Diamant-Drahtziehmatrize und Verfahren zur Herstellung der Diamant-Drahtziehmatrize

摘要

A diamond wire drawing die is disclosed which is made of gaseous phase synthesized diamond, and comprises a first polycrystalline diamond layer (2) and a second polycrystalline diamond layer (4). The finest diamond particle portion of the diamond layer is made into the wire contact portion.