John D Fogel

Title: John D. Fogel - Innovator in ESD Protection Technology

Introduction

John D. Fogel, based in Schwenksville, PA, is a notable inventor with a commendable portfolio of four patents. His work primarily focuses on innovations that enhance the functionality and reliability of electronic devices. Fogel's latest inventions address critical issues related to electrostatic discharge (ESD) protection in ion-sensitive field effect transistors (ISFETs), making significant contributions to the field of sensing technologies.

Latest Patents

Among John D. Fogel's latest patents is a groundbreaking development titled "ESD Protection of ISFET Sensors." This patent outlines methods, apparatus, and chip fabrication techniques that provide effective ESD protection for ISFET-based devices utilized for selectively measuring ions in a liquid environment. A key aspect of this invention is the integration of an ESD protection circuit, composed of conventional protective elements, onto the same silicon chip as the ISFET. This innovation ensures that the interface between the measurement device and the liquid sample does not create unnecessary paths for D.C. leakage currents, which could compromise the accuracy of measurements. Furthermore, a preferred embodiment utilizes a capacitor structure as the interface, enhancing the effectiveness of the protection circuit. The patent also includes processes for fabricating this novel interface on silicon wafers, offering new avenues for device manufacturing.

Career Highlights

John D. Fogel has cultivated a strong professional background in the technology sector. He has contributed to significant advancements while working at General Signal Corporation, among other companies. His experience in leading innovative projects has established him as a knowledgeable figure within the field of electronic sensing technologies.

Collaborations

Throughout his career, Fogel has collaborated with talented professionals, including Ronald D. Baxter and James G. Connery. These partnerships have facilitated the exchange of ideas and expertise, further enriching the innovative contributions made to ESD protection technologies.

Conclusion

John D. Fogel stands out as a prominent inventor, driven by a commitment to enhancing the performance and reliability of electronic devices. His latest patents provide valuable insights into ESD protection for ISFET sensors, underscoring his role in advancing technology in this area. With a solid foundation of collaboration and industry experience, Fogel continues to contribute to innovations that drive progress in electronic sensing applications.