Abstract:
A positive resist composition comprising 1,2-quinonediazide compound and, as an alkali-soluble resin, an alkali-soluble resin (A) which comprises a resin (I) obtainable through a condensation reaction of a mixture of m-cresol, 2,3,5-trimethylphenol and optionally p-cresol with an aldehyde and a low molecular weight novolak (II) having a weight average molecular weight of 200 to 2000 as converted to polystyrene, an alkali-soluble resin (B) which comprises a resin (I) and a compound of the general formula (III): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are respectively a C.sub.1 -C.sub.5 alkyl group or a C.sub.1 -C.sub.5 alkoxy group, 1, m and n are respectively a number of 0 to 3, R' is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, or an alkali-soluble resin (C) which comprises a resin (IV) obtainable through a condensation reaction of a mixture of m-methoxyphenol and 2,3,5-trimethylphenol in a molar ratio of 80:20 to 30:70 with an aldehyde, which has good sensitivity, improved resolution and heat resistance.
Abstract:
A positive resist composition comprising 1,2-quinonediazide compound and, as an alkali-soluble resin, an alkali-soluble resin (A) which comprises a resin (I) obtainable through a condensation reaction of a mixture of m-cresol, 2,3,5-trimethylphenol and optionally p-cresol with an aldehyde and a low molecular weight novolak (II) having a weight average molecular weight of 200 to 2000 as converted to polystyrene, an alkali-soluble resin (B) which comprises a resin (I) and a compound of the general formula (III): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are respectively a C.sub.1 -C.sub.5 alkyl group or a C.sub.1 -C.sub.5 alkoxy group, l, m and n are respectively a number of 0 to 3, R' is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, or an alkali-soluble resin (C) which comprises a resin (IV) obtainable through a condensation reaction of a mixture of m-methoxyphenol and 2,3,5-trimethylphenol in a molar ratio of 80:20 to 30:70 with an aldehyde, which has good sensitivity, improved resolution and heat resistance.
Abstract:
A styryl compound of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.11 are the same or different and a hydrogen atom, an optionally substituted alkyl, alkenyl or aralkyl group or R.sub.1 and R.sub.2 may form a ring together with the nitrogen atom to which they are bonded, which ring may include at least one hetero atom in addition to said nitrogen atom; R.sub.10 is an optionally substituted alkylene group; R.sub.3 is --OH, --OCOR.sub.5 or --OSi(R.sub.5).sub.3 in which R.sup.5 is an alkyl group; R.sub.12 and R.sub.13 are independently a hydrogen atom, an optionally substituted lower alkyl or alkoxy group, an amide group or a halogen atom; X, Y, W and Z are the same or different and an electron attracting group, and n is a number of 2-15, which is suitable as a light absorber in a photoresist composition.
Abstract:
A positive resist composition which comprises, in admixture, an alkali-soluble resin; at least one quinone diazide sulfonate of a polyhydric phenol compound of the formula: ##STR1## wherein R.sub.1 to R.sub.5 are independently a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group or an aryl group, provided that at least one of R.sub.1 and R.sub.2 is an alkyl group, an alkenyl group, a cycloalkyl group or an aryl group; anda quinone diazide sulfonate of a phenol compound of the formula ##STR2## wherein R.sub.6 to R.sub.10 are independently a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group or an aryl group, provided that at least one of R.sub.6 and R.sub.7 is an alkyl group, an alkenyl group, a cycloalkyl group or an aryl group.
Abstract:
A photoresist composition which comprises a compound of the general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent a hydrogen atom, a hydroxyl group, --OCOR.sub.4, --O--R.sub.5, --OSi(R.sub.6).sub.3, a halogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted phenyl group or an optionally substituted aralkyl group; R.sub.4, R.sub.5 and R.sub.6 represent an optionally substituted lower alkyl group or an optionally substituted phenyl group; X and Y are the same or different and represent --CN, --COOR.sub.7, --CONR.sub.8 R.sub.9, ##STR2## R.sub.7 represents an alkyl group; R.sub.8 and R.sub.9 are the same or different and represent a hydrogen atom, an optionally substituted alkyl or phenyl group; R.sub.10 represents a hydrogen atom, an optionally substituted alkyl group or a hydroxyl group; and a is a number of 1 to 2, which is suitable for forming fine patterns having high resolution on a substrate having high reflectance.
Abstract translation:一种光致抗蚀剂组合物,其包含以下通式的化合物:其中R 1,R 2和R 3相同或不同,表示氢原子,羟基,-OCOR 4,-O-R 5,-OSi( R6)3,卤素原子,任选取代的烷基,任选取代的烯基,任选取代的苯基或任选取代的芳烷基; R4,R5和R6表示任选取代的低级烷基或任意取代的苯基; X和Y相同或不同,表示-CN,-COOR 7,-CONR 8 R 9,R 7表示烷基; R8和R9相同或不同,表示氢原子,任意取代的烷基或苯基; R 10表示氢原子,任选取代的烷基或羟基; a为1〜2,适合于在高反射率的基板上形成分辨率高的精细图案。
Abstract:
A resist composition comprising an alkali-soluble resin, a 1,2-quinone diazide compound and a compound of the general formula (I): ##STR1## wherein Z is an oxygen or sulfur atom or a group of the formula: >N--R.sub.4 in which R.sub.4 is a hydrogen atom or an alkyl group; R.sub.1, R.sub.2 and R.sub.3 are the same or different and independently a hydrogen atom, a substituted or unsubstituted alkyl group, a halogen atom, a hydroxyl group, a cyano group or a group of the formula: --OCOR" in which R" is a substituted or unsubstituted alkyl group; and X and Y are independently a cyano group or a group of the formula: ##STR2## --COOR or --CONHR' in R is an alkyl group and R' is a hydrogen atom or an aryl group, which is suitable for the formation of very fine patterns on a substrate having a high reflectance.
Abstract:
A photoresist composition which includes a sensitizing compound, a resin and, as a light absorber, a styryl compound of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.11 are the same or different and a hydrogen atom, an optionally substituted alkyl, alkenyl or aralkyl group or R.sub.1 and R.sub.2 may form a ring together with the nitrogen atom to which they are bonded, which ring may include at least one hetero atom in addition to said nitrogen atom; R.sub.10 is an optionally substituted alkylene group; R.sub.3 is --OH, --OCOR.sub.5 or --OSi(R.sub.5).sub.3 in which R.sup.5 is an alkyl group; R.sub.12 and R.sub.13 are independently a hydrogen atom, an optionally substituted lower alkyl or alkoxy group, an amide group or a halogen atom; X, Y, W and Z are the same or different and an electron attracting group, and n is a number of 2-15.
Abstract translation:一种光致抗蚀剂组合物,其包含敏化化合物,树脂和作为光吸收剂的下式的苯乙烯基化合物:其中R 1,R 2和R 11(ⅰ)或其中R 1,R 2和R 11 相同或不同,氢原子,任选取代的烷基,烯基或芳烷基或R 1和R 2可以与它们所键合的氮原子一起形成环,该环除了含有至少一个杂原子 所述氮原子; R 10是任选取代的亚烷基; R3是-OH,-OCOR5或-OSi(R5)3,其中R5是烷基; R 12和R 13独立地为氢原子,任选取代的低级烷基或烷氧基,酰胺基或卤素原子; X,Y,W和Z相同或不同,为吸电子基团,n为2-15个数。
Abstract:
A positive resist composition containing, in admixture, an alkali-soluble resin, a quinone diazide compound and a mixed solvent of ethyl lactate and at least one solvent selected from the group consisting of (a) n-amyl acetate and (b) 2-heptanone in a weight ratio of 5:95 to 80:20, which composition has a good coating properties and provides an improved profile and a large depth of focus.
Abstract:
A radiation sensitive compound prepared by reacting a phenol compound with a quinone diazide sulfonyl halide in a mixture of a solvent having a relative dielectric constant of not larger than 10 and a solvent having a relative dielectric constant of at least 15, which compound is less colored and gives a positive resist composition having a good resolution.
Abstract:
A positive resist composition comprising, in admixture, an alkali-soluble resin, a quinone diazide compound and a mixed solvent of (B) at least one organic solvent selected from the group consisting of &ggr;-butyrolactone, 3-methoxybutanol and cyclohexanone and (A) an organic solvent other than the solvents (B) which does not have simultaneously an alkylcarbonyl group and an alkoxy group in a molecule and has a boiling point of from 140 to 180° C. under atmospheric pressure (B), which composition has a large &ggr;-value and provides an improved profile and a large depth of focus.