Location History:
- Carmel, IN (US) (2006)
- Westfield, IN (US) (2007 - 2012)
- Palm Beach Gardens, FL (US) (2014)
Company Filing History:
Years Active: 2006-2014
Title: The Innovative Contributions of De Liufu
Introduction
De Liufu is a notable inventor based in Westfield, Indiana, who has made significant contributions to the field of piezoelectric ceramics. With a total of eight patents to his name, he has developed innovative materials and methods that enhance the performance of piezoelectric devices. His work is characterized by a deep understanding of material science and engineering.
Latest Patents
Among his latest patents, De Liufu has developed compositions for high power piezoelectric ceramics. This PZT-type piezoelectric ceramic material features a perovskite structure of the ABO type, with a stoichiometric ratio of AB set at 1:1. The 'A' component is lead strontium (PbSr), while the 'B' component consists of (MnSb)(ZrTi). The specific parameters for the components are meticulously defined, with Z ranging between 0.02 and 0.03, x between 0.03 and 0.07, and y between 0.40 and 0.60. Additionally, the material includes dopants such as cerium (Ce), copper (Cu), and niobium (Nb), each provided in amounts of up to 2 wt. %, with a combined total of these dopants between 1 wt. % and 4 wt. %. Furthermore, he has disclosed methods for preparing these PZT ceramic materials by combining various oxides and calcining them to achieve the desired composition. Another significant patent involves a method for manufacturing a piezoelectric ceramic body, which includes mixing ceramic powder with a polymer binder, casting it into a mold, and sintering it to create a sintered ceramic body. This body can be further processed to form piezoelectric ceramic-polymer composites, which are essential for devices like acoustic transducers and sensors.
Career Highlights
De Liufu has worked with several companies, including Piezotech LLC and Sonavation, Inc. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in piezoelectric technology.
Collaborations
One of his notable collaborators is Louis Regniere, with whom he has worked on various projects related to piezoelectric materials and devices.
Conclusion
De Liufu's contributions to the field of piezoelectric ceramics are marked by his
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