Chemical etching is more accessible for sure, but every part of the process kind of sucks. Getting a solid toner transfer, preparing the bath, keeping the bath warm /moving, evenly washing the board (and stopping at the right time), cleaning up the mess, drilling all the through-holes, and optionally tinning… It’s all labor-intensive and error-prone, and I’m honestly not sure if the results I got would ever have been good enough for modern digital circuits. Ymmv.
(If I did go back to chemical etching, I sure as hell wouldn’t use ferric chloride. I’d try one of those reagents you can actually see through!)
Chemical etching is more accessible for sure, but every part of the process kind of sucks. Getting a solid toner transfer, preparing the bath, keeping the bath warm /moving, evenly washing the board (and stopping at the right time), cleaning up the mess, drilling all the through-holes, and optionally tinning… It’s all labor-intensive and error-prone, and I’m honestly not sure if the results I got would ever have been good enough for modern digital circuits. Ymmv.
(If I did go back to chemical etching, I sure as hell wouldn’t use ferric chloride. I’d try one of those reagents you can actually see through!)