Patent ID: 11901257
Assignee: INFINEON TECHNOLOGIES AG
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 20:
21. A semiconductor package, comprising:
a semiconductor chip;
an encapsulation body encapsulating the semiconductor chip; and
a metal sheet having a first sheet surface and an opposite second sheet surface,
wherein the first sheet surface is exposed at the encapsulation body,
wherein the semiconductor chip is arranged at the second sheet surface,
wherein the first sheet surface has a pattern having first subdivisions having a first average roughness and second subdivisions having a second average roughness,
wherein the first average roughness is greater than the second average roughness,
wherein the pattern is completely surrounded by an edge of the first sheet surface,
wherein the edge has a minimum width of at least 0.2 mm,
wherein the edge has the second average roughness.