PCB-productie

What are possible solutions to PCB warpage problems?

The problem you mentioned is due to an imbalance in thermal expansion/shrink between layers (in this case copper vs base material, like laminate). When the copper from one side of PCB is completely etched it tends to warp when the copper on the other side cools. It happens when there is the non-even number of layers.

Oplossing:

  • Use double-sided PCB (or any even number of layers)
  • Instead of solid copper, try to use grid copper, which is named “hatch” in the PCB CAD program.

Lees verder: Geautomatiseerde optische inspectie (AOI)

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Olivier Smit

Oliver is een ervaren elektronica-ingenieur met kennis van PCB-ontwerp, analoge circuits, ingebedde systemen, en prototyping. Zijn diepgaande kennis omvat schematisch vastleggen, firmware-codering, simulatie, indeling, testen, en probleemoplossing. Oliver blinkt uit in het omzetten van projecten van concept naar massaproductie met behulp van zijn elektrische ontwerptalenten en mechanische vaardigheden.

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