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    • 8. 发明申请
    • Packaged substrate having variable width conductors and a variably spaced reference plane
    • 封装衬底具有可变宽度的导体和可变间隔的参考平面
    • US20060001149A1
    • 2006-01-05
    • US10883049
    • 2004-06-30
    • Victor Prokofiev
    • Victor Prokofiev
    • H01L23/48
    • H01L23/49822H01L2924/0002H01L2924/3011H01L2924/00
    • A package substrate for a microelectronic die is described. The package substrate has first terminals in a small area and second terminals in a larger area with conductors connecting the first and second terminals. The conductors are fairly narrow near the first terminals so that they can fit next to one another near the first terminals and before fanning out to the second terminals. The reference plane next to the conductors forms a step so that a first surface of the reference plane is closer to the conductors where they are narrow, and a second portion of the reference plane surrounding the first portion is further from the conductors where they are wider. The capacitance created between a respective conductor and the reference plane remains relatively constant per unit length because the reference plane is closer to the conductor where the conductor is narrow and further from the conductor where the conductor is wider.
    • 描述了用于微电子管芯的封装衬底。 封装衬底具有小面积的第一端子和具有连接第一和第二端子的导体的较大区域中的第二端子。 导体在第一端子附近相当窄,使得它们可以在第一端子附近彼此相邻并且在扇形到第二端子之前。 靠近导体的参考平面形成一个步骤,使得参考平面的第一表面更靠近导体,其中它们较窄,并且围绕第一部分的参考平面的第二部分远离导体,其中它们较宽 。 由于参考平面更靠导体导体较窄的导体,导体较宽的导体,所以在相应的导体与参考平面之间产生的电容保持相对恒定。