Patent ID: 11923425
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for manufacturing a device, the method comprising:
providing an ultra-high voltage (UHV) component that includes a source region and a drain region;
forming an oxide layer on a top surface of the UHV component;
forming a shielding structure to be in contact with a portion of the oxide layer provided above the drain region,
wherein the shielding structure comprises an implant polysilicon material;

forming a high voltage interconnection that connects to a first portion of the shielding structure and to a first terminal associated with the drain region; and
forming a metal routing that connects a second portion of the shielding structure and a second terminal associated with the source region.