Film Antenna
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Features
- Highly adhesive to glass panes
- Highly transparent
- Electrical circuits of arbitrary shape can be formed on a thin PET film
- Possible to achieve low-resistance electrical circuits
- Available in a wide variety of designs
- High flexibility and adhesion to curved surfaces
- No discoloration when exposed to sunlight
Use
- Diversity antennas mounted on window glass
⇒For FM-VICS, ATV, DTV (one-or full-segment), and GPS - RF-ID tag antennas
- Electrostatic sensors
Specifications
Structure
Materials
| Material | Thickness | |
|---|---|---|
| Film | PET | 25 to 188μm |
| Circuit | Ag | 10μm |
| Circuit protection | Clear resist | 10μm |
Characteristics
| Test item | Test content | Value | |
|---|---|---|---|
| Adhesion | Peel strength from glass panes | 20N/25mm or higher | |
| Circuit resistance | Electrical resistance of a conductor 1mm in width and 100mm in length | 2Ω or less | |
| Total light transmission | Measured with film antenna attached to slide glass | About 90%* | |
| Environmental resistance | Weather resistance | Kept in a sunshine weather meter for 300 hours. | No discoloration |
| Kept in a UV carbon fade meter for 400 hours. | No discoloration | ||
| Heat resistance test | 80°C | No dimensional change No discoloration Rate of change in electrical resistance: 10% or less |
|
| Heat and humidity resistance test | 50°C×95%RH | ||
| Heat and humidity cycle test | From -30°C to 80°C, and then to 50°C at 90%RH | ||
* Note: Total light transmission depends on the thickness of the PET film.
