Manufacturer tactile keyboard embossing button membrane switch keypad with metal dome

Product Overview

Description

Manufacturer tactile keyboard embossing button membrane switch keypad with metal dome

 

 

Embossing  buttons in membrane switches keypads

To provide tactile feel to a membrane switch or graphic overlay, the material can be embossed to raise the key area. Embossing has really become standard in membrane switch designs. Not only does it give it a better look and feel, but it also allows the user of the end product to find the key and provide tactile confirmation that the button is present even before it’s pressed. 

 

 

Metal dome membrane switch keypad

Metal dome membrane switch have metal domes placed within the circuit layer of the switch, when the switch is pressed on the face plate, the metal dome contact with bottom circuit.

 

 

 

 

Advantages of metal dome membrane switch keypad
A. High Reliability

B.Long Life

C.Design Flexibility

 

 

Notice
1.Do not use it in high temperature environment (>40℃)for a long time, otherwise poly dome will lose elasticity.
2.Do not use it in very low temperature environment (<-25℃)for a long time, or the service life of domes will be affected.
3.Do not use it outdoor for a longtime.
4.Do not press the dome by sharp or hard objects.

 

 

 

Sincerely welcome to visit our factory!!!

 

Contact:sunny

Skype: sunny.Lee539

Drawing(CAD/AI/CDR format) /sample of membrane switch panels 

  

 

 

Membrane switch panels technical information:

	1. Graphic Overlay	PC or PET( Polyester is usually the material of choice due to its superior chemical resistance and flex life compared to polycarbonate.) Glossy surface or matte surface
	2. Overlay Adhesive	This adhesive layer bonds the graphic overlay to the top circuit layer, and is typically an acrylic adhesive.
	3. Top Circuit Layer	0.005" - 0.007" heat stabilized polyester printed with silver-filled electrically conductive inks and also dielectric inks.
	4. Circuit Spacer	This layer separates the top circuit from the bottom circuit so the switch remains normally open until the keypad is pressed. The circuit spacer is a polyester spacer with adhesive on both sides.
	5. Lower Circuit Layer	0.005" - 0.007" heat stabilized polyester printed with silver-filled electrically conductive inks and also dielectric inks. This layer terminates as a flexible tail that serves as the interconnect to controller PCBs or other electronics.
	6. Read Adhesive Layer	This adhesive layer bonds the entire membrane switch package to the product enclosure, housing, or to a rigid support panel.
	7. Rigid Support Layer	This optional layer can add structural integrity to the membrane switch assembly.