A pluggable electronic circuit package assembly for use with an edge type connector has a two piece heat sink housing. The heat sink housing has internal retention posts and internal posts receiving recesses that allow the two pieces to be snap fit together for easy assembly and disassembly. Also, a...http://www.google.de/patents/US5109318?utm_source=gb-gplus-sharePatent US5109318 - Pluggable electronic circuit package assembly with snap together heat sink housing