HEAT DIFFUSION SHEET
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United States of America Patent
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Oct 2, 2017
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Mar 31, 2015
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Abstract
A heat diffusion sheet includes a graphite sheet having a thickness of from 20 μm to 80 μm, an acrylic adhesive layer having a thickness within a range of from 5 μm to 15 μm and not containing a thermally conductive material, a polyester film having a thickness within a range of from 5 μm to 30 μm, and a silicone adhesive layer thinner than the polyester film, having a thickness within a range of from 2 μm to 25 μm, not containing a thermally conductive material and having a peeling strength of from 0.005 N/cm to 1.0 N/cm, sequentially laminated from the graphite sheet. Heat generated by the object to which the silicone adhesive layer is to be adhered is easily transferred to the graphite sheet and the heat diffusion sheet can be peeled off and reused easily.
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