Abstract: Radio frequency device including at least: a tube through which a channel passes, a front face and/or a rear face forming a bearing surface through which the channel passes, the bearing surface forming an annular frame around one end of the tube and being integral with the tube. The bearing surface includes axial fixing apertures passing through the bearing surface and opening outside the channel in order to allow fixation of the device, and the width of the frame being greater at and in the immediate vicinity of the axial fixing apertures than at a distance from these axial fixing apertures.

Abstract: Waveguide device for guiding a radio frequency signal at a given frequency f, the device including: a core manufactured by additive manufacturing and including side walls with inner and outer surfaces, the inner surfaces delimiting a waveguide channel, wherein a cross-section of the channel has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments, the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.

Abstract: Waveguide device (1) for guiding a radio frequency signal at a given frequency f, the device (1) including: a core (3) manufactured by additive manufacturing and including side walls with inner and outer surfaces (7, 8), the inner surfaces (7) delimiting a waveguide channel (2), wherein a cross-section of the channel (2) has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.

Abstract: Waveguide device (1) for guiding a radio frequency signal at a given frequency f, the device (1) including: a core (3) manufactured by additive manufacturing and including side walls with inner and outer surfaces (7, 8), the inner surfaces (7) delimiting a waveguide channel (2), wherein a cross-section of the channel (2) has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.

Abstract: A method of manufacturing a waveguide device including the following steps: additive manufacturing of a core provided with an opening; additive manufacturing of at least a portion of an anode through the opening; immersion of the core in a metal ion bath; and electrodeposition of a conductive metal layer on the walls of the opening, by applying an electric current between the anode and a cathode.

Abstract: Radio frequency device including at least: a tube through which a channel passes, a front face and/or a rear face forming a bearing surface through which the channel passes, the bearing surface forming an annular frame around one end of the tube and being integral with the tube. The bearing surface includes axial fixing apertures passing through the bearing surface and opening outside the channel in order to allow fixation of the device, and the width of the frame being greater at and in the immediate vicinity of the axial fixing apertures than at a distance from these axial fixing apertures.

Abstract: An arrangement for communication satellites including a payload bay. The arrangement includes an assembly of waveguides, waveguide fixation interfaces for fixing the waveguides to electronic equipment and/or components and a mechanical structure including a plurality of links interconnecting at least some of the waveguides to ensure the stability of the waveguide assembly. The arrangement further includes at least one heat pipe that is arranged to heat or cool one or more of the waveguides. The arrangement is formed in a single piece by 3D printing.

Abstract: Waveguide device for guiding a radio frequency signal at a given frequency f, the device including: a core manufactured by additive manufacturing and including side walls with inner and outer surfaces, the inner surfaces delimiting a waveguide channel, wherein a cross-section of the channel has two straight sides joined together by two half-portions, at least one of the two half-portions being rounded or formed of at least two straight segments, the cross-section having a maximum length (a) and a maximum width (b), the ratio between the maximum length (a)/maximum width (b) being between 2.05 and 3.5, preferably between 2.05 and 2.4.

Abstract: A method for producing a waveguide device, including producing a core of a non-conductive material. The core has side walls with outer surfaces and inner surfaces, the inner surfaces defining a waveguide channel. A layer of conductive metal is deposited on the inner surfaces by immersion in a fluid of reactants. The core includes at least one hole between the outer and inner surfaces, specifically used to encourage the removal of bubbles from the channel and/or the circulation of the fluid during the immersion.

Abstract: A passive radiofrequency device includes a core formed by the gluing of multiple parts in direct contact against one another. At least one of the parts includes a housing for glue. At least some of the parts are manufactured individually by additive manufacturing. A conductive metal jacket surrounds the core without separating the parts from one another.

Abstract: A waveguide device for guiding a radio frequency signal at a determined frequency f, the device including a body having side walls with outer surfaces and inner surfaces, the inner surfaces defining a waveguide channel. A conductive layer covers the inner surface of the body, the conductive layer being formed of a metal having a skin depth ? at frequency f. The conductive layer has a thickness at least twenty times as large as the skin depth ?.

Abstract: A method for producing a waveguide device, including producing a core of a non-conductive material. The core has side walls with outer surfaces and inner surfaces, the inner surfaces defining a waveguide channel. A layer of conductive metal is deposited on the inner surfaces by immersion in a fluid of reactants. The core includes at least one hole between the outer and inner surfaces, specifically used to encourage the removal of bubbles from the channel and/or the circulation of the fluid during the immersion.

Abstract: A waveguide device for guiding a radio frequency signal at a determined frequency f, the device including a body having side walls with outer surfaces and inner surfaces, the inner surfaces defining a waveguide channel. A conductive layer covers the inner surface of the body, the conductive layer being formed of a metal having a skin depth ? at frequency f. The conductive layer has a thickness at least twenty times as large as the skin depth ?.

Abstract: A passive radiofrequency device includes a core formed by the gluing of multiple parts in direct contact against one another. At least one of the parts includes a housing for glue. At least some of the parts are manufactured individually by additive manufacturing. A conductive metal jacket surrounds the core without separating the parts from one another.