File:Intel Celeron 500MHz Mendocino SL3LQ (JPG).jpg
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English: This chip has been a long time coming. When I originally tried opening it and scraping away at it like a traditional Intel chip I was greeted with this: flic.kr/p/2kx95ss
From past experience I know that when you see that kind of structure it is game over and it cannot be removed via the razor method without destroying the chip. So, I bought an ultrasonic cleaner, ferric chloride and glass etching paste and after experimenting of some sacrificial chips I dunked this one into the ferric chloride. After several rounds a lot of material had been removed but there were some metal layers which were not budging. After discussing with Martijn Boer, it seemed like I should be able to use the glass etching paste to attack the silicon layer underneath this metal layer. I placed the chip into a beaker with some water and dissolved some paste in it and let it run for about an hour in the ultra sonic cleaner. This is the result, I may have gone a bit too long on this since unlike ferric chloride, glass etching paste attacks the silicon, which happens to be what the layer we are interested in is made of >:(. As you can see it started to eat too deep into some spots on the chip. This chip is HUGE, so I had to get funky with how I captured it. Similar to the memory controller I posted previously, I switched my camera's grid to 6x4 which means I pan a greater distance in the x axis every time I switch to a new column. Still had lots of warping which was corrected in Photoshop using a tool called "perspective crop" which worked wonders. Die Size: (W) 14.79mm x (L) 10.35mm Camera: SONY A6000 Number of Images: 240 Panorama Y Axis: 16 Images Panorama X Axis: 15 Images ISO: 100 Shutter Speed: 1.3" Light Source: Led on side of objective DIC: No Overlap: ? (Not sure, I changed grid to 6x4) Microscope Objective: 5X Microscope Eyepiece: DSLR Mount Grid Used: 6x4 (Panning Movement Aid) Capture Motion: ZigZag Stitching Software: Microsoft ICE Other Software: Photoshop for de-skewing, GIMP for scaling Image Type: JPG, (had to reduce resolution to 30K on the largest axis because flickr kept crashing on upload. Original was roughly 44.7K) |
| Date | |
| Source | https://www.flickr.com/photos/187597251@N05/50892713737/ |
| Author | cole8888 |
Licensing
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This image was originally posted to Flickr by cole8888 at https://flickr.com/photos/187597251@N05/50892713737. It was reviewed on 30 December 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 14:41, 30 December 2023 | | 30,000 × 20,962 (190.58 MB) | Elmepi (talk | contribs) | Uploaded a work by cole8888 from https://www.flickr.com/photos/187597251@N05/50892713737/ with UploadWizard |
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