US 11,052,492 B2 · Use of an alloy as a brazing alloy for an electric switch braze joint, an electric switch braze joint, an electric switch and a method of producing an electric switch braze joint

Abstract

Embodiments of the present disclosure relate to an alloy as a brazing alloy for an electric switch braze joint, an electric switch braze joint, an electric switch and a method of producing an electric switch braze joint. The alloy composition of said the alloy consists of at least one element selected from each of group I and group II listed below, and a balance of impurities, Ag, and at least one of Cu, and Zn. Group I encompasses Cd, Mn, Ni, P, Sb, Si, Sn, Ti, and oxides thereof in a total amount of 0.5 to 45.0 wt. %. Group II encompasses Bi, Mo, Te, W, and oxides thereof, oxides of Cu and Zn in a total amount of 0.1 to 15.0 wt. %.

Claims19

Dependent claims

An electric switch braze joint, comprising

an Ag-metal oxide contact material,
a carrier material;
and
a brazed interlayer between the Ag-metal oxide contact material and the carrier material,
the electric switch braze joint being formed by brazing with an alloy as a brazing alloy having a composition consisting of:
at least one element selected from each of group I and group II listed below,
the balance being Ag and impurities, and optionally at least one of Cu, and Zn;
group I:
Cd, Mn, Ni, P, Sb, Si, Sn, Ti, and oxides thereof in a total amount of 0.5 to 45.0 wt. %;
and
group II:
Bi, Mo, Te, W, and oxides thereof, oxides of Cu and Zn in a total amount of 0.1 to 15.0 wt. %.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/242,450Filed 8 Jan 2019 · continuation

Priority

EP 161785648 Jul 2016

Published

US 2019/0134760 A19 May 2019

Granted

6 Jul 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification23 codes

B23K 35/302
With the principal constituent melting at less than 1550°C: cu as the principal constituent
B23K 1/0016
Specially adapted for particular articles or work: soldering of electronic components
B23K 35/02
Rods, electrodes, materials, or media, for use in soldering, welding, or cutting: characterised by mechanical features, e.g. shape
B23K 35/0222
Characterised by mechanical features, e.g. shape: for use in soldering or brazing

Use of an alloy as a brazing alloy for an electric switch braze joint, an electric switch braze joint, an electric switch and a method of producing an electric switch braze joint

Life of this patent

Use of an alloy as a brazing alloy for an electric switch braze joint, an electric switch braze joint, an electric switch and a method of producing an electric switch braze joint

Life of this patent

Abstract

Claims19