The present disclosure provides a method for manufacturing a surge absorbing device, the method comprising: providing an elongate ceramic tube having a hollow space defined therein and having open and opposite first and second end; forming a first plating layer and a second plating layer on the first end and the second end, respectively; placing a surge absorbing element within the hollow space within the ceramic tube; disposing first and second brazing rings on the first plating layer and the second plating layer, respectively; disposing first and second sealing electrodes on the first and second brazing rings respectively; and melting the first and second brazing rings in an inert gas atmosphere to attach the first and second sealing electrodes onto the first plating layer and the second plating layer, respectively.

The electrical resistance (10) includes a sealed housing (12) with a generally cylindrical shape defined along a longitudinal axis (X), a resistive element (16), extending along a spiral defined around the longitudinal axis (X), and a fluid guiding element (18), defining, with the sealed housing (12), a conduit for guiding a flow of fluid in contact with the resistive element (16). The guiding element (18) has a spiral shape defined around the longitudinal axis (X).

The electrical resistance (10) includes a sealed housing (12) with a generally cylindrical shape defined along a longitudinal axis (X), a resistive element (16), extending along a spiral defined around the longitudinal axis (X), and a fluid guiding element (18), defining, with the sealed housing (12), a conduit for guiding a flow of fluid in contact with the resistive element (16). The guiding element (18) has a spiral shape defined around the longitudinal axis (X).

A temperature sensor includes: a thermistor; first and second lead-out wires, each having a front end connected to the thermistor; a glass body for sealing the thermistor and a front end portion of each of the first and second lead-out wires; first and second lead wires having respective front ends connected to rear ends of the first and second lead-out wires, respectively; and a synthetic resin cover layer formed of a laminate of an inner layer and a tubular outer layer. The tubular outer layer covers the glass body such that the glass body is in direct contact with an inner surface of the tubular outer layer. The inner layer covers: (i) the first and second lead-out wires except for the front end portions thereof; and (ii) a front end portion of each of the first and second lead wires.

A temperature sensor includes: a thermistor; first and second lead-out wires, each having a front end connected to the thermistor; a glass body for sealing the thermistor and a front end portion of each of the first and second lead-out wires; first and second lead wires having respective front ends connected to rear ends of the first and second lead-out wires, respectively; and a synthetic resin cover layer formed of a laminate of an inner layer and a tubular outer layer. The tubular outer layer covers the glass body such that the glass body is in direct contact with an inner surface of the tubular outer layer. The inner layer covers: (i) the first and second lead-out wires except for the front end portions thereof; and (ii) a front end portion of each of the first and second lead wires.

A rotary position sensor configured to transmit the rotational motion from the outside to a rotating body with high accuracy, allowing inspection without affecting the shaft hole includes a rotating body including a cylindrical shaft body having a shaft hole and a flange continuously connected to the shaft body and extending outward in a radial direction of the shaft body, a housing including a bearing through which the shaft body of the rotating body is inserted, and a measuring unit configured to measure a relative position of the rotating body to the housing, wherein the flange includes an engaging portion on a periphery thereof.

A resistor and a manufacturing method thereof are disclosed. Since a ceramic tube formed of a ceramic material is used and the ceramic tube is joined to sealing electrodes by use of brazing rings, joining strength and durability of the resistor are considerably improved. The resistor may be stably used at a high voltage due to excellent heat dissipation characteristics thereof.

A resistor and a manufacturing method thereof are disclosed. Since a ceramic tube formed of a ceramic material is used and the ceramic tube is joined to sealing electrodes by use of brazing rings, joining strength and durability of the resistor are considerably improved. The resistor may be stably used at a high voltage due to excellent heat dissipation characteristics thereof.