I've tried the Industrial Sharpies, including laying down multiple layers of ink, they wash off using ammonium persulphate at 100 to 120 degrees F. :( Denny On 12/08/2004 7:23:55 AM, homebrew_pcbs@yahoogroups.com wrote: > THIS pen! As mentioned in the FIRST post. > http://www.sharpie. > com/sanford/consumer/sharpie/productcatalog/tipfamilydetail. > jhtml?attributeId=SNATT40202&cu
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Re: [Homebrew_PCBs] Re: The Ultimate Etch-Resist Pen for Manual or Plotter Use
2004-12-08 by milwiron@terrorbydesign.com