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Why is it important to include a drill file when ordering PCBs from fabricators?

hard🧠 Conceptual Q10 of 15
PCB Design - Manufacturing Output
Why is it important to include a drill file when ordering PCBs from fabricators?
AIt sets the delivery date
BIt determines the PCB color
CIt specifies hole locations and sizes for vias and mounting
DIt controls the solder mask thickness
Step-by-Step Solution
Solution:
  1. Step 1: Understand drill file purpose

    The drill file tells the fabricator where to drill holes and their sizes for vias and mounting holes.
  2. Step 2: Exclude unrelated functions

    PCB color, solder mask thickness, and delivery date are unrelated to drill files.
  3. Final Answer:

    It specifies hole locations and sizes for vias and mounting -> Option C
  4. Quick Check:

    Drill file = hole locations and sizes [OK]
Quick Trick: Drill files define holes, not colors or delivery [OK]
Common Mistakes:
MISTAKES
  • Confusing drill files with color or mask settings
  • Thinking drill files affect delivery
  • Ignoring hole specifications

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