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Article #16136Re: Etchant types
From: John Schuch
Date: Thu, 21 Jan 1993 14:37
Date: Thu, 21 Jan 1993 14:37
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In article <1993Jan19.165044.24068@feline.uucp> gray@feline.uucp (Kelly Gray) writes: >In article <C0vrzx.77p@acsu.buffalo.edu> v064mb9k@ubvmsb.cc.buffalo.edu (NEIL GANDLER) writes: >> >> What are the advantages of Ferric Chloride vs. Ammonium Persulphate. > You might want to re-think using the immersion heater on the >persulphate etchant. If it's metal, there's a fair chance that the >etchant will attack the heater element too! > Use a glass aquarium style heater. John -- +--------------------------------------------------------------------------+ | John R. Schuch - Motorola Computer Group - Manufacturing Engineering | | N7XVS - schuch@phx.mcd.mot.com - (602) 438-3008 - CompuServe: 70733.3330 | +--------------------------------------------------------------------------+
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arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!howland.reston.ans.net!spool.mu.edu!uwm.edu!linac!att!mcdchg!mcdphx!schuchReferences:
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!howland.reston.ans.net!spool.mu.edu!uwm.edu!linac!att!mcdchg!mcdphx!schuch From: schuch@phx.mcd.mot.com (John Schuch) Subject: Re: Etchant types Message-ID: <1993Jan21.143749.26493@phx.mcd.mot.com> Sender: news@phx.mcd.mot.com Nntp-Posting-Host: bopper2.phx.mcd.mot.com Organization: Motorola Computer Group, Tempe, Az. References: <C0vrzx.77p@acsu.buffalo.edu> <1993Jan19.165044.24068@feline.uucp> Date: Thu, 21 Jan 1993 14:37:49 GMT Lines: 19