A Stratified Semantics of General References A Stratified Semantics of General References

A Stratified Semantics of General References A Stratified Semantics of General References
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一般参考文献的分层语义 一般参考文献的分层语义

DOI:
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发表时间:
2002
期刊:
Logic in Computer Science
影响因子:
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通讯作者:
Roberto Virga
Roberto Virga
中科院分区:
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文献类型:
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作者:
Amal J. Ahmed;A. Appel;Roberto Virga

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被引文献

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对于本发明的封装半导体器件,支撑在安装单元上的IC片或芯片被封装在塑料材料中,例如环氧树脂或硅树脂。多个引线条设置在安装单元的安装部分附近的一端。引线条电连接到设置在安装单元的安装部分上的IC芯片的各个导电焊盘。引线条在另一端延伸到塑料材料的外部。安装单元加强侧壁从安装单元的平坦部分的边缘基本上以直角突出。安装单元的热辐射腿从侧壁的下边缘基本上以直角延伸,所述腿的底表面暴露于塑料材料的外部。
With a packaged semiconductor device of this invention, an IC pellet or chip supported on a mounting unit is encapsulated in plastics material, for example, epoxy resin or silicone resin. A plurality of lead strips are disposed at one end in the proximity of the mounting part of the mounting unit. The lead strips are electrically connected to the respective conductive pads of the IC pellet set on the mounting part of the mounting unit. The lead strips extend at the other end outside of an plastics material. Mounting unit-reinforcing side walls project substantially at right angles from the edges of the flat part of the mounting unit. The heat-radiating legs of the mounting unit extend substantially at right angles from the low edges of the side walls with the bottom surface of said legs exposed to the outside of the plastics material.