User:Kim/Special Issue 27/uptime: Difference between revisions
< User:Kim | Special Issue 27
| Line 19: | Line 19: | ||
Circuit Board (fiber glass) | Circuit Board (fiber glass) | ||
|sand | |coastal + riverbed areas Worldwide <ref>on the biological impact of sand extraction and why it is scarcer than one might think https://www.greenfacts.org/en/sand-extraction/index.htm#1</ref> | ||
|mining | |mining | ||
|"Raspberry Pi LifeCycle: Materials", Iyesha Puri | |"Raspberry Pi LifeCycle: Materials", Iyesha Puri | ||
Revision as of 17:31, 24 May 2025
$ uptime
project description
Raspberry Pi
which model do we use?
Materials
| Material | Application
(on the raspberry pi) |
Source | Method of sourcing | Reference |
|---|---|---|---|---|
| Silicon Dioxide
(from Sand) |
Semiconductor chip (CPU + GPU)
Broadcom BCM2835 [1] + Circuit Board (fiber glass) |
coastal + riverbed areas Worldwide [2] | mining | "Raspberry Pi LifeCycle: Materials", Iyesha Puri
2016 [3] |
| Copper | Circuit Board (conductive pathways) | extraction / mining | ||
| Tin | Electrical Ports | |||
| Silver | ||||
| Palladium | ||||
| Gold |
- ↑ a crystal is grown from the purified silicon (silicon ingot). then cut into a "wafer", ultrathin layer which builds the basis for semiconductor chip
- ↑ on the biological impact of sand extraction and why it is scarcer than one might think https://www.greenfacts.org/en/sand-extraction/index.htm#1
- ↑ https://www.designlife-cycle.com/raspberry-pi