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    • 2. 发明授权
    • Focused ion beam deposition using TMCTS
    • 使用TMCTS聚焦离子束沉积
    • US5639699A
    • 1997-06-17
    • US420153
    • 1995-04-11
    • Hiroko NakamuraHaruki KomanoKazuyoshi SugiharaKeiji HoriokaMitsuyo KariyaSoichi InoueIchiro MoriKatsuya OkumuraTadahiro TakigawaToru WatanabeMotosuke MiyoshiYuichiro YamazakiHaruo Okano
    • Hiroko NakamuraHaruki KomanoKazuyoshi SugiharaKeiji HoriokaMitsuyo KariyaSoichi InoueIchiro MoriKatsuya OkumuraTadahiro TakigawaToru WatanabeMotosuke MiyoshiYuichiro YamazakiHaruo Okano
    • B05D5/00C23C16/04G03F1/00G03F1/26G03F1/74H01L21/316
    • G03F1/74B05D5/005C23C16/047G03F1/26
    • According to this invention, there is provided a method of repairing a bump defect of a structure obtained by forming a predetermined pattern on a substrate, having the steps of forming a first thin film consisting of a material different from that of the substrate on the substrate around the bump defect or close to the bump defect, forming a second thin film on the bump defect and the first thin film to flatten an upper surface of the second thin film, performing simultaneous removal of the bump defect and the thin films on an upper portion of the projecting defect and around the bump defect using a charged particle beam, and performing removal of the thin films left in the step of performing simultaneous removal. According to this invention, there is provided to a method of repairing a divot defect of a structure obtained by forming a predetermined pattern on a substrate, having the steps of burying a material in the divot defect and forming a projecting portion projecting from a substrate surface, covering a region including the projecting portion with flattening films consisting of a material different from that of the substrate to flatten an upper surface of the region, performing simultaneous removal of the projecting portion and the flattening films around the projecting portion using a charged particle beam, and performing removal of the flattening films left in the step of performing simultaneous removal.
    • 根据本发明,提供了一种修复通过在基板上形成预定图案而获得的结构的凸点缺陷的方法,该方法具有以下步骤:在基板上形成由不同于基板的材料构成的第一薄膜 在凸起缺陷附近或接近凸块缺陷的情况下,在凸起缺陷上形成第二薄膜和使第一薄膜平坦化第二薄膜的上表面,同时去除凸起缺陷和上部的薄膜 使用带电粒子束的突出缺陷的一部分和凸起缺陷周围,并且执行在执行同时移除的步骤中留下的薄膜的去除。 根据本发明,提供了一种修复通过在基板上形成预定图案而获得的结构的凹陷缺陷的方法,该方法具有以下步骤:将材料埋在凹陷缺陷中并形成从基板表面突出的突出部分 使用由与基板不同的材料构成的平坦化膜覆盖包括突出部分的区域,以平坦化该区域的上表面,使用带电粒子束同时移除突出部分周围的突出部分和平坦化膜 并且执行在执行同时去除的步骤中留下的平坦化膜的去除。
    • 5. 发明授权
    • Electron beam lithography system and pattern writing method
    • 电子束光刻系统和图案写入方法
    • US06525328B1
    • 2003-02-25
    • US09624355
    • 2000-07-24
    • Motosuke MiyoshiYuichiro YamazakiKatsuya Okumura
    • Motosuke MiyoshiYuichiro YamazakiKatsuya Okumura
    • H01J3730
    • B82Y10/00B82Y40/00H01J37/3174
    • An electron beam lithography system 10 comprises an electron gun including a rectangular cathode 1 having an emission surface having an aspect ratio of other than 1, an illumination optical system 3 of an asymmetric lens system including multipole lenses Qa1 and Qa2, a CP aperture 5, and a projection optical system 8 of a symmetric lens system including multipole lenses Qb1 through Qb4. This electron beam lithography system 10 is used for emitting an electron beam at a low acceleration of 5 kV or less from the rectangular cathode 1, for controlling the illumination optical system so as to form an image of a desired character of the CP aperture 5 on an isotropic plane of incidence at different demagnifications in minor-axis and major-axis directions in accordance with the aspect ratio of the rectangular cathode 1, and for controlling the projection optical system 8 so that the electron beam leaving the CP aperture 5 as an aperture image is incident on a substrate 21 at the same demagnification in the minor-axis and major-axis directions and at different incident angles in the minor-axis and major-axis directions while passing through the trajectory without establishing any crossovers.
    • 电子束光刻系统10包括电子枪,其包括具有不同于1的纵横比的发射表面的矩形阴极1,包括多极透镜Qa1和Qa2的非对称透镜系统的照明光学系统3,CP孔5, 以及包括多极透镜Qb1至Qb4的对称透镜系统的投影光学系统8。 该电子束光刻系统10用于从矩形阴极1以5kV以下的低加速度发射电子束,用于控制照明光学系统,以便形成CP孔5的所需字符的图像 根据矩形阴极1的纵横比在短轴和长轴方向上的不同缩小的各向同性平面,并且用于控制投影光学系统8,使得离开CP孔5的电子束作为孔 图像在短轴和长轴方向上以相同的缩小入射在基板21上,并且在短轴和长轴方向上以不同的入射角同时穿过轨迹而不建立任何交叉。
    • 7. 发明授权
    • Magnetic field immersion type electron gun
    • 磁场浸入式电子枪
    • US5548183A
    • 1996-08-20
    • US364747
    • 1994-12-27
    • Motosuke MiyoshiKatsuya OkumuraYuichiro Yamazaki
    • Motosuke MiyoshiKatsuya OkumuraYuichiro Yamazaki
    • H01J37/143H01J37/06H01J37/065H01J37/073H01J37/18H01J41/12H01J41/18H01J3/20
    • H01J37/065H01J37/18H01J41/18
    • In a magnetic field immersion type electron gun for controlling an electron beam emitted by an electron gun (51) with the use of an electric lens (56) and a magnetic field lens formed by permanent magnets (57, 58) of a coaxial ion pump (53), the ion pump magnets are a pair of cylindrical permanent magnets (57, 58) disposed coaxially with an optical axis (52) of the electron gun (51) in such a way as to sandwich a cylindrical ion pump anode (61) of the coaxial ion pump; the two permanent magnets are magnetized in a mutually opposing direction; a hollow cylindrical yoke (60) is disposed also coaxially with the optical axis (52) in such a way as to enclose the two permanent magnets (57, 58) within a hollow portion thereof; and the yoke (60) is formed with an annular yoke gap (63) in a radially inner circumferential surface of the yoke (60) to leak out a magnetic flux flowing through the yoke toward the optical axis. In the above-mentioned construction, the magnetic field lens can be formed efficiently with the use of the magnetic field generated by the permanent magnets for constituting the coaxial ion pump, and further the formed magnetic field lens can be superimposed upon the electron gun. Therefore, an electric field immersion type electron gun of high performance can be obtained, and further the electron gun chamber can be efficiently evacuated in the vicinity of the cathode tip of the electron gun.
    • 在使用电镜(56)和同轴离子泵的永磁体(57,58)形成的磁场透镜的电磁枪(51)发射的电子束的磁场浸渍型电子枪中, (53)中,离子泵磁体是与电子枪(51)的光轴(52)同轴配置的一对筒状的永久磁铁(57,58),夹着圆筒状离子泵阳极 )的同轴离子泵; 两个永磁体在相互相反的方向被磁化; 中空圆柱形磁轭(60)还与光轴(52)同轴设置,以便将两个永磁体(57,58)包围在其中空部分内; 并且轭(60)在轭(60)的径向内周面上形成有环形磁轭间隙(63),以使流过磁轭的磁通向光轴泄漏。 在上述结构中,可以通过使用由用于构成同轴离子泵的永久磁铁产生的磁场来有效地形成磁场透镜,并且还可以将形成的磁场透镜叠加在电子枪上。 因此,可以获得高性能的电场浸没型电子枪,并且可以在电子枪的阴极尖端附近有效地排出电子枪室。