Abstract: One aspect of the present invention provides a stretching apparatus for manufacturing a separator including a first stretching machine and a second stretching machine arranged in parallel with each other, in which the first stretching machine includes a plurality of first unit sections having different stretching ratios, and the second stretching machine includes a plurality of second unit sections having different stretching ratios, the overall stretching ratio by each of the first stretching machine and the second stretching machine is the same each other, and at least one stretching ratio of the first unit section and at least one stretching ratio of the second unit section are different from each other and a method of manufacturing a separator using the same.

Abstract: Embodiments of the present disclosure relate to a system and an operating method of the system. Based on some embodiments of the disclosed technology, the system may include a random access memory structured to include memory cells to store data, a cache memory configured to cache at least part of the data, and a processor in communication with the random access memory and the cache memory to access at least part of the data from the random access memory or cache memory. The system may determine a cache hit ratio for the cache memory, and may set an operating frequency of the random access memory based on the cache hit ratio.

Abstract: A controller includes: a host interface providing a host with reception ready signals corresponding to a threshold value in response to a program command; and a processor performing a training operation to determine an optimal value for the threshold value, wherein the processor includes: an outstanding ready-to-transfer (RTT) value selector selecting one value in a range from a minimum value to a maximum value as the threshold value; a time measurer providing the host with the reception ready signals that are selected corresponding to the threshold value and measuring a reception time of data corresponding to each of the selected reception ready signals; a normalizer normalizing the reception times to generate normalized times that are measured for values ranging from the minimum value to the maximum value; and an optimal outstanding RTT value determiner determining the threshold value corresponding to a minimum normalization time as the optimal value.

Abstract: A storage device having an improved operation speed includes a memory device and a memory controller for controlling the memory device. The memory controller includes: a Device-To-Host (DTH) information generator configured to generate DTH information to be transferred to a host, a host memory accessor configured to provide the host with the DTH information received from the DTH information generator and an interrupt signal generator configured to output, to the host, an interrupt signal notifying that the DTH information has been provided to the host, based on a request from the host memory accessor.

Abstract: A controller suitable for controlling a semiconductor memory device includes a pattern determination circuit configured to determine a pattern information of data corresponding to a command received from a host. The controller includes a map cache management circuit configured to determine a target map table entry among map table entries of a map table based on the pattern information, and store, when the target map table entry does not exist in a map cache which stores some among the map table entries, the target map table entry in the map cache. The controller includes an entry eviction circuit configured to evict some among map table entries stored in the map cache, when storing the target map table entry in the map cache.

Abstract: An embodiment of the present invention provides a coating composition comprising a composite in which a dissociated natural polymer compound is bound onto at least a portion of the surface of acrylic polymer particles.

Abstract: An outdoor unit of an air conditioner having an improved structure to efficiently cool a heating unit of electronic parts therein, a cooling unit applied to the outdoor unit, and a method for manufacturing the cooling unit are provided. The outdoor unit of an air conditioner includes a case, a compressor for compressing a refrigerant, a condenser for condensing a refrigerant discharged from the compressor, electronic parts arranged in the case; and a cooling unit arranged to cool the electronic parts, wherein the cooling unit comprises a heat radiation member arranged to receive and cool down heat produced from the electronic parts, and to come into contact with at least a part of a cooling pipe in which the refrigerant flows, and a plurality of heat transfer fins formed at least some part of the heat radiation member.

Abstract: A controller includes: a host interface providing a host with reception ready signals corresponding to a threshold value in response to a program command; and a processor performing a training operation to determine an optimal value for the threshold value, wherein the processor includes: an outstanding ready-to-transfer (RTT) value selector selecting one value in a range from a minimum value to a maximum value as the threshold value; a time measurer providing the host with the reception ready signals that are selected corresponding to the threshold value and measuring a reception time of data corresponding to each of the selected reception ready signals; a normalizer normalizing the reception times to generate normalized times that are measured for values ranging from the minimum value to the maximum value; and an optimal outstanding RTT value determiner determining the threshold value corresponding to a minimum normalization time as the optimal value.

Abstract: A controller suitable for controlling a semiconductor memory device includes a pattern determination circuit configured to determine a pattern information of data corresponding to a command received from a host. The controller includes a map cache management circuit configured to determine a target map table entry among map table entries of a map table based on the pattern information, and store, when the target map table entry does not exist in a map cache which stores some among the map table entries, the target map table entry in the map cache. The controller includes an entry eviction circuit configured to evict some among map table entries stored in the map cache, when storing the target map table entry in the map cache.

Abstract: A storage device having an improved operation speed includes a memory device and a memory controller for controlling the memory device. The memory controller includes: a Device-To-Host (DTH) information generator configured to generate DTH information to be transferred to a host, a host memory accessor configured to provide the host with the DTH information received from the DTH information generator and an interrupt signal generator configured to output, to the host, an interrupt signal notifying that the DTH information has been provided to the host, based on a request from the host memory accessor.

Abstract: A heat exchanger fixing structure, for two or more heat exchangers bent in multiple layers, includes two or more plates respectively fixed to one ends of the two or more heat exchangers, wherein portions of the two or more plates may overlap each other, and the two or more heat exchangers are connected and fixed to each other by fastening a fastening member to the overlapping portions.

Abstract: A heat exchanger fixing structure, for two or more heat exchangers bent in multiple layers, includes two or more plates respectively fixed to one ends of the two or more heat exchangers, wherein portions of the two or more plates may overlap each other, and the two or more heat exchangers are connected and fixed to each other by fastening a fastening member to the overlapping portions.

Abstract: A data storage device includes a processor and a non-volatile memory. The processor compares a data processing size of a first command received from the host at a first time point with a reference size and divides the first command into a plurality of sub-commands when the data processing size is greater than the reference size. The data storage device further includes a memory that includes a first queue and a second queue.

Abstract: An air conditioner is provided. The air conditioner, which comprises a compressor, an outdoor heat exchanger, an indoor heat exchanger, a four-way valve, an accumulator, and an oil separator, and cools or heats a room by circulating a refrigerant. The air conditioner comprises a first block which is disposed on a first channel of the refrigerant between the oil separator and the four-way valve, and the first block is modular and includes a plurality of first control parts, and a second block which is disposed on a second channel of the refrigerant between the outdoor heat exchanger and the indoor heat exchanger, and the second block is modular and includes a plurality of second control parts.

Abstract: A storage device includes a storage medium and a controller configured to control the storage medium. The controller includes an interface unit configured to interface with a host, a processing unit connected to the interface unit via a first signal line and configured to process a direct load operation and a direct store operation between the host and the controller, and at least one memory connected to the interface unit via a second signal line. The at least one memory is configured to temporarily store data read from the storage medium or data received from the host, and is configured to be directly accessed by the host.

Abstract: A storage device includes a storage medium and a controller configured to control the storage medium. The controller includes an interface unit configured to interface with a host, a processing unit connected to the interface unit via a first signal line and configured to process a direct load operation and a direct store operation between the host and the controller, and at least one memory connected to the interface unit via a second signal line. The at least one memory is configured to temporarily store data read from the storage medium or data received from the host, and is configured to be directly accessed by the host.

Abstract: Embodiments of the present disclosure relate to an outdoor unit of an air conditioner configured to cool a heating unit by making contact with the heating unit, a cooling unit applied thereto, and a method for manufacturing the cooling unit. An outdoor unit of an air conditioner comprises a compressor configured to compress refrigerant; a condenser configured to condense the refrigerant discharged from the compressor; a control box provided with an electronic component configured to control an outdoor unit of an air conditioner; and a cooling unit configured to cool a heating unit by making contact with the heating unit of the electronic component, wherein the cooling unit comprises a heat radiating member having one side thereof make contact with the heating unit; and a refrigerant pipe extended by penetrating through the heat radiating member and in which refrigerant is moved.

Abstract: A heat exchanger fixing structure, for two or more heat exchangers bent in multiple layers, includes two or more plates respectively fixed to one ends of the two or more heat exchangers, wherein portions of the two or more plates may overlap each other, and the two or more heat exchangers are connected and fixed to each other by fastening a fastening member to the overlapping portions.

Abstract: Embodiments of the present disclosure relate to an outdoor unit of an air conditioner configured to cool a heating unit by making contact with the heating unit, a cooling unit applied thereto, and a method for manufacturing the cooling unit. An outdoor unit of an air conditioner comprises a compressor configured to compress refrigerant; a condenser configured to condense the refrigerant discharged from the compressor; a control box provided with an electronic component configured to control an outdoor unit of an air conditioner; and a cooling unit configured to cool a heating unit by making contact with the heating unit of the electronic component, wherein the cooling unit comprises a heat radiating member having one side thereof make contact with the heating unit; and a refrigerant pipe extended by penetrating through the heat radiating member and in which refrigerant is moved.

Abstract: An outdoor unit of an air conditioner having an improved structure to efficiently cool a heating unit of electronic parts therein, a cooling unit applied to the outdoor unit, and a method for manufacturing the cooling unit are provided. The outdoor unit of an air conditioner includes a case, a compressor for compressing a refrigerant, a condenser for condensing a refrigerant discharged from the compressor, electronic parts arranged in the case; and a cooling unit arranged to cool the electronic parts, wherein the cooling unit comprises a heat radiation member arranged to receive and cool down heat produced from the electronic parts, and to come into contact with at least a part of a cooling pipe in which the refrigerant flows, and a plurality of heat transfer fins formed at least some part of the heat radiation member.