Company Filing History:
3 out of 291 
6 out of 832,761 Years Active: 2001-2004
Title: Duncan Whittemore Macarthur: Innovator in Ion Monitoring Technology
Introduction
Duncan Whittemore Macarthur is a notable inventor based in Los Alamos, NM (US). He holds a total of 9 patents that showcase his contributions to the field of ion monitoring technology. His innovative approaches have significantly advanced the methods used in detecting ions generated by various items and locations.
Latest Patents
One of Macarthur's latest inventions focuses on monitoring techniques that facilitate the movement of an instrument relative to an item or location being monitored. This invention successfully excludes extraneous ions from the detection location, allowing for accurate monitoring of ions generated by emissions. The technique employs sealing methods, such as an electro-field that attracts and discharges ions before they enter the detecting location, or a magnetic field that repels ions away from the detection area.
Another significant patent addresses the reduction of capacitance effects in detector electrodes during ion detection. By placing an electrically conducting element between the detector electrodes and the monitored item or location, capacitance variations are minimized. This results in improved sensitivity and reduced noise signals, enhancing the overall effectiveness of the monitoring process. The apparatus is also designed to monitor elongate items that cannot be fully enclosed within a chamber, allowing for part-by-part monitoring as they pass through the instrument.
Career Highlights
Throughout his career, Duncan Macarthur has worked with various organizations, including British Nuclear Fuels Plc. His work has been instrumental in developing advanced technologies that improve ion detection and monitoring.
Collaborations
Macarthur has collaborated with notable individuals in his field, including Christopher Henry Orr and Craig Janson Luff. These collaborations have contributed to the advancement of his innovative technologies.
Conclusion
Duncan Whittemore Macarthur's contributions to ion monitoring technology have made a significant impact in the field. His inventive approaches and collaborations with other professionals highlight his dedication to advancing scientific understanding and practical applications in ion detection.