Photo receiver

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11837620
APP PUB NO 20210242268A1
SERIAL NO

17158537

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Abstract

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A photo receiver includes a photo detector including a semiconductor substrate having a first main surface and a second main surface and a metal pattern layer provided on the second main surface; and a carrier including a supporting substrate having a third main surface facing the second main surface and a solder pattern layer provided on the third main surface. The solder pattern layer is bonded to the metal pattern layer. The first main surface is provided with a variable optical attenuator, an optical 90-degree hybrid device, and a plurality of photodiodes optically coupled to the variable optical attenuator via the optical 90-degree hybrid device. The solder pattern layer and the metal pattern layer are located in a peripheral area surrounding a central area where the variable optical attenuator and the optical 90-degree hybrid device are located when viewed in the normal direction of the first main surface.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC INDUSTRIES LTDOSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurokawa, Munetaka Osaka, JP 32 131
Okimoto, Takuya Osaka, JP 15 15
Yagi, Hideki Osaka, JP 86 766

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