US 12,593,446 B2 · Semiconductor device

Abstract

A semiconductor device includes a substrate, a doped ring, a plurality of contacts, and a plurality of conductive lines. The substrate includes a first region and a second region surrounding the first region. The doped ring is located in the substrate in the second region and surrounds the first region. The doped ring includes a first doped region and a plurality of second doped regions. The first doped region is located in the substrate in the second region and surrounds the first region. The first doped region has an opening. The second doped regions are separated from each other and located in the substrate of the opening. The contacts are electrically connected to the second doped regions. The conductive lines are connected to the contacts and a plurality of conductive layers in the first region.

Claims19

Dependent claims

A semiconductor device, comprising:

a substrate, comprising a first region and a second region, wherein the second region surrounds the first region;
a doped ring, located in the substrate in the second region, and surrounding the first region, wherein the doped ring comprises:
a first doped region, located in the substrate in the second region, and surrounding the first region, wherein the first doped region has an opening;
and
a plurality of second doped regions, separated from each other, and located in the opening;
a plurality of contacts, electrically connected to the plurality of second doped regions and ends of the first doped region;
and
a plurality of conductive lines, connected to the plurality of contacts, and connected to a plurality of conductive layers in the first region.

5 more elements

Dependencies are inferred from the claim text.

Semiconductor device

Life of this patent

Semiconductor device

Life of this patent

Abstract

Claims19