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    • 8. 发明授权
    • Method for the selective doping of silicon and silicon substrate treated therewith
    • 用于处理硅和硅衬底的选择性掺杂的方法
    • US08399343B2
    • 2013-03-19
    • US12903804
    • 2010-10-13
    • Dirk Habermann
    • Dirk Habermann
    • H01L21/316
    • H01L31/1804H01L21/2255H01L31/022425H01L31/068Y02E10/547Y02P70/521
    • A method for the selective doping of silicon of a silicon substrate (1) for producing a pn-junction in the silicon is characterized by the following steps: a) Providing the surface of the silicon substrate (1) with a doping agent (2) based on phosphorous, b) heating the silicon substrate (1) for creating a phosphorous silicate glass (2) on the surface of the silicon, wherein phosphorous diffuses into the silicon as a first doping (3), c) applying a mask (4) on the phosphorous silicate glass (2), covering the regions (5) that are later highly doped, d) removing the phosphorous silicate glass (2) in the non-masked regions, e) removing the mask (4) from the phosphorous silicate glass (2), f) again heating for the further diffusion of phosphorous from the phosphorous silicate glass (2) into the silicon as a second doping for creating the highly doped regions (5), g); complete removal of the phosphorous silicate glass (2) from the silicon.
    • 用于在硅中制造pn结的硅衬底(1)的硅的选择性掺杂的方法的特征在于以下步骤:a)用硅掺杂剂(2)提供硅衬底(1)的表面, 基于磷,b)加热用于在硅表面上产生磷硅酸盐玻璃(2)的硅衬底(1),其中磷作为第一掺杂(3)扩散到硅中,c)施加掩模(4) )覆盖磷酸硅玻璃(2),覆盖稍后被高度掺杂的区域(5),d)去除非掩蔽区域中的磷硅酸盐玻璃(2),e)从磷中去除掩模(4) 硅酸盐玻璃(2),f)再次加热用于将磷从磷硅酸盐玻璃(2)进一步扩散到硅中作为用于产生高掺杂区(5)的第二掺杂,g); 从硅中完全除去磷酸硅玻璃(2)。
    • 10. 发明申请
    • Method for the Selective Doping of Silicon and Silicon Substrate Treated Therewith
    • 用于处理硅和硅衬底的选择性掺杂的方法
    • US20110114168A1
    • 2011-05-19
    • US12903804
    • 2010-10-13
    • Dirk Habermann
    • Dirk Habermann
    • H01L31/0224H01L31/0216
    • H01L31/1804H01L21/2255H01L31/022425H01L31/068Y02E10/547Y02P70/521
    • A method for the selective doping of silicon of a silicon substrate (1) for producing a pn-junction in the silicon is characterized by the following steps: a) Providing the surface of the silicon substrate (1) with a doping agent (2) based on phosphorous, b) heating the silicon substrate (1) for creating a phosphorous silicate glass (2) on the surface of the silicon, wherein phosphorous diffuses into the silicon as a first doping (3), c) applying a mask (4) on the phosphorous silicate glass (2), covering the regions (5) that are later highly doped, d) removing the phosphorous silicate glass (2) in the non-masked regions, e) removing the mask (4) from the phosphorous silicate glass (2), f) again heating for the further diffusion of phosphorous from the phosphorous silicate glass (2) into the silicon as a second doping for creating the highly doped regions (5), g); complete removal of the phosphorous silicate glass (2) from the silicon.
    • 用于在硅中制造pn结的硅衬底(1)的硅的选择性掺杂的方法的特征在于以下步骤:a)用硅掺杂剂(2)提供硅衬底(1)的表面, 基于磷,b)加热用于在硅表面上产生磷硅酸盐玻璃(2)的硅衬底(1),其中磷作为第一掺杂(3)扩散到硅中,c)施加掩模(4) )覆盖磷酸硅玻璃(2),覆盖稍后被高度掺杂的区域(5),d)去除非掩蔽区域中的磷硅酸盐玻璃(2),e)从磷中去除掩模(4) 硅酸盐玻璃(2),f)再次加热用于将磷从磷硅酸盐玻璃(2)进一步扩散到硅中作为用于产生高掺杂区(5)的第二掺杂,g); 从硅中完全除去磷酸硅玻璃(2)。