Now showing items 21-40 of 185

    • The characterization of power supply noise for optical mouse sensor 

      Mohd Khairuddin, Md Arshad; Uda, Hashim; Ming, Choo Chew (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      The induced power supply noise (sinusoidal waveform) that injected to Vdd pin will cause unwanted spike at the positive amplitude and negative amplitude to the DC input voltage. At certain limit this spike will cause the ...
    • Characterization of robust alignment mark to improve alignment performance 

      Normah, Ahmad; Uda, Hashim; Mohd Jefrey, Manaf; Kader, Ibrahim (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      Overlay requirement is one of the biggest obstacles in achieving a very small feature. With the continued growth of small feature size, overlay requirement becomes tighter. Such a tight requirement requires a very high ...
    • A comparative analysis between logarithmic number system and floating-point ALU 

      Rizalafande, Che Ismail, Dr.; Coleman, John Nicholas; Norzahiyah, Nordin; Zaliman, Sauli, Dr. (AENSI Publisher All rights reserved, 2013-10)
      The ease and accuracy of executing the multiplication and division operations by using either fixed-point addition or subtraction is what makes the logarithmic number system an attractive option. However, its main drawback ...
    • Comparative study of natural anthocyanins compound as photovoltaic sensitizer 

      Suriati, Suhaimi; Mukhzeer, Mohamad Shahimin, Dr.; Ili Salwani, Mohamad; Mohd Natashah, Norizan (AENSI Publisher All rights reserved, 2013-10)
      Fabrication and characterization of different natural dyes extracts of dye sensitized solar cell (DSSC) are reviewed in this paper. Inorganic metal complex, N3 dye is also studied as a comparison. The paper focussed on the ...
    • A comparative study of wavelet families for classification of wrist motions 

      Muthusamy, Hariharan; Chong, Yen Fook; Sindhu, Ravindran; Bukhari, Ilias; Sazali, Yaacob, Prof. Dr. (Elsevier Ltd., 2012-11)
      The selection of most suitable mother wavelet function is still an open research problem in various signal and image processing applications. This paper presents a comparative study of different wavelet families (Daubechies, ...
    • Comparative study on human and bovine AT-SC isolation methods 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Fhataheya, Buang (Elsevier Ltd., 2013-11)
      Mammalian adipose tissue derived stem cells (AT-SC) have a tremendous potential in regenerative medicine for tissue engineering and somatic nuclear transfer (SNT). The isolation methods of human and bovine adipose tissue ...
    • Conventional photolithography and process optimization of pattern- size expansion technique for nanogap biosensor fabrication 

      Balakrishnan, Sharma Rao; Muhammad Nurfaiz, Asri; Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      For a submicron photolithography process, there is little room for error. In this paper, an optimized technique for photoresist (PR) development is reported, to fabricate a nanogap biosensor for application in biomedical ...
    • Core nucleus dynamics in Λ hypernuclei 

      Qamar Nasir, Usmani; Bodmer, A. R.; Zaliman, Sauli, Prof. Madya (World Scientific Publishing Co, 2009-06)
      We develop a Thomas Fermi theory to study the core polarization effects in Λ hypernuclei. Nuclei in the range of 10B to 243Am are included. Core polarization energies and changes in rms radii due to presence of Λ are ...
    • Core nucleus polarization in Λ hypernuclei 

      Usmani, Q. N.; Bodmer, A. R.; Zaliman, Sauli (The American Physical Society, 2008-03)
      The response of the core nucleus to the Λ in a hypernucleus is studied with a local density approximation. This reproduces the energies and radii of the core nuclei as well as the Λ-single particle (s.p.) energies quite ...
    • Correlation between the chemical composition and the conduction mechanism of barium strontium titanate thin films 

      Saif, Ala'eddin A.; Prabakaran, Poopalan (Elsevier B.V., 2011-06-30)
      Sol-gel barium strontium titanate thin films with different barium-to-strontium (Ba:Sr) values have been fabricated as MFM configurations. The Perovskite phase for the films is confirmed via XRD. In order to correlate the ...
    • CuDia slug size variation analysis on heat dissipation of high power LED 

      Vairavan, Rajendaran; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr. (Trans Tech Publications, 2014-01)
      The current advancement of LED has prompt thermal challenges from the packaging point of view. The reliability of the LED is significantly influenced by each of its packaging component. This paper presents the investigation ...
    • Cylindrical shape slug heat conduction numerical analysis using copper material 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Vairavan, Rajendaran (AENSI Publications, 2013-10)
      High power light emitting diodes have the edge over the conventional lighting system in terms of efficiency, low energy consumption and long operational lifetime. Nevertheless, the heat dissipation issue of the high power ...
    • Degradation of single layer MEH-PPV organic light emitting diode (OLED) 

      Nurjuliana, Juhari; Wan Haliza, Abd. Majid; Zainol Abidin, Ibrahim (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      The degradation process of a single layer electroluminescence (EL) polymer MEH-PPV organic light emitting diode (OLED) with the MEH-PPV thickness of 57plusmn3 nm is discussed. Typical structure of OLED fabrication is ...
    • Density functional calculation for the first and second harmonic generation of the chalcopyrite Ga2AsSb 

      Reshak, Ali Hussain; Ouahrani, T.; Khenata, R.; Otero-de-la-Roza, A.; Luana, V.; Baltache, H. (Elsevier B. V., 2011-01)
      An ab initio study of the band structure, density of states, topology of the electron density and the spectral features of the linear and non-linear optical properties of the Ga2AsSb chalcopyrite are presented. The lattice ...
    • Density functional calculations, electronic structure, and optical properties of molybdenum bimetallic nitrides Pt2Mo3N and Pd2Mo3N 

      Ali Hussain, Reshak, Prof. Dr.; Auluck, S.; Kityk, I. V. (American Chemical Society, 2011-04-07)
      The electronic band structure, origin of chemical bonds, and dispersion of linear optical susceptibilities for Pt2Mo3N and Pd 2Mo3N have been investigated within the framework of density functional theory (DFT). The atomic ...
    • Design and analysis of various microcantilever shapes for MEMS based sensing 

      Huzein Fahmi, Hawari; Yufridin, Wahab, Dr.; M. T., Azmi; Ali Yeon, Md Shakaff, Prof. Dr.; Uda, Hashim, Prof. Dr.; Shazlina, Johari, Dr. (Institute of Physics Publishing, 2014)
      One the major requirements for sensing devices is its sensitivity. This paper presents the design, analysis and simulation of various types of MEMS based microcantilevers shapes and their influence on sensing sensitivity. ...
    • Design and analysis of wideband ladder-type film bulk acoustic wave resonator filters in Ku-band 

      Nurul Izza, Mohd Nor, Dr.; Kriyang, Shah; Singh, Jugdutt; Zaliman, Sauli, Dr. (Hindawi Publishing Corporation, 2013)
      This paper presents the design of ladder-type filters based on film bulk acoustic wave resonator (FBAR) in Ku-band. The proposed FBAR filter has an insertion loss of -3 dB, out-of-band rejection of -12 dB and 3 dB bandwidth ...
    • Design and Analysis of XOR Logic Gate Based on Two-Photon Absorption 

      Nazir, N.S.; Wahid, M.H.A.; Hambali, N.A.M.A.; Shahimin, M.M.; Khairuddin, N.Z.; Hasanuddin, N.H.; Ramli, M. M. (EDP Sciences, 2016)
      Two-photon absorption with high intensity pump beam occurs in a SOA depends on fast phase change of a weak probe signal. This work analysed optical XOR logic function using two-photon absorption induced fast phase change. ...
    • Design and fabrication of Microfluidic devices: MOSFET & Capacitor 

      Osman, R. A.; Esa, S. R.; Prabakaran, Poopalan (Institute of Electrical and Electronics Engineers (IEEE), 2006)
      Microfluidic devices, based on silicon, are fabricated by photolithography, wet chemical etching with focus on an liquid conduction channel n-channel depletion MOSFET and a silica-liquid dielectric capacitor. Masks for ...
    • Design and simulation of film bulk acoustic wave resonator in kuband 

      Nurul Izza, Mohd Nor, Dr.; Kriyang, Shah; Singh, Jugdutt; Zaliman, Sauli, Dr. (Trans Tech Publications, 2013)
      This paper presents the design of a Film Bulk Acoustic Wave Resonators (FBARs) operating in Ku-band. The one-dimensional (1-D) numerical and the three-dimension (3-D) Finite Element Method (FEM) simulation results are ...