Ok, this time let’s see more details of LGF metal dome array specifications. LGF means Light Guide Film, is the difference of the normal metal dome array is that there is a LGF on the top layer.
The working theory is the use of the light reflection and refraction theory, and then let the surface of the keypad illuminated uniform and higher brightness.
1. you can save the several LED lights, and the SMT fee.
2. solve the uneven brightness, high electrical power consumption, and high costing.
3. structure is easy, don’t affect the design of product.
4. two thickness of LGF: 0.125mm and 0.10mm.
If you want to learn more about our LGF Metal Dome Array specifications, please contact CMD Manufacture Co., Ltd. for more information about dome array and snap dome.
