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    • 4. 发明公开
    • 대전 방지 포토 마스크 및 그 제조 방법
    • 防静电照相机及其制造方法
    • KR1020130044393A
    • 2013-05-03
    • KR1020110096360
    • 2011-09-23
    • (주)마이크로이미지
    • 유창권이희영
    • G03F1/40G03F1/00
    • G03F1/40G03F1/144G03F1/32G03F1/54G03F1/80H01L21/31144H01L21/32139
    • PURPOSE: An antistatic photomask is provided to prevent damages on the photomask in a light exposure step by removing fundamental causes of static electricity generation, thereby being capable of forming precise patterns. CONSTITUTION: An antistatic photomask comprises a glass substrate(10), a light-shielding film consisting of a non-light permeable material and a transparent conducting film(20). The transparent conducting film is formed between the glass substrate and a light-shielding film. The transparent conducting film is an indium tin oxide thin film. A manufacturing method of the antistatic photomask comprises a step of forming the transparent conducting film on the glass substrate; a step of forming a light-shielding film on the transparent conducting film; and a step of forming a photoresist film(40) on the light-shielding film.
    • 目的:提供防静电光掩模,通过消除静电产生的根本原因,防止光曝光步骤中的光掩模损坏,从而能够形成精确的图案。 构成:抗静电光掩模包括玻璃基板(10),由不透光材料构成的遮光膜和透明导电膜(20)。 透明导电膜形成在玻璃基板和遮光膜之间。 透明导电膜是氧化铟锡薄膜。 抗静电光掩模的制造方法包括在玻璃基板上形成透明导电膜的工序; 在透明导电膜上形成遮光膜的步骤; 以及在所述遮光膜上形成光致抗蚀剂膜(40)的步骤。
    • 5. 发明授权
    • 포토마스크 및 이를 이용한 노광 방법
    • 保留所有权利
    • KR100646986B1
    • 2006-11-23
    • KR1020050076794
    • 2005-08-22
    • 엘지전자 주식회사
    • 정영로
    • G03F1/00G03F1/40G03F7/00
    • A photo-mask capable of modifying patterns is provided to enable patterns to be modified by using multiple cells in the photo-mask, thereby being applicable in various exposure processes, by fabricating upper and lower electrode plates containing multiple cells therein, respectively, and polar molecular layer between the plates. The photo-mask(200) comprises: lower electrode plate(202) consisting of a number of lower cells; upper electrode plate(204) consisting of a number of upper cells corresponding to the lower cells; polar molecular layer(206) comprising polar molecules, which is positioned between the electrode plates. The polar molecules are constantly aligned according to voltage applied in one of the upper cells and a corresponding lower cell. Externally emitted light passes through the aligned polar molecules. The polar molecular layer comprises dielectric material containing the polar molecules. The cells are individually partitioned by transparent insulation elements.
    • 提供一种能够修改图案的光掩模,以通过在光掩模中使用多个单元来使图案能够被修改,由此可以应用于各种曝光工艺中,分别通过制造其中包含多个单元的上部和下部电极板以及极性 分子层之间的板。 该光掩模(200)包括:由多个下单元组成的下电极板(202) 上部电极板(204),其由对应于下部电池的多个上部电池构成; 极性分子层(206)包含位于电极板之间的极性分子。 极性分子根据施加在上部电池和对应的下部电池中的一个中的电压而恒定地对准。 外部发射的光线穿过排列的极性分子。 极性分子层包含含有极性分子的电介质材料。 电池单独由透明绝缘元件分隔。
    • 9. 发明公开
    • PHOTO MASK
    • 照片掩码
    • KR20070076320A
    • 2007-07-24
    • KR20060005540
    • 2006-01-18
    • SAMSUNG ELECTRONICS CO LTD
    • CHOI WON WOONG
    • G03F1/54G03F1/40
    • Provided is a photomask having a structure to prevent electric charges accumulated in a light barrier from immigrating to a shot region susceptible to discharge of static electricity, thereby preventing destruction of pattern caused by discharge of static electricity in the photomask. The photomask includes a transparent substrate; a shot region(52) having a pattern formed on the transparent substrate; and a cutoff region(60) covered with a light barrier around the shot region on the transparent substrate; and a static electricity prevention ring(52) formed by removing a part of the light barrier around the shot region so as to separate the light barrier around the shot region from the light barrier of the outer part of the transparent substrate. The static electricity prevention ring is spaced farther than an offset margin of light from the boundary of the shot region and has a width of 0.5 mm to 2.0 mm.
    • 提供一种光掩模,其具有防止蓄积在光障层中的电荷移动到易于静电放电的照射区域的结构,从而防止由光掩模中的静电放电引起的图案的破坏。 光掩模包括透明基板; 具有形成在所述透明基板上的图案的照射区域(52) 以及在所述透明基板上的所述照射区域周围覆盖有光阻挡的截止区域(60) 以及静电防止环(52),其通过去除所述照射区域周围的所述光阻挡部分的一部分而形成,以将所述照射区域周围的光屏障与所述透明基板的外部部分的光屏障分离。 静电防止环距射出区域的边界的光的偏移距离更远,并且具有0.5mm至2.0mm的宽度。