John Ryaby Thanks for your request. Do let me have your snailmail and email addresses to send the info because: A There just ain't enough room on the TechNet to give it all B It would bore the pants of most technetters - save SIR Doug ([log in to unmask]) who might help me? Best regardsGraham Naisbitt [log in to unmask] Tel: +44 (0)1276 691100 Fax: +44 (0)1276 691227 -----Original Message----- From: Ryaby, John Sent: Thursday, June 26, 1997 2:39 AM To: Graham Naisbitt Subject: RE: Cleanliness of assembled boards Graham, I am interested in additional information regarding SIR testing of 'no clean' boards. John Ryaby > ---------- > From: Graham Naisbitt[SMTP:[log in to unmask]] > Sent: Wednesday, June 25, 1997 7:01 PM > To: MATI BARUCH; [log in to unmask] > Subject: RE: Cleanliness of assembled boards > > As you will no doubt have surmised, how DO you cleanliness test > no-clean. > Further, if you do, how clean is clean? I 1(g per inch2 of salt better > than > 10? Will the board work OK? > > For these reasons please refer to the IPC 9201 SIR (Surface Insulation > > Resistance) Test Handbook. > > SIR Testing is able to inform you if your circuit is reliable - it > will not > inform you of what may be on the surface. > > Another test is IC (Ion Chromatography) that will tell you what is on > the > surface but not whether the circuit is reliable. > > SIR testing equipment is now available with frequent monitoring to > reduce test > times to a few hours not days. > > If you can provide me with your snailmail address, I will send more > information. > > [log in to unmask] > > -----Original Message----- > From: MATI BARUCH > Sent: 26 June 1997 04:40 > To: [log in to unmask] > Subject: Cleanliness of assembled boards > > The ANSI/J-STD-001 specifies cleanliness of assembled boards after > clean process. What are the requirements for assembled boards with > flax > no-clean. > > ********************************************************************** > ***** > * TechNet mail list is provided as a service by IPC using SmartList > v3.05 * > ********************************************************************** > ***** > * To subscribe/unsubscribe send a message <to: > [log in to unmask]> * > * with <subject: subscribe/unsubscribe> and no text in the body. > * > ********************************************************************** > ***** > * If you are having a problem with the IPC TechNet forum please > contact * > * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] > * > ********************************************************************** > ***** > > ********************************************************************** > ***** > * TechNet mail list is provided as a service by IPC using SmartList > v3.05 * > ********************************************************************** > ***** > * To subscribe/unsubscribe send a message <to: > [log in to unmask]> * > * with <subject: subscribe/unsubscribe> and no text in the body. > * > ********************************************************************** > ***** > * If you are having a problem with the IPC TechNet forum please > contact * > * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] > * > ********************************************************************** > ***** > *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To subscribe/unsubscribe send a message <to: [log in to unmask]> * * with <subject: subscribe/unsubscribe> and no text in the body. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************