Membrane switch Mesh Printing Light guide plate Luminous labelMetal Dome FPC KeypadDie-cutting
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  • LGF Keyboard ModuleLGF Dome sheetBacklight module

  • LGP keypad



    Product inquiry
    Product model:
  • GHD240128102
  • Product launch:
  • Dec 20, 2019
  • brief introduction:
  • Light Guild Film/Plate(LGF/LGP), using top/side fire LEDs to light entire keycap textand various icons on a panel to make the lighting more intuitive. LGF/LGP Besides backlighting, the reflective way of lighting can be used to enhance products experience.
  • Product Requirements


    LGF, at least one surface out of front and rear surfaces of the light guide film is formed with a pattern such that density increases as distanced from a light source to allow light to be uniformly supplied to the keypad, or is concentratively formed with a pattern at a particular region of the light guide film to allow the light to be concentratively supplied to a particular region of the keypad.


    Luminescent ink is printed on the graphic layer, primarily button area;


    Metallic ink such as silver mirror ink is printed on graphic layer;

    Electroplated coating on whole PET layer is deplated.


    Specification


    MAJIOR TECHNICAL PARAMETERS & ADVANTAGES OF METAL DOME ARRAY


    Item Description TECHNICAL INDEX
    1 LONG LIFE-TIME
    Shape Type : Round , Oblong , 4-legged , Trianglar , Rectangular , Irregular
    Appearance Treatment Type : Stainless Steel ,Nickel plated , Silver Plated , Gold plated
    Dimple numbers : 0/1/3/4/5
    Life-time : 300~5000K Hits
    Force & Click Ratio : In compare of initial value , the change rate<30% after 1M hits

    2

    Click % Force:100gf~450gf , Tolerance :+/-20gf
    Click Ratio :50+/-10% ,
    3 Stroke Custom in accordance with Customer's requirement
    4 Dimension Tolerance Position dimension tolearance :+/-0.1mm
    5

    Weather-proof

    Resistance

    Under the conditions of 55±2°C , R.H. 95%,Replacement 24H , resume 2H under the normal room temperature
    6

    Corrosion

    Resistance

    High Temp. can bear : +70°C

    Low Temp. can bear : -40°C

    7 Tape Adhesive Test 0.6↑(unit : kgf/inch)
    8

    Stable adhesive

    Shrinkage Rate

    MD(%):0.5↓ CD(%):0.3↓
    9

    Small Instantant

    Contact Resistance

    Nickel Plating <1Ω Stainless Steel<3Ω
    10

    Total Thickness

    of Base Material

    0.05mm,0.075mm,0.1mm,0.15mm for normal thickness Spec.
    11 Light-Guide Film Uniformity >75%


    Our promise


    Sample delivery time

    Front Panel can be finished within 24 hours at the earliest.

    Membrane switch can be finished submission within 48 hours at the earliest.

    Want to order a small quantity?

    No MOQ limited.

    Different quantity, Different price depends.


    Is it possible to make a product without drawings?

    no problem!

    If you don't have drawings, you can send us the existing sample, then our team will evaluate & work out the prototype.

    We check all parts.

    In our opinion, Quality is vital important than everything.

    We conduct 100% functional testing and visual inspection of our products.

    Our Mission

    To develop innovative solutions meeting ever changing market demands

    To maximize customer's satisfaction and thus build a long term mutual beneficial cooperation

    International business

    100% made in China!

    We have rich experience in Cooperating with worldwide customers from all over the world.




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  •  +86-755-27903569
  •  +86-18922847849
  •  sales@metaldome.com
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