Frank I think what David did almost say is the SIR specs you derive from the standards you are obliged to work to . For general work even with coating the no clean will do you fine ( say up to class 2 ) ; however each application sector 's got usually it's own set of standards to adhere to ; being h/volume OEM sounds general IPC/ANSI standards I'd say you have already . The SMT no clean obviously being that much cleaner than PTH no clean . To sum it up you should have no general reasons for design considerations (especially on SMD) in consumer category . If you'd be a contract house I'd tell more . See you Paul Klasek http://www.resmed.com > ---------- > From: Kimmey, Frank[SMTP:[log in to unmask]] > Sent: Thursday, 28 January 1999 1:12 > To: [log in to unmask] > Subject: [TN] Design considerations for No-Clean processes > > Here is one for the Design and Assembly folks. > We are a high volume OEM of consumer electronics. > My Assembly has converted to a No-Clean process. > What are the differences that I should be concerned with at the design > level? > Should I have concerns about or modify any designs left over from the > Aqueous days? > Thanks for the help > FNK > > > Frank N Kimmey, C.I.D. > EM Designer > C & K Systems, Inc. > 916-353-5366 > [log in to unmask] > > ################################################################ > 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 ################################################################