Patent ID: 11945392
Assignee: SCHOTT AG
Field: Transport (Mechanical engineering)
Classification: CPC B  F  C  H | IPC B  C  F  H

Claim 19:
20. A method for producing a metal-fixing material feedthrough having at least one metal pin that is fused into a through opening of a main body in a vitreous or glass ceramic fixing material that has a surface between the at least one metal pin and the main body, the method comprising:
fusing the at least one metal pin into the vitreous or glass ceramic fixing material by heating the vitreous or glass ceramic fixing material, the heated fixing material being freely fused at the surface, a mean roughness Ra of the surface of the vitreous or glass ceramic fixing material according to DIN EN ISO 4287 being less than 0.1 μm or being in a range of from 0.015 μm to 0.05 μm.