Check out IPC J-STD-003 Rob Carrillo <[log in to unmask]> on 08/18/98 03:34:17 PM Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please respond to Rob Carrillo <[log in to unmask]> To: [log in to unmask] cc: (bcc: Jason Smith/Lex/Lexmark) bcc: Jason Smith/Lex/Lexmark Subject: [TN] PC Board Surface Mount Solderability Is there a standard for planarity and thickness of surface mount pads. Many of boards received exhibit uneven HAL, yet meet MIL-PRF-55110F. As a result, the side of the pad with the thinner solder coat exhibits advanced stages of intermetallic growth. How do we, as an end user control this with our supplier base? Regards, Rob Carrillo Supplier Quality Engineer Electronic Systems Division Aerospace Group Parker Hannifin Corp. 300 Marcus Blvd. Smithtown, NY 11787 Tel: (516) 231-3737 X2049 Fax: (516) 348-1592 ################################################################ 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 ################################################################ ################################################################ 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 ################################################################