Wilfried Dähn

Title: Wilfried Dähn: Innovator in Semiconductor Memory Technology

Introduction

Wilfried Dähn is a notable inventor based in Celle, Germany, recognized for his contributions to semiconductor memory technology. With a total of three patents to his name, Dähn has made significant advancements in the field, particularly in the areas of memory repair and testing.

Latest Patents

Dähn's latest patents include a circuit configuration for repairing a semiconductor memory. This innovation involves a semiconductor memory of an integrated circuit that features memory cells organized into individually addressable normal and redundant units. The design includes a selection circuit that allows for the selection of redundant units to replace normal units. Additionally, it incorporates non-volatile memory units that can be programmed by an energy beam or via electrical contact, facilitating repairs on both housed and unhoused semiconductor memories. Another significant patent is a method of testing a semiconductor memory, which generates a bit fail map by writing predetermined data values to memory cells and comparing the read-out values. This method enhances reliability by storing the bit fail map in a separate memory bank, allowing for independent defect assessment across different banks.

Career Highlights

Wilfried Dähn is currently employed at Infineon Technologies AG, a leading company in semiconductor solutions. His work at Infineon has allowed him to focus on innovative technologies that improve the efficiency and reliability of semiconductor memory systems.

Collaborations

Dähn collaborates with Peter Pöchmüller, contributing to advancements in semiconductor technology through shared expertise and innovative ideas.

Conclusion

Wilfried Dähn's work in semiconductor memory technology exemplifies the impact of innovation in the field. His patents not only address current challenges but also pave the way for future advancements in memory systems.