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Multi-Hole Cladding Preforms for MCF

Multi-hole Cladding Preform for MCF

Core Insertion Hole-Making Technology by Slurry Casting Method

Using a mold improves hole precision and process efficiency.

  1. The mold is assembled with multiple wires/rods.
  2. By pulling out the wires/rods after molding, precise hole arrangement is achieved.
  3. Finally, it is sintered to be vitrified.
Process image of SSG® hole-making technology by slurry casting method
Quartz part with a 50 μm ultra-fine hole made by SSG

50 μm Ultra-Fine Hole

The slurry casting method enables ultra-fine holes that are difficult to achieve by drilling.
We have achieved hole formation with a minimum diameter of 50 µm.

Quartz part with a 50 μm ultra-fine hole made by SSG
Close-up photo of the hole

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