Electronics Forum | Wed Dec 20 15:21:06 EST 2000 | OS
How should OSP PCB be handled, when stored; and during manufactruing process on production floor?
Electronics Forum | Tue Sep 26 08:41:27 EDT 2000 | greg
I am processing PCB's that have an n-tech osp coating and am finding huge inconsistencies in wetting. Some boards process clean with good wetting and the next has terrible wetting. The boards are stored and handled properly. Has anyone had this
Electronics Forum | Fri Sep 02 05:17:54 EDT 2005 | pyramus
I have another question can anybody assist me. Is there any specific procedure or guidelines that need to be followed for handling PCB (OSP & Immersion Tin)? Moisture Sensitive Devices? or how about throw-out or left over parts? Is there any paste h
Electronics Forum | Mon Jun 30 12:25:34 EDT 2003 | Tina
Thanks guys, We ended up not getting this job, but thanks for the input. I appreciate your help! Tina
Electronics Forum | Thu Jun 26 13:04:33 EDT 2003 | mderen
What are the handling requirments for PCB's coated with OSP? Also do most solder paste work the same with OSP or do I need to use a certain paste type?
Electronics Forum | Fri Jun 27 19:10:44 EDT 2003 | russ
Tina, I agree with Dave 100%, I also work at a contract house and the first thing we do is tell our customers our concerns with OSP. Usually what happens is we build the first lot with OSP since they are usually built already and all subsequent lots
Electronics Forum | Thu Nov 12 07:51:34 EST 2009 | davef
We have the same concerns about using OSP with adhesives. On the other hand, some suppliers claim their products work with OSP. This have to be handled on a case-by-case basis. How well does OSP transmit heat? It's quite thin.
Electronics Forum | Fri Jun 27 11:36:03 EDT 2003 | Tina
Thank You, Unfortunately I work at a contract house so I have no control. I will definitely take your advice and try to prevent as many problems as I can. From what you�ve told me already I can see a few things we need to change before processing th
Electronics Forum | Wed Dec 06 09:09:54 EST 2017 | davef
Suppliers have improved the utility and quality of OSP [organic solderability preservative] solderable surface protection over the years. Be cautious reading too much into older SMTnet [and web in general] conversations about handling OSP. When prop
Electronics Forum | Fri Apr 18 18:06:47 EDT 2014 | davef
Methods that can reduce the wettability of OSP: * Previous heat cycles * Previous cleaning cycles * IPC-1601 "Printed Board Handling and Storage Guidelines" says do not bake prior to soldering * Using improper handling methods BR ... davef