Method for production of composite piezoelectric material
Patent 4265841 Issued on May 5, 1981. Estimated Expiration Date: 
September 20, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 20, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3187068 3517093 3518756 3767505 3867299 Ceramic dielectrics Process for the manufacture of a capacitor dielectric with inner blocking layers Patent #: 4148853 InventorsAssigneeApplicationNo. 06/077264 filed on 09/20/1979US Classes:264/430, Producing or treating inorganic material, not as pigments, conductive enhancers, or fillers (e.g., ceramic, refractory material, etc.)264/123, Autogenously or by activation of dry coated particles264/435Molecular aligning or molecular orientating (e.g., poling, etc.)ExaminersPrimary: Lowe, JamesAttorney, Agent or FirmInternational ClassH01L 41/22 (20060101)Foreign Application Priority Data1978-09-21 JPAbstractDisclosed is a method of producing composite piezoelectric materials exhibiting a high flexibility and a high piezoelectric effect, comprising the steps of treating an inorganic dielectric material powder with a latex-containing dispersion so as to coat the surfaces of the powder particles with the rubber particles in a manner to provide encapsulated powder particles, kneading the encapsulated powder particles, shaping the kneaded mass, and polarizing the shaped mass.Field of SearchAutogenously or by activation of dry coated particles | |
