An apparatus for conveying a substrate , the apparatus comprising a rail-like first travel path having a longitudinal extension and a first travel unit adapted to perform a movement relative to the first travel path along the longitudinal extension of the first travel path , wherein the first travel path and the first travel unit are adapted to cooperate in such a way that the movement of the first travel unit is effected due to a magnetic interaction between the first travel path and the first travel unit , and wherein the first travelling unit comprises a first holding unit which is designed to assume an open and a closed state, wherein in the open state a portion of the substrate can be inserted into the first holding unit and in the closed state the portion is held by the first holding unit , wherein the apparatus further comprises a second rail-like travelling section with a longitudinal extension and a second travelling unit , which is designed to carry out a movement relative to the second travel path along the longitudinal extent of the second travel path , the second travel path and the second travel unit being designed to interact in such a way that the movement of the second travel unit is effected on the basis of a magnetic interaction between the second travel path and the second travel unit , the second travel unit having a second holding unit which is designed for this purpose, to assume an open and a closed state, wherein in the open state a second portion of the substrate can be inserted into the holding unit and in the closed state the second portion is held by the second holding unit , the apparatus comprising a third travelling unit (24") which is adapted to perform a movement relative to the first travelling section along the longitudinal extension of the first travelling section , the first travelling section and the third travelling unit (24") being adapted to cooperate in such a manner, in that the movement of the third travel unit (24") is effected on the basis of a magnetic interaction between the first travel section and the third travel unit (24"), the third travel unit (24") having a holding unit which is designed to assume an open and a closed state, it being possible to insert a third section of the substrate into the holding unit in the open state, and the third section being held by the holding unit in the closed state, and wherein the apparatus comprises a fourth travel unit (24"') which is adapted to perform a movement relative to the second travel path along the longitudinal extension of the second travel path , wherein the second travel path and the fourth travel unit are adapted to cooperate in such a way that the movement of the fourth travel unit is effected due to a magnetic interaction between the second travel path and the fourth travel unit , wherein the fourth traveling unit comprises a holding unit adapted to assume an open and a closed state, wherein in the open state a fourth portion of the substrate can be inserted into the holding unit and in the closed state the fourth portion is retained by the holding unit , wherein the holding units of the first and second traveling units are adjusted to provide a first holding force, and the holding units of the third and fourth traveling units (24", 24''') are adjusted to provide a second holding force, wherein the first holding force is greater than the second holding force. <EOS>