JCIPRNET
Image sensor and method of manufacturing the same
An image sensor includes a semiconductor substrate, a photodiode formed in the semiconductor substrate, a microlens disposed over the photodiode, a first transfer transistor, a second transfer transistor and a capacitor. The first transfer transistor and the second transfer transistor are formed on the semiconductor substrate, and a memory node is formed in the semiconductor substrate between the first transfer transistor and the second transfer transistor, wherein the first transfer transistor is coupled to the photodiode. The capacitor is formed between the first transfer transistor and the second transfer transistor, and the capacitor includes a first electrode coupled to the memory node, a second electrode on the first electrode and extending to an edge of the photodiode, and a dielectric layer between the first and the second electrodes.
Powerchip Technology Corporation
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Wen-Hao Chih-Ping Ming-Yu Saysamone
Huang Chung Ho Pittikoun