Differences

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

--- felinefriendly:bosch:b57828 [2018/07/27 21:35] – [Description] e30tuner
+++ felinefriendly:bosch:b57828 [2018/11/21 21:34] (current) – [Die - Failed Decap Attempt] e30tuner
@@ Line 24: / Line 24: @@
 ====== Die ======
+<code>
+Decap Steps:
+Grind bottom side of package with 60 & 240 grit sandpaper until die is exposed
+Grind top side of package until ~0.5mm remains above die
+Use precision diagonal cutters to fracture remaining packaging off of die
+Use CA glue to bond die to glass slide (the "glob top" material is still present at this stage)
+Use optical swabs and IPA to scrub "glob top" coating off
+Rinse with IPA
+Clean with fine polishing cloth and IPA
+Polish with fine polishing cloth and 0.5 micron polycrystalline diamond suspension
+Capture Details:
+Imaging device: Keyence VHX-2000
+Magnification: 500X
+Markings:
+SIEMENS 1986
+©Intel 80
+M230-F-4
+</code>
+Imaged using normal / center lighting:
+{{:felinefriendly:bosch:b57828:s700_die_normallight_500x_small.jpg?400|}}
+//Note: This is a ~16X downsampled version of the original image. A full resolution version (68MB) can be provided. On the to-do list…//
+Imaged using edge lighting, for enhanced shadow contrast:
+{{:felinefriendly:bosch:b57828:s700_die_edgelight_500x_small.jpg?400|}}
+//Note: This is a ~16X downsampled version of the original image. A full resolution version (102MB) can be provided. On the to-do list…//
+====== Die - Failed Decap Attempt ======
 <code>
@@ Line 41: / Line 77: @@
 {{:felinefriendly:bosch:b57828:s700_die_broken_200x.jpg?400|}}
-//Note: The die was badly damaged during decapsulation. A future effort at doing this chemically is on the to-do list.//