Abstract: A gas detection probe includes a shell and a detection element. The detection element includes a first element and a second element. The shell includes a first shell portion, a second shell portion, and a third shell portion. The second shell portion and the third shell portion are mated and formed on an outer periphery of the first shell portion. The shell has a first cavity and a second cavity. The first shell portion is in sealing engagement with the third shell portion. The second shell portion is provided with a guide hole portion communicated with the second cavity. The first element is accommodated in the first cavity. The second element is accommodated in the second cavity. The gas detection probe of the present disclosure is more beneficial to realize miniaturization. A manufacturing method of the gas detection probe is also disclosed.

Abstract: Provided are: a gas sensor which is able to have improved gas detection performance, while being capable of suppressing variation in the output characteristics among individual gas sensors; a gas detection device; a gas detection method; and a device which is provided with a gas sensor or a gas detection device. This gas detection device (10) is provided with: a heat sensitive resistive element (2); a lead part (22b) which is connected to the heat sensitive resistive element (2) by welding, while having no material being interposed therebetween; a gas sensor (1) which is thermally coupled to the heat sensitive resistive element (2), while comprising a porous gas molecule adsorption material (3) from which specific gas molecules are desorbed by means of heating; and an electric power supply unit which supplies electric power to the heat sensitive resistive element (2), thereby heating the heat sensitive resistive element (2).

Abstract: Provided are a gas detection device, a gas detection method, and a device including the gas detection device that are capable of enhancing responsiveness, gas detection sensitivity, and gas detection accuracy. A gas detection device (10) with a thermal-conductivity-type gas sensor (1) includes a connection circuit including a thermistor (2) having at least a pair of electrode parts (22a) and a resistor (11) connected to the thermistor (2); a power supply circuit (Ep) for applying a constant voltage to the connection circuit and putting the thermistor (2) in a thermal runaway state by supplying excess power to the thermistor (2); and a voltage detection unit for detecting a voltage between the electrodes of the thermistor (2) in the connection circuit.

Abstract: Provided are a gas sensor, a gas detection device, a gas detection method and a device provided with the gas detection device, capable of improving gas detection performance. The gas detection device is provided with a gas sensor comprising a thermosensitive resistance element and a porous gas molecule adsorptive material thermally bonded to the thermosensitive resistance element that releases specified gas molecules due to heating and cooling, and a power supply control unit that heats and cools the thermosensitive resistance element by controlling the supply of power thereto. The gas detection method comprises a heating step for putting the porous gas molecule adsorptive material in a heated state and a detecting step for detecting a specific gas due to the temperature change in the thermosensitive resistance element by heating.

Abstract: The present invention enables the achievement of: high density mounting by means of an electronic component for welding; and improvement of thermal responsivity and tensile strength at high temperatures by means of reduction in size and thickness of a temperature sensor. An electronic component for welding, which has a function of a resistor, a capacitor, an inductor or the like, comprises: an insulating substrate; a function part and a bonding electrode part, which are provided on the insulating substrate; and a lead which is electrically connected to the bonding electrode part. The bonding electrode part is configured of: an adhesive active metal layer which is formed from a high-melting-point metal on the insulating substrate; a barrier layer which is formed from a high-melting-point metal on the active metal layer; and a bonding metal layer which is mainly composed of a low-melting-point metal and is formed on the barrier layer.

Abstract: The present invention enables the achievement of: high density mounting by means of an electronic component for welding; and improvement of thermal responsivity and tensile strength at high temperatures by means of reduction in size and thickness of a temperature sensor. An electronic component for welding, which has a function of a resistor, a capacitor, an inductor or the like, comprises: an insulating substrate; a function part and a bonding electrode part, which are provided on the insulating substrate; and a lead which is electrically connected to the bonding electrode part. The bonding electrode part is configured of: an adhesive active metal layer which is formed from a high-melting-point metal on the insulating substrate; a barrier layer which is formed from a high-melting-point metal on the active metal layer; and a bonding metal layer which is mainly composed of a low-melting-point metal and is formed on the barrier layer.

Abstract: Provided are: a gas sensor which is able to have improved gas detection performance, while being capable of suppressing variation in the output characteristics among individual gas sensors; a gas detection device; a gas detection method; and a device which is provided with a gas sensor or a gas detection device. This gas detection device (10) is provided with: a heat sensitive resistive element (2); a lead part (22b) which is connected to the heat sensitive resistive element (2) by welding, while having no material being interposed therebetween; a gas sensor (1) which is thermally coupled to the heat sensitive resistive element (2), while comprising a porous gas molecule adsorption material (3) from which specific gas molecules are desorbed by means of heating; and an electric power supply unit which supplies electric power to the heat sensitive resistive element (2), thereby heating the heat sensitive resistive element (2).

Abstract: Provided are a gas sensor, a gas detection device, a gas detection method and a device provided with the gas detection device, capable of improving gas detection performance. The gas detection device is provided with a gas sensor comprising a thermosensitive resistance element and a porous gas molecule adsorptive material thermally bonded to the thermosensitive resistance element that releases specified gas molecules due to heating and cooling, and a power supply control unit that heats and cools the thermosensitive resistance element by controlling the supply of power thereto. The gas detection method comprises a heating step for putting the porous gas molecule adsorptive material in a heated state and a detecting step for detecting a specific gas due to the temperature change in the thermosensitive resistance element by heating.