> "Space product assurance - Qualification and procurement of printed circu= it boards" > March 2019 > ESA 270 pages > > Maybe: https://escies.org/download/webDocumentFile?id=3D66982 That is a new one that combines several previous documents. ECSS-Q-ST-70-10C Qualification of printed circuit boards, Nov 2008 ECSS-Q-ST-70-11C Procurement of printed circuit boards Nov 2008 ECSS-Q-ST-70-12C Design rules for printed circuit boards Jul 2014 > Space product assurance - Data for selection of space materials and proc= esses ECSS =3D ESA June 2004 > 222 pages > > http://www.esmat.esa.int/ecss-q-70-71a.pdf And you can find heaps more there ... ECSS-Q-ST-70-08C Manual soldering of high reliability electrical connection= s Mar 2009 ECSS-Q-ST-70-38C High-reliability soldering for surface-mount and mixed tec= hnology Jul 2008 There is a new one coming out that will supersede both of these and combine= them. ECSS-Q-ST-70-61C High reliability assembly for surface mount and through ho= le connections. Was released for public review in Mar 2019. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .