Jiro Kondo

Title: **Innovations of Jiro Kondo: Pioneering Highly Pure Silicon Manufacturing**

Introduction

Jiro Kondo is a notable inventor based in Futtsu, Japan, recognized for his significant contributions to the field of materials science and semiconductor technology. With a total of 8 patents to his name, Kondo has focused on developing methods that enhance the purity and efficiency of silicon manufacturing, which is crucial for various applications, especially in the solar energy sector.

Latest Patents

Kondo's latest patents showcase his innovative approach to silicon production. One of his key inventions is a **method for manufacturing highly pure silicon** through unidirectional solidification of molten silicon. This technique allows for the inexpensive and industrially feasible production of highly pure silicon with low oxygen and carbon concentrations, making it particularly suitable for solar cell manufacturing. Additionally, he has developed a method that utilizes molten silicon containing 100 to 1000 ppmw of carbon and 0.5 to 2000 ppmw of germanium as raw materials, further enhancing the efficiency of the silicon purification process.

Another significant invention by Kondo is a **method for removing boron from silicon**. This process involves heating metal silicon containing boron impurities to its melting point of 2200°C and adding specific solids primarily made up of silicon dioxide and alkali metal carbonates. This innovative method efficiently separates boron from silicon, contributing to the production of higher purity materials.

Career Highlights

Throughout his career, Jiro Kondo has had the opportunity to work with leading companies in the industry. He has been associated with Nippon Steel Corporation and Silicio Ferrosolar S.L., where he honed his skills and applied his expertise in material science. His work has significantly impacted the silicone production sector, paving the way for advancements in not only semiconductor applications but also renewable energy solutions.

Collaborations

Kondo has collaborated with talented professionals during his career, including coworkers Goro Saiki and Shinji Tokumaru. These collaborations have facilitated the exchange of ideas and fostered innovative approaches to silicon manufacturing, underscoring the importance of teamwork in the advancement of technology.

Conclusion

In summary, Jiro Kondo's inventive spirit and dedication to innovation in silicon manufacturing have led to breakthroughs that are essential for the technology of the future. His methods for producing highly pure silicon and removing impurities highlight the significance of research and development in achieving high standards in material quality, particularly in industries such as renewable energy and electronics. Kondo continues to inspire future generations of inventors with his commitment to advancing technology through his creative solutions.