Light detection device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11929378
APP PUB NO 20230230988A1
SERIAL NO

18120594

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A light detection device includes: a back-illuminated light receiving element; a circuit element; a connection member; an underfill; and a light shielding mask. The light shielding mask includes a frame having an opening and a light shielding layer formed on an inner surface of the opening. A first opening edge on the side of the circuit element in the opening is located at the outside of an outer edge of the light receiving element. A second opening edge opposite to the circuit element in the opening is located at the inside of the outer edge of the light receiving element. The opening is narrowed from the first opening edge toward the second opening edge. A width of the frame increases from the first opening edge toward the second opening edge. The underfill reaches a gap between the light receiving element and the light shielding layer.

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Patent Owner(s)

  • HAMAMATSU PHOTONICS K. K.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Nao Hamamatsu, JP 30 41
Koike, Ryosuke Hamamatsu, JP 5 2
Nakayama, Haruyuki Hamamatsu, JP 10 135

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