John C Haselgrove

Title: Innovations by John C. Haselgrove

Introduction

John C. Haselgrove is an accomplished inventor based in Swarthmore, PA (US). He is known for his significant contributions to the field of nuclear magnetic resonance (NMR) instrumentation. His innovative work has led to the development of a unique device and method that enhances the performance of NMR instruments.

Latest Patents

Haselgrove holds a patent for a "Device and method for automatic shimming of NMR instrument." This invention provides a rapid and efficient way to perform automatic magnet shimming using algebraic techniques. The method is based on field maps computed through phase measurement within Carr-Purcell echo sequences. The correction computation for determining shim currents is executed by a linear programming algorithm, which compensates for field inhomogeneities within the sample by utilizing a linear combination of all the shims. This non-iterative procedure avoids instability problems and significantly improves speed performance.

Career Highlights

Throughout his career, Haselgrove has made notable advancements in the field of NMR technology. His work has been instrumental in enhancing the accuracy and efficiency of NMR instruments, making them more reliable for various scientific applications. He is currently associated with Phospho-Energetics, Inc., where he continues to innovate and contribute to the field.

Collaborations

Haselgrove has collaborated with various professionals in his field, including his coworker Manfred G. Prammer. Their combined expertise has led to further advancements in NMR technology and instrumentation.

Conclusion

John C. Haselgrove's contributions to the field of NMR instrumentation through his innovative patent demonstrate his commitment to advancing scientific technology. His work continues to impact the industry positively, showcasing the importance of innovation in research and development.