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    • 2. 发明申请
    • PROJECTION OBJECTIVE OF A MICROLITHOGRAPHIC EXPOSURE APPARATUS
    • 微观曝光装置的投影目标
    • WO2012059537A1
    • 2012-05-10
    • PCT/EP2011/069308
    • 2011-11-03
    • CARL ZEISS SMT GMBHENKISCH, HartmutMUELLENDER, StephanMANN, Hans-JuergenFREIMANN, Rolf
    • ENKISCH, HartmutMUELLENDER, StephanMANN, Hans-JuergenFREIMANN, Rolf
    • G03F7/20
    • G03F7/702G02B7/198G03F7/70233G03F7/70308
    • The invention concerns a projection objective of a microlithographic projection exposure apparatus designed for EUV, for imaging an object plane illuminated in operation of the projection exposure apparatus into an image plane, wherein the projection objective has at least one mirror segment arrangement (160, 260, 280, 310, 410, 500) comprising a plurality of separate mirror segments (161 -163; 261-266, 281 -284; 31 1, 312; 41 1, 412; 510-540); and wherein associated with the mirror segments of the same mirror segment arrangement are partial beam paths which are different from each other and which respectively provide for imaging of the object plane (OP) into the image plane (IP), wherein said partial beam paths are superposed in the image plane (IP) and wherein at least two partial beams which are superposed in the same point in the image plane (IP) were reflected by different mirror segments of the same mirror segment arrangement.
    • 本发明涉及一种用于EUV设计的微光刻投影曝光装置的投影目标,用于将在投影曝光装置的操作中照亮的物体成像成像面,其中投影物镜具有至少一个镜片段布置(160,260, 包括多个分离的镜片段(161-163; 261-266,281-284; 31 1,312; 41 1,412; 510-540); 并且其中与相同镜片段布置的镜片段相关联的部分光束路径彼此不同并且分别提供用于将物平面(OP)成像到图像平面(IP)中的部分光束路径,其中所述部分光束路径为 叠加在图像平面(IP)中,并且其中叠加在图像平面(IP)中的相同点上的至少两个部分光束被相同镜像段布置的不同镜像段反射。
    • 3. 发明申请
    • METHOD FOR PRODUCING A MULTILAYER COATING, OPTICAL ELEMENT AND OPTICAL ARRANGEMENT
    • 生产多层涂层,光学元件和光学布置的方法
    • WO2009149802A1
    • 2009-12-17
    • PCT/EP2009/003421
    • 2009-05-14
    • CARL ZEISS SMT AGENKISCH, HartmutMUELLENDER, StephanENDRES, Martin
    • ENKISCH, HartmutMUELLENDER, StephanENDRES, Martin
    • G03F7/20G02B5/08G21K1/06
    • G21K1/062B82Y10/00G02B5/0891G03F7/70958
    • The invention relates to a method for producing a multilayer coating (17) for reflecting radiation in the soft X-ray or EUV wavelength range on an optical element (8, 9) which is operated at an operating temperature (T op ) of 30° or more, preferably of 100°C or more, particularly preferably of 15O°C or more, in particular of 250°C or more, comprising the following steps : determining an optical design for the multilayer coating (17) which defines an optical desired layer thickness (n op d op ) of the layers (17.1, 17.2) of the multilayer coating (17) at the operating temperature (T op ), and applying the layers (17.1, 17.2) of the multilayer coating (17) with an optical actual layer thickness (n B d B ) chosen in such a way that a layer thickness change (n op d op - n B d B ) caused by thermal expansion of the layers (17.1, 17.2) between the coating temperature (T B ) and the operating temperature (T op ) is compensated for. The invention also relates to an optical element (8, 9), produced in particular according to the method described above, and a projection exposure apparatus comprising at least one optical element (8, 9) of this type.
    • 本发明涉及一种制造用于在软X射线或EUV波长范围内反射在30度工作温度(Top)为30度的光学元件(8,9)上反射辐射的多层涂层(17)的方法,或 更优选为100℃以上,特别优选为150℃以上,特别优选为250℃以上,包括以下步骤:确定限定光学期望层的多层涂层(17)的光学设计 在工作温度(Top)下,多层涂层(17)的层(17.1,17.2)的厚度(nop dop)和多层涂层(17)的层(17.1,17.2)的光学实际层厚度 (nB dB),使得由涂层温度(TB)和工作温度(Top)之间的层(17.1,17.2)的热膨胀引起的层厚度变化(nop dop-nB dB)被补偿为 。 本发明还涉及特别根据上述方法制造的光学元件(8,9)和包括这种类型的至少一个光学元件(8,9)的投影曝光设备。
    • 4. 发明申请
    • MIRROR FOR USE IN A MICROLITHOGRAPHY PROJECTION EXPOSURE APPARATUS
    • 用于微观投影曝光装置的镜子
    • WO2011032813A1
    • 2011-03-24
    • PCT/EP2010/062426
    • 2010-08-26
    • CARL ZEISS SMT GMBHROCKTAESCHEL, MartinENKISCH, HartmutSTICKEL, Franz-JosefNATT, OliverMANN, Hans-JürgenMIGURA, Sascha
    • ROCKTAESCHEL, MartinENKISCH, HartmutSTICKEL, Franz-JosefNATT, OliverMANN, Hans-JürgenMIGURA, Sascha
    • G02B5/08
    • G03F7/70958G02B5/0833G03F7/70191G03F7/70308G03F7/70316
    • The invention relates to a mirror for use in a microlithography projection exposure apparatus, comprising a substrate and a reflective coating, wherein the reflective coating itself in turn comprises a first group of layers and a second group of layers. In this case, the second group of layers is arranged between the substrate and the first group of layers. Furthermore, both the first group of layers and the second group of layers comprise a plurality of alternating first and second layers arranged one above another, wherein the first layers comprise a first material, the refractive index of which for radiation having a wavelength in the range of 5-30 nm is greater than the refractive index of a second material, which the second layers comprise. In this case, the first group of layers is configured in such a way that it comprises a number of layers that is greater than 20, such that, upon irradiation with radiation having a wavelength in the range of 5-30 nm, less than 20% of the radiation reaches the second group of layers, and wherein the second group of layers has a layer thickness variation for the correction of the surface form of the mirror. What is thereby achieved is that the second group of layers, which has a layer thickness variation for the correction of the surface form of the mirror, does not significantly affect the reflectivity properties of the mirror.
    • 本发明涉及一种用于微光刻投影曝光设备的反射镜,其包括基底和反射涂层,其中反射涂层本身又包括第一组层和第二组层。 在这种情况下,第二组层布置在衬底和第一组层之间。 此外,第一组层和第二组层都包括多个彼此排列的交替的第一和第二层,其中第一层包括第一材料,其第一材料的折射率用于具有在该范围内的波长的辐射 5-30nm的厚度大于第二层包含的第二材料的折射率。 在这种情况下,第一组层被配置成使得其包括大于20的多个层,使得当辐射具有5-30nm的波长的辐射时,小于20 辐射的百分比达到第二组层,并且其中第二组层具有用于校正反射镜的表面形式的层厚度变化。 由此实现的是,具有用于校正反射镜的表面形式的层厚度变化的第二组层不会显着影响反射镜的反射性质。
    • 9. 发明申请
    • OPTICAL SYSTEM, IN PARTICULAR FOR A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 光学系统,特别是用于微型投影曝光设备
    • WO2018007081A1
    • 2018-01-11
    • PCT/EP2017/063715
    • 2017-06-06
    • CARL ZEISS SMT GMBHENKISCH, HartmutSCHICKETANZ, ThomasKALISKY, MatusDIER, Oliver
    • ENKISCH, HartmutSCHICKETANZ, ThomasKALISKY, MatusDIER, Oliver
    • G03F7/20G21K1/06
    • The invention relates to an optical system, in particular for a microlithographic projection exposure apparatus, with at least one mirror (200) which has an optically effective surface and, for electromagnetic radiation of a predefined operating wavelength impinging on the optically effective surface at an angle of incidence of at least 65° relative to the respective surface normal, has a reflectivity of at least 0.5, wherein the mirror has a reflection layer (210) and a compensation layer (220) which is arranged above this reflection layer (210) in the direction of the optically effective surface, wherein the compensation layer (220), for an intensity distribution generated in a pupil plane or a field plane of the optical system during operation thereof, reduces the difference between the maximum and the minimum intensity value by at least 20% compared to an analogous structure without the compensation layer (220).
    • 本发明涉及一种光学系统,特别是用于微光刻投影曝光装置的光学系统,其具有至少一个反射镜(200),该反射镜具有光学有效表面,并且对于预定工作波长入射的电磁辐射 以至少65°的入射角在光学有效表面上; 相对于相应的表面法线具有至少0.5的反射率,其中该反射镜具有反射层(210)和补偿层(220),该补偿层布置在该反射层(210)上方的光学有效表面 ,其中对于在其操作期间在光学系统的光瞳平面或场平面中产生的强度分布,补偿层(220)将最大强度值与最小强度值之间的差减小至少20%,与类似 结构没有补偿层(220)。
    • 10. 发明申请
    • VERFAHREN ZUM HERSTELLEN EINES SPIEGELELEMENTS
    • 一种用于生产的镜元件
    • WO2015114043A1
    • 2015-08-06
    • PCT/EP2015/051791
    • 2015-01-29
    • CARL ZEISS SMT GMBHENKISCH, HartmutHUBER, PeterSTROBEL, Sebastian
    • ENKISCH, HartmutHUBER, PeterSTROBEL, Sebastian
    • G02B5/08G02B5/09G21K1/06
    • G03F7/702G02B5/0816G02B5/0891G02B5/09G02B26/0833G21K1/062G21K2201/064
    • Die Erfindung betrifft ein Verfahren zum Herstellen eines Spiegelelements, insbesondere für eine mikrolithographische Projektionsbelichtungsanlage. Ein erfindungsgemäßes Verfahren weist folgende Schritte auf: Bereitstellen eines Substrats (101, 102, 103, 104, 201, 202, 301, 302, 401, 402, 501, 502, 801, 901, 951, 961) und Ausbilden eines Schichtstapels (111, 112, 113, 114, 211, 212, 311, 312, 411, 412, 511, 512) auf dem Substrat, wobei das Ausbilden des Schichtstapels derart erfolgt, dass eine für eine vorgegebene Betriebstemperatur gewünschte Soll-Krümmung des Spiegelelements durch eine von dem Schichtstapel ausgeübte Biegekraft erzeugt wird, wobei das Substrat vor dem Ausbilden des Schichtstapels eine von dieser Soll-Krümmung des Spiegelelements abweichende Krümmung besitzt, und wobei die von dem Schichtstapel ausgeübte Biegekraft zumindest teilweise dadurch erzeugt wird, dass eine Nachbehandlung zur Veränderung der Schichtspannung des Schichtstapels durchgeführt wird.
    • 本发明涉及一种制造反射镜元件,特别是用于微光刻投射曝光设备的方法。 本发明的方法包括以下步骤:提供衬底(101,102,103,104,201,202,301,302,401,402,501,502,801,901,951,961)以及形成的层堆叠(111 ,112,113,114,211,212,311,312,411,412,511,512)的衬底,层堆叠,其中形成上执行,使得通过一个期望的反射镜元件的一个预定的工作温度所需的曲率 弯曲所施加的层堆叠上的力被形成,其中所述层堆叠的成形前基板,所述具有从曲率反射镜元件的期望的曲率偏离,并且其中由所述层堆叠施加的弯曲力是通过具有用于改变所述层堆叠的膜应力的后处理至少部分地形成 执行。