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    • 11. 发明申请
    • WARPAGE-PROOF CIRCUIT BOARD STRUCTURE
    • 防伪电路板结构
    • US20080210459A1
    • 2008-09-04
    • US12039997
    • 2008-02-29
    • Wei-Hung Lin
    • Wei-Hung Lin
    • H05K1/09
    • H05K1/0271H05K3/108H05K3/4644H05K2201/09563H05K2201/096H05K2201/09781H05K2201/2009H05K2201/2018
    • The invention provides a warpage-proof circuit board structure, including: an inner layer circuit board; at least one dielectric layer formed on at least one surface of the inner layer circuit board; at least one first groove formed in the at least one dielectric layer corresponding in position thereto; a solder mask formed on the surface of the dielectric layer, a second groove formed in the solder mask and corresponding in position to the first groove formed in the dielectric layer; and a metal frame formed in the first and second grooves and protruding from the surface of the solder mask, thereby strengthening the circuit board to prevent it from warping in thermal processing and further using the metal frame as a heat-dissipating means for the package structure.
    • 本发明提供一种抗翘曲电路板结构,包括:内层电路板; 形成在所述内层电路板的至少一个表面上的至少一个电介质层; 形成在所述至少一个电介质层中的至少一个第一凹槽对应于其中; 形成在所述电介质层的表面上的焊料掩模,形成在所述焊料掩模中并对应于形成在所述电介质层中的所述第一沟槽的位置的第二沟槽; 以及金属框架,形成在第一槽和第二槽中并且从焊接掩模的表面突出,从而加强电路板以防止其在热加工中翘曲,并且进一步使用金属框作为用于封装结构的散热装置 。