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Behaviour of Thin Film TiO2 Overlaid λ/2 Microstrip Rejection Filter Due to Ageing of the Overlay
Overlay rejection filter ageing
2010/12/9
The long term behaviour of TiO2 thin film overlaid λ/2 L-section rejection filter due to the ageing of the overlay is reported in this paper. The observations are over a period of upto 600 days with e...
Influence of Time-Dependent Power Dissipations on the Ageing Behavior of Thick-Film Resistors
Time-Dependent Power Dissipations Thick-Film Resistors
2010/12/15
Reliability experiments on hybrid circuits are usually carried out by accelerated ageing test. The circuits or the components under test are stored at an elevated ambient temperature and the change of...
Mounting of Micropackages in Vapour Phase Soldering and Study of Ageing Mechanism
Micropackages Vapour Phase Soldering Ageing Mechanism
2010/12/27
In this paper, the metallurgical aspect of conductor/solder/metallisation are analysed after cycling and ageing and the mechanism of degradation of the micro-solder is considered. As a consequence a n...