Commissariat a L'energie Atomique

Commissariat a L'energie Atomique Et Aux Energies Alternatives

Commissariat À L'énergie Atomique Et Aux Énergies Alternatives

Philippe Pantigny

Eric Mottin

Pierre Gidon

Nicolas Karst

Simon Perraud

Patrick Audebert

Fabrice Emieux

Jean Dijon

Sami Oukassi

Frederic Gaillard

Arnaud Laflaquiere

Raphael Salot

Marc Belleville

Frédéric Gaillard

Raphaël Salot

Jean-Luc Martin

Pierre Nicolas

Luc Audaire

Sylvain Paltrier

Emmanuelle Rouviere

Frederic Rothan

Dominique Marion

Frédéric Rothan

Pierre Castelein

R&eacute;gis Hamelin

Fr&eacute;d&eacute;ric Rothan

Arnaud LaFlaquire

An electrical connector, in particular for a medical device that is intended to be secured to the skin of a user, the connector comprising a base intended to be solidly connected to the device and a plug intended to be solidly connected to an electric conductor, wherein the plug comprises a connection means and the base comprises a plurality of connection means, each being adapted to engage with the connection means of the plug in order to establish a connection between the base and the plug comprising a base secured to the device and a plug configured to be secured to an electrical conductor, wherein the base includes a plurality of protuberances and the plug includes a cavity.

Electrical connector, in particular for a cutaneous device

An electrical connector, in particular for a medical device that is intended to be secured to the skin of a user, is disclosed. The connector includes a base for solidly connecting to the device and a plug for solidly connecting to an electric conductor. The plug includes a connection means and the base includes a plurality of connection means, each being adapted to engage with the connection means of the plug in order to establish a connection between the base and the plug.

An electrochromic device includes a stack successively including: a first current collector, an electrochromic electrode made of a material capable of reversibly inserting metal ions, an electrolyte, a second current collector, a reflective substrate contacting the first current collector or with the second current collector. It includes a single electrochromic electrode and has at least the two following functional states: a first absorbing functional state, induced by the application of a first electric voltage between the two current collectors, wherein the device includes metal ions reversibly inserted into the material of the electrochromic electrode; and a second reflective functional state subsequent to the application of a second electric voltage between the two current collectors, wherein a metal layer is formed between the electrolyte and the second current collector, this metal layer including at least part of the metal ions initially reversibly inserted into the material of the electrochromic electrode.

Electrochromic device

The fluid distribution device includes a first cavity at a first pressure and a second cavity at a second pressure lower than the first pressure. A partition separates the first cavity from the second cavity and a restricting valve is arranged between the first and second cavities. The partition includes a thermoelectric module having a hot side in thermal contact with the first cavity and a cold side in thermal contact with the second cavity.

Fluid delivery device including a thermoelectric module

An element to interconnect at least two conductors of a microelectronic circuit is disclosed that includes an initial conductor, referred to as lower conductor; a dielectric layer situated on the initial conductor; a second conductor, referred to as upper conductor, on the dielectric layer; a cavity in the dielectric layer emerging, on the one hand, on the lower conductor and, on the other hand, on the upper conductor. The upper conductor forms a bridge above the lower conductor and the cavity forms, at a level where it emerges on the upper conductor, two vents on both sides of the latter.

Carbon nanotube-based interconnection element

Scanning type device for detection of a photonic flux emitted by a scene containing at least one acquisition channel (V) comprising: The channel (V) cooperates with at least one calibration device () comprising: Application particularly to imagery or to spectrometry.

Device for detecting a photonic flux with self-adaptive scanning

The invention relates to a photodetectors array that will be hybridized on a readout circuit () and realized from a wafer of semiconducting material (). The wafer is divided into pixels (), each pixel forming a photodetector, the pixels being separated from each other by separation means formed in the wafer and comprising a photogrid for photodetectors, each photodetector having a connection pad () to hybridize the photodetectors array to the readout circuit.

Photodetectors array with isolated pixels and storage grid, hybridized on a readout circuit

An image sensor with matrix readout includes a matrix of elementary photodetectors (P) connected through at least a bus (Bpel) to a remote integrator (I) which converts the signal of each elementary photodetector into a voltage. Provided between the end of the bus and the input of the integrator is an impedance matching device (D) with low output capacitance, delivering at its output, during the time for converting photodetector signal, a variation of charge which corresponds to an affine function of the charge present at the input of said matching device, wherein this charge variation is determined by: where Iinj is the instantaneous current of the bus, injected at the input of the impedance matching device, Iint is the instantaneous current at the input of the integrator and Tconv is the conversion time.

Device for converting a photosignal into a voltage in image sensors with remote integrators

An array of photodetectors intended to be hybridized on a readout circuit and fabricated from a wafer in semiconductor material. The wafer is divided into pixels, the pixels being separated from one another by walls formed crosswise over the entire thickness of the wafer, the hybridization surface having connection pads enabling hybridization of the photodetector array to the readout circuit.

Photodetector matrix with pixels isolated by walls, hybridized onto a reading circuit

Device converts an analogue signal representing charges resulting from the photo-detection of electromagnetic radiation into a digital signal. Device includes (a) a number of photo-detectors connected in rows and columns through of buses, the photo-detectors in one column sharing the same column bus, itself connected to an output stage by through a row bus, and between each photo-detector and the column bus, (b) an integrator, to integrate the charges arriving from the photo-detector, (c) means for resetting the integrator, and (d) a comparator to compare the voltage Vfrom the integrator with an internally predefined threshold voltage V, characterized in that it also includes a processing device, a clock, the clock controlling the processing device and the processing device receiving a binary value present at the output of the comparator at each signal from the clock.

Method for converting an analog signal into a digital signal and electromagnetic radiation sensor using same

Reader for electromagnetic radiation detection element, sensor, and the corresponding read process

An image sensor comprises a detector circuit ( ) with detector diodes ( ), which are reverse biased during image sensing. It is characterized in that the cathode voltage of the detector diodes is controlled by forward biasing detector circuit ( ) diodes via the read circuit ( ). The control diodes can be dedicated diodes or forward biased photodetector diodes. In the latter case, a picture is taken in several sequences.

Method of biasing the photodiodes of a matrix sensor through associated pixels thereof

The invention relates to a circuit for reading charges comprising a capacitive means (C , C ) with capacitance C to store charges and means of reading a voltage sampled at the terminals of the capacitive means. The capacitive means is built up from a first capacitive means (C ) and a second capacitive means (C ) with a capacitance C less than C . The read circuit comprises means of comparing the voltage read at the terminals of the capacitive means with a threshold value (V ) and means of controlling the transfer of charges stored in the first capacitive means to the second capacitive means when the voltage read at the terminals of the capacitive means exceeds the threshold value (V ). The invention is applicable to detection of radiation in the imagery field.

Circuit for reading adaptive preamplification charges and process for reading adaptive preamplification charges

A method and a device are provided for reading a matrix of photonic detectors which delivers a current whose intensity varies according to the incident flux. A set of elementary points (PEL(i,j)) enables the signals delivered by each detector to be read. The quantity processed is the charge. Each elementary point effects a preintegration of the current delivered by a corresponding detector. A charge amplifier effects a reading to condition the signals delivered by the matrix of detectors and to multiplex them to at least one information processing chain.

Device and process for reading a matrix of photonic detectors

A device for reading detector arrays with TDI effect comprises an assembly of lines of detectors each integrating its own contribution during an integration time, with each contribution corresponding to an image in one of an array of elementary circuits. A demultiplexer directs the contribution of each detector into a first elementary circuit determined by this detector and the number of the current image. A summing device, executes the sum of the contribution of the detectors consisting in choosing, for each detector, a second elementary circuit determined in function of the number of the current image and of the detector considered and in executing the sum of these elementary circuits so as to carry out the TDI effect on the detectors in such a manner as to obtain the contribution of the detector line.

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Claix, France

Philippe Pantigny