There is disclosed a mobile radiographic imaging apparatus including a component operable to emit radiation for imaging a subject, an arm rotatably connected at a proximal end thereof to a body section of the apparatus, such that it is supported by the body section and can slew relative to the body section about an upright axis, and to a distal end of which said component is connected, and a generator assembly arranged in the body section and including a generator arranged in the casing and electrically connected to said component, the apparatus being configured such that the generator assembly rotates with the arm, about said axis, wherein the generator assembly has a centre of mass which is radially offset from said axis in a second direction that is substantially opposite to said first direction.

The present invention is related to technologies used to inspect flexible undersea pipes, in particular to detect flooding of the annular space in said pipes. The present invention discloses a device for detecting annular flooding with gamma transmission in a flexible pipe, comprising a structure (07), in which said structure (07) contains in its interior, a first pressure vessel (10) containing an encapsulated radioactive source (03) in its interior, a second pressure vessel (11) containing radiation sensors (04) in its interior, and a third pressure vessel (12), containing electronic means for collecting and amplifying signals (05) in its interior, in which said radiation sensors (04) are connected to the electronic means (05) for collecting and amplifying signals using an internal cable (13). The present invention also discloses a unit for detecting annular flooding with gamma transmission in a flexible pipe based on the gamma transmission technique, comprising a device (50) for detecting annular flooding with gamma transmission in a flexible pipe (01) coupled to an ROV (02), in which coupling occurs through a control arm (08) of the ROV (02), and the device is controlled and operated exclusively via the umbilical cable (06) connected to the ROV (02), and a method for detecting annular flooding with gamma transmission in a flexible pipe.

A thickness of a bonding material (8) is varied in a radial direction orthogonal to a central axis (P) of the tubular anode member (6), the bonding material (8) being used for bonding a transmitting substrate (7) for supporting a target layer (9) and a tubular anode member (6) in a direction along the central axis (P). Thus, a region in which a circumferential tensile stress of the bonding material (8) is alleviated is formed in the direction along the central axis (P) to prevent a crack from developing in the bonding material (8).

A cabinet x-ray device for imaging seeds includes an x-ray source configured to transmit an x-ray beam along a beam path. A seed holder is configured to hold seeds and be selectively positioned in the x-ray device such that the beam path crosses the seed holder and the x-ray beam passes through at least some of the seeds. An x-ray detector is configured to detect the x-ray beam after passing through the seeds such that one or more x-ray images of the seeds can be formed. Self-supporting x-ray shielding can extend circumferentially around the x-ray beam to mitigate x-ray transmission outside the device. A drive mechanism can automatically move the seed holder so that discrete x-ray images of subsets of seeds are taken in an automatic seed imaging operation. Various seed evaluations and seed process evaluations can be made using the device.

An apparatus for selecting products on the basis of their composition via X-ray fluorescence spectroscopy comprises an X-ray source that emits an X-ray beam towards a product sample, and a particle detector for receiving an X-ray beam diffused by said product sample and generating a signal received that can be analysed to determine a chemical composition of said product sample and select a type of product corresponding to said chemical composition of the product sample.

According to the invention, the aforesaid apparatus comprises a first vacuum chamber located between an output of the apparatus facing the product sample and said X-ray source, and a second vacuum chamber located between said output of the apparatus facing the product sample and said detector,

said apparatus further comprising an optical module with polycapillary lens located downstream of said X-ray source, which is configured for focusing said X-ray beam and is moreover associated in a vacuum-tight way to said first vacuum chamber.

The present disclosure relates to an X-ray imaging apparatus. The X-ray imaging apparatus includes a first column connected to a main body, a second column connected to the first column and provided to be movable relative to the first column, an arm connected to the second column and slidably provided along the second column, and a weight compensator provided to compensate for the weight of the second column and the arm, wherein the weight compensator, the second column and the arm are connected by a wire, and the second column is provided with an elastic member connected to the arm and providing an elastic force such that the arm is moved by a uniform force regardless of the position of the second column.

An X-ray collimator (30) that comprises: a collimator body (31) comprising: a collimation conduit (32) provided with an inlet (320), configured to be connected to an X-ray source (20) for the inlet of a beam (B) of X-rays, and an outlet (321), configured to emit a collimated portion (B1) of the X-ray beam (B); and a derivation conduit (33) inclined with respect to the collimation conduit (32), wherein the derivation conduit (33) is provided with an inlet (330), configured to be connected to the X-ray source (20) for the inlet of a peripheral portion (B2) of the same X-ray beam (B) emitted by the source (20), and an outlet (331); a reference detector (40) fixed to the collimator body (31) and provided with an inlet window (41) facing the outlet (331) of the derivation conduit (33).

A system for imaging a target object comprises a first unmanned vehicle including a source of penetrating radiation. The first vehicle positions the source such as to direct the radiation toward the target object. A second unmanned vehicle comprises an image detector for registering a spatial distribution of the radiation as an image, in which the second vehicle positions the detector to register the distribution of radiation when transmitted through the target object. These unmanned vehicles are autonomous vehicles adapted for independent propelled motion, and comprise a positioning unit for detecting a position of the vehicle. A processing unit controls the motion of the unmanned vehicles to acquire at least two images corresponding to at least two different projection directions of the radiation through the target object. The processing unit is adapted for generating data representative of an internal structure of the target object from the at least two images.

An X-ray generator includes: a line X-ray source; a multilayer film mirror; and a side-by-side reflecting mirror including two concave mirrors joined together so as to share a join line. A cross section of a reflecting surface of the multilayer film mirror has a parabolic shape, and a focus of the parabolic shape is located at the line X-ray source. Cross sections of reflecting surfaces of the two concave mirrors of the side-by-side reflecting mirror each have a parabolic shape, and each of focuses of the parabolic shapes is located on a side opposite to the multilayer film mirror. An extended line of the join line of the side-by-side reflecting mirror passes through the multilayer film mirror and the line X-ray source as viewed in a plan view.

An X-ray detector according to a present embodiment includes: an optical sensor array configured to generate an electric signal by receiving X-rays; a substrate including at least an element that performs A/D conversion on the electric signal; a first support plate configured to hold a separator for removing scattered radiation; and a second support plate that is formed of a material being higher in thermal conductivity than the first support plate and is provided in contact with the substrate at least in part.