● 해동·설거지 필요 없는 ‘트레이 일체형’ 제품이 대세
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.，详情可参考新收录的资料
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Michael deteriorated in hospital. His cough became so severe he had to send a WhatsApp message to tell her he was being put on a ventilator.