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1. 发明授权

US5942367A Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group 失效
公开(公告)号：US5942367A
公开(公告)日：1999-08-24
申请号：US839107
申请日：1997-04-23
申请人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
发明人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
IPC分类号： C08F8/00 , G03F7/004 , G03F7/039
CPC分类号： G03F7/039 , C08F8/00 , G03F7/0045 , C08F2810/20 , C08F2810/30 , Y10S430/106
摘要： A chemically amplified positive resist composition contains (A) an organic solvent, (B) a base resin in the form of a polymer having at least one acid labile group and crosslinked within a molecule and/or between molecules with a crosslinking group having a C--O--C linkage, the polymer having a weight average molecular weight of 1,000-500,000, (C) a photoacid generator, (D) a basic compound, and (E) an aromatic compound having a group .tbd.C--COOH in a molecule. The composition has a high alkali dissolution contrast, high sensitivity and high resolution.

2. 发明授权

US06312869B1 Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group 有权
标题翻译：化学扩增正型抗蚀剂组合物，图案形成方法，以及制备具有交联基团的聚合物的方法
公开(公告)号：US06312869B1
公开(公告)日：2001-11-06
申请号：US09592419
申请日：2000-06-12
申请人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
发明人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
IPC分类号： G03F7039
CPC分类号： G03F7/039 , C08F8/00 , C08F2810/20 , C08F2810/30 , G03F7/0045 , Y10S430/106 , C08F112/14
摘要： A chemically amplified positive resist composition contains (A) an organic solvent, (B) a base resin in the form of a polymer having at least one acid labile group and crosslinked within a molecule and/or between molecules with a crosslinking group having a C—O—C linkage, the polymer having a weight average molecular weight of 1,000-500,000, (C) a photoacid generator, (D) a basic compound, and (E) an aromatic compound having a group ≡C—COOH in a molecule. The composition has a high alkali dissolution contrast, high sensitivity and high resolution.
摘要翻译：化学放大正性抗蚀剂组合物包含（A）有机溶剂，（B）具有至少一个酸不稳定基团的聚合物形式的基础树脂，并且在分子内和/或具有交联基团的分子之间具有COC 连接，重均分子量为1,000〜500,000的聚合物，（C）光酸产生剂，（D）碱性化合物和（E）分子中具有= C-COOH基团的芳族化合物。该组合物具有高碱溶性对比度，高灵敏度和高分辨率。

3. 发明授权

US06335141B1 Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group 有权
标题翻译：化学扩增正型抗蚀剂组合物，图案形成方法，以及制备具有交联基团的聚合物的方法
公开(公告)号：US06335141B1
公开(公告)日：2002-01-01
申请号：US09592423
申请日：2000-06-12
申请人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
发明人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
IPC分类号： G03F7039
CPC分类号： G03F7/039 , C08F8/00 , C08F2810/20 , C08F2810/30 , G03F7/0045 , Y10S430/106 , C08F112/14
摘要： A chemically amplified positive resist composition contains (A) an organic solvent, (B) a base resin in the form of a polymer having at least one acid labile group and crosslinked within a molecule and/or between molecules with a crosslinking group having a C—O—C linkage, the polymer having a weight average molecular weight of 1,000-500,000, (C) a photoacid generator, (D) a basic compound, and (E) an aromatic compound having a group ≡C—COOH in a molecule. The composition has a high alkali dissolution contrast, high sensitivity and high resolution.
摘要翻译：化学放大正性抗蚀剂组合物包含（A）有机溶剂，（B）具有至少一个酸不稳定基团的聚合物形式的基础树脂，并且在分子内和/或具有交联基团的分子之间具有COC 连接，重均分子量为1,000〜500,000的聚合物，（C）光酸产生剂，（D）碱性化合物和（E）分子中具有= C-COOH基团的芳族化合物。该组合物具有高碱溶性对比度，高灵敏度和高分辨率。

4. 发明授权

US6114462A Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group 有权
标题翻译：化学扩增正型抗蚀剂组合物，图案形成方法，以及制备具有交联基团的聚合物的方法
公开(公告)号：US6114462A
公开(公告)日：2000-09-05
申请号：US302304
申请日：1999-04-30
申请人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
发明人： Satoshi Watanabe , Osamu Watanabe , Tomoyoshi Furihata , Yoshihumi Takeda , Shigehiro Nagura , Toshinobu Ishihara , Tsuguo Yamaoka
IPC分类号： C08F8/00 , G03F7/004 , G03F7/039 , C08F261/06
CPC分类号： G03F7/039 , C08F8/00 , G03F7/0045 , C08F2810/20 , C08F2810/30 , Y10S430/106
摘要： A chemically amplified positive resist composition contains (A) an organic solvent, (B) a base resin in the form of a polymer having at least one acid labile group and crosslinked within a molecule and/or between molecules with a crosslinking group having a C--O--C linkage, the polymer having a weight average molecular weight of 1,000-500,000, (C) a photoacid generator, (D) a basic compound, and (E) an aromatic compound having a group .tbd.C--COOH in a molecule. The composition has a high alkali dissolution contrast, high sensitivity and high resolution.
摘要翻译：化学放大正性抗蚀剂组合物包含（A）有机溶剂，（B）具有至少一个酸不稳定基团的聚合物形式的基础树脂，并且在分子内和/或具有交联基团的分子之间具有COC 连接，重均分子量为1,000〜500,000的聚合物，（C）光酸产生剂，（D）碱性化合物和（E）分子中具有第3BOND C-COOH基团的芳族化合物。该组合物具有高碱溶性对比度，高灵敏度和高分辨率。

5. 发明授权

US6033828A Partially hydrogenated polymers and chemically amplified positive resist compositions 失效
标题翻译：部分氢化聚合物和化学增幅阳性抗蚀剂组合物
公开(公告)号：US6033828A
公开(公告)日：2000-03-07
申请号：US12583
申请日：1998-01-26
申请人： Junji Shimada , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
发明人： Junji Shimada , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
IPC分类号： C08F8/04 , G03F7/004 , G03F7/039 , G03C1/492 , C08F12/08 , C08F12/24
CPC分类号： G03F7/039 , C08F8/04 , G03F7/0045
摘要： A polymer comprising recurring units of formula (1) is provided wherein some of the hydrogen atoms of phenolic hydroxyl groups and/or alcoholic hydroxyl groups are replaced by acid labile groups. The polymer is crosslinked within a molecule and/or between molecules with a crosslinking group having a C--O--C linkage resulting from reaction of some of the remaining phenolic hydroxyl groups and/or alcoholic hydroxyl groups with an alkenyl ether compound or halogenated alkyl ether compound. The amount of the acid labile group and the crosslinking group combined is on the average from more than 0 mol % to 80 mol % of the entirety of the phenolic hydroxyl group and alcoholic hydroxyl group. The polymer has Mw of 1,000-500,000. ##STR1## R.sup.1 is H or methyl, R.sup.2 is C.sub.1 -C.sub.8 alkyl, letter x is 0 or a positive integer, y is a positive integer, x+y.ltoreq.5, letters p and q are positive numbers satisfying p+q=1 and 0
摘要翻译：提供了包含式（1）的重复单元的聚合物，其中酚羟基和/或醇羟基的一些氢原子被酸不稳定基团取代。聚合物在分子内和/或分子之间交联，具有由一些残留的酚羟基和/或醇羟基与链烯基醚化合物或卤代烷基醚化合物的反应产生的具有C-O-C键的交联基团。酸不稳定基团和交联基团的用量平均为全部酚羟基和醇羟基的0摩尔％至80摩尔％以上。聚合物的Mw为1,000-500,000。 R1是H或甲基，R2是C1-C8烷基，字母x是0或正整数，y是正整数，x + y <5，字母p和q是满足p + q = 1的正数， 0

6. 发明授权

US6106993A Chemically amplified positive resist composition 失效
标题翻译：化学放大正光刻胶组合物
公开(公告)号：US6106993A
公开(公告)日：2000-08-22
申请号：US114067
申请日：1998-07-13
申请人： Satoshi Watanabe , Osamu Watanabe , Shigehiro Nagura , Toshinobu Ishihara
发明人： Satoshi Watanabe , Osamu Watanabe , Shigehiro Nagura , Toshinobu Ishihara
IPC分类号： G03F7/00 , G03F7/004 , G03F7/039
CPC分类号： G03F7/039 , G03F7/0045 , Y10S430/106
摘要： A chemically amplified positive resist composition contains (A) an organic solvent, (B) a base resin, (C) a photoacid generator, and optionally, (D) a dissolution rate regulator. The base resin (B) is a hydroxystyrene copolymer having different acid labile groups and Mw of 3,000-300,000. The resist composition is highly sensitive to actinic radiation such as deep-UV, electron beam and X-ray, can be developed with aqueous base to form a pattern, and is thus suitable for use in a fine patterning technique.
摘要翻译：化学放大正性抗蚀剂组合物包含（A）有机溶剂，（B）基础树脂，（C）光致酸产生剂，和任选的（D）溶出速率调节剂。基础树脂（B）是具有不同酸不稳定基团和Mw为3,000-300,000的羟基苯乙烯共聚物。抗蚀剂组合物对光化辐射如深UV，电子束和X射线高度敏感，可以用碱水溶液显影以形成图案，因此适用于精细图案化技术。

7. 发明授权

US06156477A Polymers and chemically amplified positive resist compositions 失效
标题翻译：聚合物和化学增幅阳性抗蚀剂组合物
公开(公告)号：US06156477A
公开(公告)日：2000-12-05
申请号：US13270
申请日：1998-01-26
申请人： Kiyoshi Motomi , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
发明人： Kiyoshi Motomi , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
IPC分类号： C08F8/00 , G03F7/004 , G03F7/039
CPC分类号： G03F7/039 , C08F8/14 , G03F7/0045 , C08F2800/20 , C08F2810/20 , Y10S430/106 , Y10S430/111
摘要： A polymer comprising recurring units of formula (1) is provided wherein some hydrogen atoms of phenolic hydroxyl groups and/or carboxyl groups are replaced by acid labile groups. The polymer is crosslinked with a crosslinking group having a C--O--C linkage resulting from reaction of some of the remaining phenolic hydroxyl groups and/or carboxyl groups with an alkenyl ether compound or halogenated alkyl ether compound. The amount of the acid labile group and the crosslinking group combined is on the average from more than 0 mol % to 80 mol % of the entirety of the phenolic hydroxyl group and carboxyl group. The polymer has Mw of 1,000-500,000. R.sup.1 is H or methyl, R.sup.2 is C.sub.1 -C.sub.8 alkyl, R.sup.3 is H, R.sup.4 is --COOR.sup.5, C.sub.1 -C.sub.5 alkyl or phenyl, or R.sup.3 and R.sup.4, taken together, may form --COOCO--, R.sup.5 is H or C.sub.1 -C.sub.8 alkyl, x and y are integers satisfying x+y.ltoreq.5, p and q are positive numbers satisfying p+q=1 and 0
摘要翻译：提供了包含式（1）的重复单元的聚合物，其中酚羟基和/或羧基的一些氢原子被酸不稳定基团取代。聚合物与由一些残留的酚羟基和/或羧基与烯基醚化合物或卤代烷基醚化合物反应得到的具有C-O-C键的交联基团交联。酸不稳定基团和交联基团的用量平均为全部酚羟基和羧基的0摩尔％至80摩尔％以上。聚合物的Mw为1,000-500,000。 R1是H或甲基，R2是C1-C8烷基，R3是H，R4是-COOR5，C1-C5烷基或苯基，或R3和R4一起可以形成-COOCO-，R5是H或C1-C8 烷基，x和y是满足x + y <5的整数，p和q是满足p + q = 1和0

8. 发明授权

US6027854A Polymers chemically amplified positive resist compositions, and patterning method 失效
标题翻译：聚合物化学放大正性抗蚀剂组合物和图案化方法
公开(公告)号：US6027854A
公开(公告)日：2000-02-22
申请号：US31560
申请日：1998-02-27
申请人： Tsunehiro Nishi , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
发明人： Tsunehiro Nishi , Osamu Watanabe , Satoshi Watanabe , Shigehiro Nagura , Toshinobu Ishihara
IPC分类号： G03F7/004 , G03F7/039
CPC分类号： G03F7/039 , G03F7/0045 , Y10S430/106
摘要： A polymer comprising recurring units of formula (1) is provided wherein some hydrogen atoms of phenolic hydroxyl groups and/or alcoholic hydroxyl groups and/or carboxyl groups are replaced by acid labile groups. The polymer is crosslinked with a crosslinking group having a C--O--C linkage resulting from reaction of some of the remaining alcoholic hydroxyl groups and/or carboxyl groups with an alkenyl ether compound or halogenated alkyl ether compound. The amount of the acid labile group and the crosslinking group combined is on the average from more than 0 mol % to 80 mol % of the entirety of the phenolic hydroxyl group, alcoholic hydroxyl group and carboxyl group. The polymer has Mw of 1,000-500,000. ##STR1## R.sup.1 is H or methyl, R.sup.2 is C.sub.1 -C.sub.8 alkyl, R.sup.3 is a divalent C.sub.1 -C.sub.18 hydrocarbon group which may have a hetero atom, R.sup.4 and R.sup.5 are H or monovalent C.sub.1 -C.sub.18 hydrocarbon groups which may have a hetero atom, x and y are integers satisfying x+y.ltoreq.5, x', y' and z' are integers satisfying x'+y'+z'.ltoreq.5, p, q and r are numbers satisfying 0.ltoreq.p.ltoreq.0.4, 0.ltoreq.q.ltoreq.0.4, 0.01.ltoreq.p+q.ltoreq.0.8, and p+q+r=1. A chemically amplified positive resist composition comprising the polymer as a base resin has high sensitivity, high resolution, a wide latitude of exposure, and process adaptability and forms resist patterns having plasma etching resistance and heat resistance.
摘要翻译：提供了包含式（1）的重复单元的聚合物，其中酚羟基和/或醇羟基和/或羧基的一些氢原子被酸不稳定基团取代。聚合物与由一些残留的醇羟基和/或羧基与链烯基醚化合物或卤代烷基醚化合物的反应产生的具有C-O-C键的交联基团交联。酸不稳定基团和交联基团的结合量平均为全部酚羟基，醇羟基和羧基的0摩尔％至80摩尔％以上。聚合物的Mw为1,000-500,000。 R1是H或甲基，R2是C1-C8烷基，R3是可以具有杂原子的二价C1-C18烃基，R4和R5是H或可以具有杂原子的一价C1-C18烃基，x和 y是满足x + y <5的整数，x'，y'和z'是满足x'+ y'+ z'= 5的整数，p，q和r是满足0

9. 发明授权

US5580936A Method for preparing partially tert-butoxylated poly(p-hydroxystyrene) 失效
标题翻译：部分叔丁氧基化聚（对羟基苯乙烯）
公开(公告)号：US5580936A
公开(公告)日：1996-12-03
申请号：US536119
申请日：1995-09-29
申请人： Junji Tsuchiya , Katsuya Takemura , Osamu Watanabe , Yoshihumi Takeda , Toshinobu Ishihara
发明人： Junji Tsuchiya , Katsuya Takemura , Osamu Watanabe , Yoshihumi Takeda , Toshinobu Ishihara
IPC分类号： C08F8/00 , C08F8/14 , C08F12/00 , C08F212/14 , G03F7/027
CPC分类号： C08F8/12 , C08F2800/20
摘要： A partially tert-butoxylated poly(p-hydroxystyrene) is prepared by subjecting poly(p-tert-butoxystyrene) to reaction of eliminating some of the tert-butoxy groups in an organic solvent at a temperature of 30.degree.-100.degree. C. in the presence of an acid catalyst at a molar ratio of acid catalyst/t-BuO group of from 0.050 to 2.0. During the elimination reaction, a change of solubility of the resulting partially tert-butoxylated poly(p-hydroxystyrene) is determined to calculate a degree of elimination of tert-butoxy groups. The reaction is terminated when a desired degree of elimination is reached. Through a simple process, partially tert-butoxylated poly(p-hydroxystyrene) having a well controlled t-BuO content is produced in high yields.
摘要翻译：通过使聚（对叔丁氧基苯乙烯）在有机溶剂中在30℃-100℃的温度下除去一些叔丁氧基进行反应来制备部分叔丁氧基化的聚（对羟基苯乙烯）酸催化剂/ t-BuO基团的摩尔比为0.050至2.0的酸催化剂的存在。在消除反应期间，测定所得部分叔丁氧基化聚（对羟基苯乙烯）的溶解度的变化，以计算叔丁氧基的消除程度。当达到所需的消除程度时，终止反应。通过简单的方法，产生具有良好控制的t-BuO含量的部分叔丁氧基化聚（对羟基苯乙烯），产率高。

10. 发明授权

US06022665A Polymers and chemically amplified positive resist compositions 失效
标题翻译：聚合物和化学增幅阳性抗蚀剂组合物
公开(公告)号：US06022665A
公开(公告)日：2000-02-08
申请号：US109084
申请日：1998-07-02
申请人： Osamu Watanabe , Yoshihumi Takeda , Junji Tsuchiya , Toshinobu Ishihara
发明人： Osamu Watanabe , Yoshihumi Takeda , Junji Tsuchiya , Toshinobu Ishihara
IPC分类号： C08F212/14 , G03C1/492
CPC分类号： C08F212/14 , Y10S430/115
摘要： The invention provides a novel polymer comprising a recurring unit of formula (1) wherein R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or acid labile group, at least one R.sup.2 being hydrogen and at least one R.sup.2 being an acid labile group, and n=2 or 3. The polymer's Mw is 3,000-300,000. Blending the polymer as a base resin with an organic solvent and a photoacid generator yields a chemically amplified positive resist composition. ##STR1##
摘要翻译：本发明提供一种包含式（1）的重复单元的新型聚合物，其中R 1是氢或甲基，R 2是氢或酸不稳定基团，至少一个R 2是氢，至少一个R 2是酸不稳定基团，n = 聚合物的Mw为3,000-300,000。将聚合物作为基础树脂与有机溶剂和光酸发生剂混合产生化学放大的正性抗蚀剂组合物。

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