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Article #9325Re: Halogen news (Re: Do Halogen lamps need ballasts?)
From: Blair P. Houghton
Date: Mon, 07 Jan 1991 01:07
Date: Mon, 07 Jan 1991 01:07
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In article <16120021@col.hp.com> dunphy@col.hp.com (Dan Dunphy) writes: >The decrease in tempeature caused a significant >tungsten deposit to form on the inside of the quartz envelope. [...] >I believe a dimmer defeats the halogen cycle. I would expect so, as the rate of deposition is proportional to the fourth power of the temperature; so, where the vaporous tungsten ends up would be very much affected by the power dissipation. --Blair "This holds true for the deposition of cats, too."
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!samsung!olivea!orc!inews!pima!bhoughto From: bhoughto@pima.intel.com (Blair P. Houghton) Newsgroups: sci.electronics Subject: Re: Halogen news (Re: Do Halogen lamps need ballasts?) Message-ID: <1634@inews.intel.com> Date: 7 Jan 91 01:07:38 GMT References: <FISH.90Nov28100429@his.gemed.com> <16120021@col.hp.com> Sender: news@inews.intel.com Organization: Intel Corp, Chandler, AZ Lines: 14