Green Materials for Flex Circuits

The material received UL 94 V-0 classification for flame-retardant performance. It builds upon the company’s R/flex CRYSTAL line for “green” manufacturing and high performance in complex assemblies. Thermal stability enables repeated lead-free reflow exposure. Dimensional stability and adjustable squeeze-out reportedly increases yields in fine-pitch, tight-tolerance designs. The material’s transparency is said to simplify optical inspection.

Targeting long-term use and reworkable assemblies, the Keratherm 86/82 high-tensile-strength thermal interface material (TIM) is thermally conductive and electrically isolating, comprising silicone film with a fiberglass layer.


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