Marlies Kleinfeld

Title: The Innovative Path of Marlies Kleinfeld: A Trailblazer in Electronics Manufacturing

Introduction: Marlies Kleinfeld, an accomplished inventor based in Wuppertal, Germany, has made significant contributions to the field of electronics manufacturing. Her expertise has led to the development of three patented inventions, showcasing her innovative spirit and dedication to advancing technology in this vital industry.

Latest Patents: Kleinfeld's most recent patents reflect her cutting-edge approach to solving complex challenges in microelectronics. One notable patent, titled "Tin-silver solder bumping in electronics manufacture," introduces a unique process for forming solder bumps on under bump metal structures. This involves exposing the structure to an electrolytic bath with a source of Sn ions and Ag ions, along with a thiourea compound or a quaternary ammonium surfactant. An external source of electrons is then supplied to deposit a Sn-Ag alloy, improving the efficiency and effectiveness of microelectronic device manufacturing.

Another significant invention by Kleinfeld is the "Process for the non-galvanic tin plating of copper or copper alloys." This invention describes an innovative method for non-galvanic tin plating using methanesulphonic acid and tin-containing electrolytes with a complexing agent. This process is key to creating durable tin layers that can be soldered while preventing the liberation of the base material, accomplished by adding at least one foreign metal to form a diffusion barrier.

Career Highlights: Throughout her career, Marlies Kleinfeld has worked with renowned companies, including Enthone Incorporated and Blasberg-Oberflachentechnik GmbH. Her experiences at these organizations have provided her with invaluable insights and skills that have influenced her inventive pursuits. Kleinfeld's proficiency in electronics manufacturing has earned her recognition as a leading figure in her field.

Collaborations: Collaboration has been a significant aspect of Kleinfeld's journey. She has worked alongside esteemed colleagues such as Joachim Heyer and Thomas B. Richardson. These partnerships have allowed for the exchange of ideas that have propelled her innovative contributions further into the industry.

Conclusion: Marlies Kleinfeld's journey as an inventor exemplifies the power of innovation in transforming the electronics manufacturing landscape. With her impressive portfolio of patents and collaborative spirit, she continues to pave the way for future advancements in the field. Her contributions not only enhance technology but also inspire the next generation of inventors.