A coated fiber strand includes one or more coating layers located directly or indirectly on the strand and at least one heterogeneous region present in or on one or more of the coating layer(s). The heterogeneous region(s) preferably comprises a material useful for coding of the fiber. One particularly...http://www.google.es/patents/US6317553?utm_source=gb-gplus-sharePatente US6317553 - Coated fiber strands having one or more heterogeneous regions and methods of making the same
Coated fiber strands having one or more heterogeneous regions and methods of ...
