Location History:
- Hanau-Grossauheim, DE (1994)
- Hanau, DE (1994 - 2001)
Company Filing History:
5 out of 1,678 
1 out of 832,891 Years Active: 1994-2001
Title: The Innovative Contributions of Harald Krappitz
Introduction
Harald Krappitz is a notable inventor based in Hanau, Germany. He has made significant contributions to the field of materials science, particularly in the development of advanced soldering materials. With a total of 6 patents to his name, Krappitz has demonstrated a commitment to innovation and excellence in his work.
Latest Patents
Among his latest patents is the development of a cadmium-free silver alloy designed as a low-melting brazing filler material. This innovative soldering solution features a composition that includes 30 to 60% by weight of silver, 10 to 36% by weight of copper, 15 to 32% by weight of zinc, along with gallium, tin, and indium in varying proportions. This alloy is particularly advantageous as it yields ductile soldered joints while maintaining a working temperature of less than 630°C.
Another significant patent involves a soldering paste for producing geometrical metal structures with precise contours. This process includes screen printing a solder paste onto a metallic substrate to create intricate geometric designs. The solder paste consists of an organic binder system and a mixture of nickel-based solder and a pulverulent alloy of nickel with elements such as chromium and molybdenum. The careful formulation and processing steps ensure high precision and quality in the resulting metal structures.
Career Highlights
Throughout his career, Krappitz has worked with prominent companies, including Degussa Aktiengesellschaft. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in soldering technology.
Collaborations
Krappitz has collaborated with notable colleagues such as Wolfgang Weise and Willi Malikowski. These partnerships have fostered an environment of creativity and innovation, leading to the successful development of new materials and processes.
Conclusion
Harald Krappitz's contributions to the field of materials science, particularly in soldering technology, highlight his innovative spirit and dedication to advancing industry standards. His patents reflect a deep understanding of material properties and their applications, making him a significant figure in his field.