Company Filing History:
Years Active: 1976-1985
Title: Dennis J Viechnicki: Innovator in Crystal Growth Technology
Introduction
Dennis J Viechnicki is a notable inventor based in Wellesley, MA (US). He has made significant contributions to the field of materials science, particularly in the area of crystal growth technology. With a total of 3 patents to his name, Viechnicki's work has advanced the methods used to produce high-quality single crystals.
Latest Patents
One of his latest patents is titled "Furnace for vertical solidification of melt." This invention describes a furnace designed for growing large single crystals from materials with high melting temperatures using the vertical solidification of melt method. The furnace features a crucible encased in a muffle, with vertically oriented heating rods arranged in a circular pattern around the muffle. The heating rods are electrically connected to a continuous graphite ring at the top and to semi-circular sections of graphite at the bottom, allowing for efficient heating. Another significant patent is "Method of orienting seed crystals in a melt, and product obtained thereby." This method focuses on producing improved, transparent single crystals with a corundum structure while minimizing thermal strain. It involves the optimal orientation of growth planes of a seed crystal in a melt, which is heated and cooled to nucleate on the seed crystal.
Career Highlights
Dennis J Viechnicki is currently employed by the U.S. Government as represented by the Secretary of the Army. His work has been instrumental in developing technologies that enhance the production of single crystals, which are essential in various applications, including electronics and optics.
Collaborations
Throughout his career, Viechnicki has collaborated with notable colleagues such as Frederick Schmid and James W McCauley. These collaborations have contributed to the advancement of research and development in crystal growth technologies.
Conclusion
Dennis J Viechnicki's innovative work in crystal growth technology has led to significant advancements in the field. His patents reflect a commitment to improving the methods used for producing high-quality single crystals, which are vital for numerous technological applications.