具有外形尺寸小、重量轻、通孔和转速适中、性能可靠等特点，各项指标均能满足一般数控车床的需要。
They are with feature compact construction, light weight, moderate center hole and speed, reliable performance, and meet requirements of nc turning lathes.
为了获得更高性能的TFT - LCD面板，在光刻时保证精细的图形成像十分重要，其中，如何制作出尺寸更小的通孔图形是主要的问题之一。
To make a TFT-LCD panel which has higher performance, fine patterning process of photolithography is needed. Making smaller via pattern is one of main issue for fine patter - ning.
在玻璃片上制作精确尺寸的45通孔，并非易事。
It's very difficult to make a hole on the wafer with a 45-degree Angle exactly.
导电凸块的纵向尺寸大于通孔的纵向尺寸。
The size of the conductive bump is bigger than the longitudinal size of the through hole.
另外，如果尺寸规则不允许M1/M2的通孔放置在引脚A上，那么布线器就不能很容易的连接上引脚A，这会导致一个低效率的布线设计。
Further, if the spacing rules for this example did not allow M1/M2 vias to be placed on pin A, the router would not be able to connect to Pin A easily.
另外，如果尺寸规则不允许M1/M2的通孔放置在引脚A上，那么布线器就不能很容易的连接上引脚A，这会导致一个低效率的布线设计。
Further, if the spacing rules for this example did not allow M1/M2 vias to be placed on pin A, the router would not be able to connect to Pin A easily.
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