2000

ALD enters into the vacuum coating business by acquiring all EB/PVD activities from Leybold AG.

1999

Through founding the Own & Operate GmbH, ALD substantiates its service area of vacuum heat treatment. The joint venture Vacuheat (Germany) becomes the first vacuum heat treatment service...

1994

The vacuum metallurgy and vacuum heat treatment business become part of the newly founded ALD Vacuum Technologies GmbH (Aichelin, Leybold, Durferrit). ALD founds a sales subsidiary in Tokyo,...

1991

Degussa spins off its Durferrit business including Degussa Industrial Furnaces, while Leybold AG sheds its vacuum metallurgy division. The two spin-offs merge to form Leybold Durferrit GmbH.

1987

Degussa AG acquires all shares of Leybold-Heraeus GmbH, which is then renamed Leybold AG.