Raymond S Freed

Title: **Innovations of Raymond S Freed in Stereolithography**

Introduction

Raymond S Freed, an innovative inventor based in Northridge, CA, has significantly contributed to the field of stereolithography with five patents to his name. His work focuses on improving the processes involved in 3D printing, particularly in reducing common distortions such as curl that can affect the quality of manufactured objects.

Latest Patents

One of Freed's notable inventions is his patented system for **Stereolithographic Curl Reduction**. This advanced stereolithography system enhances the generation of three-dimensional objects by creating detailed cross-sectional patterns at the surface of a fluid medium. This medium can alter its physical state through synergistic stimulation using radiation, particle bombardment, or chemical reactions. The invention notably specifies methods to lessen distortions including curl, stress, and other forms of distortion present in the final object. Techniques such as dashed line, bent line, secondary structures, rivets, and multi-pass methods are introduced to tackle these challenges effectively. Furthermore, Freed's work includes a quantitative measurement for curl, known as the curl factor, along with a test part called the quarter cylinder, which aids in assessing the effectiveness of these techniques in distortion reduction.

Career Highlights

Freed has experience working with **3D Systems, Inc.**, a company renowned for its pioneering work in 3D printing technologies. His contributions to the field through practical applications and patent innovations have solidified his reputation as a valuable inventor in the stereolithography domain.

Collaborations

Throughout his career, Freed has collaborated with notable figures such as **Charles W Hull** and **Stuart T Spence**, both of whom have made significant impacts on the advancements in stereolithography and additive manufacturing technologies. Their collective efforts have played a crucial role in shaping the future of 3D printing.

Conclusion

Raymond S Freed is a distinguished inventor whose innovations have greatly improved stereolithography processes. His latest patent work detailing curl reduction techniques showcases his commitment to advancing 3D printing technology. As the industry continues to evolve, Freed's contributions remain invaluable, inspiring ongoing innovation in the field.