Surface-mount type switching power-supply unit and mounting...

Details Surface-mount type switching power-supply unit and mounting... Surface-mount type switching power-supply unit and mounting...

2005-04-05

2005-04-05

Vigushin, John B. (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S781000, C029S743000, C029S832000, C336S200000

Reexamination Certificate

active

06876555

ABSTRACT:
A transformer of a switching power-supply circuit is placed and mounted nearly in the middle area of a circuit board. The transformer is of a low-profile type, and a broad and flat upper surface of the transformer functions as a suction surface for a suction nozzle. When a surface-mount type switching power-supply unit is mounted in a mother board, firstly, the upper surface of the above transformer is held by the suction nozzle, the surface-mount type switching power-supply unit is transferred to a target mounting area on the mother board by the suction nozzle, and the surface-mount type switching power-supply unit is surface mounted in the mother board. Because it is not required to provide a nozzle suction surface for the suction nozzle's exclusive use, transfer molding is not needed, and accordingly a low-profile and low-cost surface-mount type switching power-supply unit can be facilitated.

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Product Catalog of (Japan) Lucent Technologies, Inc.; http://www.lucent.co.jp/power/.
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