pcbetching
Differences
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pcbetching [2015-10-23 23:58] – [Equipment] switch from onecall link miek | pcbetching [2019-11-10 17:38] – mike | ||
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===== Equipment ==== | ===== Equipment ==== | ||
* [[http:// | * [[http:// | ||
- | * [[http:// | + | * <del>[[http:// |
* [[http:// | * [[http:// | ||
* [[http:// | * [[http:// | ||
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Place the printed design toner side up in the UV exposure box, peel off the protective cover from the PCB laminate and place it copper side down over your design. | Place the printed design toner side up in the UV exposure box, peel off the protective cover from the PCB laminate and place it copper side down over your design. | ||
- | Close the box and expose for ~10 minutes. After exposure the design | + | Close the box and expose for ~2.5 minutes. After exposure the design |
==== Developing ==== | ==== Developing ==== | ||
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This step removes any photoresist that has been exposed to UV light in the previous step. | This step removes any photoresist that has been exposed to UV light in the previous step. | ||
- | Place your PCB in the ' | + | Immerse the PCB in a solution of the developer |
- | + | ||
- | Once developed, your design should | + | |
==== Etching ==== | ==== Etching ==== | ||
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Plug in and turn on the etch tank, give it some time to warm up. | Plug in and turn on the etch tank, give it some time to warm up. | ||
- | Put your PCB in it, it takes somewhere around | + | Put your PCB in it, it takes somewhere around |
+ | |||
+ | After a short dip in the etchant, all copper to be removed should turn a dull pink. If not, the PCB is either under-exposed or under-developed. You can try rinsing the PCB with plenty of water and returning to the develop step for 10-20 seconds, before continuing with etching. | ||
Once etched, remove the board and rinse with lots of water before touching the board. | Once etched, remove the board and rinse with lots of water before touching the board. |
pcbetching.txt · Last modified: 2022-07-22 22:12 by MirZa