Walter F Lange

Title: The Innovations of Walter F. Lange

Introduction

Walter F. Lange is a prominent inventor based in Longmont, Colorado, known for his significant contributions to the field of materials science and engineering. With a total of three patents to his name, Lange has played an essential role in advancing technology through innovative solutions and methodologies.

Latest Patents

Lange's latest patents showcase groundbreaking developments in substrate materials and packaging technologies. One of his notable inventions is related to "Sealing and stress relief layers and use thereof," which addresses hermeticity in low-fracture strength glass-ceramic substrates. This patent details the use of capture pads in alignment with vias, polymer overlays, and methods for interconnecting the device to the substrate surface.

Another significant patent from Lange is focused on "Multilayer thin film metallurgy for pin brazing." This invention describes a multilayered thin film structure designed for attaching input/output pins to ceramic substrates. The process begins with the formation of a thin adhesion layer from a refractory metal, followed by a thick stress-reducing soft metal layer. The design further incorporates a reaction barrier layer to ensure compatibility with the brazed gold-tin pin eutectic alloy.

Career Highlights

Walter F. Lange has built an impressive career, primarily at the International Business Machines Corporation (IBM), where he has contributed to various advancements in technology and materials. His innovative spirit and dedication have significantly influenced the industry, particularly in the areas of electronic packaging and materials engineering.

Collaborations

Throughout his career, Lange has worked alongside notable coworkers such as Da-Yuan Shih and David W. Boss. These collaborations have fostered a dynamic exchange of ideas, resulting in several innovative projects and contributions that have propelled technology forward.

Conclusion

Walter F. Lange's inventive prowess is evident in his patents, particularly in the field of materials for electronic devices. His contributions to sealing technologies and pin attachment methods are just a glimpse of his impact on modern innovations. As a key player at IBM, Lange continues to push the boundaries of technology, paving the way for future advancements in materials science and engineering.