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    • 4. 发明授权
    • System and method for generating wire bond fingers
    • 用于生成电线键合指的系统和方法
    • US06269327B1
    • 2001-07-31
    • US09248342
    • 1999-02-11
    • Richard G. BednarThomas P. CominoDonald J. MallingDavid P. Pagnani
    • Richard G. BednarThomas P. CominoDonald J. MallingDavid P. Pagnani
    • G06G748
    • H01L23/49838H01L24/48H01L24/49H01L2224/48227H01L2224/48233H01L2224/49171H01L2224/49173H01L2224/49433H01L2224/78901H01L2924/00014H01L2924/01005H01L2924/01006H01L2924/01076H01L2924/00H01L2224/45099H01L2224/05599
    • Chip carrier topology including a plurality of bond lines radiating from a line of chip pads to at least one of zero or more finger lines and zero or more voltage lines is defined by first collecting topology parameters selected from the set including the number of rows of fingers; the spacing between rows of fingers; finger style, said finger style being one of arc-of-circle, constant-bond-length, and encompassing-rectangle; location of voltage rings; value of voltage rings; location of chip pads; voltage of chip pads; dimensions of output fingers; minimum finger pair spacing; maximum finger angle with respect to its bond line; minimum spacing of bond line terminations at voltage rings; and minimum spacing of bond line terminations with respect to and adjacent bond line which terminates at a finger. A plurality of possible topology solutions are generated, and a single possible topology solution selected for further processing. From the single possible solution, a topology solution is generated by placing a middle finger with respect to a middle chip pad, processing alternative chip pads to the right and left sequentially from the middle chip pad selectively to position ring intercepts, inner row fingers and outer row fingers. The topology solution thus generated is evaluated and if acceptable, the result is output to an output file; if not acceptable for failure to conform to all topology parameters, the topology parameters are adjusted and the topology solution generated anew.
    • 通过首先收集从包括手指的行数的集合中选择的拓扑参数来定义包括从芯片焊盘线发射到零个或多个指状线和零个或多个电压线中的至少一个的多个键合线的芯片载体拓扑 ; 手指排之间的间距; 手指风格,指的是圆弧,恒定键长度和包围矩形之一; 电压环位置; 电压环值; 芯片贴片位置; 芯片焊盘电压; 输出手指的尺寸; 最小手指对间距; 相对于其粘合线的最大指角; 电压环上键合线终端的最小间距; 并且相对于终止于手指的结合线和相邻键合线的终止点的最小间距。 生成多种可能的拓扑解决方案,并选择一种可能的拓扑解决方案进行进一步处理。 从单一可能的解决方案中,通过相对于中间芯片焊盘放置中指产生拓扑解决方案,从中间芯片焊盘选择性地顺序地向左右依次地处理替代的芯片焊盘以定位环截距,内部行指和外部 行指。 对如此生成的拓扑解决方案进行评估,如果可以接受,则将结果输出到输出文件; 如果不符合所有拓扑参数的可接受性,则调整拓扑参数,并重新生成拓扑解。