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    • 1. 发明授权
    • Semiconductor device and method for manufacturing the same
    • 半导体装置及其制造方法
    • US07592684B2
    • 2009-09-22
    • US11461165
    • 2006-07-31
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • H01L27/12
    • H01L21/823418H01L21/823462
    • A semiconductor device is provided in which high breakdown voltage transistors and low voltage driving transistors are formed on the same substrate. The device includes a semiconductor layer, first element isolation regions for defining a high breakdown voltage transistor forming region in the semiconductor layer, second element isolation regions including trench dielectric layers for defining a low voltage driving transistor forming region in the semiconductor layer, high breakdown voltage transistors formed in the high breakdown voltage transistor forming region, low voltage driving transistors formed in the low voltage driving transistor forming region, and offset dielectric layers for alleviating the electric field of the high breakdown voltage transistors formed in the high breakdown voltage transistor forming region, wherein upper ends of the offset dielectric layers are beak shaped.
    • 提供了一种半导体器件,其中在相同的衬底上形成有高的击穿电压晶体管和低电压驱动晶体管。 所述器件包括半导体层,用于限定半导体层中的高击穿电压晶体管形成区域的第一元件隔离区域,包括用于限定半导体层中的低电压驱动晶体管形成区域的沟槽电介质层的第二元件隔离区域,高击穿电压 形成在高击穿电压晶体管形成区域中的晶体管,形成在低电压驱动晶体管形成区域中的低电压驱动晶体管,以及用于减轻形成在高击穿电压晶体管形成区域中的高击穿电压晶体管的电场的偏移电介质层, 其中偏移电介质层的上端为喙状。
    • 3. 发明授权
    • Method for manufacturing semiconductor devices
    • 制造半导体器件的方法
    • US07163855B2
    • 2007-01-16
    • US10902699
    • 2004-07-29
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • H01L21/336H01L21/8238H01L21/8234
    • H01L21/823892H01L21/823814H01L21/823857H01L27/0922H01L27/0928
    • A semiconductor device manufacturing method is provided including: forming a first impurity layer that becomes first wells in a high breakdown voltage transistor forming region in a semiconductor layer; forming a second impurity layer that becomes offset regions in the high breakdown voltage transistor forming region; forming the first wells and the offset regions by diffusing impurities of the first and second impurity layers by heat treating the semiconductor layer; forming element isolation regions by a trench element isolation method in the semiconductor layer, after forming the first wells and the offset regions; forming first gate dielectric layers in the high breakdown voltage transistor forming region; forming second wells in a low voltage driving transistor forming region in the semiconductor layer; forming second gate dielectric layers in the low voltage driving transistor forming region; and forming gate electrodes in the high breakdown voltage transistor forming region and the low voltage driving transistor forming region.
    • 提供一种半导体器件制造方法,包括:在半导体层中形成在高击穿电压晶体管形成区域中成为第一阱的第一杂质层; 形成成为所述高击穿电压晶体管形成区域的偏移区域的第二杂质层; 通过热处理所述半导体层来扩散所述第一和第二杂质层的杂质来形成所述第一阱和所述偏移区域; 在形成第一阱和偏移区之后,通过沟槽元件隔离方法在半导体层中形成元件隔离区; 在高击穿电压晶体管形成区域中形成第一栅极电介质层; 在半导体层中的低电压驱动晶体管形成区域中形成第二阱; 在所述低电压驱动晶体管形成区域中形成第二栅极电介质层; 以及在高击穿电压晶体管形成区域和低电压驱动晶体管形成区域中形成栅电极。
    • 5. 发明申请
    • Method for manufacturing semiconductor devices
    • 制造半导体器件的方法
    • US20050059196A1
    • 2005-03-17
    • US10902699
    • 2004-07-29
    • Takafumi NodaMasahiro HayashiAkihiko-EbinaMasahiko Tsuyuki
    • Takafumi NodaMasahiro HayashiAkihiko-EbinaMasahiko Tsuyuki
    • H01L21/76H01L21/336H01L21/8234H01L21/8238H01L27/08H01L27/088H01L27/092
    • H01L21/823892H01L21/823814H01L21/823857H01L27/0922H01L27/0928
    • A semiconductor device manufacturing method is provided including: forming a first impurity layer that becomes first wells in a high breakdown voltage transistor forming region in a semiconductor layer; forming a second impurity layer that becomes offset regions in the high breakdown voltage transistor forming region; forming the first wells and the offset regions by diffusing impurities of the first and second impurity layers by heat treating the semiconductor layer; forming element isolation regions by a trench element isolation method in the semiconductor layer, after forming the first wells and the offset regions; forming first gate dielectric layers in the high breakdown voltage transistor forming region; forming second wells in a low voltage driving transistor forming region in the semiconductor layer; forming second gate dielectric layers in the low voltage driving transistor forming region; and forming gate electrodes in the high breakdown voltage transistor forming region and the low voltage driving transistor forming region.
    • 提供一种半导体器件制造方法,包括:在半导体层中形成在高击穿电压晶体管形成区域中成为第一阱的第一杂质层; 形成成为所述高击穿电压晶体管形成区域的偏移区域的第二杂质层; 通过热处理所述半导体层来扩散所述第一和第二杂质层的杂质来形成所述第一阱和所述偏移区域; 在形成第一阱和偏移区之后,通过沟槽元件隔离方法在半导体层中形成元件隔离区; 在高击穿电压晶体管形成区域中形成第一栅极电介质层; 在半导体层中的低电压驱动晶体管形成区域中形成第二阱; 在所述低电压驱动晶体管形成区域中形成第二栅极电介质层; 以及在高击穿电压晶体管形成区域和低电压驱动晶体管形成区域中形成栅电极。
    • 6. 发明申请
    • Semiconductor device and method for manufacturing the same
    • 半导体装置及其制造方法
    • US20050029616A1
    • 2005-02-10
    • US10890403
    • 2004-07-13
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • Takafumi NodaMasahiro HayashiAkihiko EbinaMasahiko Tsuyuki
    • H01L21/8234H01L27/088H01L29/78H01L21/336H01L29/00
    • H01L21/823418H01L21/823462
    • A semiconductor device is provided in which high breakdown voltage transistors and low voltage driving transistors are formed on the same substrate. The device includes a semiconductor layer, first element isolation regions for defining a high breakdown voltage transistor forming region in the semiconductor layer, second element isolation regions including trench dielectric layers for defining a low voltage driving transistor forming region in the semiconductor layer, high breakdown voltage transistors formed in the high breakdown voltage transistor forming region, low voltage driving transistors formed in the low voltage driving transistor forming region, and offset dielectric layers for alleviating the electric field of the high breakdown voltage transistors formed in the high breakdown voltage transistor forming region, wherein upper ends of the offset dielectric layers are beak shaped.
    • 提供了一种半导体器件,其中在相同的衬底上形成有高的击穿电压晶体管和低电压驱动晶体管。 所述器件包括半导体层,用于限定半导体层中的高击穿电压晶体管形成区域的第一元件隔离区域,包括用于限定半导体层中的低电压驱动晶体管形成区域的沟槽电介质层的第二元件隔离区域,高击穿电压 形成在高击穿电压晶体管形成区域中的晶体管,形成在低电压驱动晶体管形成区域中的低电压驱动晶体管,以及用于减轻形成在高击穿电压晶体管形成区域中的高击穿电压晶体管的电场的偏移电介质层, 其中偏移电介质层的上端为喙状。
    • 8. 发明授权
    • Semiconductor device and manufacturing method thereof
    • 半导体装置及其制造方法
    • US07507622B2
    • 2009-03-24
    • US11294801
    • 2005-12-06
    • Takafumi NodaMasahiro Hayashi
    • Takafumi NodaMasahiro Hayashi
    • H01L21/8242
    • H01L29/0619H01L29/0653H01L29/0692H01L29/7833
    • A semiconductor device includes a semiconductor layer, an insulated-gate field effect transistor provided in the semiconductor layer, an etching stopper film provided above the insulated-gate field effect transistor, and an interlayer insulating layer provided above the etching stopper film; the insulated-gate field effect transistor including a gate insulating layer provided on the semiconductor layer, a gate electrode provided on the gate insulating layer, and an impurity region that constitutes a source region or a drain region provided in the semiconductor layer; wherein a removed region made by removing the etching stopper film is provided in at least part of an area that is located outside the gate insulating layer and above an area at a position other than a position sandwiched by the gate insulating layer and the impurity region.
    • 半导体器件包括半导体层,设置在半导体层中的绝缘栅场效应晶体管,设置在绝缘栅场效应晶体管上方的蚀刻阻挡膜,以及设置在蚀刻阻挡膜上方的层间绝缘层; 所述绝缘栅场效应晶体管包括设置在所述半导体层上的栅极绝缘层,设置在所述栅极绝缘层上的栅极电极和构成设置在所述半导体层中的源极区域或漏极区域的杂质区域; 其中,通过去除蚀刻阻挡膜而形成的去除区域设置在位于栅极绝缘层外部的区域的至少一部分上方,并且位于除了被栅极绝缘层和杂质区域夹持的位置以外的位置的区域的上方。