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US 2019/0094293 A1Published application
Image sensor with test region
AssigneeSK hynix Inc.
InventorsYun-Hui YANG, Youngwoong DO
Life of this patent
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Abstract
An image sensor includes a pixel array and a test region adjacent to the pixel array. Each of the pixel array and the test region include a plurality of pixels, and each of the pixels in the test region include: a substrate including a photoelectric conversion element; and a transparent layer formed over the substrate and having an inclined top surface.
Claims20
An image sensor, comprising:
- a pixel array;
- and
- a test region adjacent to the pixel array, wherein each of the pixel array and the test region comprises a plurality of pixels, and
- each of the pixels in the test region comprises:
- a substrate including a photoelectric conversion element;
- and
- a transparent layer formed over the substrate and having an inclined top surface.
4 more elements
An image sensor comprising:
- a substrate including photoelectric conversion elements corresponding to a plurality of pixels, respectively;
- a transparent layer formed over the substrate, and having a flat first surface and an inclined second surface;
- and
- an inclination induction layer inserted between the transparent layer and the substrate, and overlapping the first surface of the transparent layer,
- wherein the plurality of pixels overlap the second surface of the transparent layer.
2 more elements
An image sensor, comprising:
- a pixel array;
- and
- first and second test regions adjacent to the pixel array, wherein each of the pixel array and the first and second test regions comprises a plurality of pixels and a substrate including a plurality of photoelectric conversion elements corresponding to the respective pixels,
- wherein the first test region comprises a first transparent layer formed over the substrate and having a flat first surface and an inclined second surface,
- the second test region comprises a second transparent layer formed over the substrate and having a flat third surface and an inclined fourth surface, and
- the second surface of the first transparent layer has a different inclination angle from the fourth surface of the second transparent layer.
3 more elements
Dependencies are inferred from the claim text.