Karri Mannermaa

Title: Karri Mannermaa: Innovator in High-Resistivity Silicon Wafer Technology

Introduction

Karri Mannermaa is a notable inventor based in Vantaa, Finland. He has made significant contributions to the field of semiconductor technology, particularly in the manufacturing of high-resistivity silicon wafers. His innovative approach has led to advancements that are crucial for hybrid substrate structures.

Latest Patents

Mannermaa holds a patent for a manufacturing method of a high-resistivity silicon handle wafer for a hybrid substrate structure. This patent outlines a comprehensive method that includes producing a wafer with a crystal orientation identifier and a specific thickness. The process involves thinning the wafer to a desired thickness and applying a surface passivation layer. The final steps include polishing the passivation layer to achieve a surface suitable for active layer bonding, which is essential for forming hybrid substrate structures.

Career Highlights

Karri Mannermaa is associated with Okmetic Oy, a company known for its expertise in silicon wafer technology. His work at Okmetic Oy has positioned him as a key player in the development of advanced semiconductor materials. Mannermaa's innovative methods have the potential to enhance the performance and efficiency of electronic devices.

Collaborations

Mannermaa collaborates with talented professionals such as Päivi Sievilä and Samuli Sievänen. Their combined expertise contributes to the ongoing advancements in semiconductor technology at Okmetic Oy.

Conclusion

Karri Mannermaa's contributions to the field of high-resistivity silicon wafer manufacturing demonstrate his commitment to innovation and excellence. His patent and work at Okmetic Oy highlight the importance of advanced materials in the semiconductor industry.