X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; bh=Ka/dI2/eekfqISwAiEPw5gaqhSMSCvs98Rg/GxnyPTw=; b=xXo5Ad8NJfiAV19B6Gt83lJYH/lOMYJQxdF0WyjJfs1zAyaBGkBxLHBtPa0Cv+PixB 8fTEAc/NzROIMMEqdzfS23mVx568UTsr1KMGWwgQM8bnc9oJ4w8YsPRgS79Xzp/yWpaB 5nmMacYX28eqXLWLSaNQAKWKsMxbdPM4shTLhB2OZI/m6FkfMtkLzDehka01y5vBbV3j /zUTM3/tdvRwTaZ7V3nXUj5475ZfVCnIyMVCEBs1hP2WfUolFtyP08ItJmXxrzivcxM8 qqWDystaddopGh6Q15mngeTqlzRCv0oyFDaeF/coCF7ao+78F31Hw/iZd/cn1VBmkNnP cMiQ== X-Received: by 10.180.10.101 with SMTP id h5mr12257941wib.27.1443121169922; Thu, 24 Sep 2015 11:59:29 -0700 (PDT) Date: Thu, 24 Sep 2015 20:59:25 +0200 From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" To: geda-user AT delorie DOT com Subject: Re: [geda-user] Off topic (UV printer) Message-Id: <20150924205925.7ec3b7aaf3fbde3ed5f24a9f@gmail.com> In-Reply-To: References: <20150924171517 DOT d86815c2ed405313f5767140 AT gmail DOT com> <56042E2C DOT 2020904 AT jump-ing DOT de> X-Mailer: Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > Good UV print quality requires a lens with a very short focal length. 1.5" > or less - Preferably less. If your going to > chemically process the board after exposure, you can get great resolution > with a solid state device somewhere in > the range of 1064 nanometers with a short focal length lense. In fact, > repeatable, high resolution detail is easily > achievable on a budget. > > If your not on a budget, a 30 to 50 watt fiber laser with a short focal > length lense can provide unparalleled resolution > without any post production work other than drilling (If you have the 50 > watt device you can also drill really clean holes). Thanks! Cheap laser printers are available everywhere so if I could print directly on the board then there would be one step less. I only make simple boards myself, the others are not worth the effort.