发明名称 |
Image sensor device with light blocking structure |
摘要 |
The disclosure provides an image sensor device and a manufacturing method. The image sensor device includes a semiconductor substrate and a light sensing region in the semiconductor substrate. The image sensor device also includes a light blocking structure in the semiconductor substrate and adjacent to the light sensing region. A sidewall of the light blocking structure is a curved surface. |
申请公布号 |
US9324752(B2) |
申请公布日期 |
2016.04.26 |
申请号 |
US201414192322 |
申请日期 |
2014.02.27 |
申请人 |
Taiwan Semiconductor Manufacturing Co., Ltd. |
发明人 |
Chien Volume;Lin Kun-Huei;Wei Chia-Yu;Tseng Allen;Jeng Chi-Cherng;Liu Chuan-Pu |
分类号 |
H01L27/148;H01L27/146 |
主分类号 |
H01L27/148 |
代理机构 |
Birch, Stewart, Kolasch & Birch, LLP |
代理人 |
Birch, Stewart, Kolasch & Birch, LLP |
主权项 |
1. An image sensor device, comprising:
a semiconductor substrate; a light sensing region in the semiconductor substrate; and a light blocking structure in the semiconductor substrate and adjacent to the light sensing region, wherein a sidewall of the light blocking structure in a cross-sectional view of the image sensor is a curved surface, wherein the cross-sectional view of the image sensor is taken along an imaginary plane parallel to a normal direction of a top surface of the semiconductor substrate. |
地址 |
Hsin-Chu TW |