Low-loss laminate

  • 01-Mar-2010 05:11 EST
CircuitBoardcopy.jpg

TSM-DS from Taconic is a dimensionally stable, low-loss laminate that offers a low dielectric function of 0.001 at 10 GHz while providing better dimensional stability than epoxy. The ceramic-filled reinforced material features a low fiberglass content of approximately 5% that ensures consistency and predictability in fabricating large-format, high-layer-count printed wiring boards. For microwave applications, the low x, y, and z coefficient of thermal expansion values ensure that critical spacing between traces in filters and couplers has very low movement with temperature. The material can be used with low-profile copper foils, yielding a clear copper edge between coupled lines.

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