Uda Hashim, Prof. Ts. Dr.: Recent submissions
Now showing items 61-80 of 244
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Synthesis and film investigation of titania
(Trans Tech Publications, 2014)Titania or titanium dioxide (TiO2) thin film has been synthesized via sol-gel method with monoethanolamine (MEA) as a catalyst. The mixing of titanium butoxide as a precursor, ethanol as a solvent and MEA were stirred using ... -
Study the optical characteristic of ZnO nanostructure through annealing at various time period
(Trans Tech Publications, 2014)Main purpose of this research is to study the optical and electrical characteristic of zinc oxide material after undergoing annealing process at various time period. Hypothesis of this research have proved that the physical ... -
Fabrication and characterization of IDE based sensor through conventional lithography method
(Trans Tech Publications, 2014)This paper mainly illustrate regarding the fabrication process of IDE based sensor for bio-molecular detection process. Material that is utilized in this process is zinc oxide due to bio-compability and elevated electrical ... -
Surface tension analysis of cost-effective paraffin wax and water flow simulation for microfluidic device
(Trans Tech Publications, 2014)In microfluidic devices, the most important aspect has to be considered for the manufacturing process is the material suitability and geometric design. Among the materials studied, paraffin wax has never been tested and ... -
Low cost detection of pH and its effect on the capacitive behavior of micro-gap sensor
(Trans Tech Publications, 2014)The article describes the fabrication and characterization of silver microgap sensor on silicon substrate. By employing cheap photolithography process the proposed microgap sensor has been fabricated. The silver microgap ... -
Thin film thickness and uniformity measurement for lab-on-chip based nanoelectrode biosensor development
(Trans Tech Publications, 2014)One of the advantages of silicon substrate over other semiconductor substrate is the high temperature process capability of the silicon. In this work, silicon wafer is used for thermal processing which involves many high ... -
A novel method for the synthesis of calcium carbonate (aragonite) nanoparticles from cockle shells
(Elsevier B.V., 2013-02)We report a simple, novel and low-cost method for the synthesis of aragonite nanoparticles from cockle shells. Aragonite is one of the least abundant biogenic polymorphs of calcium carbonate and is widely used as a biomaterial ... -
Area-selective ZnO thin film deposition on variable microgap electrodes and their impact on UV sensing
(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 ... -
Influence of current density on porous silicon characteristics
(Trans Tech Publications, 2013)Porous silicon structures have been fabricated by electrochemical etching using different current density. From field emission scanning electron microscope images (FE-SEM) it was observed that more uniform distribution of ... -
ZnO thin film deposition on butterfly shaped electrodes for ultravioletsensing applications
(Elsevier GmbH, 2013-12)ZnO thin film was deposited on patterned gold electrodes using sol-gel spin coating technique. Conven-tional photo-lithography with wet etching process was used to create butterfly shaped 13-m gap fromzero gap chrome mask. ... -
Highly selective molecular imprinted polymer (MIP) based sensor array using interdigitated electrode (IDE) platform for detection of mango ripeness
(Elsevier B.V., 2013)Detection of mango ripeness was performed by developing a highly selective molecularly imprinted polymers (MIP) layer combined with interdigitated electrode (IDE) as sensor. Mango volatiles from different week of ripeness ... -
Development of interdigitated electrode molecular imprinted polymer sensor for monitoring alpha pinene emissions from mango fruit
(Elsevier B.V., 2013)Alpha Pinene is a type of terpene hydrocarbons commonly emitted in substantial amounts by plants such as mango. Using Interdigitated Electrode (IDE) structure, a sensor for detecting Alpha Pinene volatile by using molecular ... -
Precise alignment of individual single-walled carbon nanotube using dielectrophoresis method for development and fabrication of pH sensor
(Hindawi Publishing Corporation, 2013)Development and fabrication of single-walled carbon nanotube (SWNT) based pH sensor were reported. The precise alignment of individual SWNT using dielectrophoresis method between the two microgap electrodes was conducted, ... -
Current trend in simulation: A study simulation of Poly-Silicon nanowire using COMSOL multiphysics
(Trans Tech Publications, 2013)Poly-Silicon nanowire (Poly-Si-NW) simulations are very important field of nanotechnology and nanostructures; in this paper presented review in general nanowire and it applications such as thermoelectric device (TED) has ... -
Fabrication of silicon nitride ion sensitive field-effect transistor for pH measurement and DNA immobilization/hybridization
(Hindawi Publishing Corporation, 2013)The fabrication of ion sensitive field-effect transistor (ISFET) using silicon nitride (Si3N4) as the sensing membrane for pH measurement and DNA is reported. For the pH measurement, the Ag/AgCl electrode was used as the ... -
Mask design platform for zinc oxide nanowire growth
(Trans Tech Publications, 2013)This paper mainly represent the simple and effective method to design the chrome mask for patterning the platform for zinc oxide nanowire growth. The most essential aspect that need to be considered in designing the chrome ... -
Wearout reliability and intermetallic compound diffusion kinetics of Au and PdCu wires used in nanoscale device packaging
(Hindawi Publishing Corporation, 2013)Wearout reliability and diffusion kinetics of Au and Pd-coated Cu (PdCu) ball bonds are useful technical information for Cu wire deployment in nanoscale semiconductor device packaging. This paper discusses the HAST (with ... -
Reliability assessment and mechanical characterization of Cu and Au ball bonds in BGA package
(Springer Science+Business Media New York, 2013-08)Extended reliability and mechanical characterisation of Au and Pd-coated Cu (Cu) ball bonds are useful technical information for Au and Cu wire deployment in semiconductor device packaging. This paper discusses the influence ... -
Reliability assessment and activation energy study of au and pd-coated cu wires post high temperature aging in nanoscale semiconductor packaging
(American Society of Mechanical Engineers (ASME), 2013)Wearout reliability and high temperature storage life (HTSL) activation energy of Au and Pd-coated Cu (PdCu) ball bonds are useful technical information for Cu wire deployment in nanoscale semiconductor device packaging. ... -
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 ...