electro-etching

[No0Nik]

Вода нагревается! Весь лак отойдет нафиг и вытравится неравномерно.

[1984in2010]

Oh my god... why would you cut the video off there????

Continue..."when etching copper instead of using a saltwater electorolit you would use..."

???????

[szajbaszajbaszajba]

there is a serious bird crap on your power supply

[wal63942]

what is the voltage that is used? does it work with 6 volts?

[wal63942]

what is the voltage that is used?

[magicknight92]

if anyone thinks you can get an electric shock from 12 v car battery or charge you should just leave this debate because you are 2 thick to understand anything about electrics! the only shock you could possibley get from this electro etching is the static charge that builds up on the plastic container! which is quite unlikely but may happen!

[RealNeurotiq]

does anyone know a better video explaining this?

I understand electrolysis, but not how to prep the PCB, this video is short.

[derfpa1]

Electroetching is no good for PCBs since the traces get eaten of by the etching and the etching stops before the etching is done. But it's great for doing fancy ethings on various metal plates etc.

[disappearences]

They use salty water (2:15). It makes chlorine.

[exnol]

Why what about a car battery...I have touched it and didn't get electrocuted. Also car battery at 12 V never electrocutes any one

[First2ner]

no shit, low voltage, and your hand dry

[bluethunderhorse]

a 12v car battery can knock the shit out of you worse than 220v because it's direct current wear a metal watch touch one side to the metal body of the car touch the other side to the positive terminal on the battery and watch it get melted off your arm

[exnol]

Dude thats the current through a low resistance path at work. The I^2R produces is very high since currents can reach may be more than 100 amps. The case with electric shock is totally different. A 12V car battery can't make enough current to flow through the human body (high resistance) to cause a shock. Try it your self. I have tried it many times in my home lab and with my car.

[bedeone]

@exnol Try wetting your fingers first. Used as a torture technique dude, hurts like fuck.

[exnol]

@bedeone

I haven't tried that yeat. I hope you are right. Any way I don't want to test it. But still the guy who said 12V is worse than 220 is mistaken...

[RetroRepair]

The voltage isn't what you need to worry about, the current is and at 400 amps it'd electrocute EVERYONE.

[RetroRepair]

Pardon me, it'd give you a nice electric SHOCK. Electrocution implys death :)

[exnol]

@RetroRepair..

May be it can give a shock. but it can never drive 400AMPS man. Check your body resistence after you wet ypur hands. It will never go anywhere below some 100 or so Kilo Ohms.

[exnol]

And why is that girl asking "Will you get electrocuted" - I never heard of anyone electrocuted at 12V DC...

[sounduser]

what about a car batt???

[ve2zzz]

Many questions: 1 - What do you use as electrolyte ? 2 - The other rod, what metal do you use for it ? 3 - By what ratio do you speed-up the etching compared to classic FeCl ? 4 - Do you have to preheat the electrolyte before starting electro-etching ?

Thanks for your attention...

[wshellcry]

1. He said his electrolyte was water in the video.

2. The other rod looks like it's probably iron/stell (a fair assumption since it's a threaded rod with a greyish/silver color). The composition of the rod doesn't really matter as long as it's conductive.

3. The more current, the faster the reaction. The speed is variable. Etching with FeCl is variable as well depending on concentration.

[wshellcry]

4. Preheating is not required. Technically the hotter the system gets the slower it will etch. This is because resistance increases as the materials get hotter, therefor less current. Less current means less electrolysis which results in fewer copper atoms being oxidized.

[Nowekian]

little tommy was a chemist,

little tommy is no more,

'cause what he thought was H2O,

was H2So4!

:)

[emel60]

pulitzer award

[Nowekian]

:-D

[emel60]

:-P

[fst3v0]

@Nowekian I had to look that up... lol

[Nowekian]

@fst3v0 but now you know... and knowing is half the battle!

[kiore22]

I think an ostrich done number 2's on your power supply ;)

[LeoBullterrier]

Hydrogen the same stuff you can run your engine on.

[msezza]

yes... you spaz! :@

[BikesXtreme]

I ma gona use this to etch my PCB's

[e709e1]

lol so very cool. you can do the same thing with iodized salt and a 12v battery:-P it makes iodine

[drum0308]

This is cool, and as a student of metals myself I have three questions. First: what are you etching here (what base metal?), Second: what is the electrolyte being used? Third: it cuts off before you say what the electrolyte for copper is, what is the elctrolyte for copper, is it just dilute sulfuric acid?

[samanthms123]

i like etching Using HCL Acid

[BikesXtreme]

This acid is very daungerous, better you should use FeCl

[dineshtilva]

good video for me