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Metal Dome for Mobile Phone keypad/key dome array /metal dome keypad
Metal Dome for Mobile Phone keypad/key dome array /metal dome keypad

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Metal Dome for Mobile Phone keypad/key dome array /metal dome keypad
47Eys,simple structure, good feeling
ISO9001:2008 RoHS


Metal Dome for Mobile Phone keypad/key dome array /metal dome keypad


1:Metal Domes

This type is somehow similar to single layer type by means of metal dome contacts attached under Maylar. But the difference is that, in this type, the Spacer is attached under the metal dome contacts. Air paths which function like air holes in single-layer, helps provide good click-feeling when dome contacts are pressed. Besides this effect, air paths help reduce the chance for PET film being damaged by metal dome contacts' burr and block dust coming into PET films.


 Special constructions mobile phone switch


FPC membrane switch


 We can supply different sizes and variations of metal domes, and has extensive experience in metal dome array applications to assist in optimizing designs for every requirement. 

Metal dome array 
The Metal dome array (key dome array) is the most cost effective solution for a simple switch with a superior tactile interface between your equipment and the user. A metal dome array is a kind of PET sheet that carries metal dome contacts. It is applied to PCBs to function as switches of mobile phones and electric home appliances. Compared to the membrane polyester switch which was formerly used, it gives good click-feeling. It also gives much longer lasting life span compared to poly dome sheets. It also takes place of down going productivity of tact switches with its potential productivity.

Metal dome contacts on the sheet/array are positioned over the contact point of PCBs. When a dome is pressed, the center of it contacts to the PCB and let the electric current flow through. This is how Metal dome array work.

Advantage: A long life time over than million click, a uniformity click feel, nimble feel, a low cost and a short term of R&D, higher confront face each other than change market, very good for fit to small and slim size because practical use for thickness & space of products, not necessary to specify soldering at that time of product assembly, environmental and cut troublesome of repair parts and low work’s error rate than tact switch type.

R&J works very closely with its customers in order to insure the success of its projects. Working on the customer’s drawing, the Research and Development Department offers specific solutions that meet your needs.

Our Metal dome array divide into four types:

Single Layer, Double Layer ,EMI Printing, and EMI printing/Rubber Glue.


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