Patent ID: 11881495
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. An imaging device, comprising:
a semiconductor substrate having a first surface that receives light and a second surface opposite to the first surface;
a first photoelectric conversion region disposed in the semiconductor substrate;
a second photoelectric conversion region disposed in the semiconductor substrate and adjacent to the first photoelectric conversion region;
a first color filter region disposed over the first photoelectric conversion region, the first color filter region including a first region and a second region;
a second color filter region disposed over the second photoelectric conversion region, the second color filter region including a third region and a fourth region;
a separation region disposed between the first color filter region and the second color filter region, the separation region including a metal film and an insulating film; and
a microlens formed over the first and second color filter regions,
wherein the metal film is disposed between the first region and the third region, and
wherein the insulating film is disposed between the second region and the fourth region abutting the microlens without extending into the microlens in a cross-sectional view.