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Northbrook, Ill. — IPC — Association Connecting Electronics Industries has released the first revision to the standard that forms the foundation of IPC's family of design standards (IPC-2220).
IPC-2221A, Generic Standard on Printed Board Design, establishes the generic requirements for the design of printed boards and other forms of component mounting or interconnecting structures, whether single-sided, double-sided or multilayer. The updated standard includes new criteria for surface plating, internal and external foil thicknesses, component placement, and hole tolerances. Revision A also provides expanded coverage of material properties, dimensioning and tolerancing rules and via structures, as well as updated coupon designs for quality assurance.IPC's Online Store houses a vast library of IPC products, including more than 1,000 standards, publications and training sources on electronics assembly, circuit board fabrication and design; more than 440 technical papers submitted at IPCWorks, IPC Annual Meeting, IPC Printed Circuits Expo and IPC SMEMA Council's APEX technical conferences; and more than 4,000 downloadable technical graphic images.
IPC is a trade association dedicated to the competitive excellence and financial success of its more than 2,300 member companies, which represent all facets of the electronic interconnection industry, including design, printed circuit board manufacturing and electronics assembly. For more information, visit www.ipc.org.