Found reference to optimal emf solder composition cadmium/tin alloy (70 %/30 %) in JJ array measurement article page 12.
www.bipm.org/utils/common/pdf/rapportBIPM/2011/05.pdf Quick look at ebay show 1/4 kg of pure cadmium cost 10$ (item 111333082639), so you can make quite a lot of solder for cheap ... Also interesting way to thermally anchor interconnection leads to copper block in page 11. J. _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
