摘要:
A photoresist coating composition that includes a compound represented by Formula 1 and an aqueous solvent, and a method for forming a fine pattern by coating the composition on a photoresist pattern to effectively reduce a size of a photoresist contact hole and a space, which can be applied to all semiconductor processes.
摘要:
A composition for coating a photoresist pattern which comprises water and a compound of Formula 1 is coated on a previously formed photoresist pattern, thereby reducing a size of a space or contact hole of photoresist pattern effectively. The method using the composition is applied to all semiconductor processes for forming a fine photoresist pattern. wherein R1 and R2 are individually selected from the group consisting of H, linear or branched C1-C20 alkyl, linear or branched C2-C20 alkyl containing an ester linkage, linear or branched C2-C20 alkyl containing a ketone linkage, linear or branched C2-C20 alkyl containing a carboxylic acid group, linear or branched C7-C20 alkyl phenyl and linear or branched C3-C20 alkyl containing a acetal linkage; m is an integer ranging from 0 to 3000; and n is an integer ranging from 10 to 3000.
摘要:
A cleaning solution for photoresist used to clean a semiconductor substrate in the final process after a developing step for formation of photoresist patterns, and a method for forming a photoresist pattern using the same. The cleaning solution for photoresist comprising a compound of Formula 1, an optional alcohol compound and water has a lower surface tension than that of distilled water used as a conventional cleaning solution. Therefore, when the disclosed cleaning solution is used to wash a semiconductor substrate in the final process after the developing step for formation of photoresist patterns, pattern collapse can remarkably be decreased. R{(OCH2CH2)l[O(CH2)mCH2]n}R′ Formula 1 wherein R and R′ are independently H, C1-C40 alkyl or C1-C40 alkyl aryl; l and n are independently integers ranging from 1 to 500; m is an integer ranging from 0 to 10; and the weight average molecular weight ranges from 100 to 50,000.
摘要:
Photoresist polymers and photoresist compositions are disclosed. A photoresist polymer represented by Formula 1 and a photoresist composition containing the same have excellent etching resistance, thermal resistance and adhesive property, and high affinity to an developing solution, thereby improving LER (line edge roughness). wherein X1, X2, X3, R1, R2, R3, R4, R5, m, n, o, a, b, c, d and e are as defined in the description.
摘要:
A method for reducing a photoresist pattern wherein, a photoresist film is formed, an aqueous composition comprising water and a surfactant is sprayed, and the pattern is treated by thermal energy to reduce the photoresist pattern uniformly and vertically, thereby improving an etching bias and enhancing process margins.
摘要:
A composition for coating a photoresist pattern includes water and a compound including a repeating unit represented by Formula 1. The composition is coated on a previously formed pattern, thereby effectively reducing a size of a space or contact hole of photoresist pattern. A method for forming a photoresist pattern using the composition is usefully applied to all semiconductor processes for forming a fine pattern. wherein R1 to R6, R′, R″ and n are defined in the specification.
摘要:
A liquid crystal display and method for driving the liquid crystal display are provided. The liquid crystal display includes a liquid crystal panel assembly including a plurality of gate lines, a plurality of data lines intersecting the gate lines, a plurality of switching elements connected to the gate lines and the data lines, a plurality of pixel electrodes connected to the switching elements, and a reference electrode opposing the pixel electrodes, a gate driver for applying gate signals to the gate lines to activate the switching elements, a data driver for applying data voltages that are be applied to the pixel electrodes to the data lines, and a reference voltage generator for generating first to third reference voltages to be respectively applied to first to third positions of the reference electrode, the first reference voltage being smaller than the third reference voltage and the third reference voltage being smaller than the second reference voltage, and the first position being closer to the gate driver than the third position and the third position being closer to the gate driver than the second position.
摘要:
Disclosed is a method for manufacturing a semiconductor device using an immersion lithography process comprising rapidly accelerating the rotation of a wafer after exposing and before developing steps to remove an immersion lithography solution, thereby effectively reducing water mark defects.
摘要:
Disclosed is a thin film transistor array panel. The panel includes a plurality of pixels arranged in the form of a matrix each with a pixel electrode and a switching element connected to the pixel electrode, and a plurality of gate lines connected to the switching elements and extending in the row direction. A pair of the gate lines are connected to pixels in each pixel row. A plurality of data lines are connected to the switching elements, and elongated in the column direction. Each data line is provided between two columns of the pixels. The respective data lines are horizontally bent between the two adjacent gate lines, and vertically extend between the two pixel rows.
摘要:
A liquid crystal display having two display surfaces includes a first substrate supporting a first thin film transistor array and a first color filter array, and a second substrate supporting a second color filter array facing the first thin film transistor array and a second thin film transistor facing the first color filter array, and a layer of liquid crystal material provided between the first and second substrates.