COMPONENTS & LEADED SURFACE MOUNT PACKAGESAuthor: Alan Donaldson
Company: Intel Corporation
Date Published: 9/25/2005 Conference: SMTA International
Fully functional and daisy chain test boards were used for all hand solder rework development. A wide variety of component surface finishes were also used. Component surface finishes ranged from tin to silver to tin-bismuth. Many components were put through a series of reliability tests that included temperature cycling, static bake, humidity, mechanical shock and vibration. Functional boards were powered on and ran through systems tests. Daisy chained boards were tested for opens and shorts. From the results obtained, it was ascertained that lead-free hand solder rework can be reliably done.
Key words: Lead-free rework, hand soldering, solder joints, LF rework reliability.
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