Browsing Uda Hashim, Prof. Ts. Dr. by Title
Now showing items 63-82 of 249
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Effect of alignment mark architecture on alignment signal behavior in advanced lithography
(Universiti Malaya, 2007)Alignment mark architecture is divided into two types, which depending on where the mark is defined. Alignment mark that is defined through the contact masking steps is known as contact mark and alignment mark that is ... -
Effect of alignment mark depth on alignment signal behavior in advanced lithography
(Universiti Malaysia Perlis, 2008)Finding a robust alignment strategy is one of the key evaluations in defining photolithography process. Alignment is a process to determine how the current pattern is placed on the wafer. Alignment is done by an optical ... -
Effect of anodizing voltage on the morphology and growth kinetics of porous anodic alumina on Al-0.5 wt% Mn alloys
(Trans Tech Publications, 2014)In this study, the effect of anodizing voltage on the morphology of porous anodic alumina and growth kinetics of anodizing of aluminium manganese alloy was reported. It was found that the increasing anodizing voltage affect ... -
Effect of buffer and pH on the protein extraction for chicken meat
(Trans Tech Publications, 2013)The study was undertaken to determine the extraction of proteins from chicken meat. The effect of buffer (phosphate, citrate and glycine) and four pH values (6.0, 7.0, 8.0 and 9.0) were investigated. The protein extractability ... -
Effect of different seed solutions on the morphology and electrooptical properties of ZnO Nanorods
(Hindawi Publishing Corporation, 2012)The morphology and electrooptical properties of ZnO nanorods synthesized on monoethanolamine-based seed layer and KOHbased seed layer were compared. The seed solutions were prepared in monoethanolamine in 2-methoxyethanol ... -
Effect of different solvents on the structural and optical properties of zinc oxide thin films for optoelectronic applications
(Elsevier, 2014-01)Zinc oxide (ZnO) seed solutions were prepared using 4 different solvents, namely, methanol (MeOH), ethanol (EtOH), isopropyl alcohol (IPA) and 2-methoxyethanol (2-ME). The prepared seed solutions were used to synthesize ... -
Effect of Kenaf Fibre Layers on Mechanical and Thermal Properties of Kenaf/Unsaturated Polyester Composites
(IOP Publishing, 2018)Composites of kenaf/unsaturated polyester containing 1layer up to 4 layers of kenaf fibre were studied to evaluate the mechanical and thermal properties. These composites were compared with a control system containing ... -
Effect of kenaf fibre Mat layers and Zinc Oxide Nanoparticle Concentration on the Mechanical and Thermal Properties of ZnONPs/kenaf/polyester Composites
(IOP Publishing, 2018)Zinc oxide nanoparticle kenaf polyester composite (ZnONPs/kenaf/polyester) containing 1, 2, 3 and 4 layers of kenaf fibre treated with 40nm 2% (w/w) and 5 % (w/w ) of ZnONPs were prepared and characterised to evaluate ... -
Effect of manganese content on the fabrication of porous anodic alumina
(Hindawi Publishing Corporation, 2012)The influence of manganese content on the formation of well-ordered porous anodic alumina was studied. Porous anodic alumina has been produced on aluminium substrate of different manganese content by single-step anodizing ... -
The effect of temperature, pH and exposure time to Electroless Nickel Deposition for Under Bump Metallurgy (UBM)
(Universiti Putra Malaysia (UPM), 2005-12-06)The low cost deposition of under bump metallurgy (UBM) method presented in this paper is based on electroless nickel immersion gold (ENIG) bumping process. The study is focuses on the effect of temperature, pH and exposure ... -
The effects of multiple zincation process on Aluminum Bond Pad surface for Electroless Nickel Immersion Gold deposition
(American Society of Mechanical Engineers (ASME), 2006-09)This paper reports the effects of a multiple zincation processon the Al bond pad surface prior to electroless nickel immersion gold deposition. The study of multiple zincation comprises the surface topogtaphy and morphology ... -
Effects of reaction time on the morphological, structural, and gas sensing properties of ZnO nanostructures
(Elsevier, 2014-02)Morphological transformation was achieved from ZnO hexagonal needle-like rods to hexagonal flower-like rods by varying the reaction growth time using the hydrothermal method. Optical bandgap energies were calculated from ... -
Electrical properties of silicon-based nanogap electrodes for label-free biomolecular detection
(American Scientific Publishers, 2013-02)The electrical properties of 6-, 33- and 89-nm gap structures were systematically studied to evaluate the feasibility of these structures to be used in biomolecular sensing devices. The fabrication and morphological ... -
Electrode design and planar uniformity of anodically etched small area porous silicon
(American Institute of Physics, 2009-06-01)Porous silicon layer microstructure is sensitive to many parameters, which need to be controlled during etching. These include not only anodization time, current density, applied potential and electrolyte composition but ... -
Electron and ion densities measurement in reactive magnetron zinc sputtering plasma
(Trans Tech Publications, 2014)Investigation on the plasma properties is an essential fundamental works in order to precisely control the growth of nanoscale thin film. In the present work, we produced and study the reactive magnetron sputtering plasma ... -
The electroosmosis mechanism for fluid delivery in PDMS multi-layer microchannel
(American Scientific Publishers All rights reserved., 2013-01)Here we reported on fabrication of multi-layer microstructures that takes the advantage of electroosmosis to mix fluids. Microlaboratories for biochemical applications often require rapid mixing of different fluid streams. ... -
Embedded portable device for herb leaves recognition using image processing techniques and neural network algorithm
(Elsevier B.V., 2012-11)Herbs have been widely used in food preparation, medicine and cosmetic industry. Knowing which herbs to be used would be very critical in these applications. Nevertheless, the current way of identification and determination ... -
An estimation of the energy and exergy efficiencies for the energy resources consumption in the transportation sector in Malaysia
(Elsevier Ltd., 2007-08)The purpose of this work is to apply the useful energy and exergy analysis models for different modes of transport in Malaysia and to compare the result with a few countries. In this paper, energy and exergy efficiencies ... -
Extended reliability of gold and copper ball bonds in microelectronic packaging
(World Gold Council, 2013-06)Wire bonding is the predominant mode of interconnection in microelectronic packaging. Gold wire bonding has been refined again and again to retain control of interconnect technology due to its ease of workability and years ... -
Fabrication and characterization of 50 nm silicon nano-gap structures
(American Scientific Publishers, 2011-04)A simple method for the fabrication of nano-gaps less than 50 nm by using conventional photolithography combined with patterned-size reduction techniques is presented. Silicon material is used to fabricate the nano-gap ...