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Which of the following is the correct syntax to define a four-layer stack-up in a PCB design software layer stack file?

easy🧠 Conceptual Q3 of 15
PCB Design - Multi-Layer PCB Design
Which of the following is the correct syntax to define a four-layer stack-up in a PCB design software layer stack file?
ATopSignal; GroundPlane; PowerPlane; BottomSignal
BTopSignal, PowerPlane, GroundPlane, BottomSignal
CTopSignal GroundPlane PowerPlane BottomSignal
DTopSignal|GroundPlane|PowerPlane|BottomSignal
Step-by-Step Solution
Solution:
  1. Step 1: Understand common layer stack syntax

    Most PCB tools use semicolon-separated layer names for clarity and parsing.
  2. Step 2: Identify the correct separator and order

    TopSignal; GroundPlane; PowerPlane; BottomSignal uses semicolons and correct layer order, matching typical syntax.
  3. Final Answer:

    TopSignal; GroundPlane; PowerPlane; BottomSignal -> Option A
  4. Quick Check:

    Correct syntax uses semicolons and proper order [OK]
Quick Trick: Use semicolons to separate layers in stack-up files [OK]
Common Mistakes:
MISTAKES
  • Using commas or spaces instead of semicolons
  • Mixing layer order incorrectly
  • Using unsupported separators like pipes

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