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    • 18. 发明授权
    • Method for bonding heat sinks to overmold material and resulting structure
    • 将散热片粘结到包覆成型材料和结构上的方法
    • US07078802B2
    • 2006-07-18
    • US10983563
    • 2004-11-08
    • Michael GaynesWilliam R. Hill
    • Michael GaynesWilliam R. Hill
    • H01L23/34H05H1/00B29C65/00
    • B29C59/14H01L21/56H01L2224/48472H01L2924/15311
    • A method and resulting electronic package in which a heat sink is secured to the package's dielectric material (e.g., overmold). The surface of the dielectric is roughened (e.g., using an abrasive paper or pad) to enhance the subsequent dielectric-heat sink bond in which an adhesive is used. The dielectric material's roughened external surface(s), typically containing silicone material (e.g., silicone residue) which is an inherent by-product of many dielectric materials of the type used in such packaging, is (are) able to still be securely attached to the heat sink, despite the presence of said silicone. In another embodiment, the roughened surface enhances the marking of dielectric material of this type (e.g., using ink).
    • 一种方法和产生的电子封装,其中散热器固定到封装的电介质材料(例如,包覆成型)上。 电介质的表面被粗糙化(例如,使用研磨纸或垫)以增强随后的使用粘合剂的介电散热器接合。 电介质材料的粗糙化的外表面通常含有作为这种包装中使用的许多介电材料的固有副产品的有机硅材料(例如,硅氧烷残余物),其能够仍然可靠地连接到 散热器,尽管存在所述硅树脂。 在另一个实施方案中,粗糙化表面增强了这种类型的介电材料的标记(例如使用油墨)。