Browsing Journal Articles by Author "vc.sundress@gmail.com"
Now showing items 1-13 of 13
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5mm × 5mm sized slug on high power LED stress and junction temperature analysis
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Vairavan, Rajendaran; Nazuhusna, Khalid (Trans Tech Publications (TTP), 2013)Conventional incandescent lamps are being replaced by high power light emitting diode as a lighting source due to it ascendancy in terms of physical size, performance, output and lifetime. Nevertheless, the reliability and ... -
Aluminium surface grain size analysis on RIE treatment
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Palianysamy, Moganraj; Aaron, Koay Terr Yeow (Trans Tech Publications (TTP), 2013)Reactive Ion Etch (RIE) has been an important process in the world of microelectronic fabrication. Focus of this preliminary study is on how RIE affects the grain size of aluminum film which is fabricated on substrates. ... -
CuDia slug size variation analysis on heat dissipation of high power LED
Vairavan, Rajendaran; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr. (Trans Tech Publications, 2014-01)The current advancement of LED has prompt thermal challenges from the packaging point of view. The reliability of the LED is significantly influenced by each of its packaging component. This paper presents the investigation ... -
Cylindrical shape slug heat conduction numerical analysis using copper material
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Vairavan, Rajendaran (AENSI Publications, 2013-10)High power light emitting diodes have the edge over the conventional lighting system in terms of efficiency, low energy consumption and long operational lifetime. Nevertheless, the heat dissipation issue of the high power ... -
FSS microchannel fluid flow profile investigation at high and low Re number
Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)The fundamental understanding of dynamic fluid flow behavior in different geometry channel is crucial due to transport phenomena influence on the key design and process control of the microfluidic systems. Recently, the ... -
Low density fibrous material surface light reflectance analysis
Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)The light based surface finishing of most product measurement is an important feature in the industries. In this paper, a lab fabricated tester for investigation on the quality of low density paper which was represent by ... -
Numerical analysis of velocity profile in a FFS microchannel
Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)Manipulation of the fluid flow behavior in microfluidic with precision technique is crucial to satisfy the needs of miniaturized systems. Velocity measurement is one of the physical phenomena plays significant role to ... -
Relationship between controllable process parameters on bump height in ENIG
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Muhamad Hafiz, Ab Aziz (Trans Tech Publications, 2013)This paper reports the factors that affect the bump height in electroless nickel immersion gold (ENIG) and their interrelation between each other. Bump height is a critical issue that needs to be investigated because a ... -
Shear speed analysis on Sn-3.9Ag-0.6Cu Solder
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Ong, Tee Say; Vairavan, Rajendaran (Trans Tech Publications (TTP), 2013)Ball Grid Array (BGA) is a type of semiconductor interconnection used in Integrated Circuit (IC) which is being scaled down to micro and nano size. The reliability of BGA in IC becomes a concern as the size of IC reduces. ... -
Shear strain analysis in FSS microchannel
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nor Shakirina, Nadzri; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publications, 2013-10)Microfluidics has motivated the development of various fields in biological engineering due to its advantages. The favorable benefits of using microfluidicsare being easy to fabricate, requirement of minimal fluid volumes, ... -
Wettability analysis on platinum deposited wafer after reactive ion ecthing using SF6+argon/CF4+argon gaseous
Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Aaron, Koay Terr Yeow; Goh, Siew Chui; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)Wettability in microfluidic has direct influence to its fluid flow channels. This paper investigates the variable parameters that affect the wetability in terms of contact angle on a Platinum deposited wafer after reactive ... -
Wire bond shear test simulation on hemispherical surface bond pad
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Wan Mokhzani, Wan Norhaimi; Johari, Adnan, Assc. Prof. Dr.; Palianysamy, Moganraj (Trans Tech Publications, 2012-12)Wire bonding process is an interconnection method adopted in the semiconductor packaging manufactory. One of the method used to assess the reliability and bond strength of the bonded wires are wire bond shear test .In this ... -
Wire bond shear test simulation on sharp groove surface bond pad
Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Taniselass, Steven; Ahmad Husni, Mohd Shapri; Vairavan, Rajendaran (Trans Tech Publications, 2012-12)Wire bonding process is first level interconnection technology used in the semiconductor packaging industry. The wire bond shear tests are used in the industry to examine the bond strength and reliability of the bonded ...