Industry Directory: black stain (2)

CHURCHILL CHEMICALS

Industry Directory | Manufacturer

We supply the latest automatic ssd solution, universal chemicals, activating powders and clean all types of defaced notes, black notes, anti-breeze, marked or stained bills( any currency). We melt and re-activate frozen chemicals

CHEMIST.COLTD

Industry Directory | Distributor

We are the ultimate SSD Solution manufacturer, we are situated in Cameroon. We believe in quality chemicals and we live to our expectations, with a thirty day return policy on a lifetime quality.

Electronics Forum: black stain (17)

solder black stains after reflow

Electronics Forum | Wed Sep 26 12:16:44 EDT 2012 | bwjm

Hi Guys,recently i am facing an issue. Refer to the attached photo. This PCB is high RF speed, gold immersion single layer. After reflow, my solder seems to have black stains on it. I tried with SAC305 paste water soluble and no-clean, both results a

Black stain... what causes it?

Electronics Forum | Fri Jan 25 14:20:31 EST 2013 | jorge_quijano

Hi there, I have a new product today, after reflow oven I've seen a black stain coming from various holes, they can be cleaned with a tissue but some of the contaminant remains inside, we are using Sn63Pb37, the stains are far from soldering areas, t

Express Newsletter: black stain (43)


black stain searches for Companies, Equipment, Machines, Suppliers & Information

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Void Free Reflow Soldering

High Resolution Fast Speed Industrial Cameras.
Selective Soldering Nozzles

Nozzles, Feeders, Spare Parts - Siemens, Fuji, Juki, Yamaha, etc...
Voidless Reflow Soldering

High Throughput Reflow Oven
PCB Handling with CE

World's Best Reflow Oven Customizable for Unique Applications


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