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    • 1. 发明授权
    • Method for manufacturing a bipolar transistor having a polysilicon emitter
    • 一种制造具有多晶硅发射极的双极晶体管的方法
    • US07060583B2
    • 2006-06-13
    • US10757360
    • 2004-01-13
    • Jakob KrizMartin SeckArmin Tilke
    • Jakob KrizMartin SeckArmin Tilke
    • H01L21/331H01L21/8222
    • H01L29/66272H01L21/2257
    • In the inventive method for manufacturing a bipolar transistor having a polysilicon emitter, a collector region of a first conductivity type and, adjoining thereto, a basis region of a second conductivity type will be generated at first. At least one layer of an insulating material will now be applied, wherein the at least one layer is patterned such that at least one section of the basis region is exposed. Next, a layer of a polycrystalline semiconductor material of the first conductivity type, which is heavily doped with doping atoms, will be generated such that the exposed section is essentially covered. Now, a second layer of a highly conductive material on the layer of the polycrystalline semiconductor material will be generated in order to form an emitter double layer with the same. Thereupon, at least part of the doping atoms of the first conductivity type of the heavily doped polycrystalline semiconductor layer is caused to get into the basis region to generate an emitter region of the first conductivity type.
    • 在本发明的制造具有多晶硅发射极的双极晶体管的方法中,首先将产生第一导电类型的集电极区域,并与其邻接的第二导电类型的基极区域。 现在将施加至少一层绝缘材料,其中图案化至少一个层使得基础区域的至少一个部分被暴露。 接下来,将产生重掺杂掺杂原子的第一导电类型的多晶半导体材料层,使得暴露部分基本上被覆盖。 现在,将产生多晶半导体材料层上的高导电材料的第二层,以便形成具有该多层半导体材料的发射极双层。 因此,引起重掺杂多晶半导体层的第一导电类型的掺杂原子的至少一部分进入基区以产生第一导电类型的发射极区。
    • 9. 发明授权
    • Method for producing a transistor structure
    • 晶体管结构的制造方法
    • US07371650B2
    • 2008-05-13
    • US10532894
    • 2003-10-24
    • Josef BöckRudolf LachnerThomas MeisterReinhard StenglHerbert SchäferMartin Seck
    • Josef BöckRudolf LachnerThomas MeisterReinhard StenglHerbert SchäferMartin Seck
    • H01L21/331
    • H01L29/66272H01L21/8222H01L27/0825H01L29/0821
    • A method for fabricating a transistor structure with a first and a second bipolar transistor having different collector widths is presented. The method includes providing a semiconductor substrate, introducing a first buried layer of the first bipolar transistor and a second buried layer of the second bipolar transistor into the semiconductor substrate, and producing at least a first collector region having a first collector width on the first buried layer and a second collector region having a second collector width on the second buried layer. A first collector zone having a first thickness is produced on the second buried layer for production of the second collector width. A second collector zone having a second thickness is produced on the first collector zone. At least one insulation region is produced that isolates at least the collector regions from one another.
    • 提出了一种制造具有不同集电极宽度的第一和第二双极晶体管的晶体管结构的方法。 该方法包括提供半导体衬底,将第一双极晶体管的第一掩埋层和第二双极晶体管的第二掩埋层引入到半导体衬底中,并且至少在第一掩埋层上产生具有第一集电极宽度的第一集电极区域 层和在第二掩埋层上具有第二集电极宽度的第二集电极区。 在第二掩埋层上产生具有第一厚度的第一收集器区,用于产生第二收集器宽度。 在第一收集器区域上产生具有第二厚度的第二收集器区域。 产生至少一个绝缘区域,其至少隔离收集器区域彼此。