Patent ID: 11947264
Assignee: ASML NETHERLANDS B.V.
Field: Medical technology (Instruments)
Classification: CPC G  H | IPC G  H

Claim 16:
17. An actuator comprising:
a first body comprising a ring,
a second body, arranged movably with respect to the first body, comprising a shaft that is at least partially disposed within the ring,
at least one spring device, arranged between the first body and the second body, wherein the at least one spring device is configured to guide relative movements between the first body and the second body in a range of movement,
a coil, comprising one or more coil windings, and
a magnet, arranged within the one or more coil windings,
wherein the coil is associated with one of the first body or the second body and the magnet is associated with the other one of the first body or the second body,
wherein the coil is configured to generate a magnetic field when an electric current is applied through the one or more windings and wherein the generated magnetic field is configured to attract or repel the magnet in order to move the first body with respect to the second body in a displacement direction or a tangential direction, respectively, and
wherein the at least one spring device comprises two or more leaf springs, wherein each of the two or more leaf springs is connected to the first body and to the second body, wherein at least one of the leaf springs is in a non-planar state when the spring device is in an equilibrium position.