Anti-scatter grid with an end stop element for stacked arrangement with a sensor element

1 . An anti-scatter grid for stacked arrangement with a sensor element for a detection of X-ray radiation, the anti-scatter grid comprising:

a collimator element formed as a single, integral component and including a plurality of collimator walls having a wall height along a stacking direction, wherein the plurality of collimator walls are arranged adjoining one another in at least one first direction perpendicularly to the stacking direction;

wherein at least one collimator wall of the collimator element includes at least one end stop element that extends beyond the wall height in the stacking direction and defines a stop surface that positions the sensor element at a predetermined position relative to the collimator element along the stacking direction;

wherein the at least one end stop element is connected to the plurality of collimator walls via a predetermined fracture site, wherein the predetermined fracture site is provided as a wall region of the plurality of collimator walls with an increased porosity relative to a remainder of the plurality of collimator walls.

2 . The anti-scatter grid of claim 1 , wherein the collimator element is produced by an additive production technique.

3 . The anti-scatter grid of claim 2 , wherein the collimator element is produced by a method of selective laser melting or laser sintering.

4 . The anti-scatter grid of claim 1 , wherein the collimator element includes a plurality of end stop elements that are arranged distributed on the collimator element such that they delimit an area which is equal to an areal extent of a sensor element that is to be arranged in a stacked arrangement therewith, at least on two sides.

5 . The anti-scatter grid of claim 1 , wherein the collimator element of the anti-scatter grid includes at least twice an areal extent of a sensor element that is to be arranged in a stacked arrangement therewith, and wherein the collimator element includes a plurality of end stop elements that are arranged distributed on the collimator element such that they delimit at least two areas that are each equal to the areal extent of a sensor element that is to be arranged in a stacked arrangement therewith, each at least on one side.

6 . The anti-scatter grid of claim 5 , wherein a first portion of the end stop elements is connected via a predetermined fracture site to a respective collimator wall and a second portion of the end stop elements is connected without predetermined fracture sites to the respective collimator wall.

7 . An X-ray detector comprising:

at least one sensor element for X-ray radiation; and

at least one anti-scatter grid comprising:

a collimator element formed as a single, integral component and including a plurality of collimator walls including a wall height extending along a stacking direction, wherein the plurality of collimator walls are arranged adjoining one another in at least one first direction perpendicularly to the stacking direction of a stacked arrangement, wherein at least one collimator wall of the collimator element includes at least one end stop element that extends beyond the wall height in the stacking direction and defines a stop surface that positions the sensor element at a predetermined position relative to the collimator element along the stacking direction, wherein the at least one end stop element is connected to the plurality of collimator walls via a predetermined fracture site, wherein the predetermined fracture site is provided in a form of a perforation of the plurality of collimator walls.

8 . The X-ray detector of claim 7 , wherein the collimator element of the anti-scatter grid and the at least one sensor element are adhesively bonded to one another.

9 . The X-ray detector of claim 7 , further comprising: an X-ray source placed opposite to the X-ray detector that is configured to irradiate the X-ray detector with X-ray radiation.

10 . A method for providing a stacked arrangement of an anti-scatter grid and at least one sensor element for detection of X-ray radiation, the method comprising:

providing an anti-scatter grid comprising at least one collimator element formed as a single, integral component and having a plurality of collimator walls with a wall height extending along a stacking direction;

providing the at least one sensor element;

relative positioning of the collimator element and the sensor element over one another along the stacking direction such that the sensor element is brought into abutment with at least one end stop element integrally formed on at least one collimator wall, the end stop element extending beyond the wall height and defining a stop surface that positions the sensor element at a predetermined position relative to the collimator element;

fixing the relative position of the anti-scatter grid and the sensor element; and

removing the end stop element from the collimator element.

11 . The method of claim 10 , wherein a plurality of sensor elements are associated with a common collimator element, wherein firstly a first sensor element of the plurality of sensor elements is positioned relative to the collimator element and a second sensor element of the plurality of sensor elements is positioned relative to the collimator element, and wherein before the positioning of the second sensor element, at least one end stop element is removed from the collimator element.