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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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 Posted: Sat Sep 05, 2009 8:06 pm Post subject: 8080A CS |
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Well the Intel 8080A kit turned up and yep, the antistatic foam had formed a gooey mess on all the legs.....but after some careful work first cutting the foam around the 8080A, then soaking in acetone (causes the foam to expand, soften and break up), then carefully brushing each leg with hydrochloric acid for about an hour, I've brought it back to life.
I wasn't sure how the legs would go, but all are intact and only 1 is bent. I'm not willing to risk bending it back in place for fear of breaking the leg.
Now I am happy  |
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Sat Sep 05, 2009 8:52 pm Post subject: |
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VERRRRY nice 8080 cs.
Way to go, and enjoy it
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"The only reason for time is so that everything doesn't happen at once." A.E. |
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magictom
Joined: 14 May 2009
Posts: 2281
Location: Hawaii
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| Posted: Sat Sep 05, 2009 8:56 pm Post subject: |
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| Wow, very nice indeed. Do you have a photo of it before you started the cleaning? |
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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jrmunro
Joined: 01 Feb 2003
Posts: 3149
Location: Vancouver, Canada
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| Posted: Sat Sep 05, 2009 10:25 pm Post subject: |
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| Very nice restoration of this nice chip. |
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Sat Sep 05, 2009 11:01 pm Post subject: |
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I didn't take a before shot, but it wasn't pretty. I'll take a photo of one the EPROMs in the same pack, which will show how the pins were
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My former Intel collection:
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Chiefish
Joined: 23 Sep 2007
Posts: 2153
Location: Northwest N.J. U.S.A
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| Posted: Sun Sep 06, 2009 8:22 am Post subject: |
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And please keep me in mind with those EProms < As you know I love em. 
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"The only reason for time is so that everything doesn't happen at once." A.E. |
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wepwawet
Joined: 18 Mar 2004
Posts: 3019
Location: Seligenstadt - Germany
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| Posted: Sun Sep 06, 2009 11:10 am Post subject: |
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Congratulations! It seems you really got the best sample:-)
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You may use the photos I have posted here under CC BY-NC-SA license. |
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Vlasta
Joined: 15 May 2012
Posts: 2565
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| Posted: Thu Sep 29, 2016 10:30 pm Post subject: |
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If the chip is plastic then soaking in acetone would be a no no?
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best rgds.
Steve |
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Thu Sep 29, 2016 10:34 pm Post subject: |
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Think you'd have to test on a small part to see (or another of the same type of plastic). Never tried it on plastic cpus
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aberco
Joined: 05 Sep 2013
Posts: 2655
Location: Paris France
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| Posted: Thu Sep 29, 2016 10:52 pm Post subject: |
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| it's epoxy resin, should survive acetone without problem |
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Vlasta
Joined: 15 May 2012
Posts: 2565
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| Posted: Thu Sep 29, 2016 10:53 pm Post subject: |
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How about the print?
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best rgds.
Steve |
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aberco
Joined: 05 Sep 2013
Posts: 2655
Location: Paris France
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| Posted: Thu Sep 29, 2016 11:37 pm Post subject: |
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| the print is another story, I would certainly avoid to rub on it! |
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