Today I received...

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stephen_usher
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Posts: 181
Joined: Tue Mar 11, 2014 8:00 pm

Today I received...

Postby stephen_usher » Fri Oct 04, 2019 6:00 pm

A pair of JS ROMs... stuck in normal expanded polystyrene (no foil), in a polythene bag... in a plastic "Jiffy" bag.

I wonder if the eBay seller could find anything more to generate static electricity to zap them. (A Van-der-Graf generator won't fit in the bag.)

Wish me luck!


stephen_usher
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Posts: 181
Joined: Tue Mar 11, 2014 8:00 pm

Re: Today I received...

Postby stephen_usher » Fri Oct 04, 2019 6:57 pm

Well, the ROMs work! But I now need a new keyboard membrane. Oh well.

Order placed with RWAP.


Silvester
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Joined: Thu Dec 12, 2013 10:14 am
Location: UK

Re: Today I received...

Postby Silvester » Tue Oct 08, 2019 1:09 pm

stephen_usher wrote:I wonder if the eBay seller could find anything more to generate static electricity to zap them. (A Van-der-Graf generator won't fit in the bag.)
!
:lol:

Some of the ICs I get from china are packaged the same. I guess the real problem only arises with a potential between the pins destroying (or worse still undermining) the MOS gate.

I used to work for BT, they did some investigations into IC static damage (scanning electron microscope photos). It proved it was possible to damage a chip sufficiently only for it to fail in service much later. The result was they told staff to treat ALL IC's regardless with static precautions.


I'm not plugged into the Matrix so my responses may be delayed.

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