Mold for press-molding glass elements
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United States of America Patent
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Issued Date -
Aug 17, 2006
app pub date -
Jul 27, 2005
filing date -
Feb 1, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mold for press-molding glass elements is disclosed, which comprises a substrate and a protective film; wherein the protective film, being arranged on the substrate, is made of molybdenum-ruthenium (Mo--Ru) alloy instead of those precious metal alloys such as platinum-iridium (Pt--Ir) alloy, iridium-rhenium (Ir--Re) alloy and iridium- ruthenium (Ir--Ru) alloy, etc., being used as the protective film of prior-art molds. According, the mold of the invention can be manufactured at a comparatively lower cost while is capable of being used for press-molding glass elements of high precision and high softening point.
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