Invention Application
US20130127029A1 TWO LEVEL LEADFRAME WITH UPSET BALL BONDING SURFACE AND DEVICE PACKAGE
审中-公开
两级铅笔与电池球结合表面和器件包装
- Patent Title: TWO LEVEL LEADFRAME WITH UPSET BALL BONDING SURFACE AND DEVICE PACKAGE
- Patent Title (中): 两级铅笔与电池球结合表面和器件包装
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Application No.: US13300189Application Date: 2011-11-18
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Publication No.: US20130127029A1Publication Date: 2013-05-23
- Inventor: Lee Han Meng @ Eugene LEE , Wei Fen Sueann LIM , Chen Seong CHUA , Kooi Choon OOI
- Applicant: Lee Han Meng @ Eugene LEE , Wei Fen Sueann LIM , Chen Seong CHUA , Kooi Choon OOI
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Main IPC: H01L23/495
- IPC: H01L23/495 ; H01L21/56

Abstract:
A leadframe, device package, and mode of construction configured to attain a thin profile and improved thermal performance. Leadframes of this invention include a raised die attachment pad arrange above distal ends of leadframe leads. A package will further include a die electrically coupled with an underside surface of the raised die attachment pad, in one example, using ball bonds, the whole sealed in an encapsulant that exposed a bottom portion of the die and a portion of a lead. Two leadframe stacks of such packages are also disclosed as are methods of manufacture.
Information query
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