Production year
2004
© Jean-Louis AUGUSTE/CNRS Images
20040001_0176
Passage d'une préforme de fibre à trous de 20 mm de diamètre à cette canne de 2 mm de diamètre. Celle-ci est ensuite manchonnée dans un tube à bord épais, redonnant une préforme de 20 mm de diamètre extérieur environ, ceci afin d'obtenir lors du fibrage des trous de taille submicronique.
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2004
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