John R Chapman

Title: Innovations of John R Chapman

Introduction

John R Chapman is a notable inventor based in Sale, GB. He has made significant contributions to the field of mass spectrometry, holding two patents that showcase his innovative approach to ion sources and mass spectrometer systems. His work has implications for various scientific applications, enhancing the capabilities of mass spectrometry technology.

Latest Patents

Chapman's latest patents include a mass spectrometer system that features an ion source operable under high conditions. This system is designed to produce ions within a viscous flow region, with a pumping arrangement that creates a lower pressure region for ions to pass through into a molecular flow region. The energy of the ions is precisely defined as they enter this molecular flow region. Another patent focuses on an ion source for a mass spectrometer, which includes a continuous flow probe with a mesh surface, a capillary for liquid sample supply, and a porous body at the mesh's periphery. This innovative ion source generates a beam of ionizing radiation, allowing for effective exposure of the sample to the radiation.

Career Highlights

John R Chapman is associated with Kratos Analytical Limited, where he applies his expertise in mass spectrometry. His work at this company has contributed to advancements in analytical technologies, particularly in the development of ion sources and mass spectrometer systems.

Collaborations

Chapman has collaborated with notable colleagues, including Richard T Gallacher and David S Jones. These collaborations have likely fostered a productive environment for innovation and development in their respective fields.

Conclusion

John R Chapman is a distinguished inventor whose work in mass spectrometry has led to significant advancements in the technology. His patents reflect a deep understanding of ion sources and their applications, making him a valuable contributor to the scientific community.