Sheldon S Wu

Title: The Innovations of Sheldon S. Wu in Laser Additive Manufacturing

Introduction

Sheldon S. Wu, an inventive mind located in Pleasanton, CA, is known for his significant contributions to the field of laser additive manufacturing. With a total of two patents to his name, Wu has demonstrated a commitment to advancing material processing technologies. His innovative approaches have garnered attention, particularly in controlling grain morphology and measuring laser absorptivity.

Latest Patents

Sheldon S. Wu's latest patents highlight his expertise in material science and laser technology. One of his noteworthy innovations is the "System and method for grain refinement and general control of grain morphology in laser additive manufacturing." This patent describes a sophisticated system that utilizes an optical light source to generate an optical beam, which can be shaped to create a complex beam intensity profile. This innovative approach enables selective melting of powder particles on a substrate, facilitating precise control over the microstructure of grains during the material layer formation process.

Another significant patent by Wu is the "System and method for the direct calorimetric measurement of laser absorptivity of materials." This invention outlines a method and system for accurately measuring the temperature-dependent absorptivity of thin, flat homogeneous materials. The system incorporates a material holder for thermal isolation, a uniform irradiation source, and a thermal sensor that measures temperature changes during a controlled heating and cooling period. This capability allows for a more refined understanding of how materials respond to laser irradiation.

Career Highlights

Sheldon S. Wu is currently employed at Lawrence Livermore National Security, LLC, where he applies his expertise to cutting-edge projects focused on laser technology and material processing. His work is pivotal in pushing the boundaries of what is possible in additive manufacturing. Through his innovative spirit and technical skill, Wu has established himself as a respected inventor in his field.

Collaborations

Throughout his career, Wu has collaborated with colleagues such as Tien Roehling and Gabe Guss. These partnerships have allowed him to exchange ideas and develop groundbreaking solutions that enhance the capabilities of laser additive manufacturing and materials testing.

Conclusion

Sheldon S. Wu exemplifies the spirit of innovation in the rapidly evolving landscape of laser additive manufacturing. With his impressive patents and collaborative efforts, he continues to make significant strides in understanding materials and their interactions with laser technology. Wu’s contributions not only enhance manufacturing processes but also pave the way for future advancements in the field.