Location History:
- Fishkill, NY (US) (1984 - 1986)
- Tucson, AZ (US) (1989)
- San Jose, CA (US) (1996)
Company Filing History:
Years Active: 1984-1996
Title: Murlidhar V Kulkarni: Innovator in Laser Machining and Interferometry
Introduction
Murlidhar V Kulkarni is a notable inventor based in Fishkill, NY (US). He has made significant contributions to the fields of laser machining and interferometry, holding a total of 5 patents. His work has advanced technologies that are crucial in various manufacturing environments.
Latest Patents
One of his latest patents is for a "Laser Machined Slider." This invention provides a method for creating a high-definition, high-aspect ratio amorphous carbon element, such as a slider that carries magnetic heads in a disk drive. The method involves a special gaseous environment during laser etching, which minimizes the redeposition of etched material. This results in a carbon element with excellent edge definition, enhancing the flying characteristics of the slider. The preferred embodiment utilizes an excimer laser in an oxygen-saturated environment with water vapor at elevated pressure. Significant improvements were also noted with nitrogen and steam environments.
Another notable patent is the "Interferometric Dimensional Measurement and Defect Detection Method." This invention allows for the detection of surface topography and defects using an AC interferometer. By adjusting the signal voltage of the light modulator, the method maximizes both surface measurements and defect detection. This capability makes it suitable for high-speed observations in manufacturing settings, particularly in optical disk and microchip production.
Career Highlights
Murlidhar V Kulkarni is associated with the International Business Machines Corporation (IBM), where he has contributed to various innovative projects. His expertise in laser machining and interferometry has positioned him as a key figure in advancing technology within the company.
Collaborations
He has collaborated with notable coworkers such as Harold D Edmonds and William H Lancaster, Jr. Their combined efforts have led to significant advancements in their respective fields.
Conclusion
Murlidhar V Kulkarni's contributions to laser machining and interferometry have made a lasting impact on technology and manufacturing processes. His innovative patents continue to influence the industry and pave the way for future advancements.