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    • 2. 发明申请
    • Exposure mask and method of forming pattern
    • 曝光掩模和形成图案的方法
    • US20080176150A1
    • 2008-07-24
    • US12009309
    • 2008-01-17
    • Masayoshi Saito
    • Masayoshi Saito
    • G03F1/00G03F7/26
    • G03F1/32G03F1/26
    • A method of forming a pattern according to the present invention comprising preparing a reduced projection exposure apparatus having a reduced projection ratio 1/m and a wavelength λ (nm) of exposing light and patterning a light shielding element pattern of a reticle mask on a resist film having a thickness tr (nm). The light shielding element pattern has a pattern opening portion having a minimum opening dimension D (nm). A thickness t0 of the light shielding element pattern is set so as to meet a relational equation of m*tr≦t0+5*D*D/λ. Preferably, the thickness t0 of the light shielding element pattern is set so as to meet a relational equation of m*tr≦t0+D*D/λ.
    • 根据本发明的形成图案的方法包括制备具有减小的投射比1 / m和曝光光的波长λ(nm)并且将掩模版掩模的遮光元件图案图案化在抗蚀剂上的减少投影曝光装置 膜具有厚度tr(nm)。 遮光元件图案具有具有最小开口尺寸D(nm)的图案开口部分。 遮光元件图案的厚度t0被设定为满足m * tr <= t0 + 5 * D * D /λ的关系式。 优选地,遮光元件图案的厚度t0设定为满足m * tr <= t0 + D * D /λ的关系式。
    • 6. 发明授权
    • Solid catalyst component and catalyst for olefin polymerization
    • 固体催化剂组分和烯烃聚合催化剂
    • US06228791B1
    • 2001-05-08
    • US09331894
    • 1999-07-06
    • Takuo KataokaMasayoshi SaitoIsa Nishiyama
    • Takuo KataokaMasayoshi SaitoIsa Nishiyama
    • B01J2100
    • C08F10/00C08F4/6567C08F4/6555C08F4/651C08F4/6465
    • The present invention is a solid catalyst component for polymerization of olefins prepared by contacting a magnesium compound, a tetravalent halogen-containing titanium compound, a diester of an aromatic dicarboxylic acid, an aromatic hydrocarbon and an organic aluminum compound containing a hydroxyl group represented by the following general formula (R1CO2)mAl(OH)3-m or aluminum hydroxide. The catalyst for polymerization of olefins comprising said solid catalyst component, an organic aluminum compound represented by the general formula R2pAlQ3-p and an organic silicon compound represented by the general formula R3qSi(OR4)4-q can retard the rate of forming a polymer having a low molecular weight or a low stereoregular polymer which is soluble in a polymerization solvent in slurry polymerization and can obtain a high stereoregular polymer in a high yield, and also can obtain a copolymer having an excellent property in a high yield in the copolymerization of olefins.
    • 本发明是通过使镁化合物,四价含卤素的钛化合物,芳族二羧酸的二酯,芳香族烃和含有羟基的有机铝化合物接触而制备的烯烃聚合用固体催化剂成分 遵循通式(R1CO2)mA1(OH)3-m或氢氧化铝。 包含所述固体催化剂组分,由通式R2pAlQ3-p表示的有机铝化合物和由通式R3qSi(OR4)4-q表示的有机硅化合物)的烯烃聚合催化剂可以延迟形成具有 低分子量或低立构规整性聚合物,其在淤浆聚合中可溶于聚合溶剂,并且可以高产率获得高立构规整性聚合物,并且还可以获得在烯烃共聚合中具有优异性能的共聚物 。
    • 9. 发明申请
    • Pattern forming method performing multiple exposure so that total amount of exposure exceeds threshold
    • 图案形成方法进行多次曝光,使得总曝光量超过阈值
    • US20080268381A1
    • 2008-10-30
    • US12081765
    • 2008-04-21
    • Masayoshi SaitoShinji Ohara
    • Masayoshi SaitoShinji Ohara
    • G03F7/20
    • H01L21/0274G03F7/2022
    • A pattern forming method includes forming a resist film on a target film to be processed, which is formed on a substrate; and forming a basic pattern part in the resist film by multiple exposure using photomasks, wherein each exposure process is performed at an amount of exposure smaller than a threshold assigned to the resist film; and the resist film is developed after the total sum of the amounts of exposure through a plurality of exposure processes exceeds the threshold, so that the basic pattern part including a hole shape, which corresponds to each area where the total amount of exposure through the exposure processes via the photomasks exceeds the threshold, is formed in the resist film. The method also includes performing etching via the basic pattern part so as to form a desired pattern in the target film.
    • 图案形成方法包括在基板上形成的被处理对象膜上形成抗蚀剂膜; 并且使用光掩模通过多次曝光在抗蚀剂膜中形成基本图案部分,其中每个曝光处理以小于分配给抗蚀剂膜的阈值的曝光量进行; 并且在通过多次曝光处理的曝光量的总和超过阈值之后显影抗蚀剂膜,使得包括孔形状的基本图案部分对应于通过曝光的总曝光量的每个区域 通过光掩模的处理超过阈值,形成在抗蚀剂膜中。 该方法还包括通过基本图案部分进行蚀刻,以便在目标膜中形成所需的图案。