| 摘要 |
PROBLEM TO BE SOLVED: To provide a photoelectric conversion element which is low-priced and small in element size and has sensitivity to light in a specific wavelength range by using only a general semiconductor manufacturing process.SOLUTION: A photoelectric conversion element comprises a first semiconductor layer (41) having a first conductivity type and a second semiconductor layer (42) which is formed on a surface of the first semiconductor layer (41) and has a second conductivity type, a light reception region of the second semiconductor layer (42) including a region which increases in impurity density from an outermost surface to a reverse surface in a depth direction from the outermost surface to the reverse surface.SELECTED DRAWING: Figure 1 |
