Microlens design for compact lens system

Hung-Jen Hsu; Fu-Tien Weng; Chih-Kung Chang; Yu-Kung Hsiao

doi:10.1117/12.501330

24 April 2003 Microlens design for compact lens system

Hung-Jen Hsu, Fu-Tien Weng, Chih-Kung Chang, Yu-Kung Hsiao

Proceedings Volume 5116, Smart Sensors, Actuators, and MEMS; (2003) https://doi.org/10.1117/12.501330
Event: Microtechnologies for the New Millennium 2003, 2003, Maspalomas, Gran Canaria, Canary Islands, Spain

Abstract

This paper is about the definition and requirement of Compact lens system. One important application of the CMOS image sensor module is to capture a still image or continuous images when it is bundled with cellular phones (embedded, not add-on module). This type of application is related to the so-called “compact lens system.” We will make a description of image forming at pixel and image forming at chip and introduce the experiments of microlens shift. The discussion of the experimented results will include several factors: a) the color filter stack thickness b) the IC stack thickness c) fill factor d) the shape of photo diode. At last, check what problems may happen in actual microlens shift applications. From all above, we can understand the requirement of compact lens system.

Citation Download Citation

Hung-Jen Hsu, Fu-Tien Weng, Chih-Kung Chang, and Yu-Kung Hsiao "Microlens design for compact lens system", Proc. SPIE 5116, Smart Sensors, Actuators, and MEMS, (24 April 2003); https://doi.org/10.1117/12.501330

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