Abstract: A disconnection detection method for detecting disconnection of a plurality of strands constituting a conductor of a cable wired in a device that is caused by motion of the device includes a data acquisition step of acquiring motion information data, which is data showing changes over time in information about motion of the device, and resistance value data, which is data of a resistance value of the conductor that changes in time series due to the motion of the device, an analysis step of analyzing the resistance value data based on the motion information data acquired in the data acquisition step and obtaining an index value to detect strand disconnection, and a disconnection detection step of detecting the strand disconnection based on the index value obtained in the analysis step.

Abstract: A cable life prediction method, includes: acquiring resistance value data indicating chronological change in a resistance value of a cable based on an operation of a managed device and an operating data, by a cable status management device, from a device user-side data management device, thereby, in the cable status management device, estimating wire-break progress in the cable based on at least one of the acquired resistance value data and the acquired operating data; and in the cable status management device, predicting a life of the cable based on a wire-break progress data and the operating data, and storing the predicted life of the cable as cable life prediction data. At least a device manufacturer terminal of a device manufacturer that manufactures the managed device or a cable manufacturer terminal of a cable manufacturer that manufactures the cable is configured to be accessible with the stored cable life prediction data.

Abstract: A cable status management system for managing a wire-break progress of a cable used in a managed device is provided with a cable status management device having a cable status storage unit that stores a wire-break progress data indicating the wire-break progress in the cable, a device user-side data management device that belongs to a device user that uses the managed device, a device manufacturer terminal that belongs to a device manufacturer that manufactures the managed device, and a cable manufacturer terminal that belongs to a cable manufacturer that manufactures the cable. At least the device manufacturer terminal and the cable manufacturer terminal are configured to be accessible with the wire-break progress data stored in the cable status storage unit via a network.

Abstract: A cable connection structure is provided with an electronic component including electrodes on an electrode-forming surface, a cable including electric wires connected to the electrodes respectively, and a buried member which is composed of a cured resin and embedded with the electric wires. At least three electric wires are separating wires including separating regions being separated from each other in the normal direction as being distant from the electrode-forming surface. At least three electrodes are arranged side by side on a virtual circle. At least three separating wires are connected to the at least three electrodes. The separating regions of the at least three separating wires are provided to be located eccentric radially outwardly in the virtual circle as being distant from the electrode surface in the normal direction of the electrode-forming surface. An angle between the separating region and the normal direction of the electrode-forming surface is 10 degrees or more and 45 degrees or less.

Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.

Abstract: A coaxial cable is composed of a conductor, an insulator covering a periphery of the conductor, a shield layer covering a periphery of the insulator, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the insulator, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes a joining portion where the metal wires adjacent to each other in a circumferential direction are joined with each other with the batch plating portion at a spaced portion where the adjacent metal wires are spaced apart from each other, and the non-joining portion where the metal wires adjacent to each other in the circumferential direction are not joined with each other with the batch plating portion at the spaced portion.

Abstract: A signal transmission cable includes at least one internal conductor, an insulator, and an external conductor. The at least one internal conductor is formed in an elongated shape and is configured to transmit a signal. The insulator covers the internal conductor. The external conductor is a band-shaped resin tape having characteristics of an elongation percentage of equal to or more than 30% and a volume resistivity of equal to or less than 4×10?4 ?·cm. The external conductor is configured to be wound around the insulator.

Abstract: A coaxial cable is composed of a conductor, an insulator around the conductor, a shield layer around the insulator, and a sheath around the shield layer. The shield layer includes a lateral winding shielding portion with metal wires helically wrapped around the insulator, and a batch plating portion covering the lateral winding shielding portion. The shield layer includes a joining portion where adjacent metal wires are joined with each other with the batch plating portion at a gap between the adjacent metal wires, and inner peripheral portions where the metal wires are not being covered with the batch plating portion and plating layers are exposed. The joining portion is provided between adjacent inner peripheral portions. When an elemental analysis is performed in any analysis region having an area of 0.015 mm2 or more and 0.

Abstract: A coaxial cable includes a conductor, an electrically insulating member provided over a periphery of the conductor, a shielding layer composed of served shields formed by helically wrapping a plurality of metal wires around the electrically insulating member, and a sheath provided around the shielding layer. The electrically insulating member includes indentations on portions of its surface to be brought into contact with and mated to the metal wires respectively. The shielding layer includes portions in respective circumferential directions of the plurality of metal wires being brought into contact with the electrically insulating member are mated to the indentations, respectively, on the electrically insulating member, and adjacent ones of the metal wires in a circumferential direction of the shielding layer are in surface contact with each other.

Abstract: A cable status management system for managing a wire-break progress of a cable used in a managed device is provided with a cable status management device having a cable status storage unit that stores a wire-break progress data indicating the wire-break progress in the cable, a device user-side data management device that belongs to a device user that uses the managed device, a device manufacturer terminal that belongs to a device manufacturer that manufactures the managed device, and a cable manufacturer terminal that belongs to a cable manufacturer that manufactures the cable. At least the device manufacturer terminal and the cable manufacturer terminal are configured to be accessible with the wire-break progress data stored in the cable status storage unit via a network.

Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.

Abstract: A cable connection structure is provided with an electronic component including electrodes on an electrode-forming surface, a cable including electric wires connected to the electrodes respectively, and a buried member which is composed of a cured resin and embedded with the electric wires. At least three electric wires are separating wires including separating regions being separated from each other in the normal direction as being distant from the electrode-forming surface. At least three electrodes are arranged side by side on a virtual circle. At least three separating wires are connected to the at least three electrodes. The separating regions of the at least three separating wires are provided to be located eccentric radially outwardly in the virtual circle as being distant from the electrode surface in the normal direction of the electrode-forming surface. An angle between the separating region and the normal direction of the electrode-forming surface is 10 degrees or more and 45 degrees or less.

Abstract: A multi-core cable includes a heat detection line including a twisted pair wire composed of a pair of heat detecting wires being twisted together, each of which includes a first conductor and a first insulator covering a periphery of the first conductor, a plurality of electric wires spirally twisted around the heat detection line, each of which includes a second conductor and a second insulator covering a periphery of the second conductor, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the first insulator is lower than a melting point of the second insulator. The second conductor has a shape in a cross-section perpendicular to a cable longitudinal direction in which a width along a circumferential direction is gradually increased from a radially inward portion to a radially outward portion.

Abstract: A signal transmission cable includes at least one internal conductor, an insulator, and an external conductor. The at least one internal conductor is formed in an elongated shape and is configured to transmit a signal. The insulator covers the internal conductor. The external conductor is a band-shaped resin tape having characteristics of an elongation percentage of equal to or more than 30% and a volume resistivity of equal to or less than 4×10?4 ?·cm. The external conductor is configured to be wound around the insulator.

Abstract: A coaxial cable is composed of a conductor, an electrical insulating member covering a periphery of the conductor, a shield layer covering a periphery of the electrical insulating member, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the electrical insulating member, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes an outer peripheral portion, in which the metal wires are covered with the batch plating portion, and an inner peripheral portion, in which the metal wires are not covered with the batch plating portion. The outer peripheral portion of the shield layer includes intermetallic compounds between the metal wires and the batch plating portion.

Abstract: A coaxial cable is composed of a conductor, an insulator around the conductor, a shield layer around the insulator, and a sheath around the shield layer. The shield layer includes a lateral winding shielding portion with metal wires helically wrapped around the insulator, and a batch plating portion covering the lateral winding shielding portion. The shield layer includes a joining portion where adjacent metal wires are joined with each other with the batch plating portion at a gap between the adjacent metal wires, and inner peripheral portions where the metal wires are not being covered with the batch plating portion and plating layers are exposed. The joining portion is provided between adjacent inner peripheral portions. When an elemental analysis is performed in any analysis region having an area of 0.015 mm2 or more and 0.

Abstract: A coaxial cable is composed of a conductor, an insulator covering a periphery of the conductor, a shield layer covering a periphery of the insulator, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the insulator, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes a joining portion where the metal wires adjacent to each other in a circumferential direction are joined with each other with the batch plating portion at a spaced portion where the adjacent metal wires are spaced apart from each other, and the non-joining portion where the metal wires adjacent to each other in the circumferential direction are not joined with each other with the batch plating portion at the spaced portion.

Abstract: A multi-core cable includes a heat detection line including a twisted pair wire composed of a pair of heat detecting wires being twisted together, each of which includes a first conductor and a first insulator covering a periphery of the first conductor, a plurality of electric wires spirally twisted around the heat detection line, each of which includes a second conductor and a second insulator covering a periphery of the second conductor, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the first insulator is lower than a melting point of the second insulator. The second conductor has a shape in a cross-section perpendicular to a cable longitudinal direction in which a width along a circumferential direction is gradually increased from a radially inward portion to a radially outward portion.

Abstract: A coaxial cable includes a conductor, an electrically insulating member provided over a periphery of the conductor, a shielding layer composed of served shields formed by helically wrapping a plurality of metal wires around the electrically insulating member, and a sheath provided around the shielding layer. The electrically insulating member includes indentations on portions of its surface to be brought into contact with and mated to the metal wires respectively. The shielding layer includes portions in respective circumferential directions of the plurality of metal wires being brought into contact with the electrically insulating member are mated to the indentations, respectively, on the electrically insulating member, and adjacent ones of the metal wires in a circumferential direction of the shielding layer are in surface contact with each other.

Abstract: A coaxial cable is composed of a conductor, an electrical insulating member covering a periphery of the conductor, a shield layer covering a periphery of the electrical insulating member, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the electrical insulating member, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes an outer peripheral portion, in which the metal wires are covered with the batch plating portion, and an inner peripheral portion, in which the metal wires are not covered with the batch plating portion. The outer peripheral portion of the shield layer includes intermetallic compounds between the metal wires and the batch plating portion.