Uda Hashim, Prof. Ts. Dr.: Recent submissions

Now showing items 201-220 of 244

    • 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.

    • Theoretical and experimental study towards fabrication of nanogap dielectric biosensor by reversed spacer lithography 

      Uda, Hashim, Prof. Dr.; Muhamad Emi Azri, Shohini (American Institute of Physics, 2010-03-11)
      A reversed spacer patterning technology using a sacrificial layer and a chemical vapor deposition (CVD) spacer layer has been developed, and is demonstrated to achieve sub-50 nm structures with conventional dry etching. ...

    • Silicon Nanowires 

      Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Nur Hamidah, Abdul Halim (AFAG Messen & Ausstellungen GmbH, 2007-11-01)
      Silicon Nanowires with diameter or width of the order of a nanometer or 10o meter and length of the order of microns propel for a novel research in the construction of atomically controlled periodic systems with reduced ...

    • Silicon Nanowires 

      Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Nur Hamidah, Abdul Halim (Malaysian Invention and Design Society (MINDS), 2007-05-18)
      Silicon Nanowires is a new class of materials that have attracted attention and great research interest in the last few years because of their great potential applications in nanotechnology such as: - nanoelectronic ...

    • Quantum Dot Single Electron Transistor Structure Formation Using E-Beam Lithography 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr.; Samsudi, Sakrani, Prof. Dr.; Sutikno, Madnarski (C. I. S. Network, 2007-05-18)
      To achieve room temperature operation of single electron transistor (SET). To form single dot chanted for electron transport in SET via the Coufomb Blockade Oscillation (CBO) phenomenon.

    • Quantum Dot Single Electron Transistor: Design and Fabrication 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr.; Samsudi, Sakrani, Prof. Dr.; Madnarski, Sutikno (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      To achieve room temperature operation of single electron transistor (SET). To form single dot chanted for electron transport in SET via the Coufomb Blockade Oscillation (CBO) phenomenon.

    • Mask Making Process (Positive and Negative Mask) 

      Uda, Hashim, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohamad Nuzaihan, Md Nor; Zul Azhar, Zahid Jamal, Prof. Dr. (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      Generally, two types of masks are used in MOSFET fabrication; positive mask and negative mask. These resists mask can be used either in lift off process or conventional lithography step depends on the fabrication process ...

    • Semiconductor Nanowire 

      Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Nur Hamidah, Abdul Halim (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      Semiconductor Nanowire represents an important and broad class of nanometer scale wire structure. Semiconductor Nanowire is a wire of dimension of the order of a nanometer or 10-9 meters. It is the one thousand times ...

    • Nanogap Biosensor 

      Arinah, Ab Rahman; Muhamad Emi Azri, Sohini (Universiti Sains Malaysia, 2010-05-26)
      A biosensor is commonly defined as an analytical device that uses a biological recognition system to target molecules or macromolecules. Biosensors can be coupled to a physiochemical transducer that converts this recognition ...

    • Silicon Nanowires Based DNA Biosensor 

      Uda, Hashim, Prof. Dr.; Siti Fatimah, Abdul Rahman; Muhammad Emi Azri, Shohini (Malaysia Association of Research Scientists (MARS), 2010-02-04)
      This research describes the fabrication of silicon nanowire for DNA hybridization detection in biosensor application. The SiNWs are fabricated by electron beam lithography and followed by deposition of contact metals. Aurum ...

    • Thermal aging study at 150 °C and 200 °C: Gold ball bonds to aluminum bond pad 

      Mohd Khairuddin, Md Arshad; Lim, Moy Fung; Uda, Hashim; Zaliman, Sauli (The Electrochemical Society, 2009-03-17)
      This paper presents the study of the thermal aging of the gold ball bonds and aluminum bond pad at 150 °C and 200 °C for various interval times. Process decapsulation and Field Emission Scanning Electron Microscopy (FESEM) ...

    • Nanogap Dielectric Biosensor for label free DNA Hybridization detection 

      Uda, Hashim; Muhamad Emi Azri, Shohini; Harbant, Singh (Universiti Malaysia Perlis, 2007)
      Sensors based on nanogap capacitance changes are being developed for genomic and proteomic applications because they offer label-free detection on platforms amenable to high throughput configurations. This paper presents ...

    • 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 ...

    • Characterization of intermetallic growth of gold ball bonds on aluminum bond pads 

      Mohd Khairuddin, Md Arshad; Lim, Moy Fung; Mohammad Nuzaihan Md. Noor; Uda, Hashim (University of Malaya, 2008)
      In this paper the intermetallic growth between gold ball bond and aluminum bond pad are studied. It involves thermal aging at 150 °C and 200 °C for various time intervals. The relationship between electrical resistance and ...

    • Design and fabrication of Nanowire-based conductance biosensor using spacer patterning technique 

      Uda, Hashim; Shahrir, Salleh; Siti Fatimah, Abd Rahman; Amir Razif Arief, Jamil Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Materials have different behaviours and properties at the nanoscales (1-100nm). New theories and discoveries have been found in designing and fabricating at these sizes. Silicon Nanowires has allowed the introduction of ...

    • Design and process development of silicon nanowire based DNA biosensor using electron beam lithography 

      Uda, Hashim; Siti Fatimah, Abd Rahman; Mohammad Nuzaihan, Md Nor; Shahrir, Salleh (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Silicon nanowires (SiNWs) have their unique feature such as similar diameters to biomolecules, chemically tailorable physical properties, enable to apply in biomolecule detection and can be fabricated as a high performance ...

    • Mask design and fabrication of LiSFET for light sensor application 

      Uda, Hashim; Kasim, Abdul Rahman; Amir Razif Arief, Jamil Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      The usage of MOSFET is not limited as amplifier and switch only but it has great potential to become the sensors when sensing mediums which integrated on to MOSFET. This research is intended to study the combination of ...

    • Development of In-House MOS transistor at KUKUM Micro Fabrication Cleanroom: Microelectronic undergraduate activities 

      Marlia, Morsin; Nur Hamidah, Abdul Halim; Uda, Hashim; Hashim, Saim (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      This paper presents the module development of inhouse MOS transistor device at KUKUM Micro Fabrication Cleanroom. The process started with the establishment of process flow, process modules, and process parameters. Four ...

    • Design and fabricate Mosfet Masks at KUKUM Microfabrication Cleanroom for teaching undergraduates 

      Mohd Zainizan, Sahdan; Uda, Hashim; Hashim, Saim; Marlia, Morsin (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      In teaching undergraduates program in MOSFET fabrication, mask set is one of the major problem since the cost is extensively high. The purpose of these masks is to define certain region on a wafer. In this work, a low ...

    • SOI Single-Electron Transistors (SET) design and process development 

      Amiza, Rasmi; Mohammad Nuzaihan, Md Nor; Uda, Hashim (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      Single-electron transistor (SET) is attractive devices to use for large-scale integration. SET can be made very small, dissipate little power, and can measure quantities of charge much faster than MOSFETs. This makes SET ...