US 11,670,476 B2
X-ray anode, x-ray emitter and method for producing an x-ray anode
Anja Fritzler, Erlangen (DE); Peter Geithner, Erlangen (DE); Petra Maurer, Heroldsbach (DE); Thomas Weber, Hausen (DE); and Brigitte Streller, Memmelsdorf (DE)
Assigned to SIEMENS HEALTHCARE GMBH, Erlangen (DE)
Filed by Siemens Healthcare GmbH, Erlangen (DE)
Filed on Nov. 22, 2021, as Appl. No. 17/532,267.
Application 17/532,267 is a continuation of application No. 16/574,719, filed on Sep. 18, 2019, granted, now 11,227,739.
Claims priority of application No. 18196848 (EP), filed on Sep. 26, 2018.
Prior Publication US 2022/0084775 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01J 35/08 (2006.01)
CPC H01J 35/112 (2019.05) 33 Claims
OG exemplary drawing
 
1. An x-ray anode for an x-ray emitter, the x-ray anode comprising:
a structured surface provided for impingement with electrons, the structured surface including a surface structure that periodically alternates at least in sections and that has a varying depth extension, wherein
the varying depth extension and a periodicity of the surface structure are up to 40 μm.