Electronics Forum: coffee ring effect (Page 1 of 4)

Nitrogen gassing ring

Electronics Forum | Tue Mar 14 13:00:38 EDT 2017 | stephendo

I had a nitrogen salesman in yesterday. He brought his technical support person with him. He said he could add a pre-filter just before the machine regulator. I asked him about it and he said that if you get a pin-prick hole in your piping you can

SMT Line question

Electronics Forum | Mon Mar 25 15:32:34 EDT 2013 | jimmyboz

Are you concerned with physical vibration or electronic interference? If you can see your morning coffee have "rings", screen printers may suffer. Trains are a monsterous source of electrical "noise", just by thier engine (electric and diesel) not

Dektec Soldering Gear

Electronics Forum | Thu Aug 18 10:26:44 EDT 2005 | Allen

The reality of China is way greater than anyone in high government is admitting. As the purchasing power increases the ROW diminishes and the supply and demand economic cost bases takes on a life of its own. Technologically they become exposed earlie

solder preforms

Electronics Forum | Tue Aug 08 18:28:11 EDT 2000 | Shawn Mavity

I am looking for a supplier that I could by approximatly 7000 preformed solder rings from that will make it cost effective. We need to different sizes and so far the quotes that I have recieved are some what out of the price range to make it an optio

Suspected Pink Ring

Electronics Forum | Tue Jul 27 11:59:19 EDT 1999 | Wolfgang Busko

While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would m

Re: Suspected Pink Ring

Electronics Forum | Tue Jul 27 17:47:36 EDT 1999 | Earl Moon

| While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would

Re: Suspected Pink Ring

Electronics Forum | Wed Jul 28 12:02:48 EDT 1999 | Wolfgang Busko

| | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That wou

Re: Suspected Pink Ring

Electronics Forum | Wed Jul 28 20:14:22 EDT 1999 | Dave F

| While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would

Dorco Ring Rolling Machine: Protecting Workers' Health with Noise Reduction Technology

Electronics Forum | Thu Jul 11 08:10:01 EDT 2024 | yvonnechu

n today's industrial production, the efficient operation of machinery and the health and safety of workers are crucial aspects that companies cannot ignore. Dorco Heavy Industry has developed a fully automatic CNC ring rolling machine that not only s

Re: Suspected Pink Ring

Electronics Forum | Wed Jul 28 16:36:30 EDT 1999 | Earl Moon

| | | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That w

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