Patent ID: 7342306
Filing Date: 2008-03-11
Classification: H01L

Abstract:
1. A high performance reworkable heatsink and packaging structure comprising: a heatsink structure for attachment to a module structure; said heatsink structure including a heatsink base frame; at least one of a heatpipe and a vapor chamber being solder attached to said heatsink base frame, a plurality of parallel fins being solder attached to said heatsink base frame; and a solder release layer being applied on an outer surface of said heatsink structure; said solder release layer having a lower melting temperature range than each solder used for attaching said at least one of said heatpipe and said vapor chamber, and said plurality of parallel fins to said heatsink base frame; said solder release layer being formed of a selected alloy having a selected melting range between 117-133° C.