| 摘要 |
Yarn feeder (F) comprising an optoelectronic yarn sensor (S) including a reflector surface (B) provided at a peripheral portion of a storage body (3) carrying yarn windings (9), the reflector surface (B) being located behind a light transparent protective layer (5), a surface (13) of which is contacted by said yarn windings (9), with the protective layer (5) consisting at least at the surface (13) of a light transparent amorphous ceramic material (C). |
