Date : 15/5/96 18:11 Msg From: ATUL RASTOGI The shelf life of OSP boards is 6 months in vacuum sealed packs.You can store these boards from a RH ranging from 30% to 70% without any deterioration in the shelf life as long as vacuum seal is intact Atul Rastogi >>>>>>>>>>>>>>> Posted: Tue, May 14, 1996 11:25 PM Msg: BJJG-2076-4363/20 From: ("RFC-822": <TechNet-request(a)ipc.org>, SITE:INTERNET) To: ("RFC-822": <technet(a)ipc.org>,SITE:INTERNET) CC: AIL.EHTP/PCL Subj: ASS: Storeage of PWB RFC-822-Headers: Resent-Date: Tue, 14 May 1996 06:41:27 -0700 Resent-Sender: [log in to unmask] Old-Return-Path: <[log in to unmask]> Encoding: 6 TEXT X-Mailer: Microsoft Mail V3.0 Resent-Message-ID: <"jUSfb1.0.iu6.In6cn"@ipc> Resent-From: [log in to unmask] X-Mailing-List: <[log in to unmask]> archive/latest/4112 X-Loop: [log in to unmask] Precedence: list Resent-Sender: [log in to unmask] What is the shelf life of Copper bare boards with OSP finish. What is the nominal RH at which the board may be stored at. If it's 45% RH, what's the effect if environment RH is increased to 60% ie what effect will an increase of RH have on the PWB during storeage? Thanks in advance. <<<<<<<<<<<<<<<