Patent ID: 7852983

Claim:
A diffractometer comprising: a source for generating X-ray radiation; means defining a sample position for disposition of a sample; a detector for registration of X-ray radiation emitted by the sample, wherein said source and said detector can be rotated with respect to an axis A that extends through said sample position, said source, said sample position and said detector being disposed in a common plane M that is perpendicular to said axis A; a first linkage disposed for rotation about said axis A and to which said source is mounted, said first linkage disposed at a first auxiliary center for rotation about a first auxiliary axis extending parallel to said axis A and at a fixed first separation therefrom; a second linkage disposed for rotation about said axis A and to which said detector is mounted, said second linkage disposed on a second auxiliary center for rotation about a second auxiliary axis extending parallel to said axis A at said fixed first separation therefrom; a guidance along which said first and/or said second auxiliary centers can be moved, said guidance extending mirror-symmetrically with respect to a plane E that contains said axis A and that has a same second separation from each of said first and said second auxiliary centers, wherein said sample position can be moved relative to said guidance in an x-direction extending in said plane E, perpendicularly to said axis A.