Polyimide is a legacy material that provides a solution for printed circuit board designs that require increased thermal performance, higher operating temperatures and severe environment capability. However, there are some technical issues with Polyimide that Advanced Circuits wants you to be mindful of. Most of these laminates and prepregs are available in Brominated and Non-Brominated blends. Non-MDA (Methylenedianiline) formulations also tend to be less brittle. An issue to be careful about is the moisture absorption characteristics, as Polyimide can exhibit higher leakage as compared to FR-4 resin systems.
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The team at Advanced Circuits can help you choose the right materials and laminates so that your PCBs work exactly as you need them to for your application. It is best to compare your design requirements carefully in all areas so that you can weigh the costs and benefits of the materials at your disposal. To get started with a PCB quote, contact Advanced Circuits today.