摘要:
A semiconductor device includes a compound semiconductor layer, where the compound semiconductor layer includes separate fin patterns in separate regions. The separate fin patterns may include different materials. The separate fin patterns may include different dimensions, including one or more of width and height of one or more portions of the fin patterns. The separate fin patterns may include an upper pattern and a lower pattern. The upper pattern and the lower pattern may include different materials. The upper pattern and the lower pattern may include different dimensions. Separate regions may include separate ones of an NMOS or a PMOS. The semiconductor device may include gate electrodes on the compound semiconductor layer. Separate gate electrodes may intersect the separate fin patterns.
摘要:
Provided are a method and an apparatus for repairing a memory cell in a memory test system. A test device detects a fail address by testing a memory device according to a test command, and temporarily stores the fail address in a fail address memory (FAM). The fail address is transmitted to the memory device according to a fail address transmission mode, is temporarily stored in a temporary fail address storage of the memory device, and is then stored in an anti-fuse array, which is a non-volatile storage device. To secure the reliability of data, stored data can be read to verify the data and a verification result can be transmitted in series or in parallel to the test device.
摘要:
A semiconductor memory device includes a cell array and a refresh controller coupled to the cell array. The refresh controller is configured to insert at least one insertion refresh address in a first refresh address sequence based on address information about the cell array to generate a second refresh address sequence and to apply the second refresh address sequence to the cell array, such that selected cells may be refreshed more frequently without increasing an overall refresh rate.
摘要:
A method of operating a memory device includes masking at least one bank among a plurality of banks in response to a mode register writing command; and performing a refresh operation on a plurality of rows in one of unmasked banks in response to a first per-bank refresh command.
摘要:
Disclosed are a motor for a compressor and a hermetic compressor having the same. An aluminum coil cheaper than a copper coil is used in the motor for the compressor, a ratio between the aluminum coil and a stator core is set, and sectional areas of main and sub slot portions of the stator core and the numbers thereof are adjusted to be suitable for usage conditions, whereby fabricating costs of the motor for the compressor and the hermetic compressor can drastically be reduced and efficiencies thereof can be improved.
摘要:
The bit-line sense amplifier includes a driving-voltage control circuit and an amplifier. The driving-voltage control circuit generates a first test driving voltage having a voltage level of a pre-charge voltage, a second test driving voltage having a voltage level of a pre-charge voltage added by a voltage difference between a bit-line and a complementary bit-line, and a third test driving voltage having a voltage level of a pre-charge voltage subtracted by the voltage difference in a test mode. The amplifier senses and amplifies a voltage difference between the bit-line and the complementary bit-line.
摘要:
This invention relates to an improved method for stereoselectively preparing 2¢¥-deoxy-2¢¥,2¢¥-difluorocytidine of formula (I), which comprises the steps of reacting a 1-halo ribofuranose compound of formula (III) with a nucleobase of formula (IV) in a solvent to obtain a nucleoside of formula (II) with removing the silyl halide of formula (V) produced during the reaction; and deprotecting the nucleoside of formula (II) to obtain 2¢¥-deoxy-2¢¥,2¢¥-difluorocytidine of formula (I).
摘要:
The mutual salt of raloxifene and bisphosphonic acid exhibits unexpectedly synergistic effects of two components to enhance bone mineral density (BMD), control blood-calcium density, and lower the serum cholesterol level.
摘要:
The present invention relates to an ultrasound system comprising: an ultrasound diagnosis unit for providing ultrasound scanning information of a target object and stress information applied to the target object, the ultrasound diagnosis unit including a probe having a stress applying unit and a stress measuring sensor around a scan plane thereof; an elastic image processor for forming an elastic image based on the ultrasound scanning information and the stress information; and a display unit for displaying the elastic image.
摘要:
Disclosed is a method of charging a low temperature liquefied gas in a gaseous state in a high pressure charging cylinder using a pump. The method is advantageous in that it is possible to charge a low temperature liquefied gas which is to be made highly pure in a high pressure gas cylinder using a simple process in which purity is not changed and little energy is consumed during the charging of the liquefied gas.