Abstract:
A DISPLACEMENT DIRECTION AND AMPLITUDE SENSOR A direction and amplitude sensor for detecting displacement comprising a mirror integral with a mobile element and a photoemitter and photoreceptor assembly integral with a reference frame. The assembly comprises a central optical fiber (1) emitting a light cone towards the mirror (10) and optical receiving fibers (2-7). The mirror is circular and its diameter and its axial distance from the extremity of the fibers are such, in centered position, that its diameter substantially corresponds to that of the light cone (11) generated by the central fiber and that the reflected light cone (12) is substantially tangent to the external radial edges of the receiving fibers. The mirror (10) is fitted on the end transversal wall (22) of a tube (21) perpendicularly to the axis of this tube and centered, the other extremity of this tube being embedded in a frame (20), the optical fibers (1-7) having their extremities inside said tube and directed towards the mirror.
Abstract:
La présente invention concerne le domaine de l'instrumentation analytique par rayons X (RX). Elle concerne plus précisément un dispositif de délivrance d'un faisceau de rayons X à haute énergie, typiquement supérieure à 4 keV, pour des applications analytiques par rayons X.
Abstract:
The invention concerns a device for transmitting a light beam to zones of a surface, comprising a first mirror (10) arranged in the path of a light beam (11) derived from a first light source (9), directed perpendicularly to said surface (3) and deflecting said beam parallel to said surface; means (13) for pivoting said first mirror along an axis perpendicular to said surface, the rotating beam (14) derived from said second mirror performing a rotary scan; second mirrors (15) distributed around and spaced apart from said first mirror (10), on the path of the light beam (14), and deflecting said beam towards said surface; and means (17) for pivoting said second mirrors (15) along an axis parallel to said surface. By actuating the means pivoting said first mirror (10) and the means pivoting said second mirrors (15), the beams (20) derived from said second mirrors describe beams (22) selectively scanning said zones (2). The invention is useful for heating soldering zones of electronic components.
Abstract:
The invention relates to a system (1) for delivering an X-ray beam, comprising a source block (100) that emits a source X-ray beam and conditioning means (500) for conditioning the source beam sent towards a specimen. The system (1) includes stabilization means (800) designed to thermally stabilize a region of the system (1) lying downstream of the source block (100), in order to limit heat transfer towards the conditioning means for the purpose of preventing thermal perturbations in the conditioning means (500).
Abstract:
L'invention concerne un système (1) de délivrance de faisceau de rayons X comprenant un bloc source (100) émettant un faisceau source de rayons X, des moyens de conditionnement (500) permettant de conditionner le faisceau source en direction d'un échantillon. Le système (1) comporte des moyens de stabilisation (800) agencés de manière à stabiliser thermiquement une zone du système (1) située en aval du bloc source (100), pour limiter des transferts thermiques vers les moyens de conditionnement en vue de prévenir des perturbations thermiques au niveau des moyens de conditionnement (500).
Abstract:
The invention relates to X-ray analytical instruments (RX), more precisely a device for providing a high energy X-ray beam, typically above 4 keV, for X-ray analysis applications. The device comprises an X-ray tube with a turning anode and an X-ray lens for shaping the beam.
Abstract:
Dispositif de transmission d'un rayon de lumière vers des zones d'une surface, comprenant un premier miroir (10) placé sur le chemin d'un rayon de lumière (11), issu d'une source de lumière (9), dirigé perpendiculairement à ladite surface (3) et déviant ce rayon parallèlement à cette surface; des moyens (13) pour faire pivoter ledit premier miroir selon un axe perpendiculaire à ladite surface, le rayon tourant (14) issu de ce second miroir effectuant un balayage rotatif; des deuxièmes miroirs (15) répartis autour et à distance dudit premier miroir (10), sur le chemin du rayon (14), et déviant sélectivement ce rayon vers ladite surface; et des moyens (17) pour faire pivoter lesdits deuxièmes miroirs (15) selon un axe parallèle à ladite surface. En actionnant les moyens de pivotement dudit premier miroir (10) et les moyens de pivotement desdits deuxièmes miroirs (15), les rayons (20) issus desdits deuxièmes miroirs décrivent des faisceaux (22) balayant sélectivement lesdites zones (2). Application au chauffage de zones de soudage de composants électroniques.