Robert Matthew Ulfig is a notable inventor based in Middletown, Wisconsin. He has made significant contributions to the field of technology, particularly in the areas of porous materials and semiconductor fabrication. With a total of 2 patents, Ulfig's work has had a meaningful impact on the industry.

Latest Patents

One of Ulfig's latest patents is a method for determining pore characteristics in porous materials. This innovative method utilizes atomic force microscopy (AFM) to measure the porosity of nanoporous materials. By creating a surface topology map with sub-atomic resolution, the pore shape and size can be accurately determined. For more precise measurements, small scan areas with slow scan speeds and fine AFM tips are employed, allowing for a general estimation of distribution from a sample area.

Another significant patent is the CMP platen plug, which improves the chemical mechanical polishing apparatus used for polishing semiconductor wafers. This invention addresses the issue of air pocket bubbles forming underneath the polishing pad. The CMP platen plug is designed to fill a recess in the top cover plate member, effectively displacing any air pockets. This innovation prolongs the useful life of the polishing pad, enhancing the efficiency of semiconductor device fabrication.

Career Highlights

Ulfig is currently employed at Advanced Micro Devices Corporation, where he continues to contribute to advancements in technology. His work has been instrumental in improving processes related to semiconductor manufacturing and material characterization.

Collaborations

Some of Ulfig's coworkers include Richard E. Lamm and Suzette Keefe Pangrle, who have collaborated with him on various projects within the company.

Conclusion

Robert Matthew Ulfig's innovative patents and contributions to the field of technology highlight his expertise and dedication as an inventor. His work continues to influence advancements in semiconductor fabrication and material science.