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    • 32. 发明授权
    • Tunable gate linewidth reduction process
    • 可调节门极线减少过程
    • US06362111B1
    • 2002-03-26
    • US09382519
    • 1999-08-25
    • Reima LaaksonenRobert KraftJames B. Friedmann
    • Reima LaaksonenRobert KraftJames B. Friedmann
    • H01L21302
    • H01L21/28123H01L21/31116H01L21/31138H01L21/32137H01L21/32139
    • A process for forming a polysilicon line having linewidths below 0.23 &mgr;m. The layer of polysilicon (20) is deposited over a semiconductor body (10). A layer of bottom anti-reflective coating (BARC) (30) is deposited over the polysilicon layer (20). A resist pattern (40) is formed over the BARC layer (30) using conventional lithography (e.g., deep UV lithography). The BARC layer (30) is etched with an etch chemistry of HBr/O2 using the resist pattern (40) until the endpoint is detected. The BARC layer (30) and resist pattern (40) are then overetched using the same etch chemistry having a selectivity of approximately one-to-one between the BARC and resist. The overetch is a timed etch to control the linewidth reduction in the resist/BARC pattern. The minimum dimension of the pattern (50) is reduced to below the practical resolution limit of the lithography tool. Finally, the polysilicon layer (20) is etched using the reduced width pattern (50).
    • 一种形成线宽低于0.23μm的多晶硅线的工艺。 多晶硅层(20)沉积在半导体本体(10)上。 一层底部抗反射涂层(BARC)(30)沉积在多晶硅层(20)上。 使用常规光刻(例如,深UV光刻)在BARC层(30)上形成抗蚀剂图案(40)。 使用抗蚀剂图案(40)用HBr / O 2的蚀刻化学品蚀刻BARC层(30),直到检测到端点。 然后使用在BARC和抗蚀剂之间具有大约一对一的选择性的相同蚀刻化学品来对BARC层(30)和抗蚀剂图案(40)进行过蚀刻。 过蚀刻是控制抗蚀剂/ BARC图案中线宽降低的定时蚀刻。 图案(50)的最小尺寸减小到低于光刻工具的实际分辨率极限。 最后,使用减小的宽度图案(50)蚀刻多晶硅层(20)。
    • 35. 发明授权
    • Smartcard interconnect
    • 智能卡互连
    • US08348171B2
    • 2013-01-08
    • US13030993
    • 2011-02-18
    • Paul AmadeoJose FloresRobert Kraft
    • Paul AmadeoJose FloresRobert Kraft
    • G06K19/06
    • G06K19/07749G06K19/07752G06K19/07779G06K19/07781Y10T29/49162
    • A smart card inlay and method for assembling the same are provided. The method includes attaching a first trace to a substrate, attaching a second trace to the substrate, attaching an antenna wire to the substrate, coupling a first end of the antenna wire to a first area of the first trace, and coupling a second end of the antenna wire to a first area of the second trace. A second area of the first trace and a second area of the second trace are configured to be coupled to an integrated circuit (IC) or IC module, and the first area of the first trace is located away from the second area of the first trace and the first area of the second trace is located away from the second area of the second trace.
    • 提供了一种用于组装智能卡嵌体和方法。 该方法包括将第一迹线附接到衬底,将第二迹线附接到衬底,将天线连接到衬底,将天线线的第一端耦合到第一迹线的第一区域,以及将第 天线连接到第二迹线的第一区域。 第一迹线的第二区域和第二迹线的第二区域被配置为耦合到集成电路(IC)或IC模块,并且第一迹线的第一区域位于远离第一迹线的第二区域 并且第二迹线的第一区域位于远离第二迹线的第二区域的位置。
    • 38. 发明授权
    • Method for patterning sub-lithographic features in semiconductor manufacturing
    • 在半导体制造中图案化亚光刻特征的方法
    • US07300883B2
    • 2007-11-27
    • US10930228
    • 2004-08-31
    • Francis G. CeliiBrian A. SmithJames BlatchfordRobert Kraft
    • Francis G. CeliiBrian A. SmithJames BlatchfordRobert Kraft
    • H01L21/336H01L21/302H01L21/461H01L21/31H01L21/469
    • H01L21/28123H01L21/0337H01L21/0338H01L21/32139
    • A method of forming a gate electrode (24′) for a metal-oxide-semiconductor (MOS) integrated circuit is disclosed. A hardmask layer (26), for example formed of silicon-rich nitride, is deposited over a polysilicon layer (24) from which the gate electrode (24′) is to be formed. An anti-reflective coating, or bottom anti-reflective coating or BARC, layer (29) is then formed over the hardmask layer (26), and photoresist (30) is photolithographically patterned to define the pattern of the gate electrode (24′), although to a wider, photolithographic, width (LW). The pattern is transferred from the photoresist (30) to the BARC layer (29). The remaining elements of the BARC layer (29) are then trimmed, preferably by a timed isotropic etch, to a sub-lithographic width (SW). This pattern is then transferred to the hardmask layer (26) by an anisotropic etch of that layer, using the trimmed BARC elements (29) as a mask. The hardmask layer elements (26′) then mask the etch of the underlying polysilicon layer (24), to define the gate electrodes (24′), having gate widths that are narrower than the minimum dimension available through photolithography.
    • 公开了一种形成用于金属氧化物半导体(MOS)集成电路的栅电极(24')的方法。 例如由富含硅的氮化物形成的硬掩模层(26)沉积在要形成栅电极(24')的多晶硅层(24)上。 然后在硬掩模层(26)上形成抗反射涂层或底部抗反射涂层或BARC层(29),光刻图案化光致抗蚀剂(30)以限定栅电极(24')的图案, ,尽管对于更宽的光刻宽度(LW)。 图案从光致抗蚀剂(30)转移到BARC层(29)。 然后将BARC层(29)的其余元件优选地通过定时各向同性蚀刻修整到亚光刻宽度(SW)。 然后通过该层的各向异性蚀刻,使用修剪的BARC元件(29)作为掩模将该图案转移到硬掩模层(26)。 硬掩模层元件(26')然后掩蔽下面的多晶硅层(24)的蚀刻,以限定栅电极(24'),栅极宽度比通过光刻可用的最小尺寸窄。
    • 39. 发明申请
    • Method for patterning sub-lithographic features in semiconductor manufacturing
    • 在半导体制造中图案化亚光刻特征的方法
    • US20060046498A1
    • 2006-03-02
    • US10930228
    • 2004-08-31
    • Francis CeliiBrian SmithJames BlatchfordRobert Kraft
    • Francis CeliiBrian SmithJames BlatchfordRobert Kraft
    • H01L21/00
    • H01L21/28123H01L21/0337H01L21/0338H01L21/32139
    • A method of forming a gate electrode (24′) for a metal-oxide-semiconductor (MOS) integrated circuit is disclosed. A hardmask layer (26), for example formed of silicon-rich nitride, is deposited over a polysilicon layer (24) from which the gate electrode (24′) is to be formed. An anti-reflective coating, or bottom anti-reflective coating or BARC, layer (29) is then formed over the hardmask layer (26), and photoresist (30) is photolithographically patterned to define the pattern of the gate electrode (24′), although to a wider, photolithographic, width (LW). The pattern is transferred from the photoresist (30) to the BARC layer (29). The remaining elements of the BARC layer (29) are then trimmed, preferably by a timed isotropic etch, to a sub-lithographic width (SW). This pattern is then transferred to the hardmask layer (26) by an anisotropic etch of that layer, using the trimmed BARC elements (29) as a mask. The hardmask layer elements (26′) then mask the etch of the underlying polysilicon layer (24), to define the gate electrodes (24′), having gate widths that are narrower than the minimum dimension available through photolithography.
    • 公开了一种形成用于金属氧化物半导体(MOS)集成电路的栅电极(24')的方法。 例如由富含硅的氮化物形成的硬掩模层(26)沉积在要形成栅电极(24')的多晶硅层(24)上。 然后在硬掩模层(26)上形成抗反射涂层或底部抗反射涂层或BARC层(29),光刻图案化光致抗蚀剂(30)以限定栅电极(24')的图案, ,尽管对于更宽的光刻宽度(LW)。 图案从光致抗蚀剂(30)转移到BARC层(29)。 然后将BARC层(29)的其余元件优选地通过定时各向同性蚀刻修整到亚光刻宽度(SW)。 然后通过该层的各向异性蚀刻,使用修剪的BARC元件(29)作为掩模将该图案转移到硬掩模层(26)。 硬掩模层元件(26')然后掩蔽下面的多晶硅层(24)的蚀刻,以限定栅电极(24'),栅极宽度比通过光刻可用的最小尺寸窄。