Abstract: A memory system includes a memory device and a controller. The memory device is configured to output a codeword. The controller is configured to establish, from the codeword, a plurality of variable nodes and a plurality of check nodes, and schedule a decoding operation to ensure that a number of check-sum updates during one cycle of the decoding operation does not exceed a threshold set to be less than a number of the check nodes, wherein the decoding operation includes iterative operations, and each iterative operation includes plural sub-iterative operations.

Abstract: A method for decoding a memory system, the method may include establishing a plurality of check nodes and a plurality of variable nodes corresponding to the plurality of check nodes of a codeword; setting a preliminary operation speed based on a progress rate of a preliminary operation for generating predictive error information of each of the plurality of the variable nodes; performing the preliminary operation according to the preliminary operation speed; and performing a main decoding operation for error correction on at least a part of the plurality of the variable nodes based on the predictive error information.

Abstract: A storage device includes a memory including a plurality of word lines, a plurality of bit lines and a plurality of memory cells, and a controller configured to control the memory and perform a read retry operation for the memory using a read retry table. The memory includes a special block that stores a read retry table in which a plurality of read retry values are set for each of a plurality of first conditions and each of a plurality of second conditions corresponding to each of the plurality of first conditions.

Abstract: A storage device may include a memory device and a memory controller. The memory device may store data. The memory controller may iterate error correction decoding on data read from the memory device, determine whether to continue iterating based on a result obtained by comparing a first threshold number with a number of Unsatisfied Check Nodes (UCNs) included in a syndrome of first decoded data, which is a result of a first set number of iterations of the error correction decoding on the read data, and determine whether to continue iterating based on a result obtained by comparing a second threshold number with a number of UCNs included in a syndrome of second decoded data, which is a result of a sum of the first set number and a second set number of iterations of the error correction decoding on the read data.

Abstract: Provided are a substrate treating liquid supply unit for constantly maintaining a liquid level of a nozzle of an inkjet head unit through real-time water level measurement, and a substrate treating apparatus including the same. The substrate treating liquid supply unit includes: a first reservoir connected to an inkjet head unit for jetting a substrate treating liquid onto a substrate and providing the substrate treating liquid to the inkjet head unit; a water level sensor measuring a water level of the substrate treating liquid stored in the first reservoir; and a pressure control module compensating for a pressure provided to the first reservoir based on an amount variation in the water level of the substrate treating liquid, wherein a liquid level of a nozzle of the inkjet head unit is constantly maintained.

Abstract: A method of manufacturing a semiconductor memory device includes alternately stacking sacrificial layers and interlayer insulating layers over a lower structure, forming a slit passing through the sacrificial layers and the interlayer insulating layers, removing the sacrificial layers through the slit through a wet etching process, and removing, through a dry etching process, a byproduct that is produced at ends of the interlayer insulating layers during the wet etching process.

Abstract: A nozzle module includes a base portion; a nozzle portion disposed on the base portion, and including a first body, and a nozzle portion reciprocating in a first movement direction; and a vessel unit disposed to face the nozzle portion, and including a second body reciprocating in a second movement direction, and an accommodation portion concavely formed inwardly from an upper surface of the second body.

Abstract: Disclosed is a method performed by a computing device for implementing a Graphical User Interface (GUI) providing a development environment, the method including: setting, by a computing device, a plurality of code blocks; designating two or more execution target blocks among the plurality of code blocks; constructing one or more pipelines defining a relationship between the two or more execution target blocks and connecting the two or more execution target blocks; and executing at least some of the two or more execution target blocks based on the connection relationship of the one or more pipelines.

Abstract: The present technology provides a controller for controlling a memory device comprising: a hard syndrome calculator configured to generate a hard syndrome of a hard data chunk received from the memory device; a delta syndrome calculator configured to generate a delta syndrome of a delta bit data received from the memory device, the delta bit data indicating a reliability of the hard data chunk; a soft syndrome generator configured to generate a soft syndrome of the hard syndrome and the delta syndrome; a data determinator configured to select, as hard decision data, one of the hard data chunk and a soft data chunk, the selected data chunk corresponding to a syndrome having a lowest syndrome weight; and an error corrector configured to perform an ECC decoding operation on the hard decision data.

Abstract: A decoding device may determine a candidate data unit among a plurality of data units included in one data chunk, in parallel with an operation of decoding a target data unit among the plurality of data units. The decoding device may determine whether to decode the candidate data unit, and may decode the candidate data unit according to whether to decode the candidate data unit, after executing decoding on the target data unit.

Abstract: A decoding device may determine a candidate data unit among a plurality of data units included in one data chunk, in parallel with an operation of decoding a target data unit among the plurality of data units. The decoding device may determine whether to decode the candidate data unit, and may decode the candidate data unit according to whether to decode the candidate data unit, after executing decoding on the target data unit.

Abstract: A controller and an operating method of the controller may calculate a first syndrome weight which is syndrome weight for first read data, calculate a second syndrome weight which is syndrome weight for second read data, and determine first reliability data and second reliability data based on the first syndrome weight and the second syndrome weight. The first read data may be read from a memory area using a first read bias and the second read data may be read from the memory area using a second read bias different from the first read bias.

Abstract: A method of manufacturing a semiconductor memory device includes alternately stacking sacrificial layers and interlayer insulating layers over a lower structure, forming a slit passing through the sacrificial layers and the interlayer insulating layers, removing the sacrificial layers through the slit through a wet etching process, and removing, through a dry etching process, a byproduct that is produced at ends of the interlayer insulating layers during the wet etching process.

Abstract: Disclosed is an apparatus for treating a substrate, the apparatus including: a housing having an inner space; a plurality of outer cups arranged in a row in the inner space, each having a processing space; a spin chuck for supporting and rotating a substrate in each of the processing spaces; and a treatment solution nozzle provided in a plurality to correspond to the plurality of outer cups, respectively, and for supplying a treatment solution onto the substrate supported by the spin chuck, in which the outer cup includes a sidewall surrounding the spin chuck, the sidewall includes a first region and a second region located adjacent to each other along a circumferential direction thereof, and the outer cup includes a first protrusion installed in the first region while extending upwardly on a top end of the sidewall.

Abstract: A memory system includes a memory device and a controller. The memory device outputs a codeword read from plural memory cells in response to a request. The controller is configured to establish a plurality of variable nodes and a plurality of check nodes from the codeword, perform a second flipping function operation for estimating flipping necessity and flipping frequency regarding the plurality of variable nodes based on the plurality of check nodes, determine, based on the flipping necessity and the flipping frequency, which iterative operation is performed during a first flipping operation for decoding the codeword, and perform the first flipping operation through a determined iterative operation to obtain the plurality of variable nodes.

Abstract: A read pattern obtained in a read operation for determining an optimal read voltage when an initial read operation fails is stored, and is used in a read operation to be subsequently performed for determining a new optimal read voltage.

Abstract: A unit for supplying a substrate-treating liquid is provided with a first reservoir and a second reservoir between which a differential pressure is constantly maintained to establish a flow rate, along with a substrate-treating apparatus having the unit for supplying the substrate-treating liquid. The unit for supplying the substrate-treating liquid includes a supply reservoir module and a buffer reservoir module. The supply reservoir module includes a first reservoir for supplying the substrate-treating liquid to an inkjet head unit for jetting the substrate-treating liquid onto a substrate, and a second reservoir for recovering the substrate-treating liquid that remains unused in the inkjet head unit. The buffer reservoir module is configured to provide the substrate-treating liquid to the first reservoir. Differential pressure is constantly maintained between the first reservoir and the second reservoir.

Abstract: Provided are a nozzle inspection method and a nozzle inspection apparatus capable of accurately detecting a defect in an inkjet head nozzle within a short time. The nozzle inspection method comprises discharging a plurality of droplets into a first region of interest of a substrate using a first nozzle to form an inspection pattern, and determining whether the first nozzle is defective based on the inspection pattern.

Abstract: A storage device may include a memory device and a memory controller. The memory device may store data. The memory controller may iterate error correction decoding on data read from the memory device, determine whether to continue iterating based on a result obtained by comparing a first threshold number with a number of Unsatisfied Check Nodes (UCNs) included in a syndrome of first decoded data, which is a result of a first set number of iterations of the error correction decoding on the read data, and determine whether to continue iterating based on a result obtained by comparing a second threshold number with a number of UCNs included in a syndrome of second decoded data, which is a result of a sum of the first set number and a second set number of iterations of the error correction decoding on the read data.

Abstract: Provided herein may be a memory controller and a memory system including the same. The memory controller may include an error correction circuit configured to perform error correction decoding on data that is read by read retry operations, a buffer memory configured to store decoding history information including retry fail voltages used for a failure in the read retry operations and syndrome weights respectively corresponding to the retry fail voltages, and a processor configured to, when a number of times that the read retry operations fail reaches a threshold number of times, determine a voltage corresponding to a minimum syndrome weight determined based on a relationship between changes in the syndrome weights relative to magnitudes of the retry fail voltages, to be an optimally estimated read voltage, and provide data that is read using the optimally estimated read voltage to the error correction circuit.