UL94 VTM-0 (combined with Kapton200H)
* Kapton® is a registered trademark of DuPont in the U.S.
Product Overview
As electronic devices become smaller and lighter, the number of sidelight-type backlight boards is increasing. Furthermore, in order to increase the luminous efficiency of LEDs, the surface layers of backlight boards are required to be high in reflectance. Generally, white ink or the like is used, but backlight boards with higher reflectance can be created by adopting the SF-PC®1000-NR.
Features
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High reflectance (92 to 95% @550nm)
The reflectance is improved by 10% or more in comparison to white ink coverlay.
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Capable of reflowing
Offers high heat resistance, by which the reflectance does not drop even after reflowing.
Main specifications
| Item | SF-PC1000-NR | |
|---|---|---|
| Total thickness (after press) | 22μm | |
| Thickness Reinforcing film (including bonding layer) | 65μm | |
| Thickness Protection layer | 9μm | |
| Thickness Reflection layer (silver deposition) | 0.1μm | |
| Thickness Adhesion layer (non-conductive) | 13μm | |
| Thickness Protection film (including bonding layer) | 82μm | |
| Shelf life (keep cool) | 6 months | |
| Peeling strength after reliability test (vs. polyimide) | 85℃1000hr | Over 3.4N/cm |
| 60℃95%1000hr | Over 3.4N/cm | |
Examples of Use
Application image
Reflectance and basic characteristics
Reflectance by measurement wavelength
Reflectance after reflowing
| Reflow temperature (Top) |
Measurement wavelength | Initial value | Number of reflows | ||||
|---|---|---|---|---|---|---|---|
| ×1 | ×2 | ×3 | ×4 | ×5 | |||
| 260℃ | 550nm | 94% | 93% | 93% | 92% | 92% | 92% |
* Above data and numerical values are all actual measurement values, not guaranteed values.
