Abstract
The paper discusses selected statistical methods enabling the effective assessment of the influence of selected factors on the efficiency of the assembly process of RF systems. The considerations were carried out on the example of the investigations into the influence of the size of the voids appearing in the soldering area of RF power transistors on the value of selected electrical parameters of these devices in a considered electronic module. Selected quality tools were described and additional analyses were performed using the Six Sigma methodology and the Minitab application. With the use of the QFD (Quality Function Deployment) method and the HoQ (House of Quality) tool, all the relevant output quantities of the tested system and its components were defined. The obtained results of statistical analyses allow determining the existing correlations between particular quantities, which include, among others, the temperature of the transistor case, the size of the void spaces in the soldering area or the location of transistors on the PCB (Printed Circuit Board). From the performed investigations, it is clear that no correlation between the void size and the thermal resistance of the tested transistors was observed.
Subject
Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science
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