This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Allied Corporation. Active years: 1985.
Company Filing History:
Years Active: 1985
Title: The Innovations of Donald L. Lee
Introduction
Donald L. Lee is a notable inventor based in Orono, ME (US). He has made significant contributions to the field of piezoelectric materials, particularly through his innovative patents. With a total of 2 patents, Lee has demonstrated his expertise and commitment to advancing technology.
Latest Patents
Lee's latest patents focus on temperature compensated orientations of berlinite for surface acoustic wave devices. The first patent describes a piezoelectric wafer of single crystal berlinite, featuring a surface defined by an X-axis boule cut at an angle ranging from about 94° to 104°. This design provides an improved substrate for surface acoustic wave devices, offering excellent temperature compensation from -55°C to 125°C, along with a high piezoelectric coupling coefficient. The second patent presents a similar concept, with the boule cut at an angle of approximately 85°. This angle is relatively easy to fabricate and provides excellent temperature compensation in a range from 20°C to 100°C, also achieving a high piezoelectric coupling coefficient.
Career Highlights
Donald L. Lee is associated with Allied Corporation, where he has been able to apply his innovative ideas and research. His work has contributed to advancements in the field of surface acoustic wave technology, showcasing his ability to merge theoretical knowledge with practical applications.
Collaborations
Lee has collaborated with notable colleagues, including Jeffrey C. Andle and Bruce H. Chai. These partnerships have likely enhanced his research and development efforts, leading to successful innovations in his field.
Conclusion
Donald L. Lee's contributions to the field of piezoelectric materials and surface acoustic wave devices highlight his innovative spirit and dedication to technology. His patents reflect a commitment to improving device performance through temperature compensation, making a significant impact in his area of expertise.