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SEMICONDUCTOR DEVICE AND A METHOD OF MANUFACTURING OF THE SEMICONDUCTOR DEVICE

发明专利审中
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16权利要求 · 1 独立
§ Ⅰ

卷宗概要

发明人

Vegneswary Ramalingam; Heiming Shiu; Jörg Syré; Fei Wong

IPC 分类

H1L 23/H1L 23/495

CPC 分类

H1L24/29H1L23/49513H1L24/32H1L24/83H1L2224/29084H1L2224/29111H1L2224/29123H1L2224/29124H1L2224/29147H1L2224/29155H1L2224/29166H1L2224/29172H1L2224/29184H1L2224/29224H1L2224/29239H1L2224/29244H1L2224/29247H1L2224/32245H1L2224/32505H1L2224/83193H1L2224/83815

A semiconductor device is provided, including a die constituting the top layer of the semiconductor device, preferably made of silicone; a lead frame constituting the bottom layer of the semiconductor device, having high electrical conductivity in the range between 6.3×10Siemens to 1×10Siemens more preferably 1×10Siemens (electrical conductivity is normally measured in Siemens per meter S/m, range of conductivity for Cu alloy lead frames are between 5 to 6×10S/m) for example made of L/F C19210 material; a first layer formed from a metallic foam located between the lead frame and the die, with a thickness preferably in the range of 500 nm to 5000 nm more preferably 2000 nm, and with a porosity in range of 30% and 90% preferably 60% and a second layer located between the die and the lead frame being only partially in surface contact with the first layer.

原文(中文)

A semiconductor device is provided, including a die constituting the top layer of the semiconductor device, preferably made of silicone; a lead frame constituting the bottom layer of the semiconductor device, having high electrical conductivity in the range between 6.3×10Siemens to 1×10Siemens more preferably 1×10Siemens (electrical conductivity is normally measured in Siemens per meter S/m, range of conductivity for Cu alloy lead frames are between 5 to 6×10S/m) for example made of L/F C19210 material; a first layer formed from a metallic foam located between the lead frame and the die, with a thickness preferably in the range of 500 nm to 5000 nm more preferably 2000 nm, and with a porosity in range of 30% and 90% preferably 60% and a second layer located between the die and the lead frame being only partially in surface contact with the first layer.