Location History:
- Bishops Stortford, EN (1978)
- Hertfordshire, GB (1984)
- Stortford, GB (1984 - 1986)
- Bishop's Stortford, GB (1984 - 1987)
Company Filing History:
5 out of 767 
2 out of 747 
1 out of 232 Years Active: 1978-1987
Title: The Innovations of John H. Alexander
Introduction
John H. Alexander, an accomplished inventor based in Bishop's Stortford, GB, holds a remarkable portfolio of nine patents. His work in the field of dielectric compositions and ceramic capacitors has significantly influenced the technology landscape. As an inventor, he has contributed to innovations that enhance the performance and reliability of electronic components.
Latest Patents
One of John H. Alexander's latest patents focuses on a dielectric composition that includes a ternary system comprising non-stoichiometric lead magnesium niobate, non-stoichiometric lead zinc niobate, and non-stoichiometric lead iron niobate. This innovative composition incorporates a small amount of one or more oxide additives, aimed at reducing the tan delta value when compared with the ternary system alone. The additives may consist of nickel oxide, stoichiometric lead nickel niobate, ceric oxide, lead oxide, zirconium oxide, silver oxide, manganese dioxide, lanthanum oxide, and cobalt oxide. The resulting compositions can be fired at temperatures ranging from 950°C to 1100°C, achieving dielectric constants between 10,700 and 16,600 at 20°C. This advancement makes the dielectric composition particularly useful for high silver content multilayer ceramic capacitors.
Career Highlights
Throughout his career, John H. Alexander has been associated with notable companies including Itt Industries, Inc. and International Standard Electric Corporation. His work within these organizations has aided in developing innovative technologies that push the boundaries of electrical engineering, particularly in the area of capacitors.
Collaborations
John has collaborated with distinguished colleagues such as Henley F. Sterling and Eric L. Bush. This teamwork has led to the exploration of advanced materials and designs, contributing to their shared success in the industry.
Conclusion
John H. Alexander continues to inspire with his innovative approaches to dielectric materials and capacitors. His patents exemplify the breakthroughs that can shape the future of electronic components, impacting various applications in technology. Through his cutting-edge research and collaborations, he remains a significant figure in the realm of invention.