Now showing items 1-20 of 237

    • An ab initio study of the electronic structure and optical properties of CdS1-xTex alloys 

      Yarub, Al - Douri; Ali Hussain, Reshak, Prof. Dr.; H., Baaziz; Z., Charifi; R., Khenata; S., Ahmad; Uda, Hashim, Prof. Dr. (Elsevier Ltd., 2010-12)
      The structural, electronic and optical properties of cubic CdS1-xTex alloys, with Te-concentrations varying from 0% up to 100% are investigated. The calculations are based on the total-energy calculations using the full ...
    • Advances in biosensors: Principle, architecture and applications 

      Veeradasan, Perumal; Uda, Hashim, Prof. Dr. (Elsevier, 2014-01)
      The ability to detect pathogenic and physiologically relevant molecules in the body with high sensitivity and specificity offers a powerful opportunity in the early diagnosis and treatment of diseases. Early detection and ...
    • Affordable and Effective Microelectronic Engineering Teaching Package for Undergraduate Programme 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohammad Nuzaihan, Md Nor (International Exhibition of Inventions, 2006-04-05)
      The package, which is fully designed developed, using KUKUM in house expertise, is the first teaching laboratory that is purposely built for undergraduate microelectronic program in Malaysia.
    • Alignment mark architecture effect on alignment signal behavior in advanced lithography 

      Normah, Ahmad; Uda, Hashim; Mohd Jeffrey, Manaf; Kader Ibrahim, Abdul Wahab (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      The downscaling of CMOS technology becomes a challenge to the scanner alignment system since overlay and alignment accuracy becomes tighter. Such a tight overlay requirement requires a very stable alignment performance. A ...
    • Alternative-current electrochemical etching of uniform porous silicon for photodetector applications 

      Husnen R., Abd; Yarub, Al-Douri, Assoc. Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; Uda, Hashim, Prof. Dr. (Electrochemical Science Group, 2013)
      The twining of alternative-current (AC) with electrochemical etching (ECE) to fabricate porous silicon (PS) is studied. The porosity percentage is obtained by gravimetric analysis. The effect of different current densities; ...
    • Analysis of capillary filling in micro channels for passive fluid dynamics in Nano lab on chip domain 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Thikra S., Dhahi; M. Wesam, Al-Mufti; Khaled Emraje, Mohamed Elderjy (Trans Tech Publications, 2014)
      A fluid dynamics in a micro channel for analytical chemistry and different aspects of this type of flow for specific application has remained a long-acting problem in the last two decades considering its numerus applications ...
    • Analysis of optimum dispatching policies for semiconductor fabrication 

      Mohd Azizi, Chik; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This paper focuses on the comparison of the lot dispatching policies to reveal results for optimum product cycle time. The model is based on the 200mm-wafer size, 12K product Work In Progress (WIP), 10 product mixes in the ...
    • Analysis of pork adulteration in commercial burgers targeting porcine-specific mitochondrial cytochrome B gene by TaqMan probe real-time polymerase chain reaction 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Thikra, S. Dhahi; Mustafa, Shuhaimi, Assoc. Prof. Madya Dr.; Yaakob, Che Man, Prof. Dato' Dr.; Md Abdul Latif, Dr. (Springer-Verlag, 2012-08)
      A TaqMan probe real-time polymerase chain reaction assay was developed for the determination of pork adulteration in commercial burgers. The assay combined porcine-specific primers and TaqMan probe for the selective ...
    • Application of e-beam lithography for nanowire development 

      S. Fatimah, Abd Rahman; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Miniaturization and performance improvements are driving the electronics industry to shrink the feature size of semiconductor device. Because of its diffraction limit, conventional photolithography is becoming increasingly ...
    • Application of gold nanoparticles for electrochemical DNA biosensor 

      Ahmed Mishaal, Mohammed; Ruslinda, Abdul Rahim, Dr.; Ibraheem Jaleel, Ibraheem; Foo, Kai Loong; Hasrul Hisham, Che Ahmad; Uda, Hashim, Prof. Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Hindawi Publishing Corporation, 2014)
      An electrochemical DNA biosensor was successfully fabricated by using (3-aminopropyl)triethoxysilane (APTES) as a linker molecule combined with the gold nanoparticles (GNPs) on thermally oxidized SiOthin films. The SiOthin ...
    • Application of synopsys' taurus TCAD in developing CMOS fabrication process modules 

      Uda Hashim; Chin Seng Fatt; S. Sakrani (Universiti Malaysia Perlis, 2009)
      Technology CAD (TCAD) refers to the use of computer simulation to model semiconductor processing and devics operation. TCAD has two major functions namely process simulation and device simulation. It performs the semiconductor ...
    • Area-selective ZnO thin film deposition on variable microgap electrodes and their impact on UV sensing 

      Qazi Muhammad, Humayun; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2013)
      ZnO thin films were deposited on patterned gold electrodes using the sol-gel spin coating technique. Conventional photolithography process was used to obtain the variable microgaps of 30 and 43 μm in butterfly topology by ...
    • Bidirectional flow micropump based on dynamic rectification 

      Pei, Song Chee; Ruzairi, Abdul Rahim, Prof. Dr. ; Rashidah @ Siti Saedah, Arsat, Dr.; Uda, Hashim, Prof. Dr.; Loew,  Pei Ling, Dr. (Elsevier B.V., 2013)
      This paper proposes a new bidirectional pumping principle based on a dynamic rectification mechanism. The pump is composed of a moveable actuation platform and a gourd-shaped chamber, whose role is to behave as both a ...
    • Borophosphosilicate glass (BPSG) reflow characterization for submicron CMOS technology 

      Uda, Hashim; Ramzan, Mat Ayub; Nik Hazura, Nik Hamat (Universiti Kebangsaan Malaysia, 2007)
      This paper involves the planarization of borophosphosilicate glass (BPSG) film using a new recipe for annealing process to improve the borophosphosilicate glass (BPSG) film flatness after reflow. This improvement is for ...
    • Brief review on ZnO Synthesis methods, thin film & nanowire gas sensors 

      M., Kashif; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      ZnO nanowires are ideal building blocks for a wide range of nanoscale electronics, optoelectronics, and chemical sensing devices. The material properties change when the material is in nanowire form as compare to thin film ...
    • Canine-specific PCR assay targeting cytochrome b gene for the detection of dog meat adulteration in commercial frankfurters 

      Md. Eaqub, Ali; Md. Mahfujur, Rahman; Sharifah Bee, Abd Hamid; Shuhaimi, Mustafa; Bhassu, Subha; Uda, Hashim, Prof. Dr. (Springer, 2014-01)
      This report described a cytochrome b (cytb)-based polymerase chain reaction (PCR) assay for the detection of canine tissues in commercial frankfurters. Discriminating detection of canine derivatives in processed food ...
    • CdS film thickness characterization by R.F. magnetron sputtering 

      Uda, Hashim, Prof. Dr.; Kasim, Abdul Rahman; Hakim; Mohd Azri, Othman (American Institute of Physics, 2009-06-01)
      In this work, cadmium sulphide (CdS) target with 99.999% purity was used as a target in RF magnetron sputtering. The sputtering experiment was conducted onto silicon oxide substrates at different temperatures ranging from ...
    • Chalcogenide nanostructures: Topography, synthesis, properties, and applications 

      Yarub, Al-Douri; Uda, Hashim, Prof. Dr. (AIP Publishing LLC, 2014)
      High-quality Cadmium sulfide (CdS) nanostructures for high-efficiency optoelectronic devices were prepared at different annealing temperatures using a sol-gel spin-coating method. Atomic force microscopy and X-ray diffraction ...
    • Characterisation, analysis and optical properties of nanostructure ZnO using the sol-gel method 

      Muhammad, Kashif; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Syed Muhammad Usman, Ali; Willander, Magnus, Prof (Institution of Engineering and Technology (IET), 2012-02)
      Nanostructure ZnO was grown on thin aluminium layer, deposited on silicon substrate using the sol-gel method. The surface morphologies of nanostructure ZnO at different precursor concentrations were studied using scanning ...
    • Characteristics of Serial Peripheral Interfaces (SPI) timing parameters for optical mouse sensor 

      Mohd Khairuddin, Md Arshad; Uda, Hashim; Choo, C.M. (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      In this paper we report the characterizations results of Serial Peripheral Interface (SPI) timing parameters for optical mouse sensor. SPI is an interface that facilitates the transfer of synchronous serial data. It supports ...