Micro Rods
High-precision spacers for LCDs
Micro Rods are manufactured by cutting glass fiber and used mainly as gap spacers in LCDs. Conductive Micro Rods with nickel/gold double-layer plating are also available.
Features
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Very precise diameter distribution attributable to manufacturing method
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High adhesive strength with coupling agents and sealants
Specification Examples
| Rod diameter (μm) | ||||
|---|---|---|---|---|
| Rod diameter center | Part No. | Mean | Standard deviation | Maximum |
| 6.0μｍ | PF-60 | 6.00±0.01 | 0.07 max | 6.20 |
| PF-60S | ||||
Product Lineup
| PF series | ||
|---|---|---|
| Rod length | Normal length type | Short type |
| Rod diameter | 5.0-25.0μm | 3.0-9.0μm |
Properties
| Properties/Glass code | PF | ||
|---|---|---|---|
| Coefficient of thermal expansion | 30-380℃ | ×10-7/K | 56 |
| Strain point | ℃ | 635 | |
| Annealing point | ℃ | 680 | |
| Softening point | ℃ | 850 | |
| Dielectric constant | 1MHz, 25℃ | 6.7 | |
| tan δ | 1MHz, 25℃ | ×10-4 | 15 |
| Volume resistivity Log ρ | 150℃ | Ω･cm | 17 |
| 200℃ | 13.6 | ||
| Thermal conductivity | 0℃ | W/m･K | 1.04 |
| Vickers hardness | Hv（0.2） | 640 | |
| Moh’s hardness | 6.5 | ||
| Density | ×103kg/m3 | 2.6 | |
| Refractive index (nd) | 1.56 | ||
Correlation between Rod Diameter and Rod Length by Type
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Functions and Characteristics
Shape