Electronics Forum | Tue Jan 23 06:16:13 EST 2007 | Ayelet
Hi, I am lookinh for standards that define the cleanliness level of the assembly room and also for the test and packaging room. I understand that tehre are some defintions of tempertaure and humidity that shoudl be met. Are there any specs for part
Electronics Forum | Sat Feb 14 08:21:13 EST 2009 | davef
We believe that it's perfectly resonable for you to define the cleanliness that you require. We recommend that you leave it at that and not define the process or materials that your supplier use in meeting that cleanliness level. Start with a dirty
Electronics Forum | Fri Feb 13 16:13:20 EST 2009 | jax
Many shops require levels for typical component packages on FR-4 or a like substrate to be 2, 9, 15, 1 and 10 mg/in2 for fluoride, chloride, bromide, nitrate, and sulfate respectively. These levels can change for Medical or Automotive.
Electronics Forum | Fri Feb 02 11:24:13 EST 2007 | vze3nk2r
is there a level above 100,000 that does not require the use of booties for general assembly work?
Electronics Forum | Tue May 14 20:43:55 EDT 2002 | davef
I feel as though I�ve just walked in to a bar, where everyone I was supposed to meet has been drinking for 3 hours. First, the volume of water displacement thing doesn�t make sense, as others have commented. Second, I believe Dave Robbie wants meas
Electronics Forum | Fri Oct 08 11:51:10 EDT 2004 | blnorman
Since you are using an Ionograph you need to use IPC-TM-650 method 2.3.25, static method. The test method is free on the IPC website. You'll need to get your customer to give you an acceptable cleanliness level to test to.
Electronics Forum | Tue May 22 11:38:04 EDT 2012 | naynayno
I am looking for IPC or other published standards that specify cleanliness levels for: 1) solder paste stencils 2) selective solder pallets When we cleaned PCB's we used a limit of 4 M-ohms. Now that we have transitioned to No-Clean, I am wonderi
Electronics Forum | Wed Oct 22 17:26:59 EDT 2003 | Terry Munson
Yes Ion Chromatography can when using a isolated extraction system called the C3 tester. Please email me or call of-line and we can show you what we have done for others to not only idendity the flux cleanliness levels but to qualify the cleaning pr
Electronics Forum | Tue Jun 26 09:37:28 EDT 2001 | Steve Vargas
We are interested in doing some further studies on our cleaning process, particularly with respect to how well we can clean underneath low profile components. As an SMT subcontractor, we'd ideally like to qualify our chemistry/cleaning process to cer
Electronics Forum | Mon Apr 15 22:37:27 EDT 2002 | davef
Regarding your customer suditor, it would have been nice if you said something like ... Routinely, our testing shall be less than 1.56 microgram/cm^2 NaCl equivalent ionic or ionizable flux residue, according to TM-650, Method 2.3.35 'Detection And
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