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intro_optical_sensor [2026/02/04 17:25] – louiseintro_optical_sensor [2026/03/16 13:23] (current) – louise
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 ## System Definition - Goal and scope ## System Definition - Goal and scope
- 
 ### Definition ### Definition
  
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 #### What is it used for? #### What is it used for?
  
-They are used in phones, cars, laptops, tablets, industrial/medical systems, security cameras, etc.+They are used in phones, cars, laptops, tablets, industrial/medical systems, security cameras, cars and other vehicles, etc.
  
 #### Are there different types/technologies? #### Are there different types/technologies?
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 * Charge-coupled device (CCD) * Charge-coupled device (CCD)
 * Active-pixel sensor (CMOS sensor) -> cheaper, low electricity consumption. They are more used in modern cameras. * Active-pixel sensor (CMOS sensor) -> cheaper, low electricity consumption. They are more used in modern cameras.
 +* IR sensor (for night vision)
  
 CDDs' characteristics: CDDs' characteristics:
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 * Cover glass * Cover glass
 * Contact pads * Contact pads
 +
 +Sources :
 +
 +* [Blog post - Thinklucid](https://thinklucid.com/tech-briefs/understanding-digital-image-sensors/)
 +* [Blog post - Ansys](https://www.ansys.com/simulation-topics/what-is-cmos-image-sensor)
  
  
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 #### Is there mining processes information available? #### Is there mining processes information available?
 TBC TBC
- 
 ### Manufacturing ### Manufacturing
 => Goal: List the technical information needed for the LCI. => Goal: List the technical information needed for the LCI.
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 #### How the “main” manufacturers can be characterized: by the number of components manufactured, the market share (€), other? #### How the “main” manufacturers can be characterized: by the number of components manufactured, the market share (€), other?
 TBC TBC
 +
 #### Who are the main manufacturers? Where are they located? #### Who are the main manufacturers? Where are they located?
-TBC+ 
 +* Sony corporation (Japan, Integrated Device Manufacturer (IDM)) 
 +* Samsung Electronics (South Korea, IDM) 
 +* OmniVision Technologies (US, fabless) 
 +* onsemi (US, IDM) 
 +* STMicroelectronics (CH, IDM) 
 + 
 +[Source](https://www.marketsandmarkets.com/ResearchInsight/image-sensor-semiconductor-market.asp#:~:text=Major%20Image%20Sensors%20companies%20include,Components%20Industries%2C%20LLC%20(US) 
 + 
  
 ### Distribution and packaging ### Distribution and packaging
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 TBC TBC
 ### What are the known hotspots? Which raw material? Which life stage? ### What are the known hotspots? Which raw material? Which life stage?
-TBC+ 
 +* CCD / CMOS 
 +* Mono / color sensor 
 +* Resolution → sensor size 
 +* Pixel size → sensor size 
 + 
 ### What are the potential parameters affecting environmental impacts? ### What are the potential parameters affecting environmental impacts?
 TBC TBC
intro_optical_sensor.1770222320.txt.gz · Last modified: by louise