Patent ID: 11947271
Assignee: KULICKE & SOFFA LITEQ B.V.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A lithographic system for projecting an image onto a workpiece using radiation, the lithographic system comprising:
a support structure for supporting a workpiece;
a radiation source for providing radiation to project an image on the workpiece;
a reticle positioned between the radiation source and the workpiece; and
a mask being positioned within 100 mm of the reticle along a z-axis of the lithographic system, the mask being configured to block radiation from the radiation source, wherein the mask includes a body portion and a radiation absorbing coating applied to at least a portion of an external surface of the body portion, wherein the radiation absorbing coating is an inorganic black coating.