Electronics Forum: r.o.s.e. (Page 1 of 1)

Cleanliness test

Electronics Forum | Fri Jan 03 19:17:12 EST 2003 | Mike Konrad

Hi Richard My experience with R.O.S.E. testers has been positive with regard to detecting ionic contamination (even exceptionally low levels). As previously mentioned, a good R.O.S.E tester will be able to detect minuet levels of ionic contaminatio

Water Quality Requirements to wash boards

Electronics Forum | Thu Apr 18 17:29:00 EDT 2002 | dason_c

The industrial standard is follow the R.O.S.E test as a guideline per J-STD-001 and the limit is 10ug/sq. inch. Different tester with different equivalent factor with the ROSE and you can refer back to the manual, the Zero Ion tester with equivalent

PCB post reflow cleaning

Electronics Forum | Fri Mar 26 12:26:31 EST 2004 | Mike Konrad

Hi Patrick, With all due respect, it is easy to quantify zero. You made a claim that your flux produces ZERO residue. There are several industry-standards (IPC and Military) of determining the cleanliness of post-reflowed circuit assemblies. Th

Necessity of ROSE in commercial quality processes

Electronics Forum | Sun Feb 26 21:48:28 EST 2006 | Mike Konrad

Hi GS, Just a clarification� No-clean does NOT equal no ions. It equals less ions (at best). Automatic R.O.S.E (Resistivity Of Solvent Extract) testers are commonly used to detect ionic contamination from no-clean applications. Your comment rega

Flux residues found after assembly process (Clean process)

Electronics Forum | Fri Jan 08 12:27:55 EST 2016 | aqueous

The most common method is a R.O.S.E tester. They have been around for 30 years and are an industry standard for ionic contamination (flux and other residues) testing. Manufacturers include: Zero Ion www.aqueoustech.com Omegameter / Ionagraph http:/

SIR starting point...?

Electronics Forum | Mon Oct 21 22:15:36 EDT 2002 | davef

First, SIR data is heavily dependant on the test pattern selected. Be very careful when comparing the results of resistance readings taken from different geometric patterns. Second, if yer talkin': * Bare boards, yupper. * Finished assemblies impor

how clean is clean?

Electronics Forum | Thu May 26 19:32:13 EDT 2005 | Mike Konrad

Three popular methods: Resistivity of Solvent Extract (ROSE) Test Method IPC-TM-650 2.3.25: The ROSE test method is used as a process control tool to detect the presence of bulk ionics. The IPC upper limit is set at 10.0 *g/NaCl/in2. This test is p

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