Junkosha Flat and High-Flex Cable
In the manufacturing equipment for semiconductors, flat panel displays (FPD), and other measurement devices, as well as in space equipment, it has been observed that where outgassing from resin materials in environments ranging from atmospheric pressure to partial vacuum can cause lens fogging and degrade the performance of the equipment. At Junkosha we utilize a fluoropolymer with special processing on the outermost layer sheath, resulting in a significant improvement in low outgassing, flexibility, low friction, and durability. The result is a low outgassing cable that can be used in atmospheric pressure environments as well as medium-vacuum environments.
Junkosha cables can be customized for conductor count and shielding to match the usage environment and expected lifespan. Additionally, depending on the application, we can provide suggestions for both round and flat cable types.
Junkosha cables can be customized for conductor count and shielding to match the usage environment and expected lifespan. Additionally, depending on the application, we can provide suggestions for both round and flat cable types.
Features
- Low Outgassing: The amount of outgassing in environments ranging from atmospheric pressure to partial vacuum is minimal
- Flexibility: Flexibility, a drawback of fluoropolymers, greatly improved
- High Durability: Customized proposals can be made to meet the expected lifespan as per customer requirements, especially in movable parts
- Low Friction: Compared to other materials, low friction is dramatically improved
- Flexibility: Flexibility, a drawback of fluoropolymers, greatly improved
- High Durability: Customized proposals can be made to meet the expected lifespan as per customer requirements, especially in movable parts
- Low Friction: Compared to other materials, low friction is dramatically improved
Use
- DUV lithography equipment for semiconductor and FPD manufacturing
- Satellites and other space equipment
- Satellites and other space equipment
Comprehensive Technical Data Overview
| Round | Flat | |
| Jacket Material | EPTFE & Fluoropolymer | EPTFE & Fluoropolymer |
| Jacket Color | White | White |
| Core Types | Signal, Power | Signal, Power, Pneumatic, Fluids |
| Maximum Self-Supporting Length [mm (inch)] | - | 600(24) a) |
| Maximum Width of Cable [mm (inch)] | - | 90 |
| Minimum Bend Radius | > 10 × OD a) | > 10 × OD a) |
| Maximum Acceleration [m/sec2] b) | - | 25 a) |
| Speed [m/sec] b) | - | ＞3 a) |
| Flex Life (Cycles) (BR. 50 mm up to 4G Accelerations) | - | ＞30 million a) |
| Temperature Range [°C] | –20 to +200 a) | –20 to +200 a) |
| Particulation b) (ISO14644-1) | - | Class1 |
| Particle-Free Applicable | Applicable | Applicable |
| Certifications a) | UL | UL |
Fraunhofer Data
| Particles/cft | Velocity | ||
| 0.5 m/s | 1.0 m/s | 2.0 m/s | |
| 0.1μm | 0.0 | 0.0 | 0.0 |
| 0.2μm | 0.0 | 0.0 | 0.0 |
| 0.3μm | 0.0 | 0.0 | 0.0 |
| 0.5μm | 0.0 | 0.0 | 0.0 |
| 1.0μm | 0.0 | 0.0 | 0.0 |
| 5.0μm | 0.0 | 0.0 | 0.0 |
※The constituent materials are evaluated based on equivalent products.
Comparison of Outgassing Emissions
- Outgassing characteristic
-
Heat a sample in an inert gas flow. Then, trap, collect, and concentrate the gas generated from the sample into an absorbent.
Measure the gas using GC-MS (Gas-chromatography mass spectrometer system).
- Cable flexibility
-
Approx. 300mm diameter ring was made by banding both ends of 1000mm length cable.
Apply a load of 910g at lower end of the circle. The pole diameter and equator diameter were measured after 5 seconds. The oblateness is a/b.
- Abrasion resistance
- Measure the kinetic friction of coefficient of sample by pressing and rotating sample (plate form) on to pipe-shaped counterpart material.
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