Spatial Practice - Webcam IR Mod Troubleshoot

Thinking that perhaps the portion of the old 35mm negative used to make the IR filter may be not as effective as a piece of unprocessed film, I once again took apart the webcam, replacing the old filter with the new one.

I reassembled it and plugged it in, the display showing its sensitivity to all light far more diminished, rather than just light below the IR spectrum. 

Being basically unusable in this state I disassembled it a third time and reassembled it with the first filter I'd made once again.

Grumble grumble, debugging is frustrating.