IP Library › Granted Patent US 12699245
Granted Patent B2
US 12699245 · App. 18/822,493 · Granted Aug 4, 2026

Homogeneous support for large optical elements

Inventors: Torsten Beck (Stuttgart, DE); Silke Thierfelder (Ditzingen, DE); Michael Fischer (Stuttgart, DE); Andreas Heimes (Althengstett, DE); Thomas Zeller (Sindelfingen, DE)
Assignee: TRUMPF LASER- UND SYSTEMTECHNIK GMBH
G02B7/02
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Quick Facts
Patent No.
US 12699245
App. No.
18/822,493
Granted
Aug 4, 2026
Kind
B2
Abstract

A device mounts a large-scale optical unit, and includes a carrier plate; a rigid support surface, which is arranged on the carrier plate and is designed for mounting a bottom surface of the large-scale optical unit in a predetermined position and a predetermined orientation; and an elastic support surface, which is arranged on the carrier plate and is designed for mounting the bottom surface of the large-scale optical unit elastically. The rigid support surface is designed for mounting the large-scale optical unit at a Bessel point of the large-scale optical unit.

Claims (14)

1 . A device for mounting a large-scale optical unit, the device comprising:

a carrier plate;

a rigid support surface, which is arranged on the carrier plate and is designed for mounting a bottom surface of the large-scale optical unit in a predetermined position and a predetermined orientation; and

an elastic support surface, which is arranged on the carrier plate and is designed for mounting the bottom surface of the large-scale optical unit elastically,

wherein the rigid support surface is designed for mounting the large-scale optical unit at a Bessel point of the large-scale optical unit.

2 . The device as claimed in claim 1 , wherein a metal film or a plastics film is arranged on the rigid support surface.

3 . The device as claimed in claim 1 , wherein the device is configures such that more than 50 percent of the weight force of the large-scale optical unit acts on the elastic support surface.

4 . The device as claimed in claim 1 , wherein the elastic support surface comprises a spring strip with a plurality of elastic springs.

5 . The device as claimed in claim 4 , wherein a gradient of a spring characteristic curve of the elastic springs of the spring strip is between 0.1 N/mm and 10 N/mm.

6 . The device as claimed in claim 4 , wherein a material of the spring strip comprises metal or plastic.

7 . The device as claimed in claim 1 , wherein the elastic support surface comprises a plurality of threaded screws.

8 . The device as claimed in claim 1 , wherein the elastic support surface comprises a plastic bearing.

9 . The device as claimed in claim 1 , wherein the elastic support surface comprises at least one of a hydrostatic, a hydrodynamic bearing, an aerostatic, or an aerodynamic bearing.

10 . The device as claimed in claim 7 , wherein the threaded screws comprise an elastic spring.