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New for February 2019
And coming soon!
Silver sinter paste is a new attachment material that is gaining traction in attaching power amplifier chips. It is like a cross between conductive epoxy and solder. Sintered silver can have thermal condiuctivity of greater than 100 W/mK, which is much higher than silver-loaded epoxy. It was devellped as a lead-free alternative, as a consequency of RoHS.
Sources include:
Heraus has a product called mAgic. Get it, "Ag" is silver on teh periodic chart. Ag is the abbreviation of the Latin word for silver, "argentum".
Kyocera offeres silver sintering paste
Namics also offers silver-sintering paste
Here's an entire book on the subject. Or just read this PhD thesis.