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    • 1. 发明授权
    • Bipolar transistor having a second, base-comprising region consisting of a first layer, a second, constrictive, layer, and a third layer
    • 具有由第一层,第二层,缩缩层和第三层组成的第二基底包含区域的双极晶体管
    • US07932156B2
    • 2011-04-26
    • US11997231
    • 2006-07-26
    • Johannes J. T. M. DonkersWibo D. Van NoortFrancois Neuilly
    • Johannes J. T. M. DonkersWibo D. Van NoortFrancois Neuilly
    • H01L21/331
    • H01L29/7378H01L21/26506H01L21/26513H01L29/0649H01L29/1004H01L29/66242H01L29/66272H01L29/732
    • The invention relates to a semiconductor device (10) with a substrate (12) and a semiconductor body (11) of silicon comprising a bipolar transistor with an emitter region, a base region and a collector region (1,2,3) first conductivity type, a second conductivity type opposite to said first conductivity type and the first conductivity type, respectively, with a first semiconductor region (3) comprising the collector region or the emitter region being formed in the semiconductor body (11), on top of which a second semiconductor region (2) comprising the base region is present, on top of which a third semiconductor region (1) comprising the other of said collector region and said emitter region is present, said semiconductor body (11) being provided with a constriction at the location of the transition between the first and the second semiconductor region (3, 2), which constriction has been formed by means of an electrically insulating region (26, 27) buried in the semiconductor body (11). According to the invention a part of the semiconductor body that is formed above the buried electrically insulating region (26,27) is monocrystalline. This enables a strong lateral miniaturization of the device and results in excellent high frequency properties of the transistor. Such a device (10) is possible thanks to its manufacture with a method of manufacturing according to the invention.
    • 本发明涉及具有衬底(12)和硅的半导体本体(11)的半导体器件(10),其包括具有发射极区域,基极区域和集电极区域(1,2,3)的双极晶体管的第一导电性 类型,分别与所述第一导电类型和第一导电类型相反的第二导电类型,其中第一半导体区域(3)包括形成在半导体本体(11)中的集电极区域或发射极区域,其顶部 存在包括基极区域的第二半导体区域(2),其上存在包括所述集电极区域和所述发射极区域中的另一个的第三半导体区域(1),所述半导体本体(11)设置有收缩部 在第一和第二半导体区域(3,2)之间的过渡位置处,通过埋在半导体本体(11)中的电绝缘区域(26,27)形成该收缩 )。 根据本发明,形成在掩埋电绝缘区域(26,27)上方的半导体本体的一部分是单晶的。 这使得器件的强大的侧向小型化并且导致晶体管的优异的高频特性。 由于通过根据本发明的制造方法的制造,这种装置(10)是可能的。
    • 2. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SUCH A DEVICE
    • 半导体器件及其制造方法
    • US20090174034A1
    • 2009-07-09
    • US11997231
    • 2006-07-26
    • Johannes J., T., M. DonkersWibo D. Van NoortFrancois Neuilly
    • Johannes J., T., M. DonkersWibo D. Van NoortFrancois Neuilly
    • H01L29/73H01L21/331
    • H01L29/7378H01L21/26506H01L21/26513H01L29/0649H01L29/1004H01L29/66242H01L29/66272H01L29/732
    • The invention relates to a semiconductor device (10) with a substrate (12) and a semiconductor body (11) of silicon comprising a bipolar transistor with an emitter region, a base region and a collector region (1,2,3) first conductivity type, a second conductivity type opposite to said first conductivity type and the first conductivity type, respectively, with a first semiconductor region (3) comprising the collector region or the emitter region being formed in the semiconductor body (11), on top of which a second semiconductor region (2) comprising the base region is present, on top of which a third semiconductor region (1) comprising the other of said collector region and said emitter region is present, said semiconductor body (11) being provided with a constriction at the location of the transition between the first and the second semiconductor region (3, 2), which constriction has been formed by means of an electrically insulating region (26, 27) buried in the semiconductor body (11). According to the invention a part of the semiconductor body that is formed above the buried electrically insulating region (26,27) is monocrystalline. This enables a strong lateral miniaturization of the device and results in excellent high frequency properties of the transistor. Such a device (10) is possible thanks to its manufacture with a method of manufacturing according to the invention.
    • 本发明涉及具有衬底(12)和硅的半导体本体(11)的半导体器件(10),其包括具有发射极区域,基极区域和集电极区域(1,2,3)的双极晶体管的第一导电性 类型,分别与所述第一导电类型和第一导电类型相反的第二导电类型,其中第一半导体区域(3)包括形成在半导体本体(11)中的集电极区域或发射极区域,其顶部 存在包括基极区域的第二半导体区域(2),其上存在包括所述集电极区域和所述发射极区域中的另一个的第三半导体区域(1),所述半导体本体(11)设置有收缩部 在第一和第二半导体区域(3,2)之间的过渡位置处,通过埋在半导体本体(11)中的电绝缘区域(26,27)形成该收缩部 )。 根据本发明,形成在掩埋电绝缘区域(26,27)上方的半导体本体的一部分是单晶的。 这使得器件的强大的侧向小型化并且导致晶体管的优异的高频特性。 由于通过根据本发明的制造方法的制造,这种装置(10)是可能的。
    • 4. 发明申请
    • METHOD OF MANUFACTURING A BIPOLAR TRANSISTOR
    • 制造双极晶体管的方法
    • US20100022056A1
    • 2010-01-28
    • US12439363
    • 2007-08-29
    • Johannes J. T. M. DonkersSebastien NuttinckGuillaume L. R. BoccardiFrancois Neuilly
    • Johannes J. T. M. DonkersSebastien NuttinckGuillaume L. R. BoccardiFrancois Neuilly
    • H01L21/331
    • H01L29/7378H01L29/407H01L29/66242
    • The invention provides for an alternative and less complex method of manufacturing a bipolar transistor comprising a field plate (17) in a trench (7) adjacent to a collector region (21), which field plate (17) employs a reduced surface field (Resurf) effect. The Resurf effect reshapes the electric field distribution in the collector region (21) such that for the same collector-base breakdown voltage the doping concentration of the collector region (21) can effectively be increased resulting in a reduced collector resistance and hence an increased bipolar transistor speed. The method comprises a step of forming a base window (6) in a first base layer (4) thereby exposing a top surface of the collector region (21) and a part of an isolation region (3). The trench (7) is formed by removing the exposed part of the isolation region (3), after which isolation layers (9,10) are formed on the surface of the trench (7). A second base layer (13) is formed on the isolation layer (10), thereby forming the field plate (17), on the top surface of the collector region (21), thereby forming a base region (31), and on a sidewall of the first base layer (4), thereby forming an electrical connection between the first base layer (4), the base region (31) and the field plate (17). An emitter region (41) is formed on a top part of the base region (31), thereby forming the Resurf bipolar transistor.
    • 本发明提供了制造双极晶体管的替代和较不复杂的方法,其包括在与集电极区域(21)相邻的沟槽(7)中的场板(17),该场板(17)采用减小的表面场(Resurf )效果。 Resurf效应重塑了集电极区域(21)中的电场分布,使得对于相同的集电极 - 基极击穿电压,可以有效地增加集电极区域(21)的掺杂浓度,从而降低集电极电阻,从而增加双极性 晶体管速度。 该方法包括在第一基层(4)中形成基窗(6)从而暴露集电区(21)的顶表面和隔离区(3)的一部分的步骤。 通过去除隔离区域(3)的露出部分形成沟槽(7),之后隔离层(9,10)形成在沟槽(7)的表面上。 在隔离层(10)上形成第二基层(13),从而在集电区域(21)的顶面上形成场板(17),从而形成基极区域(31) 从而在第一基底层(4),基底区域(31)和场板(17)之间形成电连接。 在基极区域(31)的顶部形成发射极区域(41),从而形成Resurf双极型晶体管。
    • 5. 发明授权
    • Method of manufacturing a bipolar transistor
    • 制造双极晶体管的方法
    • US08026146B2
    • 2011-09-27
    • US12439363
    • 2007-08-29
    • Johannes J. T. M. DonkersSebastien NuttinckGuillaume L. R. BoccardiFrancois Neuilly
    • Johannes J. T. M. DonkersSebastien NuttinckGuillaume L. R. BoccardiFrancois Neuilly
    • H01L21/8222
    • H01L29/7378H01L29/407H01L29/66242
    • The invention provides for an alternative and less complex method of manufacturing a bipolar transistor comprising a field plate (17) in a trench (7) adjacent to a collector region (21), which field plate (17) employs a reduced surface field (Resurf) effect. The Resurf effect reshapes the electric field distribution in the collector region (21) such that for the same collector-base breakdown voltage the doping concentration of the collector region (21) can effectively be increased resulting in a reduced collector resistance and hence an increased bipolar transistor speed. The method comprises a step of forming a base window (6) in a first base layer (4) thereby exposing a top surface of the collector region (21) and a part of an isolation region (3). The trench (7) is formed by removing the exposed part of the isolation region (3), after which isolation layers (9,10) are formed on the surface of the trench (7). A second base layer (13) is formed on the isolation layer (10), thereby forming the field plate (17), on the top surface of the collector region (21), thereby forming a base region (31), and on a sidewall of the first base layer (4), thereby forming an electrical connection between the first base layer (4), the base region (31) and the field plate (17). An emitter region (41) is formed on a top part of the base region (31), thereby forming the Resurf bipolar transistor.
    • 本发明提供了制造双极晶体管的替代和较不复杂的方法,其包括在与集电极区域(21)相邻的沟槽(7)中的场板(17),该场板(17)采用减小的表面场(Resurf )效果。 Resurf效应重塑了集电极区域(21)中的电场分布,使得对于相同的集电极 - 基极击穿电压,可以有效地增加集电极区域(21)的掺杂浓度,从而降低集电极电阻,从而增加双极性 晶体管速度。 该方法包括在第一基层(4)中形成基窗(6)从而暴露集电区(21)的顶表面和隔离区(3)的一部分的步骤。 通过去除隔离区域(3)的露出部分形成沟槽(7),之后隔离层(9,10)形成在沟槽(7)的表面上。 在隔离层(10)上形成第二基层(13),从而在集电区域(21)的顶面上形成场板(17),从而形成基极区域(31) 从而在第一基底层(4),基底区域(31)和场板(17)之间形成电连接。 在基极区域(31)的顶部形成发射极区域(41),从而形成Resurf双极型晶体管。
    • 9. 发明申请
    • Sonos Memory Device With Reduced Short-Channel Effects
    • Sonos内存设备,减少短信道效应
    • US20080272427A1
    • 2008-11-06
    • US12158131
    • 2006-12-18
    • Robertus T.F. Van SchaijkFrancois NeuillyMichiel J. Van Duuren
    • Robertus T.F. Van SchaijkFrancois NeuillyMichiel J. Van Duuren
    • H01L29/792H01L21/336
    • H01L29/42392B82Y10/00G11C16/0466H01L21/28282H01L21/84H01L27/105H01L27/115H01L27/11568H01L27/11573H01L27/1203H01L29/66833H01L29/785H01L29/792H01L29/7923
    • A non-volatile memory device on a semiconductor substrate having a semiconductor surface layer (2) comprises a source region (12,S), a drain region (12,D), a channel region (CO), a memory element (ME), and a gate (G). The channel region (CO) extends in a first direction (X) between the source region (12,S) and the drain region (12,D). The gate (G) is disposed near the channel region (CO) and the memory element (ME) is disposed in between the channel region (CO) and the gate. The channel region is disposed within a beam-shaped semiconductor layer (4), with the beam-shaped semiconductor layer (4a, 4b, 4c, 4d) extending in the first direction (X) between the source (12,S) and drain (12,D) regions and having lateral surfaces (4a, 4b, 4c, 4d) extending parallel to the first direction (X). The memory element comprises a charge-trapping stack (8) which covers of the lateral surfaces at least the lower surface (4c) directed towards the semiconductor surface layer (2) and the side surfaces (4b, 4d) which are directly connecting to the lower surface (4c) so as to embed the beam-shaped semiconductor layer (4) in a U-shaped form of the charge trapping stack (8).
    • 具有半导体表面层(2)的半导体衬底上的非易失性存储器件包括源极区(12,S),漏极区(12),沟道区(CO),存储元件(ME) ,和门(G)。 沟道区域(CO)在源极区域(12)与漏极区域(12)之间的第一方向(X)上延伸。 栅极(G)设置在沟道区域(CO)附近,存储元件(ME)设置在沟道区域(CO)和栅极之间。 所述通道区域设置在波束形半导体层(4)内,所述波束形半导体层(4a,4b,4c,4d)沿着所述源极(12, S)和漏极(12,D)区域并且具有平行于第一方向(X)延伸的侧表面(4a,4b,4c,4c)。 存储元件包括电荷俘获堆叠(8),其至少覆盖指向半导体表面层(2)的下表面(4c)和侧表面(4b,4d)的侧表面,其直接 连接到下表面(4c),以将束形半导体层(4)嵌入U形形式的电荷捕获堆叠(8)中。