Differences

This shows you the differences between two versions of the page.

--- intro_optical_sensor [2026/02/04 17:36] – [Manufacturing] louise
+++ intro_optical_sensor [2026/03/16 13:23] (current) – louise
@@ Line 2: / Line 2: @@
 ## System Definition - Goal and scope
 ### Definition
@@ Line 10: / Line 9: @@
 #### 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?
@@ Line 18: / Line 17: @@
 * Charge-coupled device (CCD)
 * Active-pixel sensor (CMOS sensor) -> cheaper, low electricity consumption. They are more used in modern cameras.
+* IR sensor (for night vision)
 CDDs' characteristics:
@@ Line 52: / Line 52: @@
 * Cover glass
 * 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)
@@ Line 104: / Line 109: @@
 #### Who are the main manufacturers? Where are they located?
-* Sony corporation (Japan)
+* Sony corporation (Japan, Integrated Device Manufacturer (IDM))
-* Samsung Electronics (South Korea)
+* Samsung Electronics (South Korea, IDM)
-* OmniVision Technologies (US)
+* OmniVision Technologies (US, fabless)
-* onsemi (US)
+* onsemi (US, IDM)
-* STMicroelectronics (CH)
+* 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
@@ Line 166: / Line 173: @@
 TBC
 ### 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?
 TBC