circuit trace

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circuit trace

The copper lines (sometimes aluminum) on a printed circuit board (PCB) that allow electricity to flow between electronic components. See wire trace.
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It is doing so because of the very high thermal conductivity between the copper trace and the copper via.
The aims of the present study was (1) to evaluate the status of selenium, zinc, and copper trace element in patients with chronic heart failure (2), to compare these trace element concentrations in patients with IDCM and ICM subgroups of chronic heart failure, and (3) to investigate potential relation between serum trace element concentrations and the clinical, laboratory and haemodynamic parameters in order to reproduce some findings reported in the literature and to produce new findings.
In an attempt to minimize underfill voiding, the effect of critical substrate features, such as soldermask height, copper trace height and mask/trace separation, have been studied for their effects on underfill voiding for the typical no-flow process.
Twelve ionic contaminants were applied in five concentrations to three different spaced electrodes with five replicas each (three different bare copper trace spacing/five replications of each with five levels of ionic concentration).
Or, the chemical plating bath attacks the adhesion between the copper trace and solder mask.
In SFP+ applications too the PHY1060 equaliser and re-timer will also compensate for 10G inter symbol interference from the copper trace and connector, thus enabling both XFP and SFP+ form factors to be used for a 10G ONU.
They help you choose materials that provide design options in copper trace width for higher-yield manufacturing.
However, the Dk of prepreg will vary depending on the glass/resin ratio, the copper trace density of the adjacent layers, the flow conditions, the orientation of the signals to the glass weave, and the final degree of cure.
The SFP+ POC platform incorporates FR4 dieletric and stripline copper trace runs of 2-, 4- and 8-inches to represent real-world channel loss conditions where advanced receiver and transmitter technology is required.