Many a true word spoken in jest!
Brian
joyce wrote:
> Brian,
> My take is: it is time for ceramics...MCM with connectors mount on metal
> fixture with dielectric... Just (not really) kidding...
>
> jk
>
>
>>-----Original Message-----
>>From: TechNet [mailto:[log in to unmask]] On Behalf Of
>>Brian Ellis
>>Sent: Thursday, August 21, 2003 7:15 AM
>>To: [log in to unmask]
>>Subject: [TN] WEEE/RoHS clarification required
>>
>>
>>I've just received the August IPC Review.
>>
>>On p. 6, there is an article, "Lead Time on Lead Free
>>Dwindles". This re-states the deadline of 1 July 2006 for
>>total lead-free soldering for products sold in Europe
>>(ignoring the few named exceptions).
>>
>>On p. 4, there is an article, "IPC Quells Flames of
>>Halogen-Free Issue", which claims, after study, that there is
>>no reason not to use halogenated flame retardants, such as TBBPA.
>>
>>It is my understanding that the same EU directives require all
>>laminates and plastics in electronics assemblies to use
>>non-halogenated flame retardants, presumably from the same
>>date (I have not checked this in the actual directives).
>>
>>Does this not reveal an extremely dichotomous polity on the
>>part of the IPC? On the one hand, the IPC has gone
>>hell-for-leather towards the lead-free goal, without an ounce
>>of proven scientific reason. On the other hand, the IPC is
>>opposing the halogen-free part of the same EU legislation,
>>despite the fact that emissions of incinerated
>>halogen-containing laminates may contain some highly hazardous
>>and polluting substances, as shown by scientific studies. At
>>the same time, it may lull exporters to the EU and members
>>within the EU into a false sense of security into thinking
>>that brominated flame retardants are here to stay, rather than
>>be mandatorily substituted within a few years.
>>
>>I need clarification on this paradoxical dichotomy.
>>
>>Brian
>>
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>
>
>
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