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Reworkable gap pads
29 January 2014, Manufacturing / Production Technology, Hardware & Services

Gap Pad 1450 has joined the Gap Pad family of thermally conductive, gap filling thermal interface materials from the Bergquist Company, featuring a permanent polyester (PEN) liner that allows reworking and enhances mechanical compliance in low-stress applications.

Offering high thermal conductivity of 1,3 W/m-K, the material is available in six thicknesses from 0,508 mm to 3,175 mm. While the standard sheet size is 8 x 16 inches, custom, die-cut parts are also available to special order.

With its clear PEN liner, Gap Pad 1450 is also puncture- and tear-resistant, thereby helping protect components and preserve electrical isolation. The unlined side maintains a conformable yet elastic nature that provides excellent interfacing and wet-out characteristics, even to surfaces with high roughness or uneven topography. According to Bergquist, the material has greater natural tack than similar ultra-soft materials, which saves applying adhesive and hence helps maximise the thermal performance of assemblies.

Gap Pad 1450 is ideal for applications such as solid-state lighting and other LED assemblies, computer and telecommunication equipment, and generally between heat-generating semiconductors and heatsinks, particularly where strain on fragile component leads must be minimised.

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