Results 31 to 40 of about 1,156,431 (219)
High quality laser beam soldering
S.215-219In the work presented the potential of a pyrometric process control during laser beam soldering will be enhanced. Primarily we have developed a processing head with an integrated up-to-date pyrometric sensor conditioned for the temperature range
Gillner, A. +3 more
core +1 more source
Combined laser beam soldering and welding process for electrical contacting
Paper 116741C, 9 S.Due to the increasing power, contacting of high-power semiconductor components requires ever larger cross sections, which can no longer be handled by conventional joining processes such as ultrasonic wire and ribbon bonding.
Helm, Johanna +2 more
core +1 more source
Simulation of laser-driven cratering experiments on aluminum [PDF]
After a brief description of the physical principles involved in the cratering process, the authors present a specific methodology to simulate laser-driven cratering experiments performed with a long pulse duration (100 ns) and a small focal spot ...
Jean-Luc Rullier +11 more
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The Effect of Laser Soldering onto Intermetallic Compound Formation, Growth [PDF]
Recently, the laser soldering method has been introduced among electronic manufacturers because of its superior properties such as non-contact and localised heating, quick rise and drop in temperature, and ease of automation compared to reflow soldering.
Muhammad Asyraf, Abdullah +2 more
core +1 more source
Laser-Induced Period Surface Structures to Improve Solderability of Electrical Solder Pads
We report on structuring copper representing soldering pads of printed circuit boards by laser-induced periodic surface structures. Femtosecond laser radiation is used to generate low spatial frequency laser-induced surface structures, having a spatial ...
Stefan Rung, Ralf Hellmann
doaj +1 more source
Background: This study aimed to evaluate the tensile strength of cobalt-chromium (Co-Cr) frameworks produced using different manufacturing methods (conventional casting, laser sintering, and computer-aided design and manufacturing [CAD/CAM]) and their ...
Kübra Yıldız Domaniç
doaj +1 more source
Open-source colorimeter assembled from laser-cut plates and plug-in circuits
Colorimetric analysis is a fundamental technique for quantifying the concentration of a substance in solution. It is frequently used in primary and secondary education to enhance students’ interest in chemistry, biology, life science, and environmental ...
Kosaku Kurata
doaj +1 more source
Solderjet bumping packaging technique optimization for the miniaturization of laser devices
Background Low-stress soldering techniques can guarantee a minimized input of thermal energy allowing for the design and later assembly of more robust and miniaturized optical devices.
P. Ribes-Pleguezuelo +6 more
doaj +1 more source
This study introduces a novel method for integrating aluminum flexible printed circuit boards (FPCBs) and copper FPCBs into battery management systems (BMS) using and instantaneous large area facial laser source soldering.
Seoah Kim +8 more
doaj +1 more source
Dissimilar Welding and Joining of Cemented Carbides
Cemented carbides have been widely used in aerospace, biomedical/wearable sensor, automobile, microelectronic, and other manufacturing industries owing to their superior physical and chemical properties at elevated temperatures. These superior properties,
Binghui Ma +5 more
doaj +1 more source

