PCB Design

PCB Design

  • Width of the PCB traces should be 50% of the pitch to avoid short circuits
  • Make PCB traces wider than flex traces to allow solder to flow and fillets to form
  • Tooling holes in PCB and Flex allow easy alignment of traces
  • Provide room for thermode to overhang both ends of pad area by 0.040”(1mm)
pcb-design
 
 

PROBLEM

Differences in heat sinking from pad to pad can cause uneven heating:

Unequal trace area and plated through holes act as a heat sink, causing uneven heat distribution.

pcb problem
SOLUTION
 
Equal trace sizes (mass) leads to equal heating and better solder joint quality. Minimum .08" wide solder area is recommended.
 
 
 
pcb solution


About Us

Advanced Integrated Technologies is essentially a manufacturing service company with two major divisions. The resistance welding and reflow soldering tool division grew out of our early work building micro tools for Hughes Aircraft. About the time that Microsoft was turning computers into a household item, computer hardware manufacturers were looking for companies to build reflow tools used in the assembly of hard drives and other components.

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