Surface mount (SMT) crimp terminal and method of securing...

Details Surface mount (SMT) crimp terminal and method of securing... Surface mount (SMT) crimp terminal and method of securing...

2011-06-07

2011-06-07

Hyeon, Hae Moon (Department: 2839)

Electrical connectors

Metallic connector or contact also having securing part...

C439S083000

Reexamination Certificate

active

07955147

ABSTRACT:
An surface mount technology (“SMT”) crimp terminal for mounting on printed circuit boards is in the form of a seamless circular tube or cylinder. The method of use includes depositing the SMT crimp terminal on a copper pad or land on a printed circuit board (“PCB”) coated with solder paste to render the pad or land tacky. The solder is reflowed by application of heat and the crimp terminal is soldered to the PCB. A bare wire to be retained is inserted through one end of the tube and the tube is subjected to sufficiently high stress, intermediate its axial ends, to induce plastic flow on the surface of the material. The force plastically deforms the central region of the tube as well as the bare wire received therein. Any form of mechanical hydraulic press can be used for this purpose and resulting deformation of the crimp terminal and the wire contained therein provides a retention force on the wire which is greater than wire breaking strength.

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