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    • 52. 发明授权
    • Pellicle membrane
    • 防护薄膜
    • US08815476B2
    • 2014-08-26
    • US13805724
    • 2011-06-29
    • Takashi Kozeki
    • Takashi Kozeki
    • G03F1/62
    • G03F1/62
    • The purpose of the present invention is to produce a pellicle film, which is suppressed in light deterioration or photodecomposition due to lithography light exposure, by simpler processes. Specifically disclosed is a pellicle film for lithography containing an amorphous fluoropolymer, which is characterized by containing 5-800 ppm by mass of a fluorine-based solvent. Also specifically disclosed is a method for producing a pellicle film, which comprises: a step A wherein a coating film of a solution that contains an amorphous fluoropolymer and a fluorine-based solvent is formed; and a step B wherein the fluorine-based solvent in the coating film is removed. The method for producing a pellicle film is characterized in that 5-800 ppm by mass of the fluorine-based solvent is caused to remain in the coating film in the step B.
    • 本发明的目的是通过更简单的工艺来制造防止由光刻曝光引起的光劣化或光分解的防护薄膜。 具体公开了含有无定形含氟聚合物的光刻用防护薄膜,其特征在于含有5-800质量ppm的氟系溶剂。 还具体公开了一种防护薄膜的制造方法,其特征在于,包括:形成含有无定形含氟聚合物和氟系溶剂的溶液的涂膜的工序A, 以及除去涂膜中的氟系溶剂的工序B。 防护薄膜的制造方法的特征在于,在步骤B中,将5-800质量ppm的氟系溶剂残留在涂膜中。
    • 53. 发明申请
    • PELLICLE FOR LITHOGRAPHY, PELLICLE-MOUNTED PHOTOMASK, AND EXPOSURE TREATMENT METHOD
    • 胶版胶版胶版胶版曝光处理方法
    • US20140147773A1
    • 2014-05-29
    • US14167210
    • 2014-01-29
    • ASAHI GLASS COMPANY, LIMITED
    • Yoko TAKEBE
    • G03F1/62
    • G03F1/62G03F1/142
    • To provide a pellicle for lithography having a pellicle membrane excellent in light resistance against light with a wavelength of at most 250 nm, particularly at most 200 nm, a pellicle-mounted photomask using it, and an exposure treatment method. A pellicle for lithography having a multilayer pellicle membrane including a membrane made of a fluoropolymer (A) which contains, as the main component, repeating units obtained by cyclopolymerization of a pertluorodiene having one etheric oxygen atom, and a membrane made of a fluoropolymer (B) which has fluorinated alicyclic ring structures each containing, in the ring structure, two or three etheric oxygen atoms not being adjacent to one another, wherein the total thickness of the membrane made of the fluoropolymer (B) is at most 40% of the total thickness of the membrane made of the fluoropolymer (A).
    • 为了提供一种用于光刻的防护薄膜组件,其具有对波长为至多250nm,特别是至多200nm的光的耐光性优异的防护薄膜组件,使用该防护薄膜组件的光掩模和曝光处理方法。 一种用于光刻的防护薄膜组件,其具有包含由含氟聚合物(A)制成的膜的多层防护薄膜,所述氟聚合物(A)含有通过使具有一个醚性氧原子的全氟二烯的环化聚合得到的重复单元和由含氟聚合物(B ),其具有在环结构中含有彼此不相邻的两个或三个醚性氧原子的氟化脂环族结构,其中由含氟聚合物(B)构成的膜的总厚度为总共的40% 由含氟聚合物(A)制成的膜的厚度。
    • 57. 发明授权
    • Pellicle for lithography
    • 光刻胶片
    • US08309279B2
    • 2012-11-13
    • US12929555
    • 2011-02-01
    • Toru Shirasaki
    • Toru Shirasaki
    • G03F1/62G03F1/64
    • G03F1/64
    • There is provided a pellicle in which the mask-bonding adhesive is formed to have a corner-rounded cross section in a shape akin to a trapezoid whose upper parallel side represents the face of the mask-bonding adhesive layer by which the adhesive layer is attached to the pellicle frame, and whose lower parallel side is not shorter than the upper parallel side, and the base angles of the trapezoid are 90 degrees or smaller but not smaller than 75 degrees, when the lower parallel side is assumed to be the base of the trapezoid.
    • 提供了防护薄膜组件,其中掩模粘合剂形成为具有与梯形类似的形状的角圆形横截面,其上平行侧表示粘附层附着的掩模粘合层的表面 并且其下平行侧不比上平行侧短,并且梯形的底角为90度以下但不小于75度,当下平行侧被假定为 梯形。
    • 60. 发明授权
    • Electrostatic pellicle system for a mask
    • 用于面罩的静电防护薄膜系统
    • US06921613B2
    • 2005-07-26
    • US10806726
    • 2004-03-22
    • Dan Enloe
    • Dan Enloe
    • G03F1/24G03F1/62G03F9/00A47G1/12G03B27/62
    • B82Y10/00B82Y40/00G03F1/24G03F1/62
    • The present invention describes an apparatus comprising a mask; a pellicle spacer, the pellicle spacer attached to the mask; and an electrostatic pellicle system, the electrostatic pellicle system attached to the pellicle spacer.The present invention further describes a method of keeping contaminants away from a vicinity of a mask during exposure, the contaminants including an uncharged or neutral particle, a positively-charged particle, or a negatively-charged particle, comprising: inducing a positive or negative charge on the uncharged or neutral particle; attracting the positively-charged particle with a negatively-charged electric field; and attracting the negatively-charged particle with a positively-charged electric field.
    • 本发明描述了一种包括掩模的装置; 防护膜隔离物,附着在掩模上的防护膜隔片; 和静电防护薄膜系统,静电防护薄膜系统附着在防护薄膜组件上。 本发明还描述了一种在暴露期间将污染物远离掩模附近的污染物,污染物包括不带电荷或中性颗粒,带正电荷的颗粒或带负电荷的颗粒,包括:诱导正电荷或负电荷 在不带电或中性粒子上; 用带负电荷的电场吸引带正电的粒子; 并用带正电荷的电场吸引带负电荷的粒子。