| 摘要 |
In a CCD type solid state image pickup device including a semiconductor substrate having photo/electro conversion portions and a first insulating layer formed on the semiconductor substrate, a plurality of charge transfer electrodes are formed on the first insulating layer and are a double structure formed by a first conductive layer and a second conductive layer having a lower resistance value than the first conductive layer. A second insulating layer is interposed between two adjacent ones of the charge transfer electrodes.
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