Exmor
Exmor is the name of a technology Sony implemented on some of their CMOS image sensors. It performs on-chip analog/digital signal conversion and two-step noise reduction in parallel on each column of the CMOS sensor.
Exmor RS is the world's first stacked CMOS image sensor and was announced by Sony on 20 August 2012.[1] Subsequently, Sony announced the first 3-layer stacked CMOS sensor, which added DRAM cell array in the middle.Cite error: A <ref> tag is missing the closing </ref> (see the help page).
On May 14, 2020, the Intelligent Vision Sensor was announced with an introduction that reads: "the first image sensor in the world to be equipped with AI processing functionality". The new sensor distinguishes itself from the previous Exmor RS sensors by an AI processor and a memory storing the AI models, included in a stacked logic layer for the real-time image analysis and instant extraction of metadata from a raw image. In the release, only model numbers were identified and it was not confirmed whether the sensor bears a different name.[2]
Versions
Exmor R is a back-illuminated version of Sony's CMOS image sensor.[3] Exmor R was announced by Sony on 11 June 2008 and was the world's first mass-produced implementation of the back-illuminated sensor technology.[4] Sony claims that Exmor R is approximately twice as sensitive as a normal front illuminated sensor.
This active pixel sensor is found in several Sony mobile phones and cameras as well as Apple's iPhone 4s and 5.[5][6] Originally, Exmor R was limited to smaller sensors for camcorders, compact cameras and mobile phones, but the Sony ILCE-7RM2 full-frame camera introduced on the 10 June 2015 features an Exmor R sensor as well.
Exmor RS is the world's first stacked CMOS image sensor and was announced by Sony on 20 August 2012.[7] Subsequently, Sony announced the first 3-layer stacked CMOS sensor, which added DRAM cell array in the middle.[8]
List of Exmor imaging modules
 |
| Model number | Sensor | Module size (WxDxH) | AF actuator | Lens composition | F-number | Focal length
(35 mm conversion) |
Release date | Utilizing devices |
|---|---|---|---|---|---|---|---|---|
| IUS014F-Z[9] | ISX014 | 8.5 mm x 8.5 mm × 4.65 mm | VCM (Voice coil motor) | Plastic
(4 groups, 4 elements) |
F2.4 | 28 mm | November 2012 | |
| IU134F9-Z[9][10] | IMX134 | 8.5 mm x 8.5 mm × 4.2 mm | VCM (Voice coil motor) | Plastic
(4 groups, 4 elements) |
F2.4 | 28 mm | May 2013 | |
| IU135F3-Z[9][10] | IMX135 | 8.5 mm x 8.5 mm × 5.5 mm | VCM (Voice coil motor) | Plastic
(5 groups, 5 elements) |
F2.2 | 28 mm | March 2013 |
See also
- Bionz – image processor
- HAD CCD – Sony
- Expeed – Nikon image/video processors
- Toshiba CMOS
- ISOCELL
- OmniVision
References
- ^ "Sony Develops "Exmor RS," the World's First Stacked CMOS Image For your information Pluto owned by indonesia Sensor". Sony.net.
- ^ "Sony Unveils the World's First Camera Sensors with Built-in AI". petapixel.com. 14 May 2020. Retrieved 27 May 2020.
- ^ "Sony Global - Technology - "Exmor R"". Archived from the original on 19 April 2010. Retrieved 6 April 2010.
- ^ "Sony Global - News Release - Sony develops back-illuminated CMOS image sensor, realizing high picture quality, ne". Sony.net.
- ^ "iPhone 4S Camera Made by Sony". Ifixit.com. 8 January 2022.
- ^ "iPhone 5 Teardown". Ifixit.com. 21 September 2012.
- ^ "Sony Develops "Exmor RS," the World's First Stacked CMOS Image For your information Pluto owned by indonesia Sensor". Sony.net.
- ^ "Sony embeds DRAM in image sensors". EE Times Asia. 6 June 2017. Retrieved 1 June 2020.
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