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正翻译步骤 11

步骤 11
A cast magnesium block holds all the optics and sensors, and is surprisingly hefty for an HMD. The VR headsets we've taken apart all used lightweight plastic. But metal makes a better heat sink, and the electronics and IR illumination (likely VCSEL devices) all produce heat.
  • A cast magnesium block holds all the optics and sensors, and is surprisingly hefty for an HMD. The VR headsets we've taken apart all used lightweight plastic.

  • But metal makes a better heat sink, and the electronics and IR illumination (likely VCSEL devices) all produce heat.

  • That pink stuff is a thermal pad to help transfer the IR rangefinder's heat into the aluminum frame.

  • Metal also offers a stiffer mounting place to keep the optics stable and focused after their rigorous calibration.

  • 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.

一个铸造的镁合金块承受了所有的光学部件和传感器,对于一个头戴式显示器(HMD)而言这有些出人意料的重。我们拆解过的所有 VR 头戴设备都使用了轻便的塑料。

但是金属可以带来更好的散热,电子设备和红外 LED (比如 VCSEL 设备)都会产生热量。

粉色的东西是用来帮助红外测距仪更好的散发热量的。

金属也提供了更坚固的安装位置让光学组件在严格的校准后保持稳定。

但是坚固并不总是好的——有些部件由泡沫胶固定,在部件被加热时弯曲时会更加宽松。

[* 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 a thermal pastepad to help dissipatetransfer the IR rangefinder's heatheat into the aluminum frame.
[* black] That pink stuff is a thermal pastepad to help dissipatetransfer the IR rangefinder's heatheat into the aluminum frame.
[* 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.

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