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    • 3. 发明申请
    • PROCESS FOR MAKING A HIGH VOLTAGE NPN BIPOLAR DEVICE WITH IMPROVED AC PERFORMANCE
    • 制造具有改进的交流性能的高压NPN双极器件的工艺
    • WO2002097896A1
    • 2002-12-05
    • PCT/GB2002/002350
    • 2002-05-20
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONIBM UNITED KINGDOM LIMITED
    • JOHNSON, JeffreyJOSEPH, AlvinRAMACHANDRAN, Vidhya
    • H01L29/08
    • H01L29/66242H01L29/0821H01L29/7378
    • A method of improving the speed of a heterojunction bipolar device without negatively impacting ruggedness of the device is provided. This method includes the steps of providing a structure that includes at least a bipolar device region, the bipolar device region comprising at least a collector region (14) formed over a sub-collector region (12); and forming an n-type dopant region within the collector region, wherein the n-type dopant region (18) within the collector region, wherein the n-type dopant region has a vertical width that is less than about 200 nm (2000 Å) and a peak concentration that is greater than a peak concentration of the collector region. The present invention also provides a method of fabricating a heterojunction bipolar transistor device as well as the device itself which can be used in various applications including as a component for a mobile phone, a component of a personal digital assistant and other like applications wherein speed and ruggedness are required.
    • 提供了一种提高异质结双极器件的速度而不会不利地影响器件耐用性的方法。 该方法包括提供包括至少双极器件区域的结构的步骤,所述双极器件区域至少包括形成在子集电极区域(12)上的集电极区域(14)。 以及在所述集电极区域内形成n型掺杂剂区域,其中所述集电极区域内的所述n型掺杂剂区域(18),其中所述n型掺杂剂区域具有小于约200nm的垂直宽度(2000) 并且峰浓度大于集电极区域的峰值浓度。 本发明还提供了一种制造异质结双极晶体管器件的方法以及可用于各种应用的器件本身,包括用作移动电话的组件,个人数字助理的组件以及其它类似的应用,其中速度和 需要坚固性。