| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress degradation in image quality. <P>SOLUTION: A solid state image pickup device according to an embodiment comprises a photodiode 5 that is provided in a photodiode formation region 50 and includes at least one impurity layer 55 and a cavity 59 that is provided in the photodiode formation region 50 and under the photodiode 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
