Electronics Forum | Tue May 16 15:53:09 EDT 2006 | Manvendra Verma
What is the solution for removing epoxy on BGA ics?
Electronics Forum | Fri Jun 02 22:46:21 EDT 2006 | mika
Is this the new Xbox 360 You are talking about? So the "modchip" doesn't work? Hmm... Can You please tell us what the purpose of the dissolution of the epoxy on the BGA You would like to do? /
Electronics Forum | Sun May 21 09:38:25 EDT 2006 | davef
Epoxy Removal and IC Delidding [Hardware Hacking: Have Fun While Voiding Your Warranty, Chapter 14] Encapsulation of critical components using epoxy or other adhesives is commonly done to prevent tampering and device access (the microprocessor shown
Electronics Forum | Wed Feb 26 21:21:34 EST 2003 | davef
Try this: * Lay the board onto a solder pot with the via in question on the heat. * Push the wire into the via. * Step back and pat yourself on the back. Since you probably have components in the area of the via that you don't want to cook, try a va
Electronics Forum | Thu Feb 26 10:33:01 EST 2015 | emeto
Take a look at articles that explain underfill process and how to remove/rework underfill: http://www.finetechusa.com/rework/applications/underfill-rework.html http://www.circuitnet.com/experts/86535.shtml
Electronics Forum | Thu Feb 26 13:29:36 EST 2015 | swiese242
Use the appropriate heat for that part. You can then use techspray flux remover with a brush. Spray the brush, and not the board, to reduce spreading the flux. Acetone or alcohol are less expensive and may work as well.
Electronics Forum | Tue Mar 24 22:03:39 EDT 2015 | davef
Here's some notes from IPC APEX 2015: * Black underfill is Heraeus. It needs to be preheated to 180-200*C for rework. Above 200*C it changes state and becomes difficult. * Clear underfill is from an unknown Korean supplier. * People from Heraeus w
Electronics Forum | Wed Mar 25 03:27:13 EDT 2015 | slave2anubis
Hi davef, thank you for sharing this. Yes all manufacturers recommend their products, and i dont deny that they are good but for a small shop like i have i think the prices are a bit high. What i think would be a good technique, is heating the area t
Electronics Forum | Sun Feb 22 15:46:09 EST 2015 | slave2anubis
Hi, my name is Dacian, and i run a mobile phone repair shop in Timisoara, Romania. Lately we decided to do more advance motherboard repair jobs, and a big problem that we have is, cleaning the board after we remove the chips. We repair manly iPhone,
