Patent ID: 11955501
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 10:
11. An image-sensing structure, comprising:
a multi-faceted stack structure comprising a first layer with a first refractive index and a second layer with a second refractive index different from the first refractive index;
a multi-faceted radiation-sensing region comprising a first epitaxial layer disposed on the multi-faceted stack structure;
a second epitaxial layer in contact with a top surface of the multi-faceted radiation-sensing region;
an implant layer in contact with a top surface of the second epitaxial layer; and
a spacer in contact with a sidewall of the multi-faceted radiation-sensing region, a sidewall of the second epitaxial layer, and a sidewall of the implant layer.