abstract |
The invention relates to a main part having at least one opening through which at least one functional element sheathed with a glass or glass ceramic material is led through the opening of the main part, for connection to a housing that consists of a light metal, in particular aluminum. The invention is characterized in that the main part consists at least partially of a light metal, preferably an aluminum alloy, in particular aluminum or an aluminum alloy, which has a yield point of more than 40 N /mm², preferably more than 50 N /mm², in particular more than 80 N /mm², in particular in the range of 80 N /mm² to 150 N /mm² when heated to temperatures of more than 520°C to a maximum of 560°C for more than 60 minutes, preferably up to 30 minutes. |