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1482
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First
official document of the Kupferhütte auf der Nanzenbach.
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1728
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Name
is changed to Isabelle Kupferhütte; a silver, lead and copper
foundry is operated.
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1827
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Transfer
of ISABELLENHÜTTE into family Heusler’s propriety;
production of copper alloys and of nickel
(degree of purity: 96 - 98 %)
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1868
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Discontinuation
of nickel production
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1881
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First
manufacture of manganese (degree of purity: 98 %) as well as of manganese
bronze (machine-building industry) and copper manganese alloys (for
precision resistors); our latest production line is based on those CuMn
alloys - passive electrical components.
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1952
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Construction
of the wire drawing department
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1960
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Construction
of the wire enamelling department
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1970
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Modernization
of the melting shop;
starting up the first EDP equipment
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1980
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Construction
of the hot rolling mill;
development of first electrical components
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1982
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Installation
of the first computer-aided production and control facilities as a basis
of our quality assurance system; ISABELLENHÜTTE becomes member of Deutscher
Kalibrierdienst (German calibration service)
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1991
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New
building for the production of components
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1994
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Starting
the fundamental renovation of the wire mill
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1995
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Certification
according to DIN EN ISO 9002
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1996
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further
construction to the component’s department
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1998
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Certification
according to DIN EN ISO 9001
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1999
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Extension
of our wire mill
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2002
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Third
building for the components line;
development of ASIC (Application Specific Integrated Circuit);
Certification according to ISO/TS 16949
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