Component placement systems, commonly called () machines, are robotic machines which are used to place electronic components, like capacitors, resistors, integrated circuits onto a printed circuit board.
A. wave soldering
B. reflow soldering
C. adding solder paste
D. pick-and-place
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Although some boards may be passed through a wave soldering machine, this process is not widely used for () components these days. Rather than usng wave soldering, reflow soldering techniques are used more widely.
A. static sensitive
B. a hundred or more
C. through hole mount
D. surface mount
Many assembled PCBs are static sensitive, and therefore must be placed in () bags during transport. When handling these boards, the user must be grounded. Improper handling techniques might transmit an accumulated static charge through the board, damaging or destroying components.
A. metal
B. environmental protection
C. anti-static
D. ESD-safe
A printed circuit board is used to electrically support and mechanically connect electronic components.
A. 对
B. 错
An electronic product will be successful even without PCB design and layout.
A. 对
B. 错