Browsing Conference Papers by Author "Uda, Hashim, Prof. Dr."
Now showing items 1-20 of 53
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The alignment of single SWNTs between electrode using dielectrophoresis
Low, Foo Wah; Nur Hamidah, Abdul Halim; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Universiti Malaysia Perlis (UniMAP), 2012-06-18)This paper presents the development and fabrication of electrical devices based on alignment of carbon nanotubes (CNTs) in single bundle of single-walled carbon nanotubes (sb-SWNTs) using dielectrophoresis (DEP). The Silicon ... -
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 ... -
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 ... -
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 ... -
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 ... -
Characterization and analysis of diatomite for industrial applications
A. W. Fagri; Yarub, Al - Douri, Prof. Madya Dr.; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)As nanotechnology and nanomarterials are gaining wide acceptances, diatomite is one of the attractive materials that can be engineered to form different nanostructures for numerous applications. Thus, careful examination ... -
Computational micro fluid dynamics using COMSOL multiphysics for sample delivery in sensing domain
Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; Diyana, P. N. A.; Ten, Seng Teik (Institute of Electrical and Electronic Engineers (IEEE), 2012)Engineering of fluid flow with within various structure for different application is a scientific quest and Microfluidic devices present a powerful platform for working with living cells and other medical application. The ... -
Design development of SOI based biologically sensitive field-effect transistor (Bio-FET) for earlier detection of cancer cell
Foo, Kai Loong; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)Cancer cell is a class of disease in which group of cell that display uncontrolled growth, invasion and metastasis. For late stage of cancer cell detection, it is classified as an incurable disease. Hence, SOI Based ... -
Design of digital control frequency sinusoidal wave generator for dielectric analyzer
A., Saifullah; Uda, Hashim, Prof. Dr. (Universiti Malaysia Pahang, 2009-06-20)The dielectric analyses are usually done using capacitance measurement technique. A set of sinusoidal wave frequency are applied to the capacitance. This paper is about the design of digital control frequency of ... -
Designing an Artificial Neural Network model for the prediction of kidney problems symptom through patient's metal behavior for pre- clinical medical diagnostic
Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; U. S., Sani (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)This paper contains a report on a very simple functional model of Artificial Neural Networks, the article is proposed to aid current pre-clinical patient diagnosis methods. The study investigated the use of Artificial ... -
Development of carbon nanotube based biosensor fabrication for medical diagnostics application
Syamsul, N. S. B. M.; Mohammad Nuzaihan, Md Noor; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-01)Carbon nanotubes are tiny hollow cylinders, made from a single grapheme sheet, that possess many amazing properties. Spurred by the Human Genome Project, deoxyribonucleic acid (DNA), carbon nanotube based biosensors are ... -
Development of carbon nanotube based biosensor fabrication for medical diagnostics application
M. Syamsul, N.S.B; Mohammad Nuzaihan, Mohd Nor; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)Carbon nanotubes are tiny hollow cylinders, made from a single grapheme sheet, that possess many amazing properties. Another reason why nanotubes have generated intense research activities from scientists of various ... -
Development of highly selective electronic nose using molecular imprinted polymer (MIP) for recognition of fruit ripeness
Huzein Fahmi, Hawari; N. M., Samsudin; Mahmad Nor, Ahmad, Prof. Madya Dr.; Ali Yeon, Md Shakaff, Prof. Dr.; Supri A., Ghani, Prof. Madya Dr.; Yufridin, Wahab, Dr.; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-02-27)Traditionally, fruits are harvested through conventional methods which are based on smell, texture and harvesting time. This analytical technique has many disadvantages in terms of objectivity and subjectivity. Electronic ... -
Development of interdigitated electrode molecular imprinted polymer sensor for monitoring alpha pinene emissions from mango fruit
Huzein Fahmi, Hawari; Nurul Maisyarah, Samsudin; Ali Yeon, Md Shakaff, Prof. Dr.; Supri, A. Ghani, Dr.; Mohd Noor, Ahmad, Prof. Dr.; Yufridin, Wahab, Dr.; Uda, Hashim, Prof. Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)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 ... -
Development of nanogap automated permittivity measurement system for DNA hybridization detection kit
Saifullah, A.; Azri, M. E.; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineering (IEEE), 2009-12-14)The Nanogap Automated Permittivity Measurement System (APMS) are fabricated as low cost, portable and label free DNA hybridization detection kit. The nanogap capacitor can react as a dna sensor. The difference in dielectric ... -
Development of nanogap based dielectric biosensor for label-free medical diagnostic analytical measurement
A., Mat Taib; Uda, Hashim, Prof. Dr.; N. A., Yusof; Th. S., Dhahi (Universiti Malaysia Pahang, 2009-06-20)Biosensor with electrode distances 75 nm and highly sensitive and selective is proposed in this research. The target application is the label-free detection of bio-molecular interaction for medical diagnostic ... -
Electrode design and planar uniformity of anodically etched small area porous silicon
Ahmed, N. M.; Zaliman, Sauli, Prof. Madya; Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr. (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 ... -
Fabrication and characterization of a-Si micro and nano-gap structure for electrochemical sensor
Th Sabar, Dhahi; Uda, Hashim, Prof. Dr.; N. M., Ahmed; Md Eaqub, Ali (American Institute of Physics, 2010-12-01)The development and application of micro gap for electrochemical sensors and biomolecule detection are reviewed in this article. The preparation methods for micro- and nano-gaps and their properties are discussed along ... -
Fabrication and characterization of porous silicon using long time low current electrochemical etching
Husnen R., Abd; Ahmed, Naser M.; Yarub, Al - Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)In this paper, the fabrication of porous silicon (PS) layers based on crystalline silicon (c-Si) wafers n-type of (100) orientation using electrochemical etching process was prepared. The effect of various etching time on ... -
The fabrication methods of Metal-molecule-metal junction electrode current state-of-art
Qazi Muhammad, Humayun; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)Fabrication techniques for Metal-molecule-metal junction electrode suitable to study electron tunneling through metal junctions are reviewed. The applications of current strategies such as mechanical breakjunction, ...