| *=/STARRIDER\=* |
|
MAME Punk
|
|
|
|
|
Reged: 02/06/12
|
|
Posts: 335
|
|
Loc: an open field west of a white house with a boarded front door.
|
|
|
|
Send PM
|
|
|
CAPS0ff, 8751 close shave
#376416 - 05/26/18 01:04 AM
|
|
|
|
|
| gregf |
|
Ramtek's Trivia promoter
|
|
|
|
|
Reged: 09/21/03
|
|
Posts: 8611
|
|
Loc: southern CA, US
|
|
|
|
Send PM
|
|
|
Re: CAPS0ff, 8751 close shave
[Re: *=/STARRIDER\=*]
#376417 - 05/26/18 01:31 AM
|
|
|
Almost as suspenseful as a Grisham or Truman Capote novel and with a satisfying conclusion. 
Good to see successful outcomes still ongoing.
-
Even after this, dumps were very flaky. We got a few decent looking dumps but they started getting worse. We suspected bad pin connections and tried to clean up the chip a bit more. However, on closer inspection we noticed microfractures on the die:
So, it seems that we narrowly got this chip dumped before it stopped working. We could have potentially patched some of these up, but this would have gotten complicated quickly.
What happened? In the past we had pre-heated the chip / workholder for longer, but this time didn't wait quite as long. We suspect that the chip was cooled faster than expected, causing the microfractures. Suppose all is well that ends well, but a lesson for the future to be more conservative on these parts.
-
|
|
|
|
Previous 
Index 
Next 
Threaded 
CAPS0ff, 8751 close shave
Reply
[Re: 
