• PCB Assembly Cost Estimating Systems

    30-08-2017

    PCB Assembly Cost Estimating Systems

    The PCB assembly process is usually a complement of equipment with different capabilities and constraints in terms of automation, speed, component technology, and quality. Table 6.4 contains a listing...
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  • PCB Fabrication Cost and Quality Alternative Example

    30-08-2017

    PCB Fabrication Cost and Quality Alternative Example

    An example of the cost and quality alternatives for PCB fabrication is the choices made when laying out a PCB, depending on the quality and complexity of the alternatives selected. An example would be...
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  • Printed Circuit Board (PCB) Design, Fabrication, Cost, and Quality Issues

    30-08-2017

    Printed Circuit Board (PCB) Design, Fabrication, Cost, and Quality Issues

    The PCB manufacturing process is not standard and is heavily dependent on design parameters. A low-component-density PCB could be implemented in a two-sided (two-layer) fabricated PCB, which does not ...
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  • Printed Circuit Board (PCB) Fabrication Technologies

    29-08-2017

    Printed Circuit Board (PCB) Fabrication Technologies

    Conventional PCB fabrication (raw PCBS) utilizes subtractive copper etching to produce circuitry. This process is generally carried out in a number of steps, as shown in Figure 6.6, where different me...
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  • Relating Quality Data to Manufacturing Six Sigma or Cpk Levels

    29-08-2017

    Relating Quality Data to Manufacturing Six Sigma or Cpk Levels

    There are many steps in the manufacture of printed circuit boards (PCBs). They include the preparation of the components and the fabricated PCB, the placement of the components or their insertion into...
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  • Electronic Products Cost Estimating Systems

    29-08-2017

    Electronic Products Cost Estimating Systems

    Typically, PCBs account for 90% of the total material cost of an electronic product. Developing PCB cost models can vary depending on the accuracy level needed. Consumer products are sensitive to cost...
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  • A Practical Quality and Cost Approach

    29-08-2017

    A Practical Quality and Cost Approach

    Both six sigma and the quality loss function discussed above are useful tools that can be used to achieve an assessment of product quality- in design and manufacturing and relate it to the cost of the...
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  • Quality Loss Function Example

    28-08-2017

    Quality Loss Function Example

    An example of the quality problems that occur in the fabrication of printed circuit boards (PCBs) is the fit of a PCB edge male connector into the product housing female connector or “card cage”. If t...
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