Electronics Forum: how level (Page 1 of 53)

SAC copper level control

Electronics Forum | Wed Sep 27 08:28:05 EDT 2006 | AR

Hi all All you wave soldering people, have you had any trouble in keeping the copper level of your SAC solder pots under control? How do you combat the gradual rise of copper contents owing to dissolution from through-hole component leads etc.?

sampling scrap level on siplace

Electronics Forum | Fri May 06 18:19:45 EDT 2005 | Dr. Klein

hello all. i would like to know a process for sampling scrap lever from siplace mechine (madamas prog). what is the everage scrap level? how many times should i sample scrap level during assembly? what are the steps operator should do for fixing hig

Entry level turn key system

Electronics Forum | Fri Sep 27 15:37:05 EDT 2013 | tuxlab

We are thinking of getting a small pcb assembly setup for a small manufacturing co-op here in Los Angeles. Our experience consist of manual soldering of through hole and smt components. A quick search suggests that there are a few turn key opt

Acceptable level of defects for Wave Soldering

Electronics Forum | Tue Sep 28 08:04:26 EDT 2004 | davef

Grayman: How does a "solder wave optimizer" replace fax paper to indicate flux penetration of PTH?

Ion Contamination level allowed on Connectors

Electronics Forum | Tue Sep 21 13:24:17 EDT 2004 | GS

Hello, does any one please can tell me if any Standard says how much is the Total Ion Contamination ( ugr/NaCl sqcm equivalent, Br- in particular way) allowed on Connector surface/body ? (ie. DIMM connectors, and similar). Many Thanks in advan

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

How you pack & ship your board level assemblies?

Electronics Forum | Wed Feb 14 22:51:42 EST 2018 | leadthree

How you pack & ship your board level assemblies? I mean assembled PCB modules without housing etc. We often have small assemblies (cigarette box size) in the $5-15 range. We put them the (dreadful) red bubble bags and then on carton trays with carto

How you pack & ship your board level assemblies?

Electronics Forum | Tue Mar 13 03:21:18 EDT 2018 | 3l3ctro

Do you also have some accessories that you use to keep your board level assemblies secured? I'm planning to buy some truck accessories (headache rack and chains) at http://4wheelonline.com to keep the boxes safe on the bed of my truck.

How you pack & ship your board level assemblies?

Electronics Forum | Thu Feb 15 15:14:20 EST 2018 | dleeper

How are you shipping, 3rd party such as UPS, DHL, etc. Or do you have your own personnel who will be a lot more carful with the packages? I've shipped boards just in the silver ESD bags with out problems. The trick is to pack them fairly tightly so

How you pack & ship your board level assemblies?

Electronics Forum | Fri Feb 16 03:02:02 EST 2018 | robl

100% agree with dwl. last year one of our 3rd party delivery partners got rear ended resulting in about 30% of a $120,000 shipment being written off. If it hadn't been for foam lined flight cases we would have lost the lot. Also for smaller 3rd pa

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