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    • 7. 发明申请
    • SEMICONDUCTOR DEVICE WITH A BIPOLAR TRANSISTOR AND METHOD OF MANUFACTURING SUCH A DEVICE
    • 具有双极晶体管的半导体器件及其制造方法
    • WO2007036861A3
    • 2007-09-27
    • PCT/IB2006053446
    • 2006-09-22
    • NXP BVMEUNIER-BEILLARD PHILIPPEDUFFY RAYMOND JAGARWAL PRABHATHURKX GODEFRIDUS A M
    • MEUNIER-BEILLARD PHILIPPEDUFFY RAYMOND JAGARWAL PRABHATHURKX GODEFRIDUS A M
    • H01L29/737H01L21/331H01L29/08
    • H01L29/7378H01L29/0817H01L29/66242
    • The invention relates to a semiconductor device (10) with a substrate and a semiconductor body of silicon comprising a bipolar transistor with an emitter region (1), a base region (2) and a collector region (3) which are respectively of the N-type conductivity, the P-type conductivity and the N-type conductivity by the provision of suitable doping atoms, wherein the base region (2) comprises a mixed crystal of silicon and germanium, the base region (2) is separated from the emitter region by an intermediate region (22) of silicon having a doping concentration which is lower than the doping concentration of the emitter region (1) and with a thickness smaller than the thickness of the emitter region (1) and the emitter region (1) comprises a sub-region comprising a mixed crystal of silicon and germanium which is positioned at the side of emitter region (1) remote from the intermediate region (22). According to the invention, the sub-region comprising the mixed crystal of silicon and germanium extend substantially through the whole emitter region (1) up to the interlace with the intermediate region (22) and the doping atoms of the emitter region (1) are arsenic atoms. Such a device has a very steep n-type doping profile (50) and a very steep p- type doping profile (20) at or within the intermediate region (22) and thus excellent high- frequency behavior with a high cut-off frequency (fr). Preferably the emitter region (1) is doped with an arsenic implantation (I) in its upper half, the final doping profile being formed after an RTA. The invention also comprises a method of manufacturing a device (10) according to the invention.
    • 本发明涉及一种具有衬底和硅半导体本体的半导体器件(10),其包括具有发射极区(1),基极区(2)和集电极区(3)的双极晶体管,所述发射极区分别为N 通过提供合适的掺杂原子,P型导电性和P型导电性和N型导电性,其中基区(2)包括硅和锗的混合晶体,基极区(2)与发射极 通过具有低于发射极区域(1)的掺杂浓度的掺杂浓度并且具有小于发射极区域(1)和发射极区域(1)的厚度的厚度的硅的中间区域(22) 包括位于远离中间区域(22)的发射极区域(1)侧的硅和锗的混合晶体的子区域。 根据本发明,包括硅和锗的混合晶体的子区域基本上延伸穿过整个发射极区域(1)直到与中间区域(22)交错,并且发射极区域(1)的掺杂原子是 砷原子 这种器件在中间区域(22)处或中间区域(22)内具有非常陡的n型掺杂分布(50)和非常陡的p型掺杂分布(20),因此具有高截止频率的优异的高频特性 (FR)。 优选地,发射极区域(1)在其上半部分掺杂有砷注入(I),最后的掺杂分布在RTA之后形成。 本发明还包括一种制造根据本发明的装置(10)的方法。
    • 8. 发明申请
    • METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE OBTAINED WITH SUCH A METHOD
    • 制造半导体器件的方法和采用这种方法获得的半导体器件
    • WO2005062353A1
    • 2005-07-07
    • PCT/IB2004/052578
    • 2004-11-29
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PAWLAK, Bartlomiej, J.DUFFY, Raymond, J.
    • PAWLAK, Bartlomiej, J.DUFFY, Raymond, J.
    • H01L21/265
    • H01L29/6659H01L21/26506H01L21/26513H01L29/1083H01L29/6653
    • The invention relates to a method of manufacturing a semiconductor device (10) with a field effect transistor, in which method a semiconductor body (1) of silicon is provided at a surface thereof with a source region (2) and a drain region (3) of a first conductivity type, which both are provided with extensions (2A,3A) and with a channel region (4) of a second conductivity type, opposite to the first conductivity type, between the source region (2) and the drain region (3) and with a gate region (5) separated from the surface of the semiconductor body (1) by a gate dielectric (6) above the channel region (4), and wherein a pocket region (7) of the second conductivity type and with a doping concentration higher than the doping concentration of the channel region (4) is formed below the extensions (2A,3A), and wherein the pocket region (7) is formed by implanting heavy ions in the semiconductor body (1), after which implantation a first annealing process is done at a moderate temperature and a second annealing process with fast ramp-up is done at a higher temperature. According to the invention, the method is characterized in that between the two annealing processes amorphous silicon in the semiconductor body (1) is intentionally kept present in a surface region of the semiconductor body (1) which extends from the surface of the semiconductor body up to about the projected range of the implanted pocket region (7). This may be obtained by e.g. timely interrupting the first annealing process or by making the relevant region amorphous by an implantation of inert ions between the first and the second annealing process. In this way a very abrupt and narrow doping profile in the pocket region (7) is obtained, which is advantageous for future CMOS devices.
    • 本发明涉及一种制造具有场效应晶体管的半导体器件(10)的方法,其中在其表面上设置有源区(2)和漏区(3)的硅半导体本体(1) ),其在源极区域(2)和漏极区域(2)之间设置有延伸部(2A,3A)和与第一导电类型相反的第二导电类型的沟道区域(4) (3)并且具有通过沟道区域(4)上方的栅极电介质(6)与半导体本体(1)的表面分离的栅极区域(5),并且其中第二导电类型的袋区域(7) 并且在延伸部(2A,3A)的下方形成掺杂浓度高于沟道区域(4)的掺杂浓度的掺杂浓度,并且其中通过在半导体本体(1)中注入重离子形成袋区域(7) 之后,在适度的温度下进行第一次退火处理 e和在较高温度下进行快速升温的第二退火工艺。 根据本发明,该方法的特征在于,在两个退火处理之间,半导体本体(1)中的非晶硅有意地保持在半导体本体(1)的从半导体本体的表面向上延伸的表面区域中 到约植入袋区域(7)的投影范围。 这可以通过例如 及时中断第一退火工艺,或者通过在第一和第二退火工艺之间注入惰性离子使相关区域变为无定形。 以这种方式,获得了在口袋区域(7)中非常突然和窄的掺杂分布,这对将来的CMOS器件是有利的。
    • 9. 发明申请
    • SEMICONDUCTOR DEVICE WITH A BIPOLAR TRANSISTOR AND METHOD OF MANUFACTURING SUCH A DEVICE
    • 具有双极晶体管的半导体器件及制造这种器件的方法
    • WO2007036861A2
    • 2007-04-05
    • PCT/IB2006/053446
    • 2006-09-22
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.MEUNIER-BEILLARD, PhilippeDUFFY, Raymond, J.AGARWAL, PrabhatHURKX, Godefridus, A., M.
    • MEUNIER-BEILLARD, PhilippeDUFFY, Raymond, J.AGARWAL, PrabhatHURKX, Godefridus, A., M.
    • H01L29/7378H01L29/0817H01L29/66242
    • The invention relates to a semiconductor device (10) with a substrate and a semiconductor body of silicon comprising a bipolar transistor with an emitter region (1), a base region (2) and a collector region (3) which are respectively of the N-type conductivity, the P-type conductivity and the N-type conductivity by the provision of suitable doping atoms, wherein the base region (2) comprises a mixed crystal of silicon and germanium, the base region (2) is separated from the emitter region by an intermediate region (22) of silicon having a doping concentration which is lower than the doping concentration of the emitter region (1) and with a thickness smaller than the thickness of the emitter region (1) and the emitter region (1) comprises a sub-region comprising a mixed crystal of silicon and germanium which is positioned at the side of emitter region (1) remote from the intermediate region (22). According to the invention, the sub-region comprising the mixed crystal of silicon and germanium extend substantially through the whole emitter region (1) up to the interlace with the intermediate region (22) and the doping atoms of the emitter region (1) are arsenic atoms. Such a device has a very steep n-type doping profile (50) and a very steep p- type doping profile (20) at or within the intermediate region (22) and thus excellent high- frequency behavior with a high cut-off frequency (fr). Preferably the emitter region (1) is doped with an arsenic implantation (I) in its upper half, the final doping profile being formed after an RTA. The invention also comprises a method of manufacturing a device (10) according to the invention.
    • 本发明涉及一种具有衬底和硅半导体主体的半导体器件(10),该半导体主体包括具有发射极区(1),基极区(2)和集电极区( 3),其通过提供合适的掺杂原子分别具有N型导电性,P型导电性和N型导电性,其中基极区(2)包括硅和锗的混合晶体,基极区 (2)通过掺杂浓度低于发射极区域(1)的掺杂浓度并且厚度小于发射极区域(1)的厚度的中间区域(22)与发射极区域分开 )并且发射极区(1)包括包含位于发射极区(1)的远离中间区(22)侧的硅和锗的混合晶体的子区。 根据本发明,包含硅和锗的混合晶体的子区域基本上延伸穿过整个发射极区域(1),直到与中间区域(22)交织并且发射极区域(1)的掺杂原子是 砷原子。 这种器件在中间区域(22)处或内部具有非常陡峭的n型掺杂分布(50)和非常陡峭的p型掺杂分布(20),因此具有高截止频率 (FR)。 优选地,发射极区(1)在其上半部分掺杂有砷注入(I),最终的掺杂分布在RTA之后形成。 本发明还包括制造根据本发明的装置(10)的方法。