crwdns2933803:011crwdne2933803:0
crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
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crwdns2933807:0crwdne2933807:0
| - | [* black] A cast magnesium block holds all the optics and sensors, and is surprisingly hefty for an HMD. |
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| + | [* black] A cast magnesium block holds all the optics and sensors, and is surprisingly hefty for an HMD. The [guide|106064|VR|new_window=true] [guide|60612|headsets|new_window=true] we've taken apart all used lightweight plastic. |
| [* black] But metal makes a better heat sink, and the electronics and IR illumination (likely [https://en.wikipedia.org/wiki/Vertical-cavity_surface-emitting_laser|VCSEL|new_window=true] devices) all produce heat. | |
| [* black] That pink stuff is thermal paste to help dissipate the IR rangefinder's heat. | |
| - | [* black] Metal also offers a stiffer mounting place to keep the |
| - | [* black] But stiff isn't always best |
| + | [* black] Metal also offers a stiffer mounting place to keep the optics stable and focused after their rigorous calibration. |
| + | [* black] But stiff isn't always best—some of these components are mounted with foam adhesive, which will be more forgiving as things flex when heated. |