G01J5/0225

MICROELECTROMECHANICAL INFRARED SENSING DEVICE AND FABRICATION METHOD THEREOF

A MEMS infrared sensing device includes a substrate and an infrared sensing component. The infrared sensing component is provided above the substrate. The infrared sensing component includes a sensing plate and at least one supporting element. The sensing plate includes at least one infrared absorbing layer, an infrared sensing layer, a sensing electrode and a plurality of metallic elements. The sensing plate has a plurality of openings. The metallic elements respectively surround the openings. The sensing electrode is connected with the infrared sensing layer, and the metallic elements are spaced apart from one another. The supporting element connecting the sensing plate with the substrate.

Optical detection device having adhesive member

A light detection device includes a Fabry-Perot interference filter, a light detector, a spacer that has a placement surface on which a portion outside a light transmission region in a bottom surface of the interference filter is placed, and an adhesive member that adheres the interference filter and the spacer to each other. Elastic modulus of the adhesive member is smaller than elastic modulus of the spacer. At least a part of a lateral surface of the interference filter is located on the placement surface such that a part of the placement surface of the spacer is disposed outside the lateral surface. The adhesive member is disposed in a corner portion formed by the lateral surface of the interference filter and the part of the placement surface of the spacer and contacts each of the lateral surface and the part of the placement surface.

ELECTROMAGNETIC WAVE DETECTOR AND GAS ANALYSIS DEVICE

An electromagnetic wave detector including a first electromagnetic wave sensor including a light reception unit held in midair above a substrate by a support leg and a second electromagnetic wave sensor including a light reception unit held in midair above the substrate by a support leg having same structure as the support leg of the first electromagnetic wave sensor and provided adjacent to the first electromagnetic wave sensor. The light reception unit of the first electromagnetic wave sensor includes a reflective film, the light reception unit of the second electromagnetic wave sensor includes an electromagnetic wave absorption body for detecting light of a prescribed wavelength band or a prescribed polarization, and the difference between the output of the second electromagnetic wave sensor and the first electromagnetic wave sensor is output.

SENSOR CONFIGURED TO SENSE HEAT OR INFRARED LIGHT AND ELECTRONIC DEVICE INCLUDING SAME
20230026770 · 2023-01-26 · ·

A sensor configured to sense heat or infrared light including a substrate includes a plurality of recess portions; a cavity inside the substrate along a bottom surface and opposing side surfaces of the substrate; a lower reflective layer disposed on at least one of an upper surface of the bottom surface of the substrate, a lower surface of the bottom surface of the substrate, and a surface opposite to the lower surface of the bottom surface of the substrate; a first electrode and a second electrode disposed inside both side surfaces of the recess portion and facing each other; a pixel structure configured to sense heat or infrared light inside the recess portion and embedded in the substrate; and a planarization layer covering the entire upper portion of the substrate.

Light module

A light module includes an optical element and a base on which the optical element is mounted. The optical element has an optical portion which has an optical surface; an elastic portion which is provided around the optical portion such that an annular region is formed; and a pair of support portions which is provided such that the optical portion is sandwiched in a first direction along the optical surface and in which an elastic force is applied and a distance therebetween is able to be changed in accordance with elastic deformation of the elastic portion. The base has a main surface, and a mounting region in which an opening communicating with the main surface is provided. The support portions are inserted into the opening in a state where an elastic force of the elastic portion is applied.

Sequential beam splitting in a radiation sensing apparatus
11703392 · 2023-07-18 · ·

Systems, methods, and apparatuses for providing electromagnetic radiation sensing using sequential beam splitting. The apparatuses can include a micro-mirror chip having a plurality of light reflecting surfaces, an image sensor having an imaging surface, and a beamsplitter unit located between the micro-mirror chip and the image sensor. The beamsplitter unit includes a plurality of beamsplitters aligned along a horizontal axis that is parallel to the micro-mirror chip and the imaging surface. The beamsplitters implement the sequential beam splitting. Because of the structure of the beamsplitter unit, the height of the arrangement of the micro-mirror chip, the beamsplitter unit, and the image sensor is reduced such that the arrangement can fit within a mobile device. Within a mobile device, the apparatuses can be utilized for human detection, fire detection, gas detection, temperature measurements, environmental monitoring, energy saving, behavior analysis, surveillance, information gathering and for human-machine interfaces.

METHOD FOR MANUFACTURING A DETECTION DEVICE COMPRISING A PERIPHERAL WALL MADE OF A MINERAL MATERIAL

The invention relates to a method for fabricating a detection device, comprising the following steps: producing thermal detectors and an encapsulating structure by way of mineral sacrificial layers; partially removing the mineral sacrificial layers, by wet chemical etching in an acid medium, so as to free the thermal detectors and to obtain a peripheral wall, and to free an upper portion of the encapsulating thin layer; the peripheral wall then having a lateral recess resulting in a vertical enlargement of the cavity, between the readout substrate and the upper portion, this lateral recess defining an intermediate area; producing reinforcing pillars, arranged in the intermediate area around the matrix-array of thermal detectors.

Infrared solid state imaging device
11508777 · 2022-11-22 · ·

An infrared solid state imaging device includes: a first PN junction diode has a first shortest length that is a shortest length from a first junction surface to a second junction surface; a PN junction diode has a second shortest length that is a shortest length from the second junction surface to a third junction surface, the second shortest length being different from the first shortest length; an insulating film serving as an element isolation region which establishes electrical isolation between a first region of the first PN junction diode and a fourth region of the second PN junction diode, and so on; and a metal wire provided on a second region of the first PN junction diode and a third region of the second PN junction diode, wherein the first PN junction diode and the second PN junction diode are connected in series.

STRUCTURE BODY AND ELECTROMAGNETIC WAVE SENSOR

A structure body includes: an electromagnetic wave detector; and a pair of arm portions that are positioned on both sides with the electromagnetic wave detector interposed therebetween. The electromagnetic wave detector includes a temperature detection element and an electromagnetic wave absorber which covers at least a part of the temperature detection element. Each of the arm portions includes a wiring layer which is in a line shape and electrically connected to the temperature detection element, and protective layers, a part of each of which is disposed on corresponding one of both sides of the wiring layer. The protective layers are made of a material having a lower thermal conductivity than the wiring layer. In a short direction of the protective layers in a plan view, the wiring layer is positioned on an inward side of both end portions of the protective layers in the short direction.

High efficiency room temperature infrared sensor

An infrared (IR) detection sensor for detecting IR radiation. The IR detection sensor including a plurality of nanowires positioned adjacent to each other so as to define a layer. The layer has an outer surface directable towards a source of IR radiation. First and second terminals are electrically coupled to the layer and a circuit is electrically coupled to the first and second terminals. The circuit is configured to determine a value of an electrical property, such as the resistance, of the layer in response to the IR radiation absorbed by the layer.