Here we are with a etching acid resist applied to the PCB: Next step….. EtchingSimply stated, the etching process needs to remove any copper that is not protected by the resist applied during the previous steps. Copper is very reactive to acids. Traditionally the primary chemical used for PCB manufacturing was Ferric Chloride (FeCl3). I have a “stash” of this stuff from the 1980’s. It works well, but I’ve noticed that it is fairly expensive now ($8/pint, po...
So now I have an image mask and a copper plated panel with a layer of dried photo resist. Next up is to get the image onto the copper by exposing it to the proper light. The LightDifferent brands/types of photo resist require different wavelengths or colors of light to activate. I don’t know of any that do not require Ultra Violet (UV) light. Withing the UV spectrum are several “bands” of color, most notably are the UV-A and UV-B bands. UV-A is the spectrum the resist ...
This is where the path forks in many directions. There are plenty of ways/materials to use here so don’t be afraid to look! Especially check out the ‘Alternatives’ at the end. I use a suspicious blue goo from some anonymous Ebay Chinese source. It works well and is inexpensive compared to other methods. Only down side is the 3-4 weeks it takes for delivery. The ResistNegative photo resist is a paint applied to the bare copper surface on the panel. Wherever the resist ...
Welcome back! Please post a comment if there is anything you want clarified or if you have any questions/comments.At the end of the following posts on the actual process, I’ll add a section on alternative methods/materials where appropriate. I also will try to include links to material sources and further info on techniques. Hopefully these links will stay around! The whole process begins with the image you want etched into the copper. This image can be most anything! The restr...
I’ll give the entire process a quick summary here an then show the details with an actual project. Be aware that there are plenty of ways to accomplish this process, do a web search on “making PC boards” or something similar. I’ve used a number of methods when I was young. Most worked ok, but mostly they had the benefit of being cheap! The Resist: To etch copper with a pattern, you want some method of keeping the etchant away from the areas you don’t ...
I’ve been meaning to do this tutorial for some time now, so let it begin…. Etched panels add another dimension to woodworking projects. The great thing is you can create a panel with most any image, no “talent” required. Some examples of copper. The first image has the copper cleaned and then protected with lacquer, the next two have a patina applied before sealing. You can use most any material, if you can find a way to etch it. Metals are a no-br...
Okay, my friend Rob from Robbshop sent me this beautiful and amazing Cigar Smoking Station after I sent him my first good Invisio-Hinge box. He jokingly said in the comments section that if I didn’t know what to do with the box that I knew where I could send it, so I did, but now he makes me this absolutely stunning smoking station. I am always amazed at the quality of workmanship he puts out, but this is really special. Rob is one of those rare woodworkers who has that gift for j...
In this blog I am going to give you a how to on my metallic finish of copper patina and rust application on wood As you can see I started with a small vessel that has been hollowed. This vessel is about 5 inches in heigh. I only want to rust the top as I am going to copper patina the base. The rust paint is a paint from Michaels which is a hobby store here in the USA. The paint is very thick and contains metal flake. It is put on very heavy and allowed to dry. Here I have applied...
As woodworkers we also need to cut metal once in a while. Also, having the ability to cut metal will allow us to create custom handles as I have on past projects. The question is how do we get a clean cut? Hacksaw? Reciprocating saw? Nope – portaband is the answer. The portaband is a powerful, smooth cutting portable bandsaw and a tool that I recommend for any custom woodworkding shop. Hope you enjoy! Your friend in the shop- Todd A. Clippinger Share the Love~Share ...
I build wood geared clocks and have been thinking about making the gears looks a little more metal like with maybe some bronze and copper powders in a stain. Has anyone done this before and how did it turn out? I do not want the gears to be bright metal colored just have a hint of aged bronze look to them. I found another clock maker in Russia but the translation is completely lost between responses. The video of his clock can be seen here http://www.youtube.com/watch?v=zrF70MW7c1c It...
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