Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.

Abstract: The present disclosure relates to a medium composition for r25/eprogramming induced pluripotent stem cells, containing an Ecklonia cava extract. Also, the present disclosure relates to a method for manufacturing induced pluripotent stem cells by using the medium composition. When the medium composition according to the present disclosure is used, induced pluripotent stem cells can be efficiently produced using adipose-derived mesenchymal stem cells safely and easily. The manufactured pluripotent stem cells are differentiable into various cells, and thus can be favorably used as a cell therapeutic agent.

Abstract: A storage device is disclosed. The storage device may comprise storage for input encoded data. A controller may process read requests and write requests from a host computer on the data in the storage. An in-storage compute controller may receive a predicate from the host computer to be applied to the input encoded data. A transcoder may include an index mapper to map an input dictionary to an output dictionary, with one entry in the input dictionary mapped to an entry in the output dictionary, and another entry in the input dictionary mapped to a “don't care” entry in the output dictionary.

Abstract: Disclosed are a composition for a radar penetration cover of a vehicle which may improve dielectric properties while maintaining excellent mechanical physical properties, and the radar penetration cover including the same. The composition for a radar penetration cover includes: an amount of about 60 to 70 wt % of polybutylene terephthalate (PBT), an amount of about 10 to 20 wt % of polycarbonate (PC), and an amount of about 11.5 to 27.8 wt % of an additive including polypropylene (PP) having maleic anhydride (MAH) grafted to an end group and a glass fiber (GF), wt % based on the total weight of the composition.

Abstract: Provided is a method of database management, the method including identifying an attribute of a metadata table causing increased input/output overhead associated with accessing the metadata table, and dividing the metadata table into one or more submetadata tables to reduce or eliminate the attribute, or to isolate the attribute to one of the submetadata tables.

Abstract: Provided is a key value store for storing data to a storage device, the key value store being configured to insert a key and key information, which includes a device key, a value size, a sequence number, and another attribute of the key, into an unsorted queue after storing a key value block in the storage device, insert the key and the key information into, or update the key and the key information in, a sorted metadata table, insert the key information corresponding to the key, and including a key information table ID and an offset of the key information, into a key information table, write the key information table to a storage device, and write the sorted metadata table as an eviction candidate to the storage device.

Abstract: The present invention relates to a BLDC motor integrated with an inverter, having a motor and an inverter part that are integrally formed, and to a BLDC motor integrated with an inverter, having an improved arrangement of switching elements mounted on a PCB substrate of an inverter part and three phase terminals of a stator coil such that the inverter part including the PCB substrate can be compactly formed.

Abstract: Provided is a method of data storage, the method including receiving a write request including a user key, determining the user key exists in a cache, generating or updating metadata corresponding to the user key, writing data corresponding to the write request to a storage device, converting the metadata to a device format corresponding to the storage device, and storing the metadata on the storage device

Abstract: A transcoder is disclosed. The transcoder may comprise a buffer to store input encoded data. An index mapper may map an input dictionary to an output dictionary. A current encode buffer may store a modified current encoded data, which may be responsive to the input encoded data, the input dictionary, and the map from the input dictionary to the output dictionary. A previous encode buffer may store a modified previous encoded data, which may be responsive to the input encoded data, the input dictionary, and the map from the input dictionary to the output dictionary. A rule evaluator may generate an output stream responsive to the modified current encoded data in the current encode buffer, the modified previous encoded data in the previous encode buffer, and transcoding rules.

Abstract: The present disclosure relates to a motor rotor control device and method capable of reducing noise caused by the alignment of a motor rotor, and securing stability of staring a motor. The motor rotor control device in accordance with an embodiment of the present disclosure includes a motor having a rotor; an inverter for supplying a three-phase alternating-current voltage to the motor; and a control unit for estimating the initial location of the rotor upon the initial driving of the motor, correcting the location of the rotor by a predetermined angle from the estimated initial location, and then driving the motor.

Abstract: A transcoder is disclosed. The transcoder may comprise a buffer to store input encoded data. An index mapper may map an input dictionary to an output dictionary. A current encode buffer may store a modified current encoded data, which may be responsive to the input encoded data, the input dictionary, and the map from the input dictionary to the output dictionary. A previous encode buffer may store a modified previous encoded data, which may be responsive to the input encoded data, the input dictionary, and the map from the input dictionary to the output dictionary. A rule evaluator may generate an output stream responsive to the modified current encoded data in the current encode buffer, the modified previous encoded data in the previous encode buffer, and transcoding rules.

Abstract: The present disclosure relates to a system and method for controlling multiple devices through a federated reinforcement learning, in more detail, in case of performing the reinforcement learnings for controlling each of a plurality of devices in each of the plurality of devices, provided a system and method for controlling multiple devices through the federated reinforcement learning to be able to precisely control the plurality of devices using the reinforcement learning result as well as to finish the reinforcement learning at high speed, by performing a coalition of the reinforcement learning in the plurality of device controllers, through a gradient sharing process shared with the plurality of device controllers by averaging the gradients for each of the reinforcement learnings and a learning parameter transfer process transferring the learning parameter of a particular device controller that a reinforcement learning is terminated first through the gradient sharing process to at least one device controll

Abstract: A method of manufacturing a non-volatile memory device includes forming a gate insulation layer on a semiconductor substrate having a source layer. The method also includes forming a silicon nitride layer having a buffer-treated upper surface on the gate insulation layer, wherein the buffer-treated upper surface of the silicon nitride layer has a hardness higher than a hardness of the silicon nitride layer. The method further includes forming a silicon oxide layer on the buffer-treated upper surface of the silicon nitride layer. The method additionally includes alternately forming additional silicon nitride layers and additional silicon oxide layers on the silicon oxide layer to form a stack structure.

Abstract: A method for fabricating the three dimensional (3D), non-volatile memory (NVM) device includes: forming a stacked structure including a plurality of interlayer insulating layers and a plurality of first material layers which are alternately stacked; forming at least one channel hole penetrating through the stack structure; forming a second material layer along the at least one channel hole; trimming a surface of the second material layer; oxidizing a whole of the trimmed second material layer to form at least a portion of a charge blocking layer; and forming a charge storage layer and a tunnel insulating layer over the charge blocking layer.

Abstract: Disclosed is a semiconductor device with improved electrical characteristics and a method for fabricating the same, and the method may include forming an alternating stack in which dielectric layers and sacrificial layers are alternately stacked on a substrate, forming a first through portion in the alternating stack, etching first portions of the sacrificial layers through the first through portion, to form lateral recesses between the dielectric layers, forming charge trapping layers isolated in the lateral recesses, forming a second through portion by etching the alternating stack in which second portions of the sacrificial layers remain, removing the second portions of the sacrificial layers through the second through portion, to form gate recesses that expose non-flat surfaces of the charge trapping layers, flattening the non-flat surfaces of the charge trapping layers, and forming a gate electrode that fills the gate recesses.

Abstract: Provided is a method of database management, the method including locating, with a recovery logic, a first metadata table using a beginning metadata table key, reading, by the recovery logic, the first metadata table, retrieving, with the recovery logic, a first next metadata table key of the first metadata table, locating, by the recovery logic, a second metadata table based on the first next metadata table key or based on a third next metadata table key of a third metadata table having a third metadata table range between a first metadata table range of the first metadata table and a second metadata table range of the second metadata table, reading, by the recovery logic, the second metadata table, determining, by the recovery logic, the second metadata table lacks valid keys in the second metadata table range, and making available, by the recovery logic, memory space associated with the second metadata table.

Abstract: The present disclosure relates to a motor rotor control device and method capable of reducing noise caused by the alignment of a motor rotor, and securing stability of staring a motor. The motor rotor control device in accordance with an embodiment of the present disclosure includes a motor having a rotor; an inverter for supplying a three-phase alternating-current voltage to the motor; and a control unit for estimating the initial location of the rotor upon the initial driving of the motor, correcting the location of the rotor by a predetermined angle from the estimated initial location, and then driving the motor.

Abstract: Provided is a system and method for searching for a target key in a database, the method including populating a hash-offset table of a sorted key table with hash-offset table entries, the hash-offset table entries having a hash-value corresponding to a respective key, and a hash offset, sorting the hash-offset table entries based on the hash-values, searching for a target hash-value of the hash-values corresponding to a target key in the hash-offset table, locating a target key-value pair corresponding to the target key based on the target hash-value, and saving a location of the target key-value pair.

Abstract: Provided is a method of adjusting prefetching operations, the method including setting a prefetching distance, accessing a prefetching-trigger key, determining a target key is outside of the prefetching distance from the prefetching-trigger key, increasing the prefetching distance, and successfully fetching a subsequent target key of a subsequent prefetching-trigger key from a prefetching read-ahead buffer.

Abstract: Provided is a method of linking multiple KV blocks in a KV chain to ensure data consistency, the method including allocating an internal key to both a first KV block and a recovery begin internal key, allocating a next internal key that is different from the internal key and that corresponds to a next KV block, and encapsulating respective user key values in the first KV block and in the next KV block, wherein the first KV block is accessed by reading the recovery begin internal key, and wherein the next KV block is accessed by reading the next internal key of the first KV block.