Differences

This shows you the differences between two versions of the page.

--- start [2013/04/22 02:44] – [SEM images] azonenberg
+++ start [2025/04/14 06:49] (current) – mcmaster
@@ Line 1: / Line 1: @@
 The Silicon Archive is a collection of practical integrated circuit and general electronics information.  Most of it is manifested as die shots.
+Enjoy this work? Consider [[https://www.patreon.com/JohnDMcMaster|supporting us on Patreon!]]
 ====== High resolution chip maps ======
-Linked from pages when available and can be found at: http://siliconpr0n.org/map/  Tiles were originally output at .jpg quality 75 but since upgrading pr0n disk space in early 2013 tiles should now uploaded at .jpg quality 90.
+As of 10/6/2014 there are 149.
-Upon request the original images can be found at: http://siliconpr0n.org/single/  These can also be reconstructed from the map tiles (most likely at some loss of quality) by running something like "montage -geometry +0+0 -tile 73x60 *.jpg out.png"
+Linked from pages when available and can be found at: [[http://siliconpr0n.org/map/|http://siliconpr0n.org/map/]] Tiles were originally output at .jpg quality 75 but since upgrading pr0n disk space in early 2013 tiles should now uploaded at .jpg quality 90.
+Original images used to generate tiles can be found interspersed with the tiles.  Sometimes these are not available for one reason or another but in any case can be reconstructed from the map tiles (most likely at some loss of quality) by running something like "montage -geometry +0+0 -tile 73×60 %%*%%.jpg out.png". The raw tiles can be found in "tiles_out" sub-directory
 Structure:
-  * First level contains vendor name (short forms like "ti" preferred over Texas Instruments)
-  * Second level contains chip name.  Ideally should have enough information to determine exact mask.  Ultimately an Archive wiki pages should link to the map to provide canonical details by showing a package or device image
-    * Chip name should match the wiki page name
-  * Next level should contain files of form <layer name>_<magnification> where
-    * layer name: short description of the area imaged.  For example: "top_metal", "m2", or "delayered_right"
-    * magnification: which objective was used.  See notes in "microscope objectives"
-Example: "ti/tl494a/top_metal_mit5x"
+    * First level contains vendor name (short forms like "ti" preferred over Texas Instruments)
-  * ti: most associated with Texas Instruments (either made by, designer, or simply the most prominent package markings)
+    * Second level contains chip name.  Ideally should have enough information to determine exact mask.  Ultimately an Archive wiki pages should link to the map to provide canonical details by showing a package or device image
-  * tlm494a: chip name including revision
+      * Chip name should match the wiki page name
-  * top_metal_mit5x: layer name and magnification
+    * Next level should contain files of form <layer name>_<magnification> where
+      * layer name: short description of the area imaged.  For example: "mz", "m2", or "delayered_right".
+      * magnification: which objective was used.  See notes in "microscope objectives"
+Example: "ti/tl494a/mz_mit5x"
+    * ti: most associated with Texas Instruments (either made by, designer, or simply the most prominent package markings)
+    * tlm494a: chip name including revision
+    * mz_mit5x: layer name and magnification
+====== FAQ ======
+Q: I want something imaged! How do I make that happen?
-====== Microscope objectives ======
+A: Consider sponsoring the site [[https://siliconpr0n.org/archive/doku.php?id=mcmaster:start#commissioning|by commissioning a chip project]]
-Objective abbreviations
+.
-  * bli20x: Bausch & Lomb industrial 20x (designed for streozoom series)
-  * ch2x: cheap supposedly Apo 2x objective that may be made of soda glass (green tinge...).  Loosely resembles Seiwa objectives
-  * mit5x: Mitutoyo M Plan Apo 5x
-  * mit10x: Mitutoyo M Plan Apo 10x
-  * mit20x: Mitutoyo M Plan Apo 20x
-  * mit100x: Mitutoyo M Plan Apo 100x
-  * neo5x: Olympus Neo 5x
-  * ns50x: Olympus Neo SPlan 50x
-  * ns50xu: Olympus Neo SPlan 50x ultra-long working distance (ULWD)
-NOTE: typically involves 10x relay lens to make actual magnification times 10.  For example, a Mit20x objective is used with a 10x relay lens to make the final image at 200x magnification on the CCD.  However, chip pages should specify net die size if actual size is important as sensor size has no relation to pixel size, especially in stitched images.
+Q: I already have images. Can I add them here?
+A: Yes! Please reach out via contact info at https://siliconpr0n.org/ We can create you an account or you can give it to us to import. You will need to [[new_contribution_request|supply the info here]]
-====== SEM images ======
+.
-azonenberg's standard is as follows: foo_20kV_2kx_3e-11a_15mm_ap4_se_01.jpg
+Q: Why use Dokuwiki and not Mediawiki?
-  * Sample "foo"
-  * 20kV accelerating voltage
-  * 2000x magnification
-  * 3e-11A probe current
-  * 15mm working distance
-  * Aperture #4 (actual size depends on the specific instrument in use)
-  * Secondary electron image (other legal values are "bse", "eds")
-  * Image number 1 of the set
-Some older images do not follow this standard exactly and will be renamed to the canonical form as time permits. All new SEM images should follow the standard naming convention.
+A: ACLs are required for certain projects that can't yet be made public. Dokuwiki supports this much better than Mediawiki which is either fully closed or fully open
-All images should be captured in a lossless form such as TIFF and converted to JPEG for web purposes. Lossless compression reduces artifacts and makes the images more friendly for machine vision, so the original files should be used for analysis when possible.