Polymeric blends for sensor and actuation dual functionality.U.S. patent: 6,689,288 Issued: February 10, 2004 Inventor: Terry L. St. Clair, Joycelyn S. Harrison, Ji Su and Zoubeida Ounaies Assigned: The United States of America UNITED STATES OF AMERICA. The name of this country. The United States, now thirty-one in number, are Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, as represented by the Administrator of the National Aeronautics and Space Administration National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space exploration, artificial satellites (see satellite, artificial), Key Statement: Electroactive polymeric blend materials which offer both sensing and actuation dual functionality. The materials are blends of a sensing component selected from the group consisting of ferroelectric, piezoelectric The property of certain crystals that causes them to produce voltage when a mechanical pressure is applied to them such as sound vibrations. This technique is used to build crystal microphones, phonograph cartridges and strain gauges, all of which turn mechanical movement into voltage. , pyroelectric py·ro·e·lec·tric adj. Relating to or exhibiting pyroelectricity. n. A pyroelectric material. Adj. 1. pyroelectric - relating to or exhibiting pyroelectricity pyroelectrical and photoelectric polymers and an actuating component that responds to an electric field in terms of dimensional change. |
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