Browsing School of Microelectronic Engineering (Articles) by Title

Now showing items 119-138 of 185

    • Main effects study on plasma etched aluminium metallization 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow (Trans Tech Publications, 2014-01)
      Main effects contributing to the quality of surface roughness on an etched aluminium metallization wafer using Reactive Ion Etching (RIE) was studied. A total of three controllable process variables, with eight sets of ...

    • Measurements and analysis of a probe-fed circularly polarized loop antenna printed on a layered dielectric sphere 

      Mohd Najib, Mohd Yasin, Dr.; Salam, Khamas, Dr. (Institute of Electrical and Electronics Engineers, 2012-04)
      Radiation characteristics of a probe-fed open circular loop antenna are presented when the antenna isprinted on a layered dielectric sphere. A smaller parasitic circular loop has been incorporated in the configuration to ...

    • Microchannel miter bend effects on pressure equalization and vortex formation 

      Taniselass, S.; Retnasamy, Vithyacharan; Poopalan, Prabakaran, Prof. Madya Dr. (Springer-Verlag, 2011)
      Simulations have been carried out for water flow in a square microchannel with a miter bend. The simulation considered a pressure-driven flow in a channel-hydraulic diameter of 5 μm for series of Reynolds number (Re) range ...

    • Microfluidic channel depth determination with Tywman-Green interferometer 

      Wan Mokhdzani, Wan Nor Haimi; Zaliman, Sauli, Prof. Madya Dr.; Retnasamy, Vithyacharan; Taniselass, S.; N., Ramli; M. H. A. Aziz; R., Hatta (Springer-Verlag London., 2013-07)
      A microfluidic channel is fabricated on a silica wafer using reactive ion etching (RIE). The depth of the microfluidic channel has been measured using a surface profilometer and a Twyman-Green interferometer (TGI) setup. ...

    • Modelling RTN and BTI in nanoscale MOSFETs from device to circuit: a review 

      Louis, Gerrer; Ding, J.; Amoroso, S. M.; Adamu-Lema, F.; R., Hussin; Reid, D.; Millar, C.; Asenov, A. (Elsevier, 2014-04)
      In this paper we summarize the impact of Statistical Variability (SV) on device performances and study the impact of oxide trapped charges in combination with SV. Traps time constants are described and analysed in combination ...

    • Modified CMFB circuit with enhanced accuracy for data converter application 

      Mohd Fairus, Ahmad; Sohiful Anuar, Zainol Murad; Mukhzeer, Mohamad Shahimin; Shamsul Amir, Abdul Rais; Ahmad Fariz, Hasan (Trans Tech Publications, 2014)
      Enhanced feedback voltage of common mode feedback (CMFB) circuit is designed in this work for CMOS data sampling application using 0.18-μm Silterra process technology. The double error detecting point circuit is employed ...

    • Monitoring System for uninterruptible power supply 

      Sohiful Anuar, Zainol Murad; Mohd Nazrin, Md Isa; Norazeani, Abdul Rahman (Science Publications, 2007)
      In industrial process today, reliability of equipment is very important. Power supply must be able to cater the need of industrial process. In case of power failure, backup power supply system must be able to support the ...

    • Nano patterning of cone dots and nano constrictions of negative e-beam resist for single electron transistor fabrication 

      Sutikno, Madnasri; Uda, Hashim; Zul Azhar, Zahid Jamal (Springer New York, 2007-12)
      We present an optimization of nano dot of negative tone e-beam resist which is a very important step in single electron transistor fabrication process. The optimum design of dot and nano constriction plays a significant ...

    • Nano-silver microcavity enhanced UV GaN light emitter 

      Naser Mahmoud, Ahmed; Zaliman, Sauli; Uda, Hashim; Zul Azhar, Zahid Jamal (Inderscience Enterprises Limited, 2009)
      We report results of measurements that help to clarify the role of silver in the reflection of UV emission light from GaN. A GaN as an active layer was sandwiched between two silver metal reflectors. GaN layer on sapphire ...

    • Nanowire formation for single electron transistor using SEM based Electron Beam Lithography (EBL) technique: Positive tone vs negative tone e-beam resist 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim; Nur Hamidah, Abdul Halim; Bajuri, S. N M (Nano Science and Technology Institute, 2006)
      Experimental studies of nanowires formation are carried out by using Scanning Electron Microscope Based Electron Beam Lithography (EBL) Technique with critical dimensions in less than 100nm. In order to complete the design ...

    • Natural heat convection analysis on cylindrical Al slug of LED 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah; Nazuhusna, Khalid (Trans Tech Publications, 2014-01)
      This paper presents the characterization of a single chip high power LED package through simulation. Ansys version 11 was used for the simulation. The characterization of the LED package with aluminum cylindrical heat slug ...

    • Normal and hypoacoustic infant cry signal classification using time-frequency analysis and general regression neural network 

      Hariharan, Muthusamy, Dr.; Sindhu, R; Sazali, Yaacob, Prof. Dr. (Elsevier Ireland Ltd., 2012-11)
      Crying is the most noticeable behavior of infancy. Infant cry signals can be used to identify physical or psychological status of an infant. Recently, acoustic analysis of infant cry signal has shown promising results and ...

    • Nuclear matter and surface clustering 

      Qamar Nasir, Usmani, Prof. Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Zaliman, Sauli, Dr. (IOP Publishing Ltd, 2013)
      We demonstrate that the binding energy per nucleon of symmetric nuclear matter (SNM) (with Coulomb interaction switched off and N Z) in the limit of zero density approaches to its value, uv, at the saturation density, where ...

    • Numerical analysis of velocity profile in a FFS microchannel 

      Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      Manipulation of the fluid flow behavior in microfluidic with precision technique is crucial to satisfy the needs of miniaturized systems. Velocity measurement is one of the physical phenomena plays significant role to ...

    • Objective evaluation of speech dysfluencies using wavelet packet transform with sample entropy 

      Hariharan, Muthusamy, Dr.; Chong, Yen Fook; Sindhu, Ravindran; Abdul Hamid, Adom, Prof. Dr.; Sazali, Yaacob, Prof. Dr. (Elsevier Inc, 2013-05)
      Dysfluency and stuttering are a break or interruption of normal speech such as repetition, prolongation, interjection of syllables, sounds, words or phrases and involuntary silent pauses or blocks in communication. Stuttering ...

    • On the electronic nature of silicon and germanium based oxynitrides and their related mechanical, optical and vibrational properties as obtained from DFT and DFPT 

      Souraya, Goumri-Said; Kanoun-Bouayed, Nawel; Ali Husain, Reshak, Prof. Dr.; Mohammed Benali, Kanoun (Elsevier B.V., 2012-02)
      Electronic structure, bonding and optical properties of the orthorhombic oxynitrides Si2N2O and Ge2N2O are studied using the density function theory as implemented in pseudo-potential plane wave and fullpotential (linearized) ...

    • Operating temperature analysis of LED with cylindrical Cu slug 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan (Trans Tech Publications, 2014-01)
      High power light emitting diodes is the new era of lighting due to momentous supremacy in terms of lighting efficacy over traditional lighting systems. The reliability of LED is dependent on its junction temperature. This ...

    • Optical investigations using ultra-soft pseudopotential calculations of Si0.5Ge0.5 alloy 

      Y., Al-Douri; Y. P., Feng; A. C. H., Huan (Elsevier Ltd, 2008-12)
      Ultra-soft pseudopotential (US-PP) calculations with a powerful package called VASP (Vienna ab initio simulation package) are used. The total density of state and the energy gap of Si0.5Ge0.5 alloy of zinc-blende structure ...

    • Optimal selection of long time acoustic features using GA for the assessment of vocal fold disorders 

      Sindhu, Ravindran; Neoh, Siew Chin, Dr.; Muthusamy, Hariharan, Dr. (Trans Tech Publications, 2013)
      In recent times, vocal fold problems have been increasing dramatically due to unhealthy social habits and voice abuse. Non-invasive methods like acoustic analysis of voice signals can be used to investigate such problems. ...

    • Oscillatory dynamical switching system of bulk ferroelectrics 

      Mohamad Nazri, Abdul Halif; S. Daud; Junaidah Osman (Science Publications, 2005)
      This study gives a detailed account of calculation of the bulk ferroelectric (FE) oscillatory dynamical system switching for first and second-order phase transition, respectively. All the formalism is delineated in the ...