MEMBRANE SWITCH

PURPOSE:To provide a membrane switch with a stable pushing characteristic by improving the bending resistance of a spacing member substituting for a spacing sheet, and reducing variation in spacing. CONSTITUTION:At least either a lower sheet 2, in which a conductor pattern 1 is disposed, or an upper...

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Bibliographische Detailangaben
1. Verfasser:	SUGII TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a membrane switch with a stable pushing characteristic by improving the bending resistance of a spacing member substituting for a spacing sheet, and reducing variation in spacing. CONSTITUTION:At least either a lower sheet 2, in which a conductor pattern 1 is disposed, or an upper sheet 3 is provided with a spacing member 5 applied thereto with a switch hole 4 left exposed so that the conductor pattern 1 is exposed and the upper and lower sheets 2, 3 are laid one on top of the other with the spacing member 5 therebetween. In such a membrane switch, the spacing member 5 is made from paste comprising vinyl chloride resin and a plasticizer and applied thereto by screen printing.