By Andras Poppe and Marta Rencz The 30th THERMINIC (Thermal Investigations of ICs and Systems) workshop was held on 25-27 September 2024 in Toulouse, France at the Mercure Toulouse Centre Compans. Jean-Pierre Fradin (Icam, France) and Patrick Tounsi (INSA Toulouse & LAAS – CNRS) as local organizers and co-program chairs of the 2024 THERMINIC did a great job: Over 110 … [Read more...]
Theta-JC Measurements: Steady-State Compared to Transient Methods
Thermal characterization plays a vital role in electronic package reliability testing, design, and verification of manufacturing processes. The reliability of electronic packages is controlled, in part, by ensuring the maximum junction temperature is not exceeded during operation. Systems such as cell phones, electric vehicles and computers, must operate with die temperatures … [Read more...]
The Applicability of JESD51-14 for the Determination of Junction to Case Thermal Resistance
Rjc (or sometimes ThetaJC, θjc, Rth_jc), the so-called ‘junction to case’ thermal resistance, is a thermal metric that enables comparison of the thermal performance of packaged semiconductor devices from differing suppliers. The JEDEC standard JESD51-14 [1] documents a method for the experimental determination of Rjc. Although applicable for packages that exhibit a … [Read more...]
Summary of the IEEE ITherm 2023 Conference
The IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm) was held at the JW Marriott Grande Lakes, Orlando, FL, May 30 – June 2, 2023. This was the 22nd ITherm, which was first held in 1988. The conference was historically held every other year until 2016 when it switched to an annual schedule. ITherm 2023 was sponsored by the … [Read more...]
Statistics Corner: Weibull Distribution
A little over a pandemic ago, the first article in this series on statistical analysis mentioned that a fundamental aspect of statistics is that one assumes a mathematical model that describes the distribution of a data set and then uses that model to estimate the probability that a given value or set of values will occur [1]. This allows us, for example, to estimate whether … [Read more...]
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