Patent ID: 11935811
Assignee: INFINEON TECHNOLOGIES AG
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A method comprising:
producing a baseplate with a uniform first thickness or a thickness which decreases continuously from edge regions toward the center;
locally increasing the first thickness up to a maximum second thickness in a region of at least one elevation, wherein the at least one elevation is formed integrally with the baseplate;
producing a first layer comprising a first material, wherein the first layer has a uniform third thickness or a thickness which decreases continuously from the edge regions towards the center and which is increased in each case up to a maximum fourth thickness in the region of the at least one elevation; and
producing a second layer comprising the first material and a second material, wherein
the first layer forms a core completely surrounded by the second layer on all sides, and
the second layer has a fifth thickness throughout.