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The Wiring Harness Manufacturer's Association is a trade group for American manufacturers of wiring harnesses, electronic cable assemblies, and cord sets, along with their suppliers and distributors. [1] It publishes the widely used standard IPC/WHMA-A-620 Acceptability of Electronic Wire Harnesses and Cables jointly with IPC. [2]
IPC standards are used by the electronics manufacturing industry. IPC-A-610, [4] Acceptability of Electronic Assemblies, is used worldwide by original equipment manufacturers and EMS companies. There are more than 3600 trainers worldwide who are certified to train and test on the standard. Standards are created by committees of industry volunteers.
Hermes is a machine-to-machine communication standard used in the SMT assembly industry. [1]IPC-HERMES-9852. It is a successor to the SMEMA standard, introducing improvements such as: simpler physical wiring (Ethernet), use of popular data transmission formats (TCP/IP and XML), reduced number of barcode scanners (required only once at the beginning of the line), transmission of board data ...
The IPC/WHMA-A-620 publication has standards for a wide range of elements within a cable harness, including but not limited to electrostatic discharge protection, conduit, installation and repairs, crimping, pull-test requirements, and other operations that are critical to the production and function of cable harnesses. [12] The standards ...
Cable lacing is a method for tying wiring harnesses and cable looms, traditionally used in telecommunication, naval, and aerospace applications. This old cable management technique, taught to generations of lineworkers , [ 1 ] is still used in some modern applications since it does not create obstructions along the length of the cable, avoiding ...
The IPC-NC-349 format is the only IPC standard governing drill and routing formats. [5] XNC is a strict subset of IPC-NC-349, Excellon a big superset. Many indefinite NC files pick some elements of the IPC standard. [1] A digital rights managed copy of the specification is available from the IPC website, for a fee.
SMEMA is an acronym for the Surface Mount Equipment Manufacturers Association.. In 1999 they merged with the IPC to form the IPC SMEMA Council. [1]One standard they have is for the wiring of communications between Surface mount technology producing machinery such as a Stencil Printer or a Pick and Place Machine on an Electronics production line.
The most common [citation needed] standards for conformal coating are IPC A-610 [9] and IPC-CC-830. [10] These standards list indications of good and bad coverage and describe various failure mechanisms, such as dewetting. Another type of coating called parylene is applied with a vacuum deposition process at ambient temperature. Film coatings ...