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August 1999

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Subject:
From:
Jin Ho Lee <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 13 Aug 1999 10:22:01 +0900
Content-Type:
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 Does anyone out there help me regarding hot oil reflow for
   Back Plane Boards.
   We are currently using PEG 600 as reflow  oil because its
   price is about half of Dexter's AF 1882 and   in Korea we
   can buy easily PEG 600 with $ 6.32 on market.
   Does anyone provide me of actual running  cost between
   PEG 600 and AF 1882 or equivalent.
   Normally how long,I mean bath life, we can use PEG 600
   prior to decomposition which cause quality problem.
   Dexter also no mention about  bath life on their technical
   brochure.
   We don't use any antioxidant but if used,how much we can
   extend bath life.
   Could anyone give me the information about  antioxidant ?
   During production we have encountered quality problem
   which is short between tracks and it was turned out due
   to carbonized contaminant.
   Does anyone have same experience like us ?

   Jin-Ho Lee
   R & D Director
   Daeduck/KOREA
   Tel : + 82-345-481-8191
   Fax:  +82-345-481-8246
  email: [log in to unmask]
   TeE lEEINThanks in advance

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