Company Filing History:
Years Active: 1994-2002
Title: The Innovative Contributions of David C. MacPherson
Introduction
David C. MacPherson is a notable inventor based in Conifer, Colorado. He has made significant contributions to the field of surface profiling and laser technology, holding a total of five patents. His work has advanced the capabilities of various applications, particularly in the areas of corneal ablation and precision machining.
Latest Patents
One of MacPherson's latest patents is a topographer for real-time ablation feedback utilizing synthetic wavelength generators. This innovative surface contouring system employs a laser topographer that measures surface contours through superheterodyne synthetic wavelength interferometry. By generating longer effective wavelengths, the topographer enhances the maximum vertical step size, allowing for rapid sequential scans that provide measurement feedback to control the shape of the surface being measured. This technology has diverse applications, including corneal ablation procedures, precision machining operations, and vibration analysis.
Another significant patent is the method and apparatus for surface profiling of materials and calibration of ablation lasers. This invention involves a sophisticated method for measuring the surface profile of a sample using split beams directed onto both a sample surface and a reference surface. The apparatus includes a light source, beam splitting means, and an imaging system to accurately profile surfaces. This technology is crucial for calibrating lasers used in material ablation.
Career Highlights
Throughout his career, David C. MacPherson has worked with various companies, including Ophir Corporation. His expertise in laser technology and surface profiling has positioned him as a key figure in the development of innovative solutions in these fields.
Collaborations
MacPherson has collaborated with notable individuals such as Loren Dean Nelson and Jon G. Dishler. These partnerships have contributed to the advancement of his inventions and the successful implementation of his technologies.
Conclusion
David C. MacPherson's contributions to the fields of laser technology and surface profiling are noteworthy. His innovative patents and collaborations have significantly impacted various industries, showcasing his dedication to advancing technology.