Light block for pixel arrays

Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation

Reexamination Certificate

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Details

C438S065000, C438S072000, C438S048000

Reexamination Certificate

active

07662656

ABSTRACT:
Imager devices are formed with light block material between microlenses to enhance the characteristics of image acquisition. The light block material may be deposited over the lenses, and then partially removed to expose central portions of the lenses. The invention is applicable to, among other things, imager devices having pixel arrays formed with the light block material and integrated with one or more processing components in a semiconductor device.

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patent: 6573488 (2003-06-01), Takeshita et al.
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patent: 2001/0042876 (2001-11-01), Wester
patent: 2005/0007669 (2005-01-01), Sakai
patent: 2005/0056901 (2005-03-01), Kuriyama
patent: 2006/0006485 (2006-01-01), Mouli

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