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    • 17. 发明授权
    • Method for reducing surface leakage current on semiconductor intergrated
circuits during polyimide passivation
    • 在聚酰亚胺钝化期间减少半导体集成电路上的表面泄漏电流的方法
    • US5807787A
    • 1998-09-15
    • US755862
    • 1996-12-02
    • Wen-Jui FuHo-Ku LanYing-Chen Chao
    • Wen-Jui FuHo-Ku LanYing-Chen Chao
    • H01L21/311H01C21/4762
    • H01L21/31138Y10S438/974
    • A method is achieved for reducing the surface leakage current between adjacent bonding pads on integrated circuit substrates after forming a patterned polyimide passivation layer. When the polyimide layer is patterned to open contacts areas over the bonding pads, plasma ashing in oxygen is used to remove residual polyimide that otherwise causes high contact resistance, and poor chip yield. This plasma ashing also modifies the insulating layer between bonding pads resulting in an unwanted increase in surface leakage currents between bonding pads. The passivation process is improved by using a thermal treatment step in either a nitrogen or air ambient after the plasma ashing to essentially eliminate the increased surface leakage current and improve chip yield.
    • 在形成图案化的聚酰亚胺钝化层之后,实现了一种降低集成电路基板上的相邻焊盘之间的表面泄漏电流的方法。 当将聚酰亚胺层图案化以在接合焊盘上打开接触区域时,使用氧气中的等离子体灰化来除去残留的聚酰亚胺,否则会导致高接触电阻和较差的芯片产量。 该等离子体灰化还修改接合焊盘之间的绝缘层,导致焊盘之间的表面泄漏电流的不期望的增加。 通过在等离子体灰化之后在氮气或空气环境中使用热处理步骤来基本上消除增加的表面泄漏电流并提高芯片产量来改善钝化过程。
    • 18. 发明授权
    • Method of automatic dummy layout generation
    • 自动虚拟布局生成方法
    • US5790417A
    • 1998-08-04
    • US718735
    • 1996-09-25
    • Ying-Chen ChaoChia-Hsiang ChenJhy-Sheng Sheu
    • Ying-Chen ChaoChia-Hsiang ChenJhy-Sheng Sheu
    • G06F17/50H01L23/528
    • G06F17/5068H01L23/528H01L2924/0002
    • A method is provided for producing a dummy pattern for an I.C. semiconductor device multi-layer interconnection metallurgy, having a planar global top surface with a dummy pattern for a circuit for use with conductor lines in the circuit pattern. Create a reverse pattern which is a complement of a widened conductor lines in the circuit pattern with openings about the location of the circuit pattern and provide a dummy cross grid pattern. A gridded dummy pattern is generated by creating a dummy grid pattern of the reverse pattern combining it with the negative of the dummy cross grid pattern leaving a cross grid of dummy elements and openings about the location of the circuit pattern. Provide a revised pattern by adding the circuit pattern to the gridded dummy pattern. Take the product of a contact layout pattern multiplied times the sizing operator multiplied times a separation parameter. Then subtract the sized and separated contact layout pattern from the gridded dummy pattern. Then multiply the dummy pattern times a function of sizing operators, and provide a revised contact and circuit pattern by adding the circuit pattern to the sized dummy pattern.
    • 提供了一种用于产生I.C.的虚拟图案的方法。 半导体器件多层互连冶金,具有平面全局顶表面,其具有用于电路图案中的导线的电路的虚拟图案。 创建一个反向图案,该反向图案是电路图案中的加宽导体线的补码,其中围绕电路图案的位置具有开口并提供虚拟的交叉格局图案。 通过创建反向图案的虚拟网格图案来生成网格虚拟图案,其将虚拟网格图案与虚拟十字网格图案的负片组合,留下围绕电路图案的位置的虚拟元素和开口的十字网格。 通过将电路图案添加到网格的虚拟图案中来提供修改的图案。 将联系人布局图案乘以倍数乘以乘以分离参数的乘积。 然后从网格虚拟模式中减去大小和分隔的联系人布局模式。 然后将虚拟图案乘以尺寸操作符的函数,并通过将电路图案添加到大小的虚拟图案中来提供修改的接触和电路图案。