School of Microelectronic Engineering (Articles): Recent submissions

Now showing items 81-100 of 185

    • Effects of elevated temperatures on the thermal behavior and mechanical performance of fly ash geopolymer paste, mortar and lightweight concrete 

      Omar A., Abdulkareem; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Dr.; Saif, Ala’eddin A. (Elsevier, 2014-01)
      This paper reports a comparative study of the influence of elevated temperature on geopolymer paste, mortars and lightweight aggregate geopolymer concrete (LWAGC) systems made by using fly ash (FA) as only source material. ...

    • Wire bond shear test simulation on sharp groove surface bond pad 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Taniselass, Steven; Ahmad Husni, Mohd Shapri; Vairavan, Rajendaran (Trans Tech Publications, 2012-12)
      Wire bonding process is first level interconnection technology used in the semiconductor packaging industry. The wire bond shear tests are used in the industry to examine the bond strength and reliability of the bonded ...

    • Polymer core BGA stress analysis at minimal vertical loading 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Steven, Taniselass; Norazeani, Abdul Rahman; Muhamad Hafiz, Ab Aziz (Trans Tech Publications, 2012-12)
      Ball grid array is an interconnection method widely used in the electronic packaging industry. The reliability of the solder ball is being improved by introducing new materials for the solder ball. In this study, the stress ...

    • Shear ram height investigation for gold wire bond shear test 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Ahmad Husni, Mohd Shapri; Taniselass, Steven; Ong, T.S. (Trans Tech Publications, 2012-12)
      This paper presents the simulation of gold wire bond shear test. The stress and strain response of the gold ball bond during wire bond shear was examined. The simulation was done using a A 3D non-linear finite element ...

    • Wire bond shear test simulation on hemispherical surface bond pad 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Wan Mokhzani, Wan Norhaimi; Johari, Adnan, Assc. Prof. Dr.; Palianysamy, Moganraj (Trans Tech Publications, 2012-12)
      Wire bonding process is an interconnection method adopted in the semiconductor packaging manufactory. One of the method used to assess the reliability and bond strength of the bonded wires are wire bond shear test .In this ...

    • L, C and X band integrated synthetic aperture radar (SAR) receiver 

      Faizah, Abu Bakar; Holmberg, Jan; Nieminen, Tero E.; Nehal, Qaiser; Ukkonen, Pekka; Saari, Ville; Halonen, Kari A I; Åberg, Markku H.; Sundberg, Iiro (Springer Science+Business Media New York, 2013-12)
      An integrated receiver consisting of RF front ends, analog baseband (BB) chain with an analog to digital converter (ADC) for a synthetic aperture radar (SAR) implemented in 130 nm CMOS technology is presented in this paper. ...

    • 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 ...

    • Symmetry energy of nuclear matter at low densities and clustering at the nuclear surface 

      Zaliman, Sauli, Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Qamar Nasir, Usmani, Prof. Dr. (IOP Publishing Ltd, 2012)
      We present a density functional theory which connects nuclear matter equation of state, which incorporates clustering at low densities, with clustering in medium and heavy nuclei at the nuclear surface. This explains the ...

    • 5-11 GHz CMOS PA with 158.9 ± 41 ps group delay and low power using current-reused technique 

      Rohana, Sapawi, Dr.; Sohiful Anuar, Zainol Murad, Dr.; Dayang Azra, Awang Mat (Elsevier GmbH, 2012-11)
      This paper proposes the design of a low group delay and low power ultra-wideband (UWB) power amplifier (PA) in 0.18 μm CMOS technology. The PA design employs two stages cascade with inductive peaking technique to provide ...

    • Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric 

      Rozana Aina, Maulat Osman, Dr.; Masó, Nahum; West, Anthony R. (The American Ceramic Society, 2012-01)
      Fixed frequency plots of ε and tan δ versus temperature for (Bi 1.5Zn 0.5)(Zn 0.5Nb 1.5)O 7 (BZN) ceramics with the pyrochlore structure show relaxor-like response below ∼180 K with frequency-independent permittivity of ...

    • Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications 

      Sohiful Anuar, Zainol Murad, Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Pokharel, Ramesh Kumar, Prof.; Kanaya, Haruichi, Assoc. Prof.; Yoshida, Keiji, Prof (John Wiley & Sons, Inc., 2012-04)
      This letter presents linearity improvement up-conversion mixer at 5.2 GHz for wireless applications. The design is based on Gilbert-cell active double-balanced mixer using derivative superposition method for linearity ...

    • Silica microchannel fabrication using fluorine based rie with alas a mask 

      Wan Mokhzani, Wan Norhaimi; Retnasamy, Vithyacharan; Zaliman, Sauli, Assoc. Prof. Dr.; Taniselass, Steven; Ahmad Husni, Mohd Shapri; Norazeani, Abdul Rahman; Abdul Halis, Abdul Aziz (INSInet Publications, 2012-09)
      The silica microchannel fabrication process has been executed with Al thin films as the sacrificial layer during Reactive Ion Etching Process (RIE). CF4/Ar and SF6/Ar plasmas has been used to investigate etch rate of Al ...

    • Shear ram speed characterization for copper wire bond shear test 

      Zaliman, Sauli, Prof. Madya Dr.; Retnasamy, Vithyacharan; Ahmad Husni, Mohd Shapri; Norazeani, Abdul Rahman; Wan Mokhzani, Wan Norhaimi; Taniselass, Steven; Abdul Halis, Abdul Aziz (Trans Tech Publications, Switzerland., 2012)
      This paper presents the evaluation of the stress and strain response of the copper ball bond during wire bond shear test using finite element analysis. A 3D non-linear finite element model was developed for the simulation. ...

    • Design, simulation and characterization of moly permalloy based electromagnetic sensor 

      Palianysamy, M.; Raman, M.; Shaiful Nizam, Mohyar; Wan Mokhzani, Wan Norhaimi; Ruhaizi, Mohd Hatta; Zaliman, Sauli, Prof. Madya (Trans Tech Publications, Switzerland., 2012)
      In this paper it is shown the design, simulation and characterization of Moly Permalloy based electromagnetic sensor in MEMS software. The dimension of the device is minimized to the smallest the software can simulate which ...

    • Improved particle swarm optimization (PSO) for performance optimization of electronic filter circuit designs 

      Chong, Woon Kien; Neoh, Siew Chin, Dr. (Trans Tech Publications, Switzerland., 2012)
      This article discusses and analyzes particle swarm optimization (PSO) approach in the design and performance optimization of a 4th-order Sallen Key high pass filter. Three types of particle swarm features are studied: basic ...

    • The SEM & AFM images of MEH-PPV films below CLA region 

      Nurjuliana, Juhari; Wan Haliza, Abd Majid, Prof. Dr.; A. I., Zainol (Elsevier Ltd., 2013)
      Poly [2-methoxy-5--ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) is an example of conducting polymer that used to fabricate an organic light emitting diode (OLED). The surface roughness and homogeneity of MEH-PPV film ...

    • Infant cry classification to identify asphyxia using time-frequency analysis and radial basis neural networks 

      Muthusamy, Hariharan; Jeyaraman, Saraswathy; Sindhu, Ravindran; Wan Khairunizam, Wan Ahmad, Dr.; Sazali, Yaacob, Prof. Dr. (Elsevier Ltd, 2012-08)
      A cry is the first verbal communication of infants and it is described as a loud, high-pitched sound made by infants in response to certain situations. Infant cry signals can be used to identify physical or psychological ...

    • 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, ...

    • 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. ...

    • IR-induced features of AgGaGeS 4 crystalline semiconductors 

      Davydyuk, G.Y.; Myronchuk, G.L.; Lakshminarayana, G.; Yakymchuk, O.V.a; Reshak, A.H.; Wojciechowski, A.; Rakus, P,; Alzayed, N.; Chmiel, K M.; Kityk, I.V.; Parasyuk, O.V. (Elsevier Ltd., 2012-03)
      Complex investigations of the photoconductivity and photoinduced absorption together with the piezoelectric features were performed for the AgGaGeS 4 semiconducting single crystals under the influence of 3.5 μs CO 2 (80 ...