Metal Dome array

Dome array, mobile phone switch, mobile keypad is a kind of PET sheet that carries metal dome contacts.

 Dome array, mobile phone switch, mobile keypad :

. Product Introduction:

1  Metal dome array is a kind of PET sheet that carries contacts. It is applied to to function as switches of mobile phones and electric home appliances. The dome array (metal dome array)is the most cost effective solution for a simple switch with a superior tactile interface between your equipment and the user. 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.

2  contacts on the arrays (sheets) 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 arrays work.

. Applications

Mobile phone market Handheld / PDA GPS systems Point of Sale Terminals Automotive: Telematics, Window controls, Seat controls & Steering wheel systems Remote Keyless Entry system (RKE) Consumer Goods: MP3 players, Digital cameras, Camcorder, Portable CD players, Toys Cordless Phones White Goods: Microwave, Dishwasher, Dryer, Commercial scales, Small appliances Medical Others: Entertainment, Office, Security systems, Industrial, Telecom Handheld instruments

. Parameter:

Item	Parameter
Life	1000000 cycles
Scope of Force	160gf 180 gf 250 gf
Click Ratio	50±14%
Tolerance of Force	±25gf
ESD Resistance	2Ω
Touch Resistance	1Ω
Travel	0.22mm
Total Height	0.28mm
Pastern Minification	MD(%):0.5 CD(%):0.3 ↓

Product Type:

1.Single Layer Dome arry;

2.Double Layer Dome arry;

3.EMI Printing Dome arry;

4.Rubber Glue Dome arry;

Metal Dome array