Abstract: Disclosed is a cathode for a lithium secondary battery, which has a coating layer formed on an edge portion of a cathode plate, a method of manufacturing the cathode, and a lithium secondary battery including the cathode. The cathode includes a cathode plate and a coating layer formed at an edge portion of the cathode plate, in which the cathode plate includes a cathode current collector provided with cathode tab and a cathode active material laminated on at least one surface of the cathode current collector, and the coating layer includes a conductive polymer layer and an insulating coating layer.

Abstract: The present invention relates to a nitride-based electronic device and a method for manufacturing same, the nitride-based electronic device comprising a substrate, a metal electrode and a plurality of protection layers, wherein, among the protection layers, at least two protection layers covering one portion of the electrode so that one portion of the upper part of the electrode is exposed are configured so that the upper protection layer covers the end part of the lower protection layer so as to prevent the end part of the lower protection layer from being exposed.

Abstract: A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.

Abstract: A flexible printed circuit board is introduced. The flexible printed circuit board of the present invention has a first substrate part, comprising a first signal line, and a second substrate part, comprising a second signal line that is parallel to the first signal line, arranged on the same plane while having a shielding part interposed therebetween.

Abstract: Disclosed is a coaxial cable connector which can be manufactured in an ultra-thin type. The coaxial cable connector of the present invention comprises: a signal pin; a dielectric coupled to the signal pin; a first body coupled to a connector electrically connected to one side of the signal pin; and a second body extending from the first body and coupled to a cable electrically connected to the other side of the signal pin, wherein the second body includes a fixing portion for fixing the dielectric, and the dielectric includes a to-be-fixed portion corresponding to the fixing portion.

Abstract: A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.

Abstract: A flexible circuit board is disclosed. The flexible circuit board of the present invention comprises: a substrate part; and a transmission part formed to extend from the substrate part, and having two or more lines, which are aligned in parallel in a thickness direction, for transmitting a high frequency.

Abstract: The present invention relates to a nitride-based electronic device and a method for manufacturing same, the nitride-based electronic device comprising a substrate, a metal electrode and a plurality of protection layers, wherein, among the protection layers, at least two protection layers covering one portion of the electrode so that one portion of the upper part of the electrode is exposed are configured so that the upper protection layer covers the end part of the lower protection layer so as to prevent the end part of the lower protection layer from being exposed.

Abstract: A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.

Abstract: A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.

Abstract: A laptop computer, according to the present invention, comprises: a main body part comprising a mainboard and a coaxial cable, one end of which is connected to the mainboard; and a display part hinge-coupled with the main body part and comprising a flexible printed circuit board which is installed on the back of the display part and has one end thereof coupled with the other end of the coaxial cable.

Abstract: Disclosed is a flexible circuit board having a three-layer dielectric body and four-layer ground layer structure. A flexible circuit board having a three-layer dielectric body and four-layer ground layer structure, according to the present invention, comprises: a first dielectric body; a second dielectric body facing the flat surface of the first dielectric body; a third dielectric body facing the bottom side of the first dielectric body; a signal line formed on the flat surface of the first dielectric body; a pair of first ground layers laminated on the flat surface of the first dielectric body and having the signal line therebetween; second ground layers laminated on the bottom side of the first dielectric body so as to correspond to the first ground layers; a third ground layer laminated on the flat surface of the second dielectric body; and a fourth ground layer laminated on the bottom side of the third dielectric body.

Abstract: A flexible circuit board having enhanced bending durability and a method for preparing same are provided. The method comprises: forming a signal line and a first ground layer on a first dielectric body and forming a second ground layer on a bottom side of the first dielectric body; preparing a second dielectric body; preparing a first bonding sheet and a first protective sheet which is connected to one end of the first bonding sheet or of which one or more parts are overlapped on one end of the first bonding sheet; bonding the second dielectric body onto the first dielectric body by means of the first bonding sheet; forming a via hole such that the first ground layer and the second ground layer are conducted; and cutting in a width direction the second dielectric body placed on the first protective sheet.

Abstract: The present invention provides a flexible circuit board having enhanced bending durability. The flexible circuit board comprises: a first board part; a second board part which extends from one side of the first board part and is thinner than the first board part so as to be bendable; and a third board part which extends from one side of the second board part and is thinner than the second board part so as to be bendable.

Abstract: Disclosed is a coaxial cable connector which can be manufactured in an ultra-thin type. The coaxial cable connector of the present invention comprises: a signal pin; a dielectric coupled to the signal pin; a first body coupled to a connector electrically connected to one side of the signal pin; and a second body extending from the first body and coupled to a cable electrically connected to the other side of the signal pin, wherein the second body includes a fixing portion for fixing the dielectric, and the dielectric includes a to-be-fixed portion corresponding to the fixing portion.

Abstract: Provided are a connector and a blind mating connector including the same. The connector in accordance with the present invention includes a hollow body formed by bending a metal plate that is manufactured by press-processing a raw plate, a dielectric part built in the body, a signal pin passing through the dielectric part, a plurality of contact parts extending from both ends of the body, respectively, with a slit therebetween, a connection part defined in the body and at which both side ends of the metal plate are met and coupled, and an extension contact part bent and extending from one end of the contact part in a direction opposite to an extension direction of the contact part to face the contact part.

Abstract: A flexible circuit board is disclosed. The flexible circuit board of the present invention comprises: a substrate part; and a transmission part formed to extend from the substrate part, and having two or more lines, which are aligned in parallel in a thickness direction, for transmitting a high frequency.

Abstract: A laptop computer, according to the present invention, comprises: a main body part comprising a mainboard and a coaxial cable, one end of which is connected to the mainboard; and a display part hinge-coupled with the main body part and comprising a flexible printed circuit board which is installed on the back of the display part and has one end thereof coupled with the other end of the coaxial cable.

Abstract: A flexible printed circuit board is introduced. The flexible printed circuit board of the present invention has a first substrate part, comprising a first signal line, and a second substrate part, comprising a second signal line that is parallel to the first signal line, arranged on the same plane while having a shielding part interposed therebetween.