Commissariat a L'energie Atomique Et Aux Energies Alternatives

Stmicroelectronics S.a.

Commissariat À L'énergie Atomique Et Aux Énergies Alternatives

Stmicroelectronics (crolles 2) Sas

Commissariat a L'energies Alternatives

Commissariat a L'energie Atomique

Stmicroelectronics (rousset) Sas

Laurent Dussopt

Antonio Clemente

Jean-François Carpentier

Pierre Bar

Dominique Vicard

Henri Sibuet

Jean-Pierre Simonato

Bruno Reig

Alexandre Siligaris

Yann Lamy

Caroline Celle

Luca Di Palma

Cedric Dehos

Pierre Vincent

Loïc Marnat

Ossama El Bouayadi

Gianfranco Andia Vera

Amazir Moknache

Ludovic Fourneaud

The invention relates to a thermal detector () for detecting electromagnetic radiation, comprising:

Thermal detector for detecting electromagnetic radiation comprising an antenna and a resistive load that are coupled inductively

Unit cell of a transmission network for a reconfigurable antenna

An antenna including: an array of individually-controllable elementary cells, each cell being capable of transmitting a radio signal by introducing into the signal a controllable phase shift selected from among at least two discrete phase-shift values; on the side of a first surface of the array, first, second, third, and fourth primary sources capable of respectively irradiating first, second, third, and fourth consecutive quadrants of the array; and a processing circuit capable of supplying a first signal representative of the sum of the signals S, S, S, and Ssupplied, respectively, by the first, second, third, and fourth sources, a second output signal representative of difference S+S&#x2212;S&#x2212;S, and a third output signal representative of difference S&#x2212;S&#x2212;S+S

Transmit-array antenna for a monopulse radar system

The treatment device () is capable of cooperating with an elongate element () provided with a plurality of electronic chips () staggered along the length of the elongate element (). This treatment device () has a housing () with an input orifice () and an output orifice () for the elongate element (), and a treatment cavity () arranged between the input orifice () and the output orifice () and provided with a treatment probe () for electronic chip. Furthermore, the treatment device comprises an isolation system () configured to isolate an electronic chip to be treated present in the cavity () from other electronic chips of the plurality of electronic chips arranged outside of the cavity ().

Treatment device for electronic chips of an elongate element

Unit cell including a receive antenna, a transmit antenna, and including first and second radiation surfaces separated from each other by a separation area, a phase-shift circuit comprising switches, each having an on, respectively off, state, wherein the corresponding switch allows, respectively blocks, the flowing of a current between the first and second radiation surfaces; a ground plane; a first printed circuit board including a first surface provided with the receive antenna, and a second opposite surface provided with the ground plane; a wafer of a semiconductor material including a first surface provide with first and second radiation surfaces and wherein the switches are formed in the separation area, monolithically with the transmit antenna.

Transmitarray unit cell for a reconfigurable antenna

RF transmission device including at least:

Device for radiofrequency (RF) transmission with an integrated electromagnetic wave reflector

In the field of millimeter band transmitting/receiving systems for a high-speed contactless transmission, an architecture is provided with a common processing circuit supplying modulation signals and a plurality of transmitting/receiving integrated circuits, all identical to one another, receiving these signals, and also a common clock. The transmitting/receiving integrated circuits each comprise: an oscillator locked with the clock signal to produce a carrier frequency, a transmit channel comprising a first controllable phase shift circuit, a frequency transposition to the carrier frequency, and a power amplifier, a receive channel comprising a low noise amplifier, a frequency transposition from the carrier frequency, and a second controllable phase shift circuit. An antenna is associated with each transmitting/receiving circuit.

Millimeter band transmitting/receiving system

The three-dimensional integrated structure including a support element, an interface device connected to the support element by first electrically conductive connection, an integrated circuit arranged between the support element and the interface device and connected to the interface device by second electrically conductive connection, a filler region between the second electrically conductive connection and between the interface device and the integrated circuit, and an antenna, having a radiating element in electromagnetic coupling with an excitation element through the interconnection of a slot, the antenna being distributed over the interface device and the integrated circuit.

Three-dimensional integrated structure comprising an antenna

A radiating cell having two phase states suitable for a transmitter array able to transmit microwave frequency signals, the cell comprising a first antenna and a second antenna arranged on either side of an assembly comprising two substrate layers separated by a ground plane, the second antenna comprising a conducting element able to radiate, the cell comprising comprises at least two switching means, said means each comprising an on state and an off state between two ports, one of said ports being connected to the second radiating element, said switching means being controlled in opposition. The radiating cell applies notably to the implementation of transmitter arrays employing several configurable cells to control the radiation pattern.

Radiating cell having two phase states for a transmitting network

A millimeter wave transceiver including a plate forming an interposer having its upper surface supporting an interconnection network and having its lower surface intended to be assembled on an electronic device; at least one integrated circuit chip assembled on the upper surface of the interposer; at least one antenna including at least one track formed on the upper surface of the interposer; and at least one block attached under the plate and including in front of each antenna a cavity having a metalized bottom, the distance between each antenna and the bottom being on the order of one quarter of the wavelength, taking into account the dielectric constants of the interposed materials.

Integrated millimeter wave transceiver

The invention relates to a method for measuring the permittivity and/or perviousness of a sample of a nonconductive material, said method comprising: a) measuring a value representative of an admittance Y, b) measuring a value representative of an admittance Yonly from the amplitude and the phase of the electromagnetic waves reflected onto an interface between the sample and the end of a second waveguide having at least one conductive web separated from a conductive sheath by a layer of dielectric material, said second waveguide also including a short circuit between the central web and the sheath at the interface with the sample, and c) calculating the permittivity of the sample from the values representative of the admittances Yand Yand/or calculating the perviousness of the sample from the values representative of the admittances Yand Y.

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Grenoble, France

Laurent Dussopt