Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/34828

Title3 axis polymeric accelerometer and method of production
Author(s)Rocha, L. A.
Silva, Cátia;
Pontes, A. J.
Viana, J. C.
Issue date2012
Abstract(s)The present invention consists in a thermal accelerometer capable of detecting acceleration in multiple axes. The accelerometer is made of four microinjected polymeric parts (1, 2, 3, 4), which can be two identical top parts and two identical central parts or four different parts, which are assembled with active polymeric membranes (5, 6, 7) to construct the 3-axis acceleration sensing device. The microinjected parts provide mechanical support for the heater and temperature sensors that are placed on the membranes. The device operating gas medium is hermetically sealed by the polymer parts and electrical current applied to the heater causes the air to heat and external acceleration imposes a gradient of temperature sensed by the thermal sensing elements.
TypePatent
URIhttp://hdl.handle.net/1822/34828
Peer-Reviewedyes
AccessOpen access
Appears in Collections:IPC - Patentes Internacionais/International Patents

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