Англия — Премьер-лига|28-й тур
"Its dramatic five-storey Great Tower, remarkable stonework and exceptional period detailing place it among the country's most important historic houses."。业内人士推荐新收录的资料作为进阶阅读
Switching to the metallurgical microscope in a top-down view, looking at a good bond first, we can see a rough textured surface on the gold contact pad, with the gold wire coming in from one side and compressed into a crescent shape by the ball-bonding capillary (hence why some sources refer to the second bond as a “crescent bond”). The gold wire and gold pad appear to be well connected, and a deep circular indentation is visible in the pad which goes through the gold into a silvery base metal.，这一点在PDF资料中也有详细论述
Introduction To Compass And Straightedge Constructions
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