What is
Surface Mount Technology?
ETA
providing SMT solutions including pick and place machine, reflow oven, SMT
stencil printer, SMT line and wave soldering machine.
JUKI SMT
surface mount technology JUKI SMT machine multi-function pick and place
machine, JUKI SMT pick and place machine UKI SMT chip mounter JUKI SMT
mounter, JUKI SMT placement, is one of the important parts of SMT.
Surface-mount
technology (SMT) is a method for producing electronic circuits in which the
components are mounted or placed directly onto the surface of printed circuit
boards ( PCBs ). An electronic device so made is called a surface-mount device
(SMD). In industry, it has largely replaced the through-hole technology
construction method of fitting components with wire leads into holes in the
circuit board. Both technologies can be used on the same board, with the
through-hole technology used for components not suitable for surface mounting
such as large transformers and heat-sinked power semiconductors
By
employing SMT, the production process speeds up, but the risk of defects also
increases due to component miniaturization and to the denser packing of boards.
In those conditions, detection of failures has become critical for any SMT
manufacturing process.
An SMT
component is usually smaller than its through-hole counterpart because it has
either smaller leads or no leads at all. It may have short pins or leads of
various styles, flat contacts, a matrix of solder balls (BGAs), or terminations
on the body of the component.
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