Etching Brass With Ferric Chloride

[@taitano12]

I remember the main video series this came from. The whole thing is part of several projects on this and a few other channels that have really motivated me to get back into Making and Hacking. The finished clock is freaking gorgeous, and the shop is small enough that I can build something like it on a trailer. Chris definitely has given me some good inspiration.

[@protocol6]

Reminds me of the days before surface mount electronics when I'd make circuit boards at home.

[@taitano12]

Eh. I still do this, even with SMDs... Or, at least I used to. SMD is a bit fiddly for my taste. Though, I do look to be getting back into electronics again.

[@blahblahblahblah2933]

I prefer SMD parts when I make my own boards; fewer holes to drill.

[@HSkraekelig]

Me, too, though after working with Ferric Chloride for a while I switched to Ammonium Persulfate. Much less stainy :) Letraset dry transfers and a resist pen. Those were the days :)

[@OurAmazingSkies]

A master talent at work. Incredible craftsmanhip.

[@jakobhalskov]

Smiled when the iPhone timer from ancient times appeared :)

[@ironnerd8336]

You have a way of making nerve-wracking things chill, and it never disappoints.

[@PhilWaud]

Your silent instructional videos are so well made and informative! Thank you.

[@dyamant78]

Can’t wait for the next video of A. Mechanism series!! Thank you for sharing your awesome content!!

[@willembont4790]

Nice job. Looks beautiful.

[@Watchyn_Yarwood]

You never cease to amaze me!

[@apollorobb]

Same way i do circuit boards . Except i use a thermal printer transfer method a lot less steps . Never thought of doing it on brass

[@ServantOfBoron]

Masterwork level of craftsmanship! When can we expect the next video about Antikythera mechanism?

[@needamuffin]

I love that it also alters the chemistry of the parts it does affect and bribs more of the copper to the surface so that the color changes.

[@nerd1000ify]

It's dezincification of the brass. What's actually happening is the zinc dissolves first, leaving a porous layer of copper behind. A common problem for brass parts in chloride solutions, e.g. seawater. You can get dezincification resistant (DZR) brass, it has a small amount of arsenic added to the alloy.

[@matthasaname]

Oh to be able to just push around a broom in your shop.

[@mpetersen6]

To judge by his shop tour video you could pretty much do it standing still.

[@theselectiveluddite]

@@mpetersen6 :D

[@Beez-III]

Gorgeous !!

[@nzs316]

Fascinating!

[@soxxz2028]

wish i could get my pcbs this good

[@johnnycomelately6341]

Brilliant

[@thoane1]

For beter application of the film, you can spray water on the brass plate befor application the film

[@enricotosco]

Bellissimi lavori! Come agente corrosivo puoi anche usare, in bagni differenti, acqua ossigenata a 130volumi per ossidare e acido cloridrico concentrato per corrodere la parte ossidata. Intervallando con risciacqui con acqua corrente.

[@kanhaiyalalMourya1122]

Sir ji jo blu film roll hai uska kya name hai.

[@clintongryke6887]

Lovely.

[@heighRick]

Thanks for the video, helps a lot!

[@stevearehart313]

I wish you lived in Nebraska, USA

[@TheTarrMan]

Looks awesome.

[@olivierw7405]

Hi dear Friend What is the temperature of the water you add to your sodium carbonate please ? I need to wait for a very long time to develop but i use it at ambiant temperature Thanks Olivier from France

[@IIGrayfoxII]

I have a large bottle of Ferric Chloride powder I have not used in ages.

[@ralhmcc47]

In the event it has to be done vent that the finished dial is not up to your standards can the dial be salvaged or a new piece of brass and start over? Or flip it over and etch the other side?

[@sachinaudiolibrary3656]

What is the chemical used to take a print on it To print a photo on it first put a sticker on it What is the chemical in it

[@jigglemore]

Man that’s a cool retro phone you got there! How is that thing still alive?!

[@Philtoid]

Phenomenal

[@AdrajKSA]

What is the name of the material used to transfer the design to metal?

[@butsukete1806]

That phone has to be at least a decade old, how does the battery still hold a charge?

[@ClickspringClips]

preview of iphone 20, they're going full retro :)

[@cantisaniluthier]

I still have an iphone 3gs that I use as an ipod. it have better battery than the iphone 5 I owned a few years ago 😅

[@redfish6C]

Bravo !!!

[@TrevorDyck]

So cool. I would *definitely* screw this up in at least ten ways!

[@joesmith1574]

Cool!

[@sanudhara]

What was that black sticker? Is it regular sticker?

[@CorwynGC]

I'm curious what washing with water does *after* cleaning with Acetone.

[@highlorddarkstar]

Given the acetone was to get rid of resist, probably to prevent damage to the resist you want to keep by washing off any remaining acetone.

[@randysarmiento8842]

what is the last liquid you apply is it water or what?

[@donaldasayers]

Spent a good part of my teaching career, teaching electronics and using ferric chloride to etch circuits; I hate the stuff.

[@Pyromonkey360]

would be cool to plate the etched parts with silver or something

[@DanielSMatthews]

Before you remove the etch mask you could try electroplating if you want another metal in those etched details.

[@theselectiveluddite]

Click on the link in the description; he uses a method called 'Silvering'' to coat it in a layer of silver :) Cheers

[@cycoholic]

Just thinking closed captions like Primitive Technology does on his videos would be good for these silent Clickspring videos. 👍❤

[@ClickspringClips]

Refer to link in description for source video for more details - Cheers :)

[@cycoholic]

Oh I know. It was just an idea. 😊

[@stevearehart313]

Excellent video as usual. A bit of verbal explanation per process on this one would be nice.

[@Bobs-Wrigles5555]

If you want the very detailed narrative go to the video link in the description, Chris has purposely changed the sound track to music for this "clips" channel

[@zsomborhollay930]

What is the reason for using IIII instead of IV? It always bugged me as a child and I still don't know the answer.

[@d00dEEE]

That's the original additive notation that the Romans used (IIII VIIII and so on). The subtractive notation (IV and IX) was a later notation developed by the Germans.

[@ZackC]

There’s also the aesthetics of how IIII more neatly balances visually against VIII than IV would.

[@raymondsanderson304]

Chris why IIII why not IV??

[@SeraphimKnight]

An iphone 3G?! Hot damn, that's pretty ancient now

[@nalinux]

Citric acid works as well as vinegar to clean copper, and doesn't smell. It also taste better IMHO :)

[@mpetersen6]

Vinegar works better on salads though.

[@TimoWestenfelder]

what kind of foil is that?

[@Zetex2000]

photoresist dry film

[@nalinux]

Photosensitive Dry Film

[@blahblahblahblah2933]

Riston is one brand (though there are several types).

[@ExcessiveModeration5]

Why is 4 represented as “IIII” not IV…I saw this on another clock once and thought it was a goof up

[@ianpendlebury3704]

Be very careful with Ferric Chloride. My Dad was a circuit board builder in the 1980's and he had major problems with my otherwise easy-going Mother concerning 'degradation' of the so-called stainless steel kitchen sink. This stuff is relentless in its staining capabilities. Just a heads up.....

[@X3ST3RIN]

3.32........

[@bulachesan]

Hello , what varnish are good with mirror finish brass ( keeping from darkening and oxidation in general)

[@ClickspringClips]

A general PU coating works ok, I have used this: www.bunnings.com.au/white-knight-500ml-rust-guard-clear-quick-dry-topcoat-paint_p1564192 - Cheers :)

[@bulachesan]

@@ClickspringClips thank you for our answer , help me a lot have to see if I find this in Europe Daniel