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    • 85. 发明授权
    • Frontside SOI gettering with phosphorus doping
    • 磷掺杂前面SOI吸杂
    • US06376336B1
    • 2002-04-23
    • US09775215
    • 2001-02-01
    • Matthew S. Buynoski
    • Matthew S. Buynoski
    • H01L21322
    • H01L21/3226
    • The present invention relates to a method of manufacturing a silicon-on-insulator semiconductor wafer, including the steps of (1) forming a silicon-on-insulator semiconductor wafer having at least one surface of a monocrystalline silicon film; (2) contacting the at least one surface with phosphorus ions to form a doped region of the monocrystalline silicon film doped with phosphorus above a region of the monocrystalline silicon film which remains undoped; (3) subjecting the wafer to conditions to getter at least one impurity from the undoped region into the doped region; and (4) removing a portion of the monocrystalline silicon film including the doped region from the at least one surface, leaving a substantial portion of the monocrystalline silicon film.
    • 本发明涉及一种制造绝缘体上硅半导体晶片的方法,包括以下步骤:(1)形成具有至少一个单晶硅膜表面的绝缘体上硅半导体晶片; (2)使所述至少一个表面与磷离子接触以在所述单晶硅膜的保留未掺杂的区域上形成掺杂有磷的单晶硅膜的掺杂区域; (3)对所述晶片进行条件以从所述未掺杂区域吸收至少一种杂质进入所述掺杂区域; 和(4)从至少一个表面去除包括掺杂区的单晶硅膜的一部分,留下大部分单晶硅膜。
    • 86. 发明授权
    • Method of creating selectively thin silicon/oxide for making fully and partially depleted SOI on same waffer
    • 产生选择性薄的硅/氧化物以在相同的干燥剂上制造完全和部分耗尽的SOI的方法
    • US06326247B1
    • 2001-12-04
    • US09606651
    • 2000-06-28
    • Srinath KrishnanMatthew S. Buynoski
    • Srinath KrishnanMatthew S. Buynoski
    • H01L2100
    • H01L27/1203
    • A method for providing partially depleted and fully depleted transistor devices on the same semiconductor wafer. A semiconductive layer is provided having an oxide layer thereon. At least one trench is then etched into the oxide layer. The oxide layer is then filled with a substrate material layer and then ground and polished down to form a generally planar upper surface. The trench filled regions of the oxide layer form an oxide layer having regions of a first thickness and the remaining regions of the oxide layer are of a second thickness. The semiconductor wafer can then be flipped and partially depleted transistor devices formed over the regions of the first thickness and fully depleted transistor devices formed over regions of the second thickness.
    • 一种用于在同一半导体晶片上提供部分耗尽和完全耗尽的晶体管器件的方法。 提供其上具有氧化物层的半导体层。 然后将至少一个沟槽蚀刻到氧化物层中。 然后用基底材料层填充氧化物层,然后研磨并抛光,以形成大致平坦的上表面。 氧化物层的沟槽填充区域形成具有第一厚度的区域的氧化物层,并且氧化物层的其余区域具有第二厚度。 然后可以将半导体晶片翻转并在第二厚度的区域上形成的在第一厚度的区域上形成的部分耗尽的晶体管器件和完全耗尽的晶体管器件。