Abstract: An X-ray imaging device, including: a transfer substrate including electric connection elements; an array of pixels, each including a monolithic elementary chip bonded and electrically connected to elements of electric connection of the transfer substrate, and a photodiode formed on the transfer substrate and electrically connected to the elementary chip; and a scintillator coating the pixel array, wherein, in each pixel, the elementary chip includes an integrated circuit for reading from the pixel photodiode.

Abstract: An X-ray imaging device, including: a transfer substrate including electric connection elements; an array of pixels, each including a monolithic elementary chip bonded and electrically connected to elements of electric connection of the transfer substrate, and a direct conversion X photon detector electrically connected to the elementary chip, wherein, in each pixel, the elementary chip includes an integrated circuit for reading from the detector of the pixel.

Abstract: A device for observing a biological sample is provided, including: a light source to emit a light beam at a wavelength between 1 ?m and 20 ?m; an image sensor including pixels defining a detection plane; a holder to hold the sample between the source and the sensor at a distance from the plane smaller than 1 mm, such that the source is configured to illuminate an area of the sample larger than 1 mm2, no image-forming optics are placed between the sample and the sensor, and the sensor is configured to acquire an image corresponding to an area of the sample larger than 1 mm2 and representative of an absorption of the beam by the sample at the wavelength; and a processor to determine a map of an amount of analyte in the sample, based on the image acquired by the sensor, the analyte absorbing light at the wavelength.

Abstract: A metasurface optical component including a first substrate, a set of subwavelength structures for forming a metasurface optic and a layer, referred to as an encapsulation layer, that is substantially parallel to the surface of the first substrate, the encapsulation layer being spaced apart from the set of structures by a space referred to as the encapsulated space, the encapsulation layer and the encapsulated space together forming a multilayer antireflective coating in the given wavelength range.

Abstract: The invention relates to a method for fabricating a thermal detector (1), comprising the following steps: forming a first stack (10), comprising a thermal detector (20), a mineral sacrificial layer (15) and a thin encapsulation layer (16) having a lateral vent (17.1); forming a second stack (30), comprising a thin sealing layer (33) and a getter portion (34); eliminating the mineral sacrificial layer (15); assembling by direct bonding the thin sealing layer (33), brought into contact with the thin encapsulation layer (16) and blocking the lateral vent (17.1), the getter portion (34) being located in the lateral vent (17.1).

Abstract: A method of manufacturing an optoelectronic device, including the steps of: a) forming a photonic device including a plurality of photonic components on a first substrate; b) forming an electronic device including a semiconductor layer coating a second substrate; c) after steps a) and b), bonding the electronic device to the photonic device by direct bonding, and then removing the second substrate; d) after step c), forming, on the upper surface side of the electronic device, electric connection metallizations, the method further including: —after step a) and before step c), a step of deposition of a metal layer continuously extending over the entire upper surface of the device.

Abstract: A method of manufacturing an optoelectronic device, including the steps of: a) arranging an active photosensitive diode stack on a first substrate; b) transferring the active photosensitive diode stack onto an integrated control circuit previously formed inside and on top of a second semiconductor substrate, and then removing the first substrate; c) arranging an active light-emitting diode stack on a third substrate; and d) after steps b) and c), transferring the active light-emitting diode stack onto the active photosensitive diode stack, and then removing the third substrate.

Abstract: A method of manufacturing an optoelectronic device, including the steps of: a) arranging an active photosensitive diode stack on a first substrate; b) arranging an active light-emitting diode stack on a second substrate; c) after steps a) and b), transferring the active photosensitive diode stack onto the active light-emitting diode stack, and then removing the first substrate; and d) after step c), transferring the assembly comprising the active photosensitive diode stack and the active light-emitting diode stack onto an integrated control circuit previously formed inside and on top of a third substrate, and then removing the second substrate.

Abstract: A process for manufacturing a detection device having at least one thermal detector covered by a mineral sacrificial layer, at least one getter portion covered by a carbon-based sacrificial layer, and a thin encapsulation layer surrounding the thermal detector and the getter portion includes a making a through-opening extending through the mineral sacrificial layer and opening on the substrate. The carbon-based sacrificial layer is deposited so as to cover the getter portion located in the through-opening and to entirely fill the through-opening.

Abstract: A device for observing a biological sample is provided, including: a light source to emit a light beam at a wavelength between 1 ?m and 20 ?m; an image sensor including pixels defining a detection plane; a holder to hold the sample between the source and the sensor at a distance from the plane smaller than 1 mm, such that the source is configured to illuminate an area of the sample larger than 1 mm2, no image-forming optics are placed between the sample and the sensor, and the sensor is configured to acquire an image corresponding to an area of the sample larger than 1 mm2 and representative of an absorption of the beam by the sample at the wavelength; and a processor to determine a map of an amount of analyte in the sample, based on the image acquired by the sensor, the analyte absorbing light at the wavelength.

Abstract: The invention relates to a method for fabricating a detection device 1, comprising the following steps: forming a stack 10, comprising a thermal detector 20, a mineral sacrificial layer 15 and a thin encapsulation layer 16 having a lateral indentation 4; forming a stack 30, comprising a thin supporting layer 33, a getter portion 34 and a thin protective layer 35; directly bonding the thin supporting layer 33 to the thin encapsulation layer 16 so that the getter portion 34 is located in the lateral indentation 4; forming a vent 17, and eliminating the mineral sacrificial layer 15 and the thin protective layer 35; depositing a thin sealing layer 5, blocking the vent 17.

Abstract: A method is provided for observing a biological sample between a light source and a pixelated image sensor, the light emitting an incident light beam, which propagates to the sample along a propagation axis and at an emission wavelength, the method including: illuminating the sample with the source; and acquiring an image of the sample with the sensor, no image-forming optic being placed between the sample and the sensor, the sample absorbing some of the beam, such that the acquired image is representative of an absorption of the beam by the sample at the emission wavelength, the source illuminates an area of the sample larger than 1 mm2, the image acquired of the sample by the sensor corresponds to an area of sample larger than 1 mm2, and pixels of the sensor define a detection plane, the sample being placed at a distance from the plane smaller than 1 mm.

Abstract: A process for fabricating a device for detecting electromagnetic radiation includes the step of providing a detecting element suspended by a supporting pillar. The pillar has a lateral through-aperture formed via a local break in the continuity of a layer of interest, because of the presence of a jut in a vertical orifice.

Abstract: A thermal pattern sensor including a matrix of pixels each comprising: a detection element formed by a portion of a detection material having a temperature coefficient of resistance greater than 0.2%/K; a metal portion configured to heat the detection element; a dielectric portion electrically insulating part of the detection element from the metal portion; and wherein: the detection elements of a same column of pixels all have the same electrical resistance value and are electrically coupled to each other and to a readout circuit; the metal portions of the same row of pixels are electrically coupled to each other; the sensor further includes an electromagnetic shielding layer covering all the detection elements and electrically insulated from said detection elements.

Abstract: A method is provided for observing a biological sample between a light source and a pixelated image sensor, the light emitting an incident light beam, which propagates to the sample along a propagation axis and at an emission wavelength, the method including: illuminating the sample with the source; and acquiring an image of the sample with the sensor, no image-forming optic being placed between the sample and the sensor, the sample absorbing some of the beam, such that the acquired image is representative of an absorption of the beam by the sample at the emission wavelength, the source illuminates an area of the sample larger than 1 mm2, the image acquired of the sample by the sensor corresponds to an area of sample larger than 1 mm2, and pixels of the sensor define a detection plane, the sample being placed at a distance from the plane smaller than 1 mm.

Abstract: The invention concerns a detection device for detecting electromagnetic radiation, comprising a substrate, an array of thermal detectors, each thermal detector comprising a suspended absorbent membrane and a reflective layer. The detection device comprises at least one opaque vertical wall, arranged on the substrate and extending longitudinally between two adjacent thermal detectors, and produced from a material that is opaque to the electromagnetic radiation to be detected.

Abstract: The invention relates to a method for fabricating a thermal detector (1), comprising the following steps: forming a first stack (10), comprising a thermal detector (20), a mineral sacrificial layer (15) and a thin encapsulation layer (16) having a lateral vent (17.1); forming a second stack (30), comprising a thin sealing layer (33) and a getter portion (34); eliminating the mineral sacrificial layer (15); assembling by direct bonding the thin sealing layer (33), brought into contact with the thin encapsulation layer (16) and blocking the lateral vent (17.1), the getter portion (34) being located in the lateral vent (17.1).

Abstract: The invention relates to a method for fabricating a detection device 1, comprising the following steps: forming a stack 10, comprising a thermal detector 20, a mineral sacrificial layer 15 and a thin encapsulation layer 16 having a lateral indentation 4; forming a stack 30, comprising a thin supporting layer 33, a getter portion 34 and a thin protective layer 35; directly bonding the thin supporting layer 33 to the thin encapsulation layer 16 so that the getter portion 34 is located in the lateral indentation 4; forming a vent 17, and eliminating the mineral sacrificial layer 15 and the thin protective layer 35; depositing a thin sealing layer 5, blocking the vent 17.

Abstract: A radiation sensor including a plurality of pixels formed in and on a semiconductor substrate, each pixel including a microboard suspended above the substrate by thermal insulation arms, the microboard including: a conversion element for converting incident electromagnetic radiation into thermal energy; and a passive optical shutter including a heat-sensitive layer covering one of the faces of the conversion element, the heat-sensitive layer having a reflection coefficient for the radiation to be detected that increases as a function of its temperature.

Abstract: The invention concerns a detection device for detecting electromagnetic radiation, comprising a substrate, an array of thermal detectors, each thermal detector comprising a suspended absorbent membrane and a reflective layer. The detection device comprises at least one opaque vertical wall, arranged on the substrate and extending longitudinally between two adjacent thermal detectors, and produced from a material that is opaque to the electromagnetic radiation to be detected.