摘要:
An acid-amplifier having an acetal group and a photoresist composition including the same, are disclosed. The acid-amplifier produces an acid (second acid) during a post-exposure-bake (PEB), which is induced by an acid (first acid) generated from a photo-acid generator (PAG) at the exposure process so that a line edge roughness (LER) of the photoresist pattern and photoresist energy sensitivity are improved. The acid-amplifier has a structure of following Formula 1. in Formula 1, R is C4˜C20 mono-cyclic or multi-cyclic saturated hydrocarbon, R1 is C1˜C10 linear hydrocarbon, C1˜C10 perfluoro compound or C5˜C20 aromatic compound, Ra and Rb are independently hydrogen atom or C1˜C4 saturated hydrocarbon and A is independently oxygen atom (0) or sulfur atom (S).
摘要:
An acid-amplifier having an acetal group and a photoresist composition including the same, are disclosed. The acid-amplifier produces an acid (second acid) during a post-exposure-bake (PEB), which is induced by an acid (first acid) generated from a photo-acid generator (PAG) at the exposure process so that a line edge roughness (LER) of the photoresist pattern and photoresist energy sensitivity are improved. The acid-amplifier has a structure of following Formula 1. in Formula 1, R is C4˜C20 mono-cyclic or multi-cyclic saturated hydrocarbon, R1 is C1˜C10 linear hydrocarbon, C1˜C10 perfluoro compound or C5˜C20 aromatic compound, Ra and Rb are independently hydrogen atom or C1˜C4 saturated hydrocarbon and A is independently oxygen atom (O) or sulfur atom (S).
摘要:
A photosensitive compound whose size is smaller than conventional polymer for photoresist, and which has well-defined (uniform) structure, and a photoresist composition including the same are disclosed. The photosensitive compound represented by the following formula. Also, the present invention provides a photoresist composition comprising 1 to 85 wt % (weight %) of the photosensitive compound; 0.05 to 15 weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and 10 to 5000 weight parts of an organic solvent. In the formula, n is 0 or 1, x is 1, 2, 3, 4 or 5, y is 2, 3, 4, 5 or 6, z is 0, 1, 2, 3 or 4, R, R′ and R″ are independently hydrocarbon group of 1 to 30 carbon atoms, preferably 2 to 20 carbon atoms, and R′″ is a hydrogen atom or hydrocarbon group of 1 to 30 carbon atoms, preferably 2 to 20 carbon atoms.
摘要:
In the formation of a fine pattern using a photolithography process, a dissolution promoter which can increase the difference of solubility between exposed region and unexposed region, and a photoresist composition including the same are disclosed. The dissolution promoter has the structure of the following formula (wherein, R is a hydrocarbon group of 1 to 40 carbon atoms, A is an alkyl group of 1 to 10 carbon atoms, p is 0 or 1, and q is an integer of 1 to 20). Moreover, the photoresist composition comprises 3 to 30 wt % (weight %) of the photosensitive compound; 1 to 30 weight parts of a dissolution promoter represented by the formula, with respect to 100 weight parts of the photosensitive compound; 0.05 to weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and a remaining organic solvent.
摘要:
A photosensitive compound whose size is smaller than conventional polymer for photoresist, and which has well-defined (uniform) structure, and a photoresist composition including the same are disclosed. The photosensitive compound represented by the following formula 1. Also, the photoresist composition comprises 1 to 85 wt % (weight %) of the photosensitive compound; 0.05 to 15 weight parts of a photo-acid generator with respect to 100 weight parts of the photosensitive compound; and 200 to 5000 weight parts of an organic solvent. In the formula 1, x is 1, 2, 3, 4 or 5, y is 2, 3, 4, 5 or 6, and R and R′ are independently a chain type or a ring type of aliphatic or aromatic hydrocarbon group of 1 to 30 carbon atoms.
摘要:
Disclosed are a photosensitive compound containing oxime group which is directly decomposed by exposure to light, which is a molecular resist whose size is smaller than conventional polymer for photoresist, and a photoresist composition including the same. The photosensitive molecular compound has a structure represented by a following formula. In Formula, R1 is hydrogen atom or methyl group (CH3); Ra and Rb each is independently alkyl group of 1-6 carbon atoms, alkylcarbonyl group of 2-7 carbon atoms, aryl group of 6-10 carbon atoms or arylcarbonyl group of 7-11 carbon atoms, and Ra and Rb form one group as an united body, alkyl or cycloalkyl group of 1-20 carbon atoms or arylalkyl group of 7-20 carbon atoms which are doubly bonded to nitrogen atom.
摘要:
Disclosed are a photo-sensitive compound and a photoresist composition containing the same, for forming ultra-fine photoresist patterns. The photo-sensitive compound is resented by following Formula 1, wherein x is an integer of 1 to 5, y is an integer of 2 to 6, R is a C2˜C20 hydrocarbon group. The photoresist composition comprises 1˜85 weight % of a photo-sensitive compound represented by following Formula 1, 1˜55 weight % of a compound which reacts with a hydroxyl group (—OH) of the compound represented by Formula 1 to combine with the photo-sensitive compound represented by Formula 1; 1˜15 weight % of a photo-acid generator; and 12˜97 weight % of an organic solvent.
摘要:
Disclosed is a method for manufacturing fine patterns of semiconductor devices using a double exposure patterning process for manufacturing the second photoresist patterns by simply exposing without an exposure mask. The method comprises the steps of: forming a first photoresist pattern on a semiconductor substrate on which a layer to be etched is formed; coating a composition for a mirror interlayer on the first photoresist pattern to form a mirror interlayer; forming a photoresist layer on the resultant; and forming a second photoresist pattern which is made by a scattered reflection of the mirror-interlayer and positioned between the first photoresist patterns, by exposing the photoresist layer to a light having energy which is lower than a threshold energy (Eth) of the photoresist layer without an exposure mask, and then developing the same.
摘要:
Disclosed are a photosensitive compound containing oxime group which is directly decomposed by exposure to light, which is a molecular resist whose size is smaller than conventional polymer for photoresist, and a photoresist composition including the same. The photosensitive molecular compound has a structure represented by a following formula. In Formula, R1 is hydrogen atom or methyl group (CH3); Ra and Rb each is independently alkyl group of 1-6 carbon atoms, alkylcarbonyl group of 2-7 carbon atoms, aryl group of 6-10 carbon atoms or arylcarbonyl group of 7-11 carbon atoms, and Ra and Rb form one group as an united body, alkyl or cycloalkyl group of 1-20 carbon atoms or arylalkyl group of 7-20 carbon atoms which are doubly bonded to nitrogen atom.
摘要:
Disclosed is a method for manufacturing fine patterns of semiconductor devices using a double exposure patterning process for manufacturing the second photoresist patterns by simply exposing without an exposure mask. The method comprises the steps of: forming a first photoresist pattern on a semiconductor substrate on which a layer to be etched is formed; coating a composition for a mirror interlayer on the first photoresist pattern to form a mirror interlayer; forming a photoresist layer on the resultant; and forming a second photoresist pattern which is made by a scattered reflection of the mirror-interlayer and positioned between the first photoresist patterns, by exposing the photoresist layer to a light having energy which is lower than a threshold energy (Eth) of the photoresist layer without an exposure mask, and then developing the same.