你好 请帮忙解答一下同一条编带定位孔差距过大的原因
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您好,
您是从哪里购买的芯片?请确认最终进货来源为TI,如果是从Ti.com购买(需提供订单号),请按照以下方式联系客户支持部门,会有客服为您提供帮助。
感谢您的耐心等待,我收到的具体回复是这样的:
There are multiple molding tools used for imprinting the Pin 1 identifier and different units go through different molding tools. Hence, it is expected to have different sized / appearance Pin 1 identifiers on different units, even in the ones with the same Lot Trace Code (LTC) and the ones in the same tape.
意思大概应是用于压印定位孔的注塑工具有很多种,不同的注塑单元通过不同的注塑工具进行加工。因此,即使在相同LTC和同一条编带的产品上,其定位孔的尺寸或外观也可能不同