Hi Victor, We see crazing as a major concern when the grid size gets down to .020". It is a condition that occurs frequently with lead free preconditioning 6X260°C. IMHO, I agree with you. Sincerely, Paul Reid Program Coordinator PWB Interconnect Solutions Inc. 235 Stafford Rd., West, Unit 103 Nepean, Ontario Canada, K2H 9C1 613 596 4244 ext. 229 Skype paul_reid_pwb [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez Sent: December 10, 2013 10:14 AM To: [log in to unmask] Subject: Re: [TN] Crazing I just started to notice more and more laminate crazing around PTHs barrels walls on LF solder and hybrid laminates. IMHO it is a concern that needs to be address. Victor, -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Pete Sent: Tuesday, December 10, 2013 8:42 AM To: [log in to unmask] Subject: Re: [TN] Crazing Back to the microsection validity question - are you sure they aren't trying to say that your microsectioning process caused the crazing, not that it isn't a correct inspection method? Pete ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________