| 摘要 |
The main body(2) of the spinneret is made of metal with a high anti-corrosion property, at the vital point of the nozzle, L/D, a tantalum or an alloy of gold and platinum is fused to the nozzle main body. A pure tantalum or an alloy of gold and platinum is cut and is fused to the nozzle main body with nitrogen added, the vertical hole is opened thru the profile and is processed, cleaned up and placed in the substitution path, at the outlet of the nozzle a nitride layer is formed.
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