Managing thermal and mechanical stress in multi-die assemblies will require a detailed knowledge of how and where a device will be used, how it will be packaged, and where stresses could cause ...
A group of researchers led by Helmholtz-Zentrum Berlin (HZB) in Germany and China’s Henan University investigated repeated thermal stress cycles, reflecting diurnal cycles, on the degradation of metal ...
When temperatures increase, most materials tend to expand, causing a change in material dimensions. When two materials that exhibit different thermal expansion behaviors are in direct contact, such as ...
In the experiment, perovskite solar cells were repeatedly cooled to minus 150 degrees Celsius and then heated to plus 150 degrees Celsius. The changes in the microstructure of the perovskite layer and ...
Thermal management deals with problems arising from heat dissipation, thermal stresses and warping. It is critical in the packaging of power semiconductors and other microelectronic and optoelectronic ...
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