DOUBLE LEADFRAME-BASED PACKAGING STRUCTURE AND MANUFACTURING PROCESS THEREOF

摘要

A packaging structure is constructed from a double-leadframe structure that comprises a first and a second leadframe stacked on each other. The first leadframe includes a plurality of first leads that respectively have first outer leads. The second leadframe includes a plurality of second leads that respectively extend into inner leads and second outer leads. The second leadframe is stacked on the first leadframe in a manner that the second outer leads are correspondingly placed over the first outer leads.