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                bumping跟bonding,是目前芯片貼裝用到的兩種工藝。 wire bond,也就是將芯片底部粘在基板或框架上,正面打線(金線,鋁線等等),通過金線與外面的引腳連通電信號。 bumping指凸點。在wafer表面長出凸點(金,錫鉛,無鉛等等)后,(多用于倒裝工藝封裝上,也就是flip chip)。。將本來要打金線的芯片正面長上凸點,倒過來扣在基板上,與基板相連,同時電信號通過bump導通。
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