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    • 32. 发明申请
    • PROCESS FOR PRODUCING PHOTORESIST PATTERN
    • 生产光电子图案的工艺
    • US20100273112A1
    • 2010-10-28
    • US12763357
    • 2010-04-20
    • Mitsuhiro HataSatoshi YamamotoYusuke Fuji
    • Mitsuhiro HataSatoshi YamamotoYusuke Fuji
    • G03F7/20
    • G03F7/40G03F7/0035G03F7/0045G03F7/0046G03F7/0397G03F7/091
    • The present invention provides a process for producing a photoresist pattern comprising the following steps (A) to (D): (A) a step of forming the first photoresist film on a substrate using the first photoresist composition comprising a resin comprising a structural unit having an acid-labile group in its side chain and being itself insoluble or poorly soluble in an alkali aqueous solution but becoming soluble in an alkali aqueous solution by the action of an acid, an acid generator, and a cross-linking agent, exposing the first photoresist film to radiation followed by developing the exposed first photoresist film to obtain the first photoresist pattern, (B) a step of baking the obtained first photoresist pattern at 190 to 250° C. for 10 to 60 seconds, (C) a step of forming the second photoresist film on the substrate on which the first photoresist pattern has been formed using the second photoresist composition, exposing the second photoresist film to radiation, and (D) a step of developing the exposed second photoresist film to obtain the second photoresist pattern.
    • 本发明提供一种制造光致抗蚀剂图案的方法,包括以下步骤(A)至(D):(A)使用包含树脂的第一光致抗蚀剂组合物在基板上形成第一光致抗蚀剂膜的步骤,所述树脂包括具有 其侧链酸性不稳定基团本身不溶于或难溶于碱水溶液,但通过酸,酸发生剂和交联剂的作用变得可溶于碱性水溶液中,使第一 将曝光的第一光致抗蚀剂膜显影以获得第一光致抗蚀剂图案,(B)在190至250℃下烘烤获得的第一光致抗蚀剂图案10至60秒的步骤,(C)步骤 在所述基板上形成所述第二光致抗蚀剂膜,使用所述第二光致抗蚀剂组合物在其上形成所述第一光致抗蚀剂图案,将所述第二光致抗蚀剂膜暴露于辐射,以及(D) 旋转曝光的第二光致抗蚀剂膜以获得第二光致抗蚀剂图案。
    • 35. 发明申请
    • RESIST PROCESSING METHOD
    • 电阻加工方法
    • US20110189618A1
    • 2011-08-04
    • US13062180
    • 2009-09-01
    • Mitsuhiro HataNobuo AndoSatoshi YamamotoJunji ShigematsuAkira Kamabuchi
    • Mitsuhiro HataNobuo AndoSatoshi YamamotoJunji ShigematsuAkira Kamabuchi
    • G03F7/20
    • G03F7/0035G03F7/0045G03F7/0046G03F7/0397G03F7/40
    • A resist processing method comprises the steps of: (1) forming a first resist film by applying a first resist composition comprising: a resin (A) having an acid-labile group, being insoluble or poorly soluble in alkali aqueous solution, and being rendered soluble in alkali aqueous solution through the action of an acid, a photo acid generator (B), a cross-linking agent (C) and an acid amplifier (D) onto a substrate and drying; (2) prebaking the first resist film; (3) exposing to the first resist film; (4) post-exposure baking of the first resist film; (5) developing with a first alkali developer to obtain a first resist pattern; (6) hard-baking the first resist pattern, (7) obtaining a second resist film by applying a second resist composition onto the first resist pattern, and drying; (8) pre-baking the second resist film; (9) exposing the second resist film; (10) post-exposure baking the second resist film; and (11) developing with a second alkali developer to obtain a second resist pattern.
    • 抗蚀剂处理方法包括以下步骤:(1)通过施加第一抗蚀剂组合物形成第一抗蚀剂膜,所述第一抗蚀剂组合物包含:具有酸不稳定基团的树脂(A),其在碱性水溶液中不溶或难溶,并且呈现 通过酸,光酸产生剂(B),交联剂(C)和酸放大器(D)的作用将其溶于碱水溶液中并干燥; (2)预烘第一抗蚀膜; (3)暴露于第一抗蚀膜; (4)第一抗蚀剂膜的曝光后烘烤; (5)用第一碱性显影剂显影以获得第一抗蚀剂图案; (6)硬烘烤第一抗蚀剂图案,(7)通过将第二抗蚀剂组合物施加到第一抗蚀剂图案上并干燥获得第二抗蚀剂膜; (8)预烘烤第二抗蚀剂膜; (9)使第二抗蚀剂膜曝光; (10)曝光后烘烤第二抗蚀膜; 和(11)用第二碱性显影剂显影以获得第二抗蚀剂图案。
    • 36. 发明申请
    • RESIST PROCESSING METHOD
    • 电阻加工方法
    • US20110171586A1
    • 2011-07-14
    • US13003178
    • 2009-07-07
    • Mitsuhiro HataSatoshi YamamotoTakayuki Miyagawa
    • Mitsuhiro HataSatoshi YamamotoTakayuki Miyagawa
    • G03F7/20
    • G03F7/0035G03F7/0045G03F7/0046G03F7/0397G03F7/2022G03F7/38G03F7/40
    • A resist processing method having the steps of: (1) forming a first resist film by applying a first resist composition comprising: a resin (A) having an acid-labile group, being insoluble or poorly soluble in alkali aqueous solution, and being rendered soluble in alkali aqueous solution through the action of an acid, a photo acid generator (B) and a cross-linking agent (C) onto a substrate and drying; (2) prebaking the first resist film; (3) exposing to a whole surface of the first resist film, and then exposing the first resist film through a mask; (4) post-exposure baking of the first resist film; (5) developing with a first alkali developer to obtain a first resist pattern; (6) hard-baking the first resist pattern, (7) obtaining a second resist film by applying a second resist composition onto the first resist pattern, and then drying; (8) pre baking the second resist film; (9) exposing the second resist film through a mask; (10) post-exposure baking the second resist film; and (11) developing with a second alkali developer to obtain a second resist pattern.
    • 一种抗蚀剂处理方法,具有以下步骤:(1)通过施加第一抗蚀剂组合物形成第一抗蚀剂膜,所述第一抗蚀剂组合物包含:具有酸不稳定基团的树脂(A),其在碱性水溶液中不溶或难溶,并且呈现 通过酸,光酸产生剂(B)和交联剂(C)的作用将其溶解在碱性水溶液中并干燥; (2)预烘第一抗蚀膜; (3)暴露于第一抗蚀剂膜的整个表面,然后通过掩模曝光第一抗蚀剂膜; (4)第一抗蚀剂膜的曝光后烘烤; (5)用第一碱性显影剂显影以获得第一抗蚀剂图案; (6)对第一抗蚀剂图案进行硬烘烤,(7)通过将第二抗蚀剂组合物施加到第一抗蚀剂图案上,然后干燥获得第二抗蚀剂膜; (8)预烘烤第二抗蚀剂膜; (9)通过掩模使第二抗蚀剂膜曝光; (10)曝光后烘烤第二抗蚀膜; 和(11)用第二碱性显影剂显影以获得第二抗蚀剂图案。
    • 38. 发明申请
    • RESIST PROCESSING METHOD
    • 电阻加工方法
    • US20100279226A1
    • 2010-11-04
    • US12810793
    • 2008-12-22
    • Mitsuhiro HataYoshiyuki TakataSatoshi YamaguchiIchiki TakemotoTakayuki MiyagawaYusuke Fuji
    • Mitsuhiro HataYoshiyuki TakataSatoshi YamaguchiIchiki TakemotoTakayuki MiyagawaYusuke Fuji
    • G03F7/004G03F7/20
    • H01L21/0275G03F7/0035G03F7/0045G03F7/0046G03F7/0397G03F7/40
    • The present invention has the object of providing a method of manufacturing a resist pattern in which an extremely fine and highly accurate resist pattern can be formed which is obtained using the resist composition for forming a first resist pattern in a multi-patterning method such as a double patterning method. The resist processing method comprising; forming a first resist film by applying a first resist composition onto a substrate and drying, the first resist composition comprising a resin (A), a photo acid generator (B) and a cross-linking agent (C), the resin (A) having an acid-labile group, being insoluble or poorly soluble in alkali aqueous solution but of being rendered soluble in alkali aqueous solution through the action of an acid; prebaking; exposure processing; post-exposure baking; developing; hard-baking the first resist pattern; and obtaining a second resist film; pre-baking; exposure processing; post-exposure baking; developing to obtain a second resist pattern.
    • 本发明的目的是提供一种制造抗蚀剂图案的方法,其中可以形成极细和高精度的抗蚀剂图案,该抗蚀剂图案是使用多图案化方法中形成第一抗蚀剂图案的抗蚀剂组合物获得的, 双重图案化方法 抗蚀剂处理方法包括: 通过将第一抗蚀剂组合物施加到基材上并干燥来形成第一抗蚀剂膜,所述第一抗蚀剂组合物包含树脂(A),光酸产生剂(B)和交联剂(C),树脂(A) 具有酸不稳定基团,在碱性水溶液中不溶或难溶,但通过酸的作用使其溶于碱水溶液中; 预烘烤 曝光处理; 曝光后烘烤; 发展; 硬烘烤第一抗蚀剂图案; 得到第二抗蚀膜; 预烘烤; 曝光处理; 曝光后烘烤; 显影以获得第二抗蚀剂图案。
    • 39. 发明授权
    • Chemically amplified resist composition and chemically amplified resist composition for immersion lithography
    • 用于浸没光刻的化学放大抗蚀剂组合物和化学放大抗蚀剂组合物
    • US08062829B2
    • 2011-11-22
    • US12395963
    • 2009-03-02
    • Mitsuhiro HataYusuke FujiTakayuki Miyagawa
    • Mitsuhiro HataYusuke FujiTakayuki Miyagawa
    • G03F7/004G03F7/30
    • G03F7/0397G03F7/0045G03F7/2041Y10S430/106Y10S430/111Y10S430/122
    • A chemically amplified resist composition, comprising: a resin which includes a structural unit having an acid-labile group in a side chain, a structural unit represented by the formula (I) and a structural unit having a polycyclic lactone structure, and which is soluble in an organic solvent and insoluble or poorly soluble in an alkali aqueous solution but rendered soluble in an alkali aqueous solution by the action of an acid; and an acid generator represented by the formula (II). wherein X1 represents a hydrogen atom, a C1 to C4 alkyl group, etc., Y in each occurrence independently represent a hydrogen atom or an alkyl group, and n is an integer of 1 to 14, R1 to R4 independently represent a hydrogen atom, an alkyl group, etc., and A+ represents an organic counterion, E− represents CF3SO3—, C2F5SO3—, C4F9SO3—, etc., Y1 and Y2 independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group.
    • 一种化学放大抗蚀剂组合物,其包含:树脂,其包含在侧链中具有酸不稳定基团的结构单元,由式(I)表示的结构单元和具有多环内酯结构的结构单元,并且其是可溶的 在有机溶剂中,不溶于或难溶于碱水溶液,但通过酸的作用可溶于碱水溶液; 和由式(II)表示的酸发生剂。 其中X 1表示氢原子,C 1〜C 4烷基等,Y各自独立地表示氢原子或烷基,n表示1〜14的整数,R 1〜R 4分别表示氢原子, 烷基等,A +表示有机抗衡离子,E表示CF 3 SO 3 - ,C 2 F 5 SO 3 - ,C 4 F 9 SO 3 - 等,Y 1和Y 2分别表示氟原子或C 1〜C 6全氟烷基。