佐藤：如果电路太宽，我们就会损失感光面积。
Sato : If the circuits are too wide , we would lose light-sensing surface area .
传感器和数字电路之间的最大区别就在于要保证最大的感光面积。
The biggest difference between sensor and digital circuits lies in the need to guarantee the maximum in light-sensing surface area .
感光面积