering, SingaporePark, Joon-Shik, Korea Electronics Technology Institute, Korea SouthPenza, Michele, ENEA C.R., ItalyPereira, Jose Miguel, Instituto Politecnico de Setebal, PortugalPetsev, Dimiter, University <strong>of</strong> New Mexico, USAPogacnik, Lea, University <strong>of</strong> Ljubljana, SloveniaPost, Michael, National Research Council, CanadaPrance, Robert, University <strong>of</strong> Sussex, UKPrasad, Ambika, Gulbarga University, IndiaPrateepasen, Asa, Kingmoungut's University <strong>of</strong> Technology, ThailandPullini, Daniele, Centro Ricerche FIAT, ItalyPumera, Martin, National Institute <strong>for</strong> Materials Science, JapanRadhakrishnan, S. National Chemical Laboratory, Pune, IndiaRajanna, K., Indian Institute <strong>of</strong> Science, IndiaRamadan, Qasem, Institute <strong>of</strong> Microelectronics, SingaporeRao, Basuthkar, Tata Inst. <strong>of</strong> Fundamental Research, IndiaRao<strong>of</strong>, Kosai, Joseph Fourier University <strong>of</strong> Grenoble, FranceRastogi Shiva, K. University <strong>of</strong> Idaho, USAReig, Candid, University <strong>of</strong> Valencia, SpainRestivo, Maria Teresa, University <strong>of</strong> Porto, PortugalRobert, Michel, University Henri Poincare, FranceRezazadeh, Ghader, Urmia University, IranRoyo, Santiago, Universitat Politecnica de Catalunya, SpainRodriguez, Angel, Universidad Politecnica de Cataluna, SpainRothberg, Steve, Loughborough University, UKSadana, Ajit, University <strong>of</strong> Mississippi, USASadeghian Marnani, Hamed, TU Delft, The Ne<strong>the</strong>rlandsSapozhnikova, Ksenia, D.I.Mendeleyev Institute <strong>for</strong> Metrology, RussiaSaxena, Vibha, Bhbha Atomic Research Centre, Mumbai, IndiaSchneider, John K., Ultra-Scan Corporation, USASengupta, Deepak, Advance Bio-Photonics, IndiaSeif, Selemani, Alabama A & M University, USASeifter, Achim, Los Alamos National Laboratory, USAShah, Kriyang, La Trobe University, AustraliaSankarraj, Anand, Detector Electronics Corp., USASilva Girao, Pedro, Technical University <strong>of</strong> Lisbon, PortugalSingh, V. R., National Physical Laboratory, IndiaSlomovitz, Daniel, UTE, UruguaySmith, Martin, Open University, UKSoleymanpour, Ahmad, Damghan Basic Science University, IranSomani, Prakash R., Centre <strong>for</strong> Materials <strong>for</strong> Electronics Technol., IndiaSrinivas, Talabattula, Indian Institute <strong>of</strong> Science, Bangalore, IndiaSrivastava, Arvind K., NanoSonix Inc., USAStefan-van Staden, Raluca-Ioana, University <strong>of</strong> Pretoria, South AfricaStefanescu, Dan Mihai, Romanian Measurement Society, RomaniaSumriddetchka, Sarun, National Electronics and Computer Technology Center,ThailandSun, Chengliang, Polytechnic University, Hong-KongSun, Dongming, Jilin University, ChinaSun, Junhua, Beijing University <strong>of</strong> Aeronautics and Astronautics, ChinaSun, Zhiqiang, Central South University, ChinaSuri, C. Raman, Institute <strong>of</strong> Microbial Technology, IndiaSysoev, Victor, Saratov State Technical University, RussiaSzewczyk, Roman, Industrial Research Inst. <strong>for</strong> Automation and Measurement,PolandTan, Ooi Kiang, Nanyang Technological University, Singapore,Tang, Dianping, Southwest University, ChinaTang, Jaw-Luen, National Chung Cheng University, TaiwanTeker, Kasif, Frostburg State University, USAThirunavukkarasu, I., Manipal University Karnataka, IndiaThumbavanam Pad, Kartik, Carnegie Mellon University, USATian, Gui Yun, University <strong>of</strong> Newcastle, UKTsiantos, Vassilios, Technological Educational Institute <strong>of</strong> Kaval, GreeceTsigara, Anna, National Hellenic Research Foundation, GreeceTwomey, Karen, University College Cork, IrelandValente, Antonio, University, Vila Real, - U.T.A.D., PortugalVanga, Raghav Rao, Summit Technology Services, Inc., USAVaseashta, Ashok, Marshall University, USAVazquez, Carmen, Carlos III University in Madrid, SpainVieira, Manuela, Instituto Superior de Engenharia de Lisboa, PortugalVigna, Benedetto, STMicroelectronics, ItalyVrba, Radimir, Brno University <strong>of</strong> Technology, Czech RepublicWandelt, Barbara, Technical University <strong>of</strong> Lodz, PolandWang, Jiangping, Xi'an Shiyou University, ChinaWang, Kedong, Beihang University, ChinaWang, Liang, Pacific Northwest National Laboratory, USAWang, Mi, University <strong>of</strong> Leeds, UKWang, Shinn-Fwu, Ching Yun University, TaiwanWang, Wei-Chih, University <strong>of</strong> Washington, USAWang, Wensheng, University <strong>of</strong> Pennsylvania, USAWatson, Steven, Center <strong>for</strong> NanoSpace Technologies Inc., USAWeiping, Yan, Dalian University <strong>of</strong> Technology, ChinaWells, Stephen, Sou<strong>the</strong>rn Company Services, USAWolkenberg, Andrzej, Institute <strong>of</strong> Electron Technology, PolandWoods, R. Clive, Louisiana State University, USAWu, DerHo, National Pingtung Univ. <strong>of</strong> Science and Technology, TaiwanWu, Zhaoyang, Hunan University, ChinaXiu Tao, Ge, Chuzhou University, ChinaXu, Lisheng, The Chinese University <strong>of</strong> Hong Kong, Hong KongXu, Sen, Drexel University, USAXu, Tao, University <strong>of</strong> Cali<strong>for</strong>nia, Irvine, USAYang, Dongfang, National Research Council, CanadaYang, Shuang-Hua, Loughborough University, UKYang, Wuqiang, The University <strong>of</strong> Manchester, UKYang, Xiaoling, University <strong>of</strong> Georgia, A<strong>the</strong>ns, GA, USAYaping Dan, Harvard University, USAYmeti, Aurel, University <strong>of</strong> Twente, Ne<strong>the</strong>rlandYong Zhao, Nor<strong>the</strong>astern University, ChinaYu, Haihu, Wuhan University <strong>of</strong> Technology, ChinaYuan, Yong, Massey University, New ZealandYufera Garcia, Alberto, Seville University, SpainZakaria, Zulkarnay, University Malaysia Perlis, MalaysiaZagnoni, Michele, University <strong>of</strong> Southampton, UKZamani, Cyrus, Universitat de Barcelona, SpainZeni, Luigi, Second University <strong>of</strong> Naples, ItalyZhang, Minglong, Shanghai University, ChinaZhang, Qintao, University <strong>of</strong> Cali<strong>for</strong>nia at Berkeley, USAZhang, Weiping, Shanghai Jiao Tong University, ChinaZhang, Wenming, Shanghai Jiao Tong University, ChinaZhang, Xueji, World Precision Instruments, Inc., USAZhong, Haoxiang, Henan Normal University, ChinaZhu, Qing, Fujifilm Dimatix, Inc., USAZorzano, Luis, Universidad de La Rioja, SpainZourob, Mohammed, University <strong>of</strong> Cambridge, UKSensors & Transducers Journal (ISSN 1726-5479) is a peer review international journal published monthly online by International Frequency Sensor Association (IFSA).Available in electronic and on CD. Copyright © 2011 by International Frequency Sensor Association. All rights reserved.