X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Message-ID: <54CCFB3D.2080306@think-open.at> Date: Sat, 31 Jan 2015 16:56:45 +0100 From: Bernhard Kraft User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: geda-user AT delorie DOT com References: In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam_score: -2.9 X-Spam_score_int: -28 X-Spam_bar: -- X-Spam_report: Spam detection software, running on the system "think-open.at", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Reply-To: geda-user AT delorie DOT com Content preview: Hi, On 2015-01-31 15:40, Jason White wrote: > That might be convenient, but I think it could be a bit of a "trap" so > to speak. If you have large currents flowing from the re-flooded > "hole" in the copper pour, you may not realize that their is an > electrically poor connection (a single via) to the actual plane. [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP 0.0 TVD_RCVD_IP Message was received from an IP address -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-SA-Exim-Connect-IP: 89.104.9.138 X-SA-Exim-Mail-From: kraftb AT think-open DOT at X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on think-open.at X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_20, TVD_RCVD_IP autolearn=unavailable version=3.3.2 Subject: Re: [geda-user] Re: Ground Plane Behavior? X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mail.think-open.at) Hi, On 2015-01-31 15:40, Jason White wrote: > That might be convenient, but I think it could be a bit of a "trap" so > to speak. If you have large currents flowing from the re-flooded > "hole" in the copper pour, you may not realize that their is an > electrically poor connection (a single via) to the actual plane. True. Thats something I didn't think of. In such a situation I would place quite a few vias next to each other to allows the required amount of current. But if one doesn't take care about this he could surely burn a via. greetings, Bernhard -- Wer nicht gelegentlich auch einmal kausalwidrige Dinge zu denken vermag, wird seine Wissenschaft nie um eine neue Idee bereichern können. Max Planck (1858-1947)