Ron:
Let's separate the issues here.
Issue 1 -- Can an electronics product be manufactured without lead in
the solder? Absolutely.
Issue 2 -- Can all products be produced with lead-free solder? No.
Issue 3 -- What is the long-term reliability of assemblies subjected to
the high heat of the usual no-lead candidates? We don't know because
there's not enough data. Odds are the failure rates will rise, though.
Issue 4 -- Does replacing the lead do good things for the environment
(the reason we're supposed to be doing this in the first place)?
Apparently not.
I've heard the litany of Japan has (or is about to) eliminate lead. The
number of products produced with the new solders is small and the
primary objective was to gain backing from an uninformed public.
Am I the only one reading the postings here about the problems yet to be
overcome before lead-free is practical?
Jim Smith
Managing Director
Cambridge Management Sciences, Inc.
4285 45th St. S.
St. Petersburg, FL 33711-4431
Tel: (727)866-6502 ext. 21
Fax: (727)867-7890
eMail: [log in to unmask]
Ron Gedney wrote:
>
> At the risk of starting another controversy, it is hard to view lead
> elimination as not being feasible when a number of Japanese companies
> are shipping products without lead solder. And they all have time lines
> for full implementation of no lead. Whether their solutions will meet
> all of our (read U.S.) reliability requirements is unknown, but there
> certainly is an existence theorem. Neither Japan nor Europe is asking
> if it is desirable. Our technical opinions notwithstanding, certain
> Japanese companies are using it as a marketing advantage which the
> electronics industry can't ignore.
>
> -----Original Message-----
> From: Jim Smith [mailto:[log in to unmask]]
> Sent: Tuesday, November 07, 2000 1:18 PM
> To: [log in to unmask]
> Subject: Re: [LF] IPC Seeking Volunteers to Review Draft Timelines
> forLead-FreeElectronics
>
> Folks:
>
> Does anyone else find Mr. Jorgensen's proposal bizarre and
> unsatisfactory? The evidence now shows irrefutably that major scientific
> problems remain to be solved before elimination of lead from solder is
> possible or even environmentally desirable. Therefore, the only
> responsible stance for a body representing the interests of the
> electronics manufacturing sector at this time is "we can't do it now,
> there is no way of knowing when (or if) such a change will be feasible,
> and the environmental effects of any such change will be bad for society
> rather than beneficial. The IPC continues to tacitly acquiesce to an
> untenable and scientifically flawed position. This industry body can and
> must do better.
>
> Jim Smith
> Managing Director
> Cambridge Management Sciences, Inc.
> 4285 45th St. S.
> St. Petersburg, FL 33711-4431
> Tel: (727)866-6502 ext. 21
> Fax: (727)867-7890
> eMail: [log in to unmask]
>
> Christopher Jorgensen wrote:
> >
> > Dear Colleague,
> >
> > Based on industry demand, IPC has developed a working group to develop
> IPC Time Lines for the Elimination of Lead in Electronics. This group
> has written a draft time line document it would like to present to a
> larger audience for review and comment.
> >
> > If you would like to be considered as a part of this reviewing body,
> please contact Chris Jorgensen ([log in to unmask]) no later than Monday,
> November 13.
> >
> > Best regards,
> >
> > Chris
> >
> > Chris Jorgensen
> > IPC Printed Circuits Expo 2001 Conference Coordinator
> >
> > 2215 Sanders Rd
> > Northbrook, IL 60062-6135
> > -p- 847-790-5328
> > -f- 847-509-9798
> >
> > For more information on presenting at IPC Printed Circuits Expo 2001,
> visit www.ipcprintedcircuitexpo.org
> >
> >
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