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    • 2. 发明申请
    • Semiconductor device and method for fabricating the same
    • 半导体装置及其制造方法
    • US20080200024A1
    • 2008-08-21
    • US11819856
    • 2007-06-29
    • Keun Kyu Kong
    • Keun Kyu Kong
    • H01L21/4763H01L29/76
    • H01L28/91H01L27/10852
    • A method for fabricating a semiconductor device includes forming an interlayer insulating film over a semiconductor substrate. The interlayer insulating film is selectively etched to form a hole defining a storage node region. A lower electrode is formed in the hole. A support layer is formed over the lower electrode. The support layer fills an upper part of the hole and exposes the interlayer insulating film. A dip-out process is performed to remove the interlayer insulating film. The supporting layer is removed to expose the lower electrode. A dielectric film is formed over the semiconductor substrate including the lower electrode. A plate electrode is formed over the semiconductor substrate to fill the dielectric film and the lower electrode.
    • 一种制造半导体器件的方法包括在半导体衬底上形成层间绝缘膜。 选择性地蚀刻层间绝缘膜以形成限定存储节点区域的孔。 在孔中形成下电极。 在下电极上形成支撑层。 支撑层填充孔的上部并暴露层间绝缘膜。 进行浸出处理以去除层间绝缘膜。 去除支撑层以暴露下电极。 在包括下电极的半导体衬底之上形成电介质膜。 在半导体衬底之上形成平板电极以填充电介质膜和下电极。
    • 8. 发明授权
    • Photoresist cross-linker and photoresist composition comprising the same
    • 光阻抗交联剂和包含其的光致抗蚀剂组合物
    • US06312868B1
    • 2001-11-06
    • US09501096
    • 2000-02-09
    • Keun Kyu KongJae Chang JungMyoung Soo KimHyoung Gi KimHyeong Soo KimKi Ho Baik
    • Keun Kyu KongJae Chang JungMyoung Soo KimHyoung Gi KimHyeong Soo KimKi Ho Baik
    • G03F7004
    • G03F7/0045G03F7/038
    • The present invention is directed to photoresist cross-linkers selected from the group consisting of a cross-linker monomer represented by following Chemical Formula 1, and homopolymers and copolymers thereof. Such cross-linkers are suitable for use in photolithography processes employing KrF(248nm), ArF(193nm), E-beam, ion-beam or EUV light sources. wherein X1 and X2 individually represent CH2, CH2CH2, O or S; p and s individually represent an integer from 0 to 5; q is 0 or 1; R′ and R″ independently represent hydrogen or methyl; R represents straight or branched C1-10 alkyl, straight or branched C1-10 ether, straight or branched C1-10 ester, straight or branched C1-10 ketone, straight or branched C1-10 carboxylic acid, straight or branched C1-10 acetal, straight or branched C1-10 alkyl including at least one hydroxyl group, straight or branched C1-10 ether including at least one hydroxyl group, straight or branched C1-10 ester including at least one hydroxyl group, straight or branched C1-10 ketone including at least one hydroxyl group, straight or branched C1-10 carboxylic acid including at least one hydroxyl group, and straight or branched C1-10 acetal including at least one hydroxyl group; R1 and R2 independently represent hydrogen, straight or branched C1-10 alkyl, straight or branched C1-10 ester, straight or branched C1-10 ketone, straight or branched C1-10 carboxylic acid, straight or branched C1-10 acetal, straight or branched C1-10 alkyl including at least one hydroxyl group, straight or branched C1-10 ester including at least one hydroxyl group, straight or branched C1-10 ketone including at least one hydroxyl group, straight or branched C1-10 carboxylic acid including at least one hydroxyl group, and straight or branched C1-10 acetal including at least one hydroxyl group.
    • 本发明涉及选自由以下化学式1表示的交联剂单体和其均聚物和共聚物的光致抗蚀剂交联剂。 这种交联剂适用于采用KrF(248nm),ArF(193nm),电子束,离子束或EUV光源的光刻工艺.X1和X2分别表示CH2,CH2CH2,O或S; p和s各自表示0至5的整数; q为0或1; R'和R“独立地表示氢或甲基; R代表直链或支链C 1-10烷基,直链或支链C1-10醚,直链或支链C1-10酯,直链或支链C 1-10酮,直链或支链C 1-10羧酸,直链或支链C 1-10缩醛 包括至少一个羟基的直链或支链C 1-10烷基,包括至少一个羟基的直链或支链C 1-10醚,包括至少一个羟基的直链或支链C 1-10酯,直链或支链C 1-10酮 包括至少一个羟基,包括至少一个羟基的直链或支链C 1-10羧酸,和包含至少一个羟基的直链或支链C 1-10缩醛; R 1和R 2独立地表示氢,直链或支链C 1-10烷基,直链或支链C 1-10酯,直链或支链C 1-10酮,直链或支链C 1-10羧酸,直链或支链C 1-10缩醛,直链或 包括至少一个羟基的支链C 1-10烷基,包括至少一个羟基的直链或支链C 1-10酯,包括至少一个羟基,直链或支链C 1-10羧酸的直链或支链C 1-10酮包括 至少一个羟基,以及包含至少一个羟基的直链或支链C 1-10缩醛。
    • 9. 发明授权
    • Method for forming fine patterns of a semiconductor device
    • 用于形成半导体器件的精细图案的方法
    • US07674708B2
    • 2010-03-09
    • US11733937
    • 2007-04-11
    • Keun Kyu Kong
    • Keun Kyu Kong
    • H01L21/31H01L21/00
    • H01L21/0337H01L21/0338
    • A method for forming a fine pattern of a semiconductor device overcomes resolution limits of exposure equipment. The method includes forming a first photoresist pattern over an underlying layer formed over a semiconductor substrate. An amorphous carbon film and a second photoresist film are sequentially deposited over the first photoresist pattern. The second photoresist film and the amorphous carbon film are planarized to expose the first photoresist pattern. A thick portion and a thin portion of the amorphous carbon film is formed. The first photoresist pattern and the second photoresist film are removed. Etching is performed on the thin portion of the amorphous carbon film and the underlying layer using the thick portion of the amorphous carbon film as an etch mask. The thick portion of the amorphous carbon film is removed to expose a fine pattern of the underlying layer.
    • 用于形成半导体器件的精细图案的方法克服了曝光设备的分辨率限制。 该方法包括在半导体衬底上形成的下层上形成第一光致抗蚀剂图案。 在第一光致抗蚀剂图案上顺序地沉积无定形碳膜和第二光致抗蚀剂膜。 将第二光致抗蚀剂膜和非晶碳膜平坦化以暴露第一光致抗蚀剂图案。 形成无定形碳膜的厚部分和薄部分。 去除第一光致抗蚀剂图案和第二光致抗蚀剂膜。 使用非晶碳膜的厚部作为蚀刻掩模,在非晶碳膜和下层的薄壁部分上进行蚀刻。 去除非晶碳膜的厚部分以暴露下层的精细图案。