Abstract: A photosensitive polymer which maintains transparency even when exposed to a short-wavelength light source of 193 nm or below, exhibits improved adhesiveness to a substrate, improved contrast and improved resistance to dry etching. The photosensitive polymer includes a first monomer which is alicyclic hydrocarbon carboxylate having an acid-labile C6 to C20 tertiary alicyclic hydrocarbon group as a substituent, and a second monomer which is capable of free radical polymerization.

Abstract: There are provided a photosensitive polymer and a photoresist compositing containing the same. The photosensitive polymer is represented by the following formula: wherein R1 is an acid-labile tertiary alkyl ester group, R2 is hydrogen atom, methyl, ethyl, carboxyl, &ggr;-butyrolactone-2-yl ester, &ggr;-butyrolactone-3-yl ester, pantolactone-2-yl ester, mevalonic lactone ester, 3-tetrahydrofuranyl ester, 2,3-propylenecarbonate-1-yl ester, 3-methyl-&ggr;-butyrolactone-3-yl ester or C3 to C20 alicyclic hydrocarbon, a/(a+b+c) is 0.1˜0.7, b/(a+b+c) is 0.1˜0.8, c/(a+b+c) is 0.0˜0.8, and n is an integer in the range of 0 to 2.

Abstract: A photosensitive polymer having a main chain consisting of only norbornene-type alicyclic units, a resist composition containing the photosensitive polymer and a preparation method thereof, wherein the photosensitive polymer is represented by the following formula: wherein R1 is an acid-labile tertiary alkyl group, R2 is &ggr;-butyrolactone-2-yl, &ggr;-butyrolactone-3-yl, pantolactone-2-yl, mevalonic lactone, 3-tetrahydrofuranyl, 2,3-propylenecarbonate-1-yl or 3-methyl-&ggr;-butyrolactone-3-yl, R3 is a hydrogen atom, methyl, ethyl or C3 to C20 alicyclic hydrocarbon, and p/(p+q+r) is 0.1˜0.8, q/(p+q+r) is 0.2˜0.8, and r/(p+q+r) is 0.0˜0.4. To prepare the photosensitive polymer, at least two different norbornene-type compounds having an ester group as a substituent are reacted in the presence of an initiator at a temperature of about 120 to about 150 ° C. without a reaction catalyst.

Abstract: An interface control apparatus for a frame buffer including a byte swapping/sampling controller connected between the PCI host bus and a FIFO (First In First Out) for performing a data conversion between a big Endian data and a little Endian data or a data conversion between a system data and a user data, a byte conversion/view selection controller connected between the FIFO and the SRAM for converting a pixel data stored in the FIFO from a 8 bit-1 byte data to a 9 bit-1 byte data in accordance with a view selected or converting a pixel data stored in the SRAM from a 9 bit-1 byte data into a 8 bit-1 byte in accordance with a view selected, a RAC for controlling a transmission of a pixel data between the SRAM and the RAM but DRAM, and a display controller for receiving a pixel data outputted from the RAM bus DRAM through the RAC and outputting to the RAMDAC through the display bus, for thereby concurrently performing a pixel data conversion between a big Endian and a little Endian and a pixel data conversion f

Abstract: A photosensitive polymer having a main chain consisting of only norbornene-type alicyclic units, a resist composition containing the photosensitive polymer and a preparation method thereof, wherein the photosensitive polymer is represented by the following formula: 1

Abstract: A system and method for controlling a data flow between data buses having different characteristics includes a first bus, a first interface coupled to the first bus, a second bus, a second interface coupled to the second bus, a byte selection unit coupled to the first and second interfaces and transferring data from the first interface to the second interface, or from the second interface to the first interface according to a control signal, and a byte selection control unit storing a plurality of byte selection data and generating at least one of the plurality of byte selection data to the byte selection unit as the control signal. Each byte selection data representing a predetermined byte location.

Abstract: A data transmission system between two system buses and a method therefor are capable of bi-directionally transmitting data between two bus systems whose word widths are different. The data word from a first system bus is converted to a data word width of a second system bus, and the converted data is outputted to the second system. The data word from the second system bus is converted to a data word width of the first system bus, and the converted data is outputted to the first system. The data transmission system includes first and second system interfaces, first and second FIFO buffers, first and second FIFO controllers, first and second latches, and first and second selectors correspondingly coupled between the first and second system buses to allow bi-directional transfer of data.