Abstract: A micromanipulator for the displacement of a sample carrier according to different degrees of freedom by means of displacement members (26) fixed to elastic bellows (21.sub.1, 21.sub.2, 21.sub.3, 23), which participate in the transmission of movement through a wall (37). At least one rotary movement of the sample carrier is transmitted through the said wall by means of a transmission pin (11.sub.1, 11.sub.2) movable in translation, which is fixed to a said bellows (21.sub.1, 21.sub.2). At least one translatory movement of the sample carrier can also be transmitted by at least one respective transmission pin (11.sub.3) movable in translation. The transmission pins operate in the translation mode parallel to a single direction. The sample carrier can perform on the one hand a translatory displacement and on the other hand a rotary displacement according to a rotation in its plane and according to a rotation by inclination of the said plane.

Abstract: A device that includes a heating sample carrier which has a carrying surface, an electrical heating system and a frame support for receiving a frame. The electrical heating system is formed of a disk of a refractory insulating material.