Long-wave infrared detecting element, array structure of long-wave infrared detecting elements, long-wave infrared temperature detecting device, and thermal imaging device

A long-wave infrared detecting element array structure comprising a plurality of long-wave infrared detecting elements,

• wherein each of the plurality of long-wave infrared detecting elements comprises:
• a magnetic field generator configured to generate a magnetic field;
• a substrate provided on the magnetic field generator;
• a magnetic-electric converter that is spaced apart from the substrate and configured to generate an electrical signal based on the magnetic field generated by the magnetic field generator;
• and
• an support unit that is provided on the substrate and supports the magnetic-electric converter in a state in which the magnetic-electric converter is spaced apart from the substrate, the support unit being configured to generate heat by absorbing incident infrared radiation,
• wherein the electrical signal changes corresponding to temperature changes of the magnetic-electric converter based on the incident infrared radiation directly absorbed in the magnetic-electric converter and temperature changes of the magnetic-electric converter based on the incident infrared radiation absorbed in the support unit.

A long-wave infrared temperature detecting device comprising:

• a long-wave infrared detecting element configured to absorb incident infrared radiation and detect an electrical signal varying based on the incident infrared radiation;
• a signal processor configured to process the electrical signal received from the long-wave infrared detecting element;
• and
• a display device configured to display an image generated by the electrical signal processed by the signal processor,
• wherein the long-wave infrared detecting element comprises:
• a magnetic field generator configured to generate a magnetic field;
• a substrate provided on the magnetic field generator;
• a magnetic-electric converter that is spaced apart from the substrate and configured to generate the electrical signal based on the magnetic field generated by the magnetic field generator;
• and
• an support unit that is provided on the substrate and supports the magnetic-electric converter in a state in which the magnetic-electric converter is spaced apart from the substrate, the support unit is configured to generate heat by absorbing the incident infrared radiation,
• wherein the electrical signal changes corresponding to temperature changes of the magnetic-electric converter based on the incident infrared radiation directly absorbed in the magnetic-electric converter and temperature changes of the magnetic-electric converter based on the incident infrared radiation absorbed in the support unit.

A thermal imaging device comprising:

• an optical system configured to focus incident infrared rays;
• a long-wave infrared detecting element array structure that comprises a plurality of long-wave infrared detecting elements configured to detect the infrared rays that passes through the optical system;
• a controller configured to control operations of the plurality of long-wave infrared detecting elements;
• a signal processor configured to process an electrical signal from the long-wave infrared detecting element array structure;
• and
• a display device configured to display an image generated by the electrical signal processed by the signal processor,
• wherein each of the plurality of long-wave infrared detecting elements comprises:
• a magnetic field generator configured to generate a magnetic field;
• a substrate provided on the magnetic field generator;
• a magnetic-electric converter that is spaced apart from the substrate and configured to generate an electrical signal based on the magnetic field generated by the magnetic field generator;
• and
• an support unit that is provided on the substrate and supports the magnetic-electric converter in a state in which the magnetic-electric converter is spaced apart from the substrate, the support unit being configured to generate heat by absorbing incident infrared radiation,
• wherein the electrical signal changes corresponding to temperature changes of the magnetic-electric converter based on the incident infrared radiation directly absorbed in the magnetic-electric converter and temperature changes of the magnetic-electric converter based on the incident infrared radiation absorbed in the support unit.