JHSC Home / Products / Holland Shielding Home / Micro Expanded Mesh
The 8930 series was developed for different EMI/EMC applications. It is a very effective EMI shielding material. It can be used as a standard mesh foil or it can be placed in between our shielded windows as a shielded interlayer.
The micro expanded mesh foil is lightweight and minimal 0.05mm and 0.075mm thick. The width of the roll is standard 450mm. It can be custom made in different widths and lengths on request.
Unlike knitted from woven mesh, the 8930 shows that it is consistent and predictable. The product is available in different materials like:
Materials
Raised (conventional) mesh dimensions
Raised (conventional) mesh
1
1
Flattened mesh dimensions
Flattened mesh
Benefits
1
1
8930 Micro expanded mesh shielding performance
| ■8930-Cu-0.05 |
■8930-Cu-0.075 |
■8930-Al-0.05 |
■8930-Al-0.075 |
■8930-Ni-0.05 |
■8930-Ni-0.075 |
■8930-Mo-0.05 |
■8930-Mo-0.075 |
Please note : These values are measured under laboratory conditions. Results may vary in other situations; please read our Guarantee.
Specifications
| Material | Thickness | weight2 | Open area | Shielding effectiveness 1 (dB) | ||
| G·m-2 | 100 MHz | 1 GHz | 10 GHz | |||
| Copper | 0.05 (50µm) | 215 | 53% | 72 | 53 | 33 |
| Copper | 0.075 (75µm) | 245 | 64% | 60 | 42 | 25 |
| Alluminium | 0.05 (50µm) | 65 | 53% | 70 | 51 | 32 |
| Alluminium | 0.075 (75µm) | 74 | 64% | 58 | 41 | 23 |
| Nickel | 0.05 (50µm) | 214 | 53% | 60 | 46 | 28 |
| Nickel | 0.075 (75µm) | 243 | 64% | 54 | 40 | 24 |
| Monel | 0.05 (50µm) | 271 | 39% | 67 | 53 | 36 |
| Monel | 0.075 (75µm) | 395 | 41% | 63 | 46 | 30 |
| 1 Test method: ASTM D4935-10 2 ±10% Various aperture coefficients is extrapolated to the theoretical O dB crossing frequency. The predicted 20 dB/decade reduction of SE with frequency is experimentally confirmed. | ||||||
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