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    • 71. 发明授权
    • Substrate processing method
    • 基板加工方法
    • US08329050B2
    • 2012-12-11
    • US12545144
    • 2009-08-21
    • Takashi SoneEiichi Nishimura
    • Takashi SoneEiichi Nishimura
    • B44C1/22C03C15/00C03C25/68C23F1/00
    • H01L21/31144H01L21/0206H01L21/0337H01L21/0338H01L21/31116H01L21/31138
    • A substrate processing method for processing a substrate, on which a processing target layer, an intermediate layer, and a mask layer having an opening to expose a part of the intermediate layer are stacked in this order, includes a shrink etching step. In the shrink etching step, an opening width of the opening of the mask layer is reduced by depositing deposits on a sidewall surface thereof by a plasma generated from a gaseous mixture of depositive gas expressed by a general formula CxHyFz (x, y and z being positive integers) and SF6 gas. Also, there is formed in the intermediate layer an opening having an opening width corresponding to the reduced opening width of the opening of the mask layer by etching the intermediate layer.
    • 包括用于处理基板的基板处理方法,其中具有处理目标层,中间层和具有用于暴露中间层的一部分的开口的掩模层的顺序包括收缩蚀刻步骤。 在收缩蚀刻步骤中,通过用由通式C x H y F z(x,y和z表示)的沉积气体的气体混合物产生的等离子体沉积在其侧壁表面上的沉积物来减小掩模层的开口的开口宽度 正整数)和SF6气体。 此外,在中间层中形成有通过蚀刻中间层而具有对应于掩模层的开口的开口宽度减小的开口宽度的开口。
    • 72. 发明申请
    • CLEANING METHOD OF PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD
    • 等离子体处理装置的清洗方法和等离子体处理方法
    • US20120270406A1
    • 2012-10-25
    • US13446006
    • 2012-04-13
    • Shigeru TaharaEiichi Nishimura
    • Shigeru TaharaEiichi Nishimura
    • B08B7/00H01L21/3065
    • H01J37/321H01J37/32853
    • A plasma processing apparatus in which a cleaning method is performed includes a plasma generating chamber, having a silicon-containing member, for generating therein plasma by exciting a processing gas; a plasma processing chamber communicating with the plasma generating chamber via a partition member; and a high frequency antenna, having a planar shape, provided at an outside of a dielectric window of the plasma generating chamber. The cleaning method includes exciting a hydrogen-containing processing gas into plasma in the plasma generating chamber, introducing hydrogen radicals in the plasma into the plasma processing chamber through the partition member, performing a plasma process on a processing target substrate by allowing the hydrogen radicals to act on the processing target substrate, unloading the processing target substrate, and removing silicon-based deposits generated in the plasma generating chamber by introducing a tetrafluoride (tetrafluoromethane) gas into the plasma generating chamber.
    • 其中执行清洁方法的等离子体处理装置包括:具有含硅构件的等离子体产生室,用于通过激发处理气体在其中产生等离子体; 等离子体处理室,其经由分隔构件与等离子体产生室连通; 以及设置在等离子体发生室的电介质窗口的外侧的具有平面形状的高频天线。 清洗方法包括在等离子体发生室中激发含氢处理气体进入等离子体,通过分隔构件将等离子体中的氢自由基引入等离子体处理室中,通过使氢自由基进入等离子体处理工艺 作用于处理对象基板,卸载处理对象基板,以及通过将四氟(四氟甲烷)气体引入到等离子体产生室中来除去在等离子体发生室中产生的硅基沉积物。
    • 74. 发明授权
    • Fine pattern forming method
    • 精细图案形成方法
    • US08273258B2
    • 2012-09-25
    • US12651519
    • 2010-01-04
    • Takashi SoneEiichi Nishimura
    • Takashi SoneEiichi Nishimura
    • C03C15/00B44C1/22
    • H01L21/0273G03F7/0035G03F7/40G03F7/427H01L21/0338H01L21/31138H01L21/31144H01L21/32139
    • A disclosed fine pattern forming method includes steps of: forming patterns made of a first photoresist film, arranged at a first pitch on a film; trimming the patterns made of the first photoresist film; depositing a protection film on the patterns made of the first photoresist film on the trimmed patterns made of the first photoresist film, the protection film being made of reaction products of an etching gas, thereby obtaining first patterns; forming other patterns made of a second photoresist film, arranged at a second pitch, on the protection film, the other patterns made of the second photoresist film being shifted by half of the first pitch from the corresponding patterns made of the first photoresist film; trimming the other patterns made of the second photoresist film into second patterns; and etching the film using the first patterns and the second patterns.
    • 所公开的精细图案形成方法包括以下步骤:在膜上形成以第一间距布置的由第一光致抗蚀剂膜制成的图案; 修整由第一光致抗蚀剂膜制成的图案; 在由第一光致抗蚀剂膜制成的修剪图案上的由第一光致抗蚀剂膜制成的图案上形成保护膜,保护膜由蚀刻气体的反应产物制成,从而获得第一图案; 在保护膜上形成由第二间距布置的第二光致抗蚀剂膜制成的其它图案,由第二光致抗蚀剂膜制成的其它图案从由第一光致抗蚀剂膜制成的相应图案偏移了第一间距的一半; 将由第二光致抗蚀剂膜制成的其它图案修剪成第二图案; 并使用第一图案和第二图案蚀刻薄膜。
    • 80. 发明授权
    • Substrate processing method and storage medium
    • 基板处理方法和存储介质
    • US07985699B2
    • 2011-07-26
    • US11689272
    • 2007-03-21
    • Eiichi Nishimura
    • Eiichi Nishimura
    • H01L21/469
    • H01L21/3065H01L21/308H01L21/67069H01L21/67225H01L21/6831
    • A substrate processing method capable of preventing a substrate rear surface from being scratched when attracted onto an electrostatic chuck. In a coater/developer (11), a photocurable resin is coated onto a rear surface of a wafer (W), the resin is cured to form a resin protective film, and a resist is coated onto a front surface of the wafer. An exposing apparatus (12) subjects the resist to light exposure processing, irradiating ultraviolet light onto a resist portion of a pattern reversed with respect to a mask pattern. The coater/developer uses a washing liquid to remove the resist, thereby forming a resist film. In an etching apparatus (13), the front surface of the wafer is electrostatically attracted onto an electrostatic chuck (49) is subjected to RIE processing. In a washing apparatus (14), the resin protective film is dissolved and removed.
    • 一种基板处理方法,其能够防止当被吸引到静电卡盘上时基板后表面被划伤。 在涂布机/显影剂(11)中,将光固化树脂涂布在晶片(W)的后表面上,树脂固化形成树脂保护膜,并将抗蚀剂涂布在晶片的前表面上。 曝光装置(12)使抗蚀剂进行曝光处理,将紫外光照射到相对于掩模图案反转的图案的抗蚀剂部分上。 涂布机/显影剂使用洗涤液除去抗蚀剂,从而形成抗蚀剂膜。 在蚀刻装置(13)中,将静电吸附在静电吸盘(49)上的晶片的前表面进行RIE处理。 在洗涤装置(14)中,树脂保护膜被溶解并除去。