Reliability enhancement of a power semiconductor with optimized solder layer thickness
This article deals with the reliability of a power semiconductor exposing to the severe
thermal stresses. The importance of solder joint thickness on the power semiconductor's …
thermal stresses. The importance of solder joint thickness on the power semiconductor's …
[HTML][HTML] Effect of PCB cracks on thermal cycling reliability of passive microelectronic components with single-grained solder joints
Lead-free tin-based solder joints often have a single-grained structure with random
orientation and highly anisotropic properties. These alloys are typically stiffer than lead …
orientation and highly anisotropic properties. These alloys are typically stiffer than lead …
[HTML][HTML] Comparison of nondestructive testing methods for solder, sinter, and adhesive interconnects in power and opto-electronics
M Schmid, SK Bhogaraju, E Liu, G Elger - Applied Sciences, 2020 - mdpi.com
Reliability is one of the major requirements for power and opto-electronic devices across all
segments. High operation temperature and/or high thermomechanical stress cause defects …
segments. High operation temperature and/or high thermomechanical stress cause defects …
[HTML][HTML] Reliability analysis and condition monitoring of SAC+ solder joints under high thermomechanical stress conditions using neuronal networks
A Zippelius, A Hanß, M Schmid… - Microelectronics …, 2022 - Elsevier
The thermo-mechanical fatigue of different SAC+ solders is investigated using transient
thermal analysis (TTA) and predicted using artificial neural networks (ANN). TTA measures …
thermal analysis (TTA) and predicted using artificial neural networks (ANN). TTA measures …
Process development and reliability of sintered high power chip size packages and flip chip LEDs
A Hanss, M Schmid, SK Bhogaraju… - … and iMAPS All Asia …, 2018 - ieeexplore.ieee.org
Silver and copper sinter processes were investigated as a replacement for SnAgCu (SAC)
solder joints for high power Thin Film (TF) LEDs (die bond) and Flip Chip (FC) LEDs …
solder joints for high power Thin Film (TF) LEDs (die bond) and Flip Chip (FC) LEDs …
Thermogravimetric investigation on the interaction of formic acid with solder joint materials
F Conti, A Hanss, C Fischer, G Elger - New Journal of Chemistry, 2016 - pubs.rsc.org
Soldering is a dominating process for semiconductor packaging. For electronic
manufacturing tin based solders play a key role. The surface of most solder alloys is …
manufacturing tin based solders play a key role. The surface of most solder alloys is …
A new noise-suppression algorithm for transient thermal analysis in semiconductors over pulse superposition
M Schmid, SK Bhogaraju, A Hanss… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article introduces a new measurement method for noise suppression in transient
thermal analysis (TTA), which is used to measure the transient thermal impedance of power …
thermal analysis (TTA), which is used to measure the transient thermal impedance of power …
Transient thermal analysis for accelerated reliability testing of LEDs
G Elger, D Müller, A Hanß, M Schmid, E Liu… - Microelectronics …, 2016 - Elsevier
Reliability of LED light sources is essential for many general and automotive lighting
application where exchange of LED modules would be expensive. Reliability testing to …
application where exchange of LED modules would be expensive. Reliability testing to …
Reliability of sintered and soldered high power chip size packages and flip chip LEDs
A Hanss, M Schmid, SK Bhogaraju… - 2018 IEEE 68th …, 2018 - ieeexplore.ieee.org
For automotive exterior lighting application high luminance light sources are required, ie
high current density. The interconnect between LED and board needs to have a high thermo …
high current density. The interconnect between LED and board needs to have a high thermo …
[HTML][HTML] Effect of solder void on mechanical and thermal properties of flip-chip light-emitting diode: Statistical analysis based on finite element modeling
With the increasing demand for highly efficient lighting in the automotive industry, flip-chip
light-emitting diodes (LEDs) have become widely used for both interior and exterior lighting …
light-emitting diodes (LEDs) have become widely used for both interior and exterior lighting …