Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masatoshi Tokunaga0
Date of Patent
May 1, 2007
0Patent Application Number
110758850
Date Filed
March 10, 2005
0Patent Primary Examiner
Patent abstract
A semiconductor dynamic quantity sensor includes moving parts displaceable in a predetermined direction over a supporting substrate and a beam portion for connecting said supporting substrate and said moving parts. The beam portion includes beams arranged in parallel and connected together at first end portions by a connecting portion. The beams bend in a direction perpendicular to the longitudinal direction of said beams. Outer side beams have an equal length and are fixed at other end portions to said supporting substrate. The moving parts are connected to the other end portion of another beam. The outer side beams and connecting portion have a parameter (A/B)/(T/L) equal to at least 20.
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