saidj...@aol.com wrote:
> That's kind of part of the scam in my opinion, we now create much
> more electronic trash in the name of removing miniscule amounts of
> environmentally unsafe lead from products..
> Forget about running your new Agilent counter for 25+ years like
> we use
> -Original Message-
> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
> Behalf Of saidj...@aol.com
> Sent: Thursday, September 24, 2009 4:38 PM
> To: time-nuts@febo.com
> Subject: Re: [time-nuts] RoHS Solder
>
> That's kind of part of the scam in my opinion, we n
It is amazing the loops we go though. I remember being involved in whiskers
about 40 years ago. the information I got then is that tin wgiskers only
grow from pure tin, I cant now remember the level of alloying that is
necessary to suppress the growth. The problem I had tuened out to be a
"lead"tre
That's kind of part of the scam in my opinion, we now create much more
electronic trash in the name of removing miniscule amounts of environmentally
unsafe lead from products..
Forget about running your new Agilent counter for 25+ years like we used to
be able to do...
Another part of the
Another article I will see if I can find it took a different
slant. Since it can take two to three years for a whisker to
grow enough to cause a short. It is a big plus for the
consumer industry. Finally a built in failure mechanism to
force the consumer to have to buy again, and again, and again.
Hi,
yes, tin whiskering is a huge issue. Wikipedia has some nice (and
shocking) pics on it.
One of the best sources of information is the Nasa Tin Whisker page:
_http://nepp.nasa.gov/whisker/_ (http://nepp.nasa.gov/whisker/)
bye,
Said
In a message dated 9/24/2009 06:15:04 Pacifi
Hi,
Not too sure bout the 7060, but the 7061 has the same problem, at least mine
did. I'm pretty certain the 7060 will be the same. I don't think it's a batch
problem, more a basic design flaw and environmental conditions. I first saw
this in the eary BBC B computers.
Robert G8RPI.
--- On Thu,
Hi all, I dont know whether it is pertinent but it may pay to collect dta on
this one as there are fairures reported in many makes of equipment. the
failing part in my kit has a datecode (??) of 8922F on the paper label on
the side. By my reckoning that would be week 22 of 1989, which ties in with
In a message dated 24/09/2009 02:34:35 GMT Daylight Time, saidj...@aol.com
writes:
since you are only concerned about a couple of sample units, I would not
be
too worried about the tin-whisker problem. Probability of failure is still
quite low for a single unit, even if massively highe
Interesting comments regarding. lead free solder. I was not aware of the tin
whisker problem. We went lead free here at work several years ago. I really
don't like the lead free solder we have to use on several accounts. As
mentioned, you don't get nice shiny joints. They look pretty much like cold
As there are a lot of LPRO units coming on the market from China. Does anyone
has a pdf service manual of the LPRO-101 .
I have allready the repair guide by PE1FBO .
Met vriendelijke groeten
Regards
ElectronicsAndBooks at Yahoo dot com
http://www.ElectronicsAndBooks.tk
___
In a message dated 24/09/2009 10:27:54 GMT Daylight Time,
phill...@btinternet.com writes:
Do you know if the Solartron 7060 (I think of the same vintage), has the
same problem ?
Hi Roy
Sorry, but I don't know.
I don't have any specific information on the 7060,
Nigel
Do you know if the Solartron 7060 (I think of the same vintage), has the
same problem ?
Roy
- Original Message -
From:
To:
Sent: Wednesday, September 23, 2009 10:49 PM
Subject: Re: [time-nuts] Solartron 7150plus DMM Failure
In a message dated 21/09/2009 21:53:35 GMT Daylig
Hi Magnus,
I was surprised to read that you had needed help to resolve the problem as,
not to over-inflate your ego, you seem to be very experienced and knowledgable.
So don't tease us - what was it?
TTFN,
Peter Vince (G8ZZR, London, England)
On Thu Sep 24 1:04 , Magnus
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