A dispensable brazing paste useful in lamp manufacturing includes a brazing powder and a water soluble vehicle that has water, glycerin, a binder, and a dispersant that includes ammonium stearate and ammonium citrate. Preferably, the brazing powder is 84-87 wt % of the paste, the water is 3-5 wt %, the...http://www.google.fr/patents/US20050211017?utm_source=gb-gplus-shareBrevet US20050211017 - DISPENSIBLE BRAZING PASTE
Numéro de demande: 11/160,539 Numéro de publication: US 2005/0211017 A1 Date de dépôt: 28 juin 2005 Brevet délivré: US7244317 ( Date de délivrance 17 juil. 2007)