Nurul Atiqah Abdul Ghani

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Due to environmental concern regarding toxicity of lead-based solder, the lead-free solders were introduced as a replacing solder in microelectronics devices technology. In this study, the effects of 0.1, 0.4 and 0.7 wt% Zn additions on the intermetallic formation and thickness of Sn-3.5Ag-1.0Cu solder on Cu substrate after long time aging were(More)
Sn-3.5Ag-1.0Cu-xNi (x: 0, 0.05, 0.2, 0.5) solder alloy has been developed to improve properties and microstructure of Sn-3.5Ag-1.0Cu based solder. The composite solder were synthesized via the powder metallurgy route which consist of blending, compacting and sintering process. The sintered solders were characterized for it melting temperature, SEM-EDX(More)
Phototherapy is a form of treatment for skin conditions, using light sources which are regularly used to treat jaundice. Common light sources used in phototherapy systems include fluorescent lamp, halogen lamp, fibre optic and also light emitting diodes (LED). Currently, blue LEDs are found to be used in phototherapy devices due to its unique(More)
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