07-07-2010 дата публикации
Номер: CN0101771008A
Принадлежит:
The invention relates to an external connection heat radiation plate encapsulation structure of a positive installation lock hole heat radiation block of a base island exposed chip, which comprises a chip (3), a metal base island (1), a metal inner pin (4), a metal wire (5), a first conductive or nonconductive heat-conductive adhesive material (2) and a plastic encapsulation body (8), wherein the metal base island (1) is carried under the chip, the metal wire (5) is used for signal interconnection from the chip to the metal inner pin, the first nonconductive heat-conductive adhesive material (2) is arranged between the chip and the metal base island, the metal base island (1) is exposed out of the plastic encapsulation body (8), a heat radiation block (7) is arranged above the chip (3), the heat radiation block (7) is provided with a lock hole (7.1), a second conductive or nonconductive heat-conductive adhesive material (6) is embedded and arranged between the heat radiation block (7) and ...
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