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    • 6. 发明申请
    • PACKAGE SUBSTRATE HAVING ELECTRICALLY CONNECTING STRUCTURE
    • 具有电连接结构的封装基板
    • US20090146317A1
    • 2009-06-11
    • US12265305
    • 2008-11-05
    • Chao-Wen Shih
    • Chao-Wen Shih
    • H01L23/52
    • H01L23/49811H01L24/11H01L2224/0361H01L2224/03912
    • A package substrate having an electrically connecting structure are provided. The package substrate include: a package substrate substance with at least a surface having a plurality of electrically connecting pads formed thereon, allowing an insulating protective layer to be formed on the surface of the package substrate substance and the electrically connecting pads and formed with a plurality of openings corresponding in position to the electrically connecting pads so as to expose a portion of the electrically connecting pads, respectively; and a metal layer provided on an exposed portion of the electrically connecting pads, walls of the openings of the insulating protective layer, and a circular portion of the insulating protective layer encircling each of the openings thereof, and provided with a slope corresponding in position to a bottom rim of each of the openings. Accordingly, solder bleeding and short circuits are prevented.
    • 提供具有电连接结构的封装基板。 封装基板包括:至少具有形成在其上的多个电连接焊盘的表面的封装基板物质,允许在封装基板物质和电连接焊盘的表面上形成绝缘保护层并形成多个 的开口对应于电连接焊盘的位置,以分别暴露电连接焊盘的一部分; 以及金属层,其设置在所述电连接焊盘的露出部分,所述绝缘保护层的所述开口的壁以及所述绝缘保护层的围绕其每个所述开口的圆形部分,并且设置有对应于 每个开口的底边缘。 因此,防止了焊料渗出和短路。
    • 10. 发明申请
    • Method for fabricating conductive bump of circuit board
    • 电路板导电凸块的制造方法
    • US20060051952A1
    • 2006-03-09
    • US11079389
    • 2005-03-15
    • Shih-Ping HsuSao-Hsia TangYing-Tung WangWen-Hung HuChao-Wen ShihMeng-Da Chou
    • Shih-Ping HsuSao-Hsia TangYing-Tung WangWen-Hung HuChao-Wen ShihMeng-Da Chou
    • H01L21/44
    • H05K3/3473H01L21/4853H01L23/49816H01L2224/0554H01L2224/05568H01L2224/05573H01L2224/16225H01L2924/00014H05K3/242H05K3/4602H05K2201/0352H05K2201/09436H05K2201/096H05K2203/043H05K2203/054H05K2203/0574H05K2203/1476H05K2203/1572H05K2203/1581H01L2224/05599H01L2224/0555H01L2224/0556
    • A method for fabricating conductive bumps of a circuit board is proposed. First of all, a circuit board having a first surface and a corresponding second surface is provided. A circuit structure having a plurality of conductive pads is formed on each of the first surface and the second surface, and conductive structures are formed in the circuit board for electrically connecting the circuit structures. Also, an insulating layer having a plurality of openings penetrating therethrough is formed on the circuit board for exposing the conductive pad. Then, a conductive layer is formed on a surface of the insulating layer having the opening formed on the first surface of the circuit board. An electroplating process is performed via the conductive layer and the conductive structure, such that a conductive bump is formed on the conductive pad located on the second surface of the circuit board. Subsequently, a resist layer is formed on the second surface of the circuit board to cover the conductive bump, and another resist layer having openings penetrating therethrough is formed on the first surface of the circuit board to expose the conductive pad. Finally, a conductive bump is formed on the conductive pad located on the first surface of the circuit board by an electroplating process. By such arrangement, the conductive bumps are successively formed on the first surface and the second surface of the circuit board.
    • 提出了一种用于制造电路板的导电凸块的方法。 首先,提供具有第一表面和相应的第二表面的电路板。 在所述第一表面和所述第二表面中的每一个上形成具有多个导电焊盘的电路结构,并且在所述电路板中形成导电结构以电连接所述电路结构。 此外,在电路板上形成具有贯穿其中的多个开口的绝缘层,用于暴露导电焊盘。 然后,在具有形成在电路板的第一表面上的开口的绝缘层的表面上形成导电层。 通过导电层和导电结构进行电镀处理,使得在位于电路板的第二表面上的导电焊盘上形成导电凸块。 随后,在电路板的第二表面上形成抗蚀剂层以覆盖导电凸块,并且在电路板的第一表面上形成具有贯穿其中的开口的另一个抗蚀剂层,以露出导电焊盘。 最后,通过电镀工艺在位于电路板的第一表面上的导电焊盘上形成导电凸块。 通过这种布置,导电凸块依次形成在电路板的第一表面和第二表面上。