loetmaterial for brillengestelle and brillengestelle, where this loetmaterial is used.

摘要

A shape memory alloy is used for face-contacting parts (1, 3, 4, 5; 101) and lens-fixing parts (2) of a spectacle frame, and parts (12, 13; 103) connected thereto are formed of titanium, a titanium alloy, nickel, or a chromium alloy. These parts are suitably soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.