发明公开
EP0146315A2 Mould for direct press moulding of optical glass element 失效
Matriz zum direkten Pressen eines optischen Elements in Glas。

Mould for direct press moulding of optical glass element
摘要:
In a mould for use in the direct press moulding of optical glass to form optical elements, the pressing surface of the mould is formed of a material comprising a-silicon carbide and/ or amorphous silicon carbide.
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