ELECTRICALLY CONDUCTIVE ADHESIVE FILM AND DICING DIE BONDING FILM
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United States of America Patent
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Apr 12, 2016
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Apr 16, 2015
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Abstract
A means that exhibits excellent heat resistance and mounting reliability when bonding a power semiconductor device on to a metal lead frame, which is also lead-free and places little burden on the environment. Specifically, provided is an electrically conductive adhesive film, which includes metal particles, a thermosetting resin, and a compound having Lewis acidity or a thermal acid generator, wherein the compound having Lewis acidity or thermal acid generator is selected from: boron fluoride or a complex thereof, a protonic acid with a pKa value of −0.4 or lower, or a salt or acid obtained by combining an anion that is the same as the salt thereof with hydrogen ion or any other cation. Further, the present invention provides a dicing die bonding film that is obtained by bonding the electrically conductive adhesive film with a pressure-sensitive adhesive tape.
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