| 摘要 |
Embodiments relate to a horizontal type bipolar junction transistor element (BJT) and a CMOS image sensor having the same to form a photodiode. In embodiments, the bipolar junction transistor as well as collector current may flow uniformly in a horizontal direction, which may increase the entire amount of current. In embodiments, large current gain may be obtained. In embodiments, a bipolar junction transistor element with various current gains can be manufactured
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