MEMBRANE SWITCH

PROBLEM TO BE SOLVED: To provide a membrane switch capable of preventing impairing the total flexibility without causing stress relaxation in a contact, and avoiding the occurrence of malfunction, even if atmospheric temperature of the switch becomes high. SOLUTION: In the membrane switch, a first f...

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creator KURATANI JUNICHI
description PROBLEM TO BE SOLVED: To provide a membrane switch capable of preventing impairing the total flexibility without causing stress relaxation in a contact, and avoiding the occurrence of malfunction, even if atmospheric temperature of the switch becomes high. SOLUTION: In the membrane switch, a first flexible insulating substrate 1 having a first contact pattern 4 and a second flexible insulating substrate 2 having a second contact pattern 5 are faced through a spacer member 3 having an opening 8 in the facing part of the first contact pattern 4 and the second contact pattern 5, a wiring pattern 6 conductively connected to the contact patterns 4, 5 is installed in at least one of the first and second flexible insulating substrates 1, 2, and the first contact pattern 4 comes in electrical contact with the second contact pattern 5 by applying pressing force to a contact 10 comprising the first and second contact patterns 4, 5. The wiring pattern 6 is a resin-containing conductive layer made of a mixture material of conductive powder and binder resin, and the second contact pattern 5 has a hard resin-containing layer containing resin harder than the binder resin in a part.
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SOLUTION: In the membrane switch, a first flexible insulating substrate 1 having a first contact pattern 4 and a second flexible insulating substrate 2 having a second contact pattern 5 are faced through a spacer member 3 having an opening 8 in the facing part of the first contact pattern 4 and the second contact pattern 5, a wiring pattern 6 conductively connected to the contact patterns 4, 5 is installed in at least one of the first and second flexible insulating substrates 1, 2, and the first contact pattern 4 comes in electrical contact with the second contact pattern 5 by applying pressing force to a contact 10 comprising the first and second contact patterns 4, 5. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title MEMBRANE SWITCH
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