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PCB: Use of
halogen-free laminates |
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PCB: Use of halogen-free laminates
The material to be used for the
laminates of the PCBs that will take place in the underground areas has been
discussed some times in the "Cables and material working group". It is
recommended to use material without halogen for the electronics boards. Material
like FR-4 (or other material with halogen) should be banned. However, if no
other material exists for a given application or if the PCB manufacturer does
not offer any other alternative material without halogen at a reasonable cost, it is authorized,
for the LHC experiments, to use halogenated materials. In any cases, the
possibility to use 0-halogen material should be investigated.
When the production of a PCB is in the "Call to tender" phase it must be asked
to the possible manufacturers the option to have the PCB made of halogen-free
material and the cost influence of it. If there is no technical objection and if
the cost influence stays relatively acceptable the users should go for the
solution using halogen-free laminates.
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This page was last modified by
VB on
April 23, 2004.This
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