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Sheet Type Keypad (VIK-I, VIK-UV)
｜Feature｜Example of Structure｜Product Specification｜Development Flow｜
We carry two type of sheet designed keypad, a film insert keytop molding (VIK-) and a transferred thin keytop on base film (VIK-UV)
Feature
- Simple structure as it comes one film keysheet
- VIK-UV is ideally for those who needs thin design that cannot be achieved by plastic keytop design
- Since cosmetic process is done on back side of film, cosmetic has excellent wear resistance.
- Mirror type cosmetic is available
- A plunger sheet (made by similar process) is also available for better tactile feeling.
- We can suggest many key button contexture from our experiences.
Contact Polymatech today for complete application solution.
Example of Structure
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Example of Structure
| High Temperature | 85℃×120H | No key top peel off and no adhesive strength decrease |
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| Low Temperature | -40℃×120H | |
| Temperature and Humidity | 40℃,95%RH×120H |
Plastic Eraser |
Wear 1,000 times by 4.9N on a flat test piece | No appearance change after the test |
|---|---|---|
| Sand Eraser | Wear 500 times by 4.9N on a flat test piece | |
| Denim | Wear 5,000 times by 4.9N on a flat test piece |
Ethanol |
Wear keytop 50 cycles by 4.9N load with soaking chemicals on gauze. |
Good Durability |
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| Glass Cleaner | ||
| Hand Cream | ||
| Artificial Fingerprint | ||
| Kerosene | ||
| Olive Oil | ||
| Good durability with chemicals and food materials. (recommended to be tested under your test specifications) |
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*Please contact us for other reliability tests and results.
Development Flow
Upon receipt of your design information, we suggest the most optimized sheekeypad design and develop by following the development flow to achieve stable production. Contact Polymatech today for your complete application solutions.
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 Based on our design guide, we review design
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