Abstract: A semiconductor device may include a plurality of active regions delimited on a substrate. A plurality of bit line structures crossing over the plurality of the active regions may be provided. A plurality of storage node contacts may be disposed between the plurality of the bit line structures. A plug isolation pattern may be disposed between the plurality of the storage node contacts. The plug isolation pattern may include an isolation insulating layer between the plurality of the storage node contacts; and a tapered dielectric layer between the isolation insulating layer and the plurality of the storage node contacts.

Abstract: The present invention relates to a method for managing a document on the basis of a blockchain by using an unspent transaction output (UTXO)-based protocol, and a server using the same. Specifically, the purpose of the present invention is to manage a document, and the present invention relates to: a method for preparing a document, that is, a method for issuing a document; a method for using the prepared document, that is, a method for reading the prepared document; and a method for handling the prepared document, particularly, a method for destroying the prepared document.

Abstract: According to the present invention, a method for delegating a login via PKI-based authentication for a login request of a user by using a smart contract and a blockchain database is provided.

Abstract: The present invention relates to a method for managing a document on the basis of a blockchain by using an unspent transaction output (UTXO)-based protocol, and a server using the same. Specifically, the purpose of the present invention is to manage a document, and the present invention relates to: a method for preparing a document, that is, a method for issuing a document; a method for using the prepared document, that is, a method for reading the prepared document; and a method for handling the prepared document, particularly, a method for destroying the prepared document.

Abstract: According to the present invention, a method for delegating a login via PKI-based authentication for a login request of a user by using a smart contract and a blockchain database is provided.

Abstract: Provided is a method for controlling a device using a doped carbon-nanostructure, and a device including the doped carbon-nanostructure, in which the method for controlling the device selectively controls the mobility of electrons or holes using N-type or P-type doped carbon-nanostructure; the N-type or P-type impurities-doped carbon-nanostructure can selectively control the transport of electrons or holes according to a doped material; and also since the doped carbon-nanostructure limits the transport of charge that is the opposite charge to the transport facilitating charge, it can improve the efficiency of device by adding to a functional layer of device or using as a separate layer in the electrons or holes-only transporting device.

Abstract: A touch sensor device is provided. The touch sensor device includes a touch panel including a plurality of touch mark-keys indicating a position touched by a touch object, a plurality of first touch pads disposed at positions corresponding to the plurality of touch mark-keys of the touch panel and generating touch information of the touch object as a first electrical signal, a plurality of second touch pads disposed between the plurality of first touch pads and generating touch information of a conductive material on the touch object as a second electrical signal, and a touch sensing unit receiving the first electrical signal, outputting a plurality of sensing signals to allow an electronic device to perform predetermined operations corresponding to the touched touch mark-keys, and determining whether the touch of the touch object is a normal one using the first and second electrical signals.

Abstract: Provided is a method for controlling a device using a doped carbon-nanostructure, and a device including the doped carbon-nanostructure, in which the method for controlling the device selectively controls the mobility of electrons or holes using N-type or P-type doped carbon-nanostructure; the N-type or P-type impurities-doped carbon-nanostructure can selectively control the transport of electrons or holes according to a doped material; and also since the doped carbon-nanostructure limits the transport of charge that is the opposite charge to the transport facilitating charge, it can improve the efficiency of device by adding to a functional layer of device or using as a separate layer in the electrons or holes-only transporting device.

Abstract: A touch sensor device is provided. The touch sensor device includes a touch panel including a plurality of touch mark-keys indicating a position touched by a touch object, a plurality of first touch pads disposed at positions corresponding to the plurality of touch mark-keys of the touch panel and generating touch information of the touch object as a first electrical signal, a plurality of second touch pads disposed between the plurality of first touch pads and generating touch information of a conductive material on the touch object as a second electrical signal, and a touch sensing unit receiving the first electrical signal, outputting a plurality of sensing signals to allow an electronic device to perform predetermined operations corresponding to the touched touch mark-keys, and determining whether the touch of the touch object is a normal one using the first and second electrical signals.

Abstract: A sensor, a sensing method of the sensor, and a filter of the sensor are provided. The sensor includes a sensing data output unit configured to output sensing data that varies depending on touch or proximity of an object, and a determiner configured to compare a threshold value with the sensing data to recognize touch or proximity, vary a first strength value indicating the sensing data in a state of no touch or no proximity and a second strength value indicating the sensing data in a state of touch or proximity, vary the threshold value using the first and second strength values, and output an output signal indicating touch or proximity.

Abstract: Provided are a delay time measurement circuit and method. Since the delay time measurement circuit and method according to the present invention use a delay chain having a feedback structure, a measurable delay time is not limited. In addition, the number of delay elements constituting the delay chain can be reduced, such that the delay time measurement circuit can be implemented in a small layout area.

Abstract: Provided are a serial communication system and a method of granting IDs using the system. The serial communication system includes a control unit for transmitting a clock signal via a first communication line and transmitting data including a sub-identification (sub-ID) via a second communication line; and a plurality of cascade-connected semiconductor devices to which the same device ID is granted, wherein each semiconductor device includes a switch for connecting an input terminal and an output terminal in response to a turn-on signal, and stores the data including the sub-ID in response to the clock signal and turns on the switches to sequentially store the sub-ID.