Circuit board and oscillator device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12088253
APP PUB NO 20230291353A1
SERIAL NO

18181094

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Importance

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Abstract

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A circuit board includes: a semiconductor substrate including a first surface and a second surface located at an opposite side from the first surface; a circuit provided at a first surface side; a first external electrode provided at a second surface side; a heater provided at the second surface side; and a plurality of through electrodes penetrating the first surface and the second surface and electrically coupling the circuit and the first external electrode or the heater. The heater and the first external electrode do not overlap each other in a plan view.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mizugaki, Koichi Suwa, JP 37 255

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