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Soon after it's founding in 1922 Electrical Contacts became the focal world for DODUCO. In
the previous two editions of the DODUCO Data Book , this world was mostly limited to
Europe. Since expanding its reach globally from the 1970s through the 1990s, including the
start-up of manufacturing operations in China, the employees of DODUCO have
Ever increasing requirements on the performance of contacts in electrical switching devices,
the need for highly reliable interconnections between electro-mechanics and electronics, the
minimizing of precious metal usage, and the call for more environmentally compatible
materials and manufacturing processes, defined in the past years the development of
materials and technologies related to electrical contacts. These latest developments and
applications are mostly relevant in the North American and Asian markets. We also included
materials which are needed for the manufacturing of contact parts and assemblies, but are
outside of AMI DODUCO's product offerings. These include contact carrier materials such as
copper and nickel alloys, as well as thermostatic materials and brazing alloys.
Even so , we felt it was necessary to add more detailed descriptive passages about products
and technologies, which expanded the original focus on mostly data tables and
diagrams, we continue to keep the name Data Book. We updated and re-wrote mostchapters of the Data Book for the third edition but changed to a slightly larger format of the book in order
to improve its ease of use. We also expanded and updated the references at the end of
each chapter which are meant to aid those readers who want to benefit from more and
