Key for smt applications

H - Electricity – 01 – H

Patent

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Details

H01H 13/705 (2006.01)

Patent

CA 2663424

Disclosed is a button (1) for intermittently electrically contacting at least two conductors located on a circuit board (8) with an electrically conducting contact element (5). Said button (1) comprises at least one base (4) that is disposed on the circuit board (8) and a button top (2) which encompasses the contact element (5) and is movable relative to the circuit board (8) and the base (4). The button top (2) is connected to the base (4) by means of at least one movable membrane (3), the base (4) and the membrane (3) being made of an insulating elastic material. According to the invention, the button additionally comprises at least one soldering leg (6), of which the first end is positively inserted into the base (4) while the second end, the soldering zone (28), is used for fastening the button (1) to the circuit board (8).

La présente invention concerne une touche (1) permettant la mise en contact électrique intermittente d'au moins deux conducteurs disposés sur une carte de circuits imprimés (8) avec un élément de contact (5) électriquement conducteur. La touche (1) présente au moins une base (4) disposée sur la carte de circuits imprimés (8) et une tête de touche (2) mobile par rapport à la carte de circuits imprimés (8) et à la base (4) avec l'élément de contact (5), la tête de touche (2) étant reliée à la base (4) par au moins une membrane mobile (3), et la base (4) et la membrane (3) étant faites d'une matière élastique isolante. Selon l'invention, la touche dispose en outre d'au moins un pied de soudure (6) qui est introduit avec sa première extrémité par complémentarité de forme dans la base (4) et dont la seconde extrémité, la zone de soudure (28), permet à la touche (1) d'être fixée sur la carte de circuits imprimés (8).

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