Matches in SemOpenAlex for { <https://semopenalex.org/work/W2902749085> ?p ?o ?g. }
- W2902749085 abstract "We have made advancement towards developing our novel and non-destructive system for in-situ condition monitoring and detection of delamination of interfaces within electronic packages. A matrix of $5 times 5$ solder based Thixels has been designed within each of the 4 Quadrants of a flip chip with a $10 times 10$mm2 Silicon die. Hardware layout based on a FCOB approach was designed. Before the production and assembly of the FCOB along with the testing system, a finite element study was performed to make a feasibility check by using a UBM of SiO 2 on the Silicon side. Afterwards, two batches of FCOB assemblies were produced. One set with underfill and the other without. These were then tested upon a multiplexer based self-built measurement system with a software based lock-in algorithm to receive 3 omega output signals. The change in the 3 omega voltage was successfully measured in the Thixel and the results depict a good SNR at the frequency of optimum sensitivity of 500 Hz. However, we are currently able to measure one quadrant at a time and in future have the possibility to extend this to at least two, if not more. Also, with the good SNR value that has been achieved, we can further decrease the measurement time per sensor to less than 1.25 s by varying sampling parameters." @default.
- W2902749085 created "2018-12-11" @default.
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- W2902749085 date "2018-09-01" @default.
- W2902749085 modified "2023-09-26" @default.
- W2902749085 title "Delamination Detection in an Electronic Package by Means of a Newly Developed Delamination Chip Based on Thermal Pixel (Thixel) Array" @default.
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- W2902749085 doi "https://doi.org/10.1109/estc.2018.8546389" @default.
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