{"id":432,"date":"2015-02-18T00:17:46","date_gmt":"2015-02-18T00:17:46","guid":{"rendered":"http:\/\/itp.fromjia.com\/?p=432"},"modified":"2015-02-18T03:41:43","modified_gmt":"2015-02-18T03:41:43","slug":"circuit-board-etching-acid-vs-vinegar","status":"publish","type":"post","link":"http:\/\/itp.fromjia.com\/?p=432","title":{"rendered":"Circuit board etching: acid vs. vinegar"},"content":{"rendered":"

Last week we etched circuit boards in Circuit Design class. We had the choice of etching with acid or vinegar. My partner, Danara, chose acid while I tried with vinegar. Here’s what happened.\u00a0The star design is Danara’s.<\/p>\n

\"Printed<\/a>

Printed our designs onto blue paper to be transferred onto the copper.<\/p><\/div>\n

\"IMG_4680\"<\/a><\/p>\n

\"IMG_4681\"<\/a>

Soaking in water.<\/p><\/div>\n

 <\/p>\n

\"IMG_4685<\/a>

Danara’s board in acid. Mine in vinegar, with a dash of salt.<\/p><\/div>\n

\"IMG_4692\"<\/a>

Danara’s board looked great, especially after it was tinted. Mine didn’t come out so well. womp womp<\/p><\/div>\n

Vinegar took a lot longer. Because we had a couple of boards using the same container of vinegar, the residue from one board would float onto another board. Danara had her own container of acid, which did a super clean job. I may try again with vinegar, one day. For now, I’ll do over\u00a0with acid.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Last week we etched circuit boards in Circuit Design class. We had the choice of etching with acid or vinegar. My partner, Danara, chose acid while I tried with vinegar. Here’s what happened.\u00a0The star design is Danara’s.   Vinegar took a lot longer. Because we had a couple of boards using the same container of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-432","post","type-post","status-publish","format-standard","hentry","category-circuit-design-and-prototype"],"_links":{"self":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=432"}],"version-history":[{"count":3,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/432\/revisions"}],"predecessor-version":[{"id":445,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/432\/revisions\/445"}],"wp:attachment":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=432"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}