Kat Try http://www.mot-sps.com/solutions/wired/pbga/pbga.html Its a pretty comprehensive guide to BGA from designing them, through to assembling and testing them, its based on one of their application notes, and can be dowloaded for Adobe. Roger ______________________________ Reply Separator _________________________________ Subject: [TN] BGA Technical & Rework Info Author: "TechNet E-Mail Forum." <[log in to unmask]> at #email Date: 26/05/99 21:17 Hey all, Thanks for the info on plated through-hole. Anybody know where to find good sites in the net that deals with BGAs? The few that I came across were mostly simple ones Thanks in advance. Kat LEE ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################ ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################