IPC-HDBK-840 supplements the solder mask requirements established in IPC specifications such as IPC-SM-840 and IPC-6012 by providing detailed information on solder mask types, application processes, pre- and post- assembly processes, characteristics and properties that are useful in the selection and use of the most appropriate mask type for a given application. Applicable to solder mask manufacturers, processing equipment manufacturers, PCB manufacturers, assembly manufacturers and ancillary chemical suppliers. 72 pages. Released September 2006.

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