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Light guide film:
The light guide film is also LGF. Generally speaking, because of its ultra-thin thickness, it feels good when used. This product also has the characteristics of uniform light emission and many color changes. This product is generally used in mobile phones and remote control keys, which can make your keys rich in color.
The working principle of the product is generally based on the use of light reflection and refraction principles, and then combined with special optical software design, so that the optical PC film will be microstructured, and the "point light source" will be expanded into a "surface light source". The light beam can propagate in the medium at a suitable angle and density, so as to achieve an excellent effect of uniform light output.
The LGF light guide film design can generally reduce the design of several LED lights, thereby solving the problems of uneven brightness distribution, large power consumption, large space occupation and high cost.
Shading film + LGF + water glue + mylar + spacer + metal dome + protective film
1. Shading film(Black and white fingerprint adhesive
2. LGF
3. 3M7533
4.Mylar
5. Spacer
6. Metal Dome
7. protective film
Product Specification
1.LGF:Common thickness 0.125mm, light transmittance >90%
2.water glue:3M7533
3.Glue material :
project | thickness(mm) | initial force | retentivity(hr/kg*inch) | adhesive force(kgf/inch) |
Detection Tool | thickness gauge | Tape initial viscosity tester | Supplier supply | Supplier supply |
Colour Transparent | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 0.6↑ |
base material: 0.025/0.05/0.075/0.1 | ||||
White | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 0.6↑ |
base material: 0.025/0.05/0.075/0.1 | ||||
One side is black, the other side is white | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 1.1↑ |
base material: 0.025 |
Note: (1) metal DOME substrate: SUS301;(2) vertex: down Dimple
project | positioning hole to positioning hole(mm) | Positioning hole to shape(mm) | Shape to shape(mm) | Hole diameter(mm) | Positioning hole to metal dome(mm) | metal dome to metal dome(mm) |
sample | ||||||
Manual sample | ±0.15 | ±0.15 | ±0.15 | ±0.1 | ±0.2 | ±0.2 |
Mould sample | ±0.1 | ±0.1 | ±0.1 | +0.08/-0 | ±0.12 | ±0.12 |
Note: (1) the positioning hole are minimum aperture Φ 1.0 mm;
(2) the minimum aperture of SP sheet is 0.15mm larger than that of shrapnel.The width of gas groove of SP sheet is 1.0~1.2mm, and the wiring mode is: two to three keys are connected, and avoid components to avoid dust.
4. The sample delivery
sample
Model | The new model(5~20pcs) | The old model(5~20pcs) |
Manual sample | 3 ~ 5 working days | 3 ~ 5 working days |
Mould sample | 1 working day after the mold returns | 2 ~ 3 working days |
Mold delivery time: 6-7 working days
Note: 1. The life test conditions are as follows: the plastic flat head of the hitting head;Diameter: Φ 1.8;Speed: 2~3 times/second;Strike power: 400-500g.
2. Determination of life span: before and after the life span impact, the change rate of elasticity and feel of the DOME is less than 30%, and the metal dome is not broken.
Light guide film:
The light guide film is also LGF. Generally speaking, because of its ultra-thin thickness, it feels good when used. This product also has the characteristics of uniform light emission and many color changes. This product is generally used in mobile phones and remote control keys, which can make your keys rich in color.
The working principle of the product is generally based on the use of light reflection and refraction principles, and then combined with special optical software design, so that the optical PC film will be microstructured, and the "point light source" will be expanded into a "surface light source". The light beam can propagate in the medium at a suitable angle and density, so as to achieve an excellent effect of uniform light output.
The LGF light guide film design can generally reduce the design of several LED lights, thereby solving the problems of uneven brightness distribution, large power consumption, large space occupation and high cost.
Shading film + LGF + water glue + mylar + spacer + metal dome + protective film
1. Shading film(Black and white fingerprint adhesive
2. LGF
3. 3M7533
4.Mylar
5. Spacer
6. Metal Dome
7. protective film
Product Specification
1.LGF:Common thickness 0.125mm, light transmittance >90%
2.water glue:3M7533
3.Glue material :
project | thickness(mm) | initial force | retentivity(hr/kg*inch) | adhesive force(kgf/inch) |
Detection Tool | thickness gauge | Tape initial viscosity tester | Supplier supply | Supplier supply |
Colour Transparent | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 0.6↑ |
base material: 0.025/0.05/0.075/0.1 | ||||
White | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 0.6↑ |
base material: 0.025/0.05/0.075/0.1 | ||||
One side is black, the other side is white | thickness of adhesive:0.018~0.025 | The adhesive rolling distance of corresponding steel balls is less than 10cm | 8↑ | 1.1↑ |
base material: 0.025 |
Note: (1) metal DOME substrate: SUS301;(2) vertex: down Dimple
project | positioning hole to positioning hole(mm) | Positioning hole to shape(mm) | Shape to shape(mm) | Hole diameter(mm) | Positioning hole to metal dome(mm) | metal dome to metal dome(mm) |
sample | ||||||
Manual sample | ±0.15 | ±0.15 | ±0.15 | ±0.1 | ±0.2 | ±0.2 |
Mould sample | ±0.1 | ±0.1 | ±0.1 | +0.08/-0 | ±0.12 | ±0.12 |
Note: (1) the positioning hole are minimum aperture Φ 1.0 mm;
(2) the minimum aperture of SP sheet is 0.15mm larger than that of shrapnel.The width of gas groove of SP sheet is 1.0~1.2mm, and the wiring mode is: two to three keys are connected, and avoid components to avoid dust.
4. The sample delivery
sample
Model | The new model(5~20pcs) | The old model(5~20pcs) |
Manual sample | 3 ~ 5 working days | 3 ~ 5 working days |
Mould sample | 1 working day after the mold returns | 2 ~ 3 working days |
Mold delivery time: 6-7 working days
Note: 1. The life test conditions are as follows: the plastic flat head of the hitting head;Diameter: Φ 1.8;Speed: 2~3 times/second;Strike power: 400-500g.
2. Determination of life span: before and after the life span impact, the change rate of elasticity and feel of the DOME is less than 30%, and the metal dome is not broken.