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    • 1. 发明申请
    • OPTICAL ASSEMBLY WITH SUPPRESSION OF DEGRADATION
    • 光学组件抑制降解
    • WO2013010806A1
    • 2013-01-24
    • PCT/EP2012/063101
    • 2012-07-05
    • CARL ZEISS SMT GMBHSCHMIDT, Stefan-WolfgangEHM, Dirk HeinrichWALTER, Markus
    • SCHMIDT, Stefan-WolfgangEHM, Dirk HeinrichWALTER, Markus
    • G03F7/20G21K1/06
    • G03F7/70883G03F7/70891G03F7/70916G03F7/70925G03F7/70983
    • The invention relates to an optical assembly, in particular a projection exposure apparatus for EUV lithography, comprising: a beam generating system for generating radiation (6) at an operating wavelength,at least one optical element (13, 14) which is subjected to the radiation (6) and is arranged in a residual gas atmosphere, and a feed device for feeding at least one gaseous constituent into the residual gas atmosphere in order to suppress a degradation of the surface (14a) of the optical element (14) that is induced by the radiation, wherein either a beam diameter (d) of the radiation (6) at the surface of the optical element, in particular at the surfaces of all optical elements of the optical assembly, lies above a threshold value (d c ) so that a suppression of the degradation by the gaseous constituent is effective, or the beam diameter (d) at the surface (14a) of the optical element (14) lies below the threshold value (d c ) so that a reduction of the effectiveness of the suppression of degradation occurs,and at least one further device (25, 27) for the improved suppression of the degradation of the surface (14a) is assigned to the optical element (14).The invention also relates to an associated method for operating an optical assembly.
    • 本发明涉及一种光学组件,特别是用于EUV光刻的投影曝光设备,包括:用于产生工作波长的辐射(6)的光束产生系统,至少一个光学元件(13,14) 辐射(6)并且设置在残留气体气氛中,以及用于将至少一种气态成分供给到残留气体气氛中的进料装置,以便抑制光学元件(14)的表面(14a)的劣化, 其特征在于光学组件的所有光学元件的表面处的辐射(6)的光束直径(d)在光学元件的表面处,特别是在阈值(dc)之上,所以光束直径(d) 抑制气态组分的降解是有效的,或者光学元件(14)的表面(14a)处的光束直径(d)低于阈值(dc),使得降低 suppres 并且至少一个用于改善对表面(14a)的降解的抑制的装置(25,27)被分配给光学元件(14)。本发明还涉及一种用于操作 光学组件。
    • 2. 发明申请
    • RETICLE, RETICLE-CHUCK, RETICLE POSITIONING SYSTEM AND OPTICAL SYSTEM
    • 反馈,伪装,虚拟定位系统和光学系统
    • WO2013174398A1
    • 2013-11-28
    • PCT/EP2012/002159
    • 2012-05-22
    • CARL ZEISS SMT GMBHBECKER, MoritzEHM, Dirk HeinrichSCHMIDT, Stefan-WolfgangBUTSCHER, VeraIHL, Thomas
    • BECKER, MoritzEHM, Dirk HeinrichSCHMIDT, Stefan-WolfgangBUTSCHER, VeraIHL, Thomas
    • G03F7/20
    • G03F7/707G03F1/38
    • A reticle (18) for use in a microlithographic projection exposure apparatus, comprises a reticle body (42) containing a pattern (16) and reticle coupling means (36), by means of which the reticle body (42) can be detachably coupled with a reticle-chuck (30). The reticle coupling means (36) are adapted such that the coupling of the reticle (18) with the reticle-chuck (30) can be effected by magnetic forces. Further, a Reticle-chuck (30) is provided which comprises a support unit (60) and chuck coupling means (38), by means of which a reticle (18) can be detachably coupled with the support unit (60). The chuck coupling means (38) are adapted such that the coupling of the reticle (18) with the support unit (60) can be effected by magnetic forces. Furthermore, a reticle positioning system (28) is described, wherein such a reticle (18) and such a reticle-chuck (30) are coupled to form a chuck-unit (32). Finally, an optical system having an illumination device (12) for illuminating an optical reticle (18) containing a pattern (16) and a projection objective (14) for imaging the reticle pattern (16) is provided with such a reticle positioning system (28).
    • 一种用于微光刻投影曝光设备的掩模版(18),包括一个包含图案(16)和标线片耦合装置(36)的标线本体(42),通过该掩模体(42)可以将标线本体(42)可拆卸地与 标线盘卡盘(30)。 标线片耦合装置(36)适于使得光罩(18)与光罩卡盘(30)的耦合可以通过磁力来实现。 此外,提供了一种标线卡盘(30),其包括支撑单元(60)和卡盘联接装置(38),通过该卡盘联接装置可以将分划板(18)可拆卸地联接到支撑单元(60)。 卡盘联接装置(38)适于使得光罩(18)与支撑单元(60)的联接可以通过磁力来实现。 此外,描述了一个掩模版定位系统(28),其中这种掩模版(18)和这种光罩卡盘(30)联接以形成卡盘单元(32)。 最后,具有用于照射包含图案(16)的光学掩模版(18)的照明装置(12)和用于使掩模图案(16)成像的投影物镜(14)的光学系统设置有这样的掩模版定位系统 28)。
    • 6. 发明申请
    • DETECTION OF CONTAMINATING SUBSTANCES IN AN EUV LITHOGRAPHY APPARATUS
    • 在EUV光刻设备中检测污染物质
    • WO2010022815A1
    • 2010-03-04
    • PCT/EP2009/004811
    • 2009-07-03
    • CARL ZEISS SMT AGKRAUS, DieterEHM, Dirk HeinrichSCHMIDT, Stefan-Wolfgang
    • KRAUS, DieterEHM, Dirk HeinrichSCHMIDT, Stefan-Wolfgang
    • G03F7/20H01J49/00
    • G03F7/70916G03F7/7085G03F7/70983
    • The invention relates to an EUV lithography apparatus (1), comprising: a housing (1a) enclosing an interior (15), at least one reflective optical element (5, 6, 8, 9, 10, 14.1 to 14.6) arranged in the interior (15), a vacuum generating unit (1b) for generating a residual gas atmosphere in the interior (15), and also a residual gas analyzer (18a, 18b) for detecting at least one contaminating substance (17a) in the residual gas atmosphere. The residual gas analyzer (18a) has a storage device (21) for storing the contaminating substance (17a). The invention also relates to a method for detecting at least one contaminating substance by residual gas analysis of a residual gas atmosphere of an EUV lithography apparatus (1) having a housing (1a) having an interior (15), in which at least one reflective optical element (5, 6, 8, 9, 10, 14.1 to 14.6), is arranged, wherein the contaminating substance (17a) is stored in a storage device (21) in order to carry out the residual gas analysis.
    • 本发明涉及一种EUV光刻设备(1),包括:一个封装内部(15)的外壳(1a),至少一个反射光学元件(5,6,8,9,10,14.1至14.6) 内部(15),用于在内部(15)中产生残余气体气氛的真空发生单元(1b),以及用于检测残留气体中的至少一种污染物质(17a)的残留气体分析器(18a,18b) 大气层。 残留气体分析器(18a)具有用于储存污染物质(17a)的储存装置(21)。 本发明还涉及一种用于通过具有具有内部(15)的壳体(1a)的EUV光刻设备(1)的残余气体气体的残余气体分析来检测至少一种污染物质的方法,其中至少一个反射 配置光学元件(5,6,8,9,10,14.1至14.6),其中污染物质(17a)被存储在存储装置(21)中以便进行残留气体分析。
    • 9. 发明申请
    • VERFAHREN ZUR KONTAMINATIONSVERMEIDUNG UND EUV-LITHOGRAPHIEANLAGE
    • 方法预防污染和EUV光刻系统
    • WO2010115526A1
    • 2010-10-14
    • PCT/EP2010/001908
    • 2010-03-26
    • CARL ZEISS SMT AGKRAUS, DieterEHM, Dirk, HeinrichSCHMIDT, Stefan-WolfgangWIESNER, StefanCZAP, AlmutKOEHLER, StefanCHUNG, Hin, Yiu, Anthony
    • KRAUS, DieterEHM, Dirk, HeinrichSCHMIDT, Stefan-WolfgangWIESNER, StefanCZAP, AlmutKOEHLER, StefanCHUNG, Hin, Yiu, Anthony
    • G03F7/20
    • G03F7/70933G03F7/70041G03F7/70916
    • Die Erfindung betrifft ein Verfahren zum Verhindern des Durchtretens von kontaminierenden gasförmigen Stoffen (18) durch eine Öffnung (17b) in einer Einhausung (4a) einer EUV-Lithographieanlage (1), wobei in der Einhausung (4a) mindestens ein optisches Element zur Führung von EUV-Strahlung (6) angeordnet ist, und wobei das Verfahren umfasst: Erzeugen mindestens eines die kontaminierenden Stoffe (18, 18') umlenkenden, insbesondere deren Strömungsrichtung (Z) entgegen gerichteten Gasstroms (21 a, 21 b) im Bereich der Öffnung (17b). Der Gasstrom (21 a, 21 b) und die EUV-Strahlung (6) werden gepulst erzeugt und die Pulsrate des Gasstroms (21 a, 21 b) wird in Abhängigkeit von der Pulsrate der unter Einwirkung der gepulsten EUV-Strahlung (6) freigesetzten kontaminierenden Stoffe (18, 18') festgelegt, wobei beide Pulsraten insbesondere gleich groß sind, und wobei sich im Bereich der Öffnung (17b) die Gaspulse zeitlich mit den Pulsen der kontaminierenden Stoffe (18, 18') überlappen. Die Erfindung betrifft auch eine EUV-Lithographieanlage, an der das Verfahren durchgeführt werden kann.
    • 本发明涉及一种方法,用于通过EUV光刻设备(1),的壳体(图4a),其中,在所述壳体(4a)中的开口(17b)的至少一个光学元件的污染气态物质(18)的通过的防止用于引导 EUV辐射(6)设置,并且其中所述方法包括:生成所述污染物中的至少一个(18,18“)偏转,尤其是其流动方向(Z)相反方向的气体流(21 A,21 b)(在开口的区域中 17B)。 的气体流(21,21 b)和极紫外辐射(6)产生的脉冲和所述气体流的脉冲率(21 A,21 B)是脉冲EUV辐射的作用下释放,脉冲速率的函数(6) 污染物质(18,18“)固定,特别是两个脉冲率相等的尺寸,并且其中在所述开口的区域(17b)的与所述污染物质(18,18的脉冲在时间上的气体脉冲的”重叠)。 本发明还涉及一种EUV光刻设备,其中,可以执行该方法。