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Hand Soldering and repair is the request of the outstanding technology and good operator tool process step; A less experience operator may produce the reliability of the nightmare. When equipped with adequate tools and training the operator should be able to create reliable welding points. Surface mount Hand Soldering sometimes hole than hear about sth.welding more challenging, because smaller pin spacing and higher pin number. Repair process, must be careful, don't will be printed circuit board overheating; Otherwise the hole pad and electroplating is easy to damage. This paper will review the contact welding and heating gas welding, the two most common manual welding.
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