What’s the thickness of FR4 substrate that one should take when designing a micro-strip antenna with an HFSS tool?

I am designing a micro-strip antenna with an HFSS toll, what's the thickness of FR4 substrate that one should take ?

As I recall, most FR4 stock is .062in thick. The thickness of the stock is not quite as important as to your specification of the stock.

One can have a PCB house plate copper onto the standard board stock to your specs, which might be more useful in your micro-strip design parameter selection.

To be fair, though, I am unfamiliar with the software tool you mentioned. I had to do the design the hard way and tweak as necessary.

Remark:

  • If the board is single-sided, then the above is true. The copper thickness is more important than the substrate itself.
  • If one is using a two-sided, or multilayered design, the thickness of the stock is one more difficulty to be solved in designing your micro-strip elements., especially the distance to a ground plane.

Read More: How to Choose the Right PCB Thickness?

#PCB Design #PCB Materials

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Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.
Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

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