Search
Now showing items 1-9 of 9
Symmetry energy of nuclear matter at low densities and clustering at the nuclear surface
(IOP Publishing Ltd, 2012)
We present a density functional theory which connects nuclear matter equation of state, which incorporates clustering at low densities, with clustering in medium and heavy nuclei at the nuclear surface. This explains the ...
Wire bond shear test simulation
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)
Wire bond shear test are utilized to appraise the reliability and the bond strength of wire bonded packages.In this study, a three-dimensional non linear finite element model was designed to simulate the stress response ...
Shear ram speed characterization for copper wire bond shear test
(Trans Tech Publications, Switzerland., 2012)
This paper presents the evaluation of the stress and strain response of the copper ball bond during wire bond shear test using finite element analysis. A 3D non-linear finite element model was developed for the simulation. ...
Silica microchannel fabrication using fluorine based rie with alas a mask
(INSInet Publications, 2012-09)
The silica microchannel fabrication process has been executed with Al thin films as the sacrificial layer during Reactive Ion Etching Process (RIE). CF4/Ar and SF6/Ar plasmas has been used to investigate etch rate of Al ...
Wire bond shear test simulation on sharp groove surface bond pad
(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 ...
Polymer core BGA stress analysis at minimal vertical loading
(Trans Tech Publications, 2012-12)
Ball grid array is an interconnection method widely used in the electronic packaging industry. The reliability of the solder ball is being improved by introducing new materials for the solder ball. In this study, the stress ...
Shear ram height investigation for gold wire bond shear test
(Trans Tech Publications, 2012-12)
This paper presents the simulation of gold wire bond shear test. The stress and strain response of the gold ball bond during wire bond shear was examined. The simulation was done using a A 3D non-linear finite element ...
Design and analysis of film bulk acoustic wave resonator in Ku-band frequency for wireless communication
(Society of Photo-Optical Instrumentation Engineers (SPIE), 2012-03-12)
This paper presents design of a Film Bulk Acoustic Wave Resonators (FBARs) consisting of piezoelectric film, aluminium nitride (AlN) with top and bottom electrodes of ruthenium (Ru). The lumped Butterworth-Van Dyke (BVD) ...
Wire bond shear test simulation on hemispherical surface bond pad
(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 ...