[volt-nuts] PCBs with ceramic substrates

[cheater00 cheater00]

What can account for this difference between your and my experience
and what Chuck said?

On Wed, Apr 12, 2017 at 1:11 PM, John Devereux <john at devereux.me.uk> wrote:
>
> Hi all
>
> Yes some industrial ceramics are very tough but the few I have
> encountered as substrates for electronics were delicate and
> brittle. ("Hybrid" circuits like pressure transducers or ceramic IC
> packages as below).
>
> John
>
> Mark Sims <holrum at hotmail.com> writes:
>
>> Not always..  A guy I worked with was pulling a ceramic 40 pin dip out
>> of a socket when it broke...  sliced his finger to the bone.  There
>> was initially some concern that it was a BeO ceramic.  Checking with
>> the manufacturer showed it was not.  I checked the socket afterwards,
>> and it seemed normal and had no problems releasing other chips.
>>
>> ----------------
>>
>>> You really have to work to break these things.
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>
> --
>
> John Devereux
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