No you don't understand my approach. The print on the plastic film or direct on the PCB will protect the photo resist from the UV light. witch men that you can...
Drain cleaners like Red Devil or Crystal Drano are sodium hydroxide. It my have little metal shavings in it to make it fizz. Since I use it to strip negative...
Hi, I'm using an HP LaserJet 1300 set to "Dark" on 600dpi to print simple PCBs (10mil or greater widths). When I look at the masked areas under a microscope...
Red Devil no longer makes the 100% LYE crystals (THANK YOU METH HEADS) there is another brand called "ROOTO crystals of Household 100% LYE drain opener" this...
... OK Thanks, I did find some Crystal Drano, Had thought I had seen before some drain cleaner had Sodium Hydroxide but I had looked at the liquid type before...
The Rooto 1030 is carried by Ace Hardware Stores. It is listed as being 100% Sodium hydroxide. Maybe the Rooto will not have the metal pieces in it. Ben...
Hi Steve, I looked at fireballcnc, but it seems that there is no machine with even close parameters to the necessary for PCB. For DIY purposes they may be ...
Hi Mark, Thank you very much for the answer – that is what I was looking for. A friend of mine (who has old LPKF C60) recommended to me Accurate 360 ...
Hi Nick, I haven't used the green TRF but I understand it works well. It applies an additional coating that sticks to the toner and fills the 'little pinholes'...
Hi, This is my first post here so I hope this works J I also use TT and I have the same problem. It isn't a big thing for me because I also use UV technique...
... simple ... with ... etched ... very ... been ... note ... that ... Re-heat the PCB AFTER transfer to "re-flow" the toner and fill in the pinholes. -- ...
... the ... What temperature does this stuff melt at? I only ask ask we have a "range cooker" with a hot plate that runs about 250C - would that do? Not that...
The "green film" is identical to the old laser foil. It is a mylar film with a metalized fusible coating. Part of its success is just by remelting the toner...
Ben: Rooto is the brand that I use, and I bought it at Ace Hardware. Make sure that it is 100% Sodium Hydroxide (lye) and not the stuff that has aluminum...
... Toner melts at different temperatures depending on the type of the printer. Most melt around 300'F so your 250'C hot plate should do the trick, if only...
Hello Everyone, I am new to this forum and making PCBs for that matter. I know a little about electronics. I can read a schematic and solder a kit together for...
... Welcome from another newcomer. Browse around through some old messages and through the various files and links, and you'll soon gather quite a lot of...
... I should have added: the two parts of the process that have been least successful for me so far are aligning the top and bottom layers, and drilling the...
For this particular problem I recommend one-sided scissor cut boards. Etch each side separately. After you etch them, you can see through them to align them...
I live in US and design Schematics and PCBs especially high speed PCBs. I often have to design small two layer PCBs and it looks like I have landed at a good...
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