Now showing items 61-80 of 185

    • Interaction relationship analysis of surface roughness on aluminium etched wafer using RIE 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Wei Wei, Ng (Trans Tech Publications, 2014)
      This paper presents the interaction relationships between Tetrafluoromethane (CF₄) gas, Oxygen (O₂) gas, and RF power in response to the surface roughness of an Aluminium deposited wafer after being etched using Reactive ...
    • Height measurement based on fringe projection 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Nor Shakirina, Nadzri; Veriven, Christopher John (Trans Tech Publications, 2014)
      A three-dimensional surface measurement using fringe projection technique has received attention among the researches for the last few decades.However choosing the best method is the challenge because one needs to consider ...
    • Surface roughness analysis on reactive ion etched aluminium deposited wafer 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on an Aluminium deposited wafer after reactive ion etching (RIE) using a combination of Tetrafluoromethane (CF₄) and Oxygen (O₂) gaseous. A total of ...
    • Surface roughness scrutinizaton with RIE CF₄+Argon gaseous on platinum deposited wafer 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Aluminium metallization has a disadvantage when it comes to high-end applications as it cannot withstand the high temperature and pressure. This paper studies the factors that affect the surface roughness on a Platinum ...
    • Investigation of surface roughness on platinum deposited wafer after reactive ion etching using SF₆+Argon gaseous 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on a Platinum deposited wafer after reactive ion etching (RIE) using a combination of SF₆ and Argon gaseous. A total of three controllable process ...
    • Velocity profile investigation of FFS microchannel at Re 100 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Taniselass, Steven; Nor Shakirina, Nadzri; Hsio Mei, Tan; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Recently, microfluidics system has been widely employed in various areas for instance biomedical,pharmaceuticals and cell biological researchdue to its advantages. The flow behavior in microchannels with different ...
    • Fibrous material surface reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nur Izza, Mohd Nor; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      The light inspection on surface finishing of most product measurement is an important feature in the industries. In this study, a lab module tester for examination on the different type quality of tissue paper quality was ...
    • Physical characterization of BST with different (x') ratios 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Nowdays Barium strontium titanate (BST) can be applied into many fields of engineering. Its properties attracted more researchers to research and apply it into many fields of study. In this work, sol-gel method of preparing ...
    • 3D shape measurement and reconstruction using fringe projection 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nor Shakirina, Nadzri; Veriven, Christopher John (Trans Tech Publications, 2014)
      Digital fringe projection technique using phase shifting method has been studied extensively for generatingthree dimensional (3D) surface information. The aim of this paper is to develop a simple automated optical inspection ...
    • 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 ...
    • Improved addition and subtraction in logarithmic number system: Technique and analysis 

      Rizalafande, Che Ismail, Dr.; Norzahiyah, Nordin; Asral, Bahari Jambek, Dr. (AENSI Publisher All rights reserved, 2013-10)
      Logarithmic Number System (LNS) is an alternative beside Floating Point (FLP) when an application requires a large dynamic range in the number processed. It allows simple implementation of multiplication and division using ...
    • 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 ...
    • Improved subtraction function for logarithmic number system 

      Rizalafande, Che Ismail, Dr.; Sohiful Anuar, Zainol Murad, Dr.; Razaidi, Hussin; Coleman, John Nicholas (Elsevier Ltd., 2013)
      Logarithmic number system can be highly considered as an alternative to floating-point, specifically for applications that require a wide dynamic range of numbers for their arithmetic operations. To date, its implementation ...
    • 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 ...
    • Design optimization of low power and low frequency vibration based MEMS energy harvester 

      Hasnizah, Aris; David, Fitrio; Jack, Singh (Trans Tech Publications, 2014)
      The development and utilization of different structural materials, optimization of the cantilever geometry and power harvesting circuit are the most commonly methods used to increase the power density of MEMS energy ...
    • Structure refinement strategy of Li-based complex oxides using GSAS-EXPGUI software package 

      Mohd Sobri, Idris, Dr.; Rozana Aina, Maulat Osman, Dr.  (Trans Tech Publications, 2013)
      This paper discussed refinement strategy that been used to reveal crystallographic properties of lithium-based complex oxides with layered rock salt structure. Rietveld analysis using XRD data was used to determine the ...
    • Determination of interlayer mixing and oxygen non-stoichiometry in LiNi0.8Mn0.1Co0.1O2-δ using powder diffraction data 

      Mohd Sobri, Idris, Dr.; Rozana Aina, Maulat Osman, Dr.  (Trans Tech Publications, 2013)
      The effect of preparation conditions, temperature and atmosphere, on oxygen stoichiometry and interlayer cation mixing in the layered rock salt material LiNi0.8Mn0.1Co0.1O2-δ has been investigated using X-Ray powder ...
    • A hybrid expert system approach for telemonitoring of vocal fold pathology 

      Hariharan, Muthusamy, Dr.; Kemal, Polatb; Sindhu, Ravindran; Sazali, Yaacob, Prof. Dr. (Elsevier B.V., 2013)
      Acoustical parameters extracted from the recorded voice samples are actively pursued for accurate detection of vocal fold pathology. Most of the system for detection of vocal fold pathology uses high quality voice samples. ...
    • 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 ...
    • Design of UHF harmonic butterworth low pass filter for portable 2 ways-radio 

      Liew, Hui Fang; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Yufridin, Wahab, Dr.; Norshafinash, Saudin (Engg Journals Publications, 2013)
      This paper presents the design of a compact Butterworth low pass filter designed operating at frequency range of 300-400MHz with input and output impedance of 50 ohm have been designed, simulated and fabricated. This filter ...