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crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Adam O'Camb
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| - | [* black] So, what has changed? First, the dome switch cover |
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| - | [* black] In the 2018 model, the cover membrane is semi-opaque and |
| - | [* black] To confirm that the materials are different, we analyzed them using Fourier Transform Infrared Spectroscopy (FTIR). |
| + | [* black] So, what has changed this year? First, the dome switch cover material. (Note- I would be happy if we swapped out the 2nd graph image with the picture of the CP instructor working on the device) |
| + | [* black] In the 2018 model, the cover membrane is semi-opaque, tacky, and feels like silicone. The new model uses a clear membrane that is clear and smooth to the touch. |
| + | [* black] To confirm that the materials are different, we analyzed them using Fourier Transform Infrared Spectroscopy (FTIR). Thanks to Cal Poly for letting us use their equipment! |
| [* black] FTIR spectroscopy works by shining light at a material and measuring how much light is absorbed and at what wavelengths. This data acts as a fingerprint for the material, allowing for identification | |
| [* black] The spectrographs (is this the right word??) for the two membranes show that they ''are'' different to each other! | |
| [* black] By comparing the spectrographs to known materials, we are guessing that the 2018 model uses _______ while the 2019 model uses ________ | |
| [* black] What does that mean? Insert analysis here. |