Home     Contact     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS     Terms of services     Privacy policy  
   
 Home      Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science   


<< Back to INDEX

How to «open» microchip and what's inside? [DIY]
posted May 23 2014 13:14.40 by spic0m




Microchips - are indeed can be considered a black box - as long as it's working you normally don't look inside.
But what if you want to?
Today Zeptobars guys will show how to "open" chips and what's inside.

WARNING! All operations with concentrated (and especially hot) acids are extremely dangerous. Only trained persons should work with them using required protective equipment (acid-prof gloves, protection glasses, protective suit, fume hood and more). Remember that you only have 2 eyes!
This article is for educational purposes only, do not try to repeat!.


Take some microchips of interest and add concentrated sulfuric acid. Container should be closed, but not airtight, so that fumes can escape (that is extremely important). Heat it to boiling temperature (300 °C). White substance at the bottom is baking soda - it's here to neutralize accidental spills and part of fumes.



After 30-40 minutes, acid "burns" plastic to carbon:



After it cools down, we can sort what is ready for next step and what needs another acid bath (thick, bulky packages usually need 2-3 rounds):




If pieces of carbon stuck to the microchip itself and cannot be removed mechanically, one can remove them in hot concentrated nitric acid (temperature is much lower, ~110-120 °C):


Visit Zeptobars site to see clickable color enhanced images of the chips (beware of 5-25Mb JPEG's).

[Link: Zeptobars]
 
Share



You might also like...


Send Text Message with Smartphone to Arduino [Project]

Make fire with just a pencil (and a transformer and 220V) [Lifehack]

Homer Simpson's electric hammer replica works!

CRAZY Dancing Disco Lights made simple [Project]

Raspberry Pi internal hardware random number generator [Project]

Attiny 2313 V-USB Media Volume Control [Project]

blueShift - An OpenXC LED Tachometer [Project]

GPS - GPRS Tracker for Vehicles using Arduino [Project]


<< Back to INDEX



Comments

  Name

  Email (shall not be published)

  Website

Notify me of new posts via email


Write your comments below:
BEFORE you post a comment:You are welcome to comment for corrections and suggestions on this page. But if you have questions please use the forum instead to post it. Thank you.


      

No comment yet...

Be the first to comment on this page!












 Contact     Forum     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS   

Site design: Giorgos Lazaridis
© Copyright 2008
Please read the Terms of services and the Privacy policy