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Prying Eyes: Dissecting Google Glass

16 Jul 2013  | Scott Torborg, Star Simpson

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At this point we saw no obvious means for removing more plastic. We carefully prodded with spudgers and screwdrivers, but ultimately found an internal screw that was difficult to remove non-destructively. We applied force and leverage, cut a bit around the internal screw, and peeled back the outer shell. We then removed the now-exposed internal screw.


Google Glass internal screw


Side touchpad

Removing the casing exposed a few parts, including the separate touchpad module on the right side of the unit. When a Glass users looks like they are pensively tapping their temple, they are interacting with this sensor. The touchpad is a full custom module made by Synaptics, and is driven by a Synaptics T1320A touchpad controller.


Google Glass side touchpad


Main CPU board

The main logic board was now exposed. The inwards-facing side holds an RF module, some small connectors and support ICs, and copper noting that this is "a GOOGLE [X] production."


Google Glass CPU


This board was stuck to a thermal pad with lots of paste. After removing it and cleaning off the pink thermal compound, we revealed the core chips powering Glass: a TI OMAP4430, 16GB of SanDisk flash, and an Elpida mobile DRAM chip. A flex PCB and an RF cable, anchored with some metal tabs and a U.FL connector, trailed from this board to the behind-the-ear pod.

Some text in the copper on this board reads >9K! It's over 9000!


 Google Glass CPU


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