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Patent Searching and Data


Title:
PHYSICAL QUANTITY DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/064887
Kind Code:
A1
Abstract:
Provided is a physical quantity detection device capable of suppressing the influence of heat on a sensor resulting from size reduction. This physical quantity detection device 20 comprises a chip package 208 in which a flow sensor 205 and electronic component are sealed with resin and a circuit board 207 having the chip package 208 mounted thereon. The chip package 208 is fixed to the board surface of the circuit board 207 in a state in which a portion thereof protrudes laterally from an edge of the circuit board 207. The circuit board 207 has a flat margin area S on the board surface that is wider than the chip package 207 and is located at a position offset from the chip package 208 in the opposite direction from the protrusion direction.

Inventors:
YOGO TAKAYUKI (JP)
FATIN FARHANAH BINTI HARIDAN (JP)
UENODAN AKIRA (JP)
MIKI TAKAHIRO (JP)
HOSHIKA HIROAKI (JP)
Application Number:
PCT/JP2018/028386
Publication Date:
April 04, 2019
Filing Date:
July 30, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
G01F1/684; G01K1/14; G01K13/02
Foreign References:
JP2013525756A2013-06-20
JP2017096855A2017-06-01
JP2015219111A2015-12-07
JP2015004557A2015-01-08
US6176131B12001-01-23
Attorney, Agent or Firm:
TODA Yuji (JP)
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