| 摘要 |
A wire bonding apparatus for connecting a semiconductor device including a semiconductor chip, to a lead frame having a die pad to which the semiconductor chip is joined, through a plurality of inner leads which are aligned along a periphery of the die pad at intervals. The apparatus includes a heat block having an inner lead mounting portion for mounting the inner leads, a concave portion located inward of the inner lead mounting portion, and at least one supporting pad for mounting the semiconductor chip. Restoration of the lead frame at wire bonding portions are decreased at the time a lead frame forcing mold holding the lead frame to heat block is detached.
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