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Sony IMX021 CMOS image sensor

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Category: Technology

Sony announce IMX021 - Sony are commercialising an APS-C size CMOS image sensor with industry-leading 12.47Mp resolution for use in Digital SLR cameras.

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Press Release: Sony IMX021 Image Sensor

Sony Corporation have today announced the commercialisation of IMX021, an APS-C size, 12.47Mp ultra-high speed, high image quality CMOS image sensor designed to meet the increasing requirement for rapid image capture and advanced picture quality within digital SLR cameras. Sony will position IMX021 as a key device capable of generating new added value in the high-growth digital SLR camera market, actively promoting its use within Sony and externally.

One of the main strengths of CMOS image sensors is their potential for system integration, enabling both analogue and digital circuits to be combined on the same chip. IMX021 maximizes these advantages, while also incorporating Sony's newly developed Column-Parallel A/D Conversion Technique, providing each column within the sensor with its own A/D converter.

This system enables analogue signals transferred from the Sensor's vertical signal lines to be A/D converted directly, over the shortest possible distance. It also minimizes image degradation caused by the noise that arises during analogue processing, while at the same time delivering an extremely high signal conversion speed (in all-pixel scan mode) of 10.39fps. (12 bit).

Furthermore, since processing is performed in parallel for each column, even if the number of pixels or the frame rate increases, A/D conversion can be performed at significantly lower frequencies than with conventional non-parallel circuit structures. Consequently, high picture quality digital signals can be processed without the noise interference that results from high frequency signals.

The Column-Parallel A/D Conversion Technique aligns both digital and CDS circuits alongside each column. Column-parallel digital CDS circuits reduce not only pixel noise, but also the noise and inter-column processing variations that can affect analogue CDS circuits. These circuits also limit A/D converter fluctuations. With this dual noise cancelling technology realizing high-precision noise reduction across both analogue and digital circuits, the IMX021 image sensor allows signals to be transferred, with limited noise, to the image processing circuits of the camera unit itself. This makes it ideally suited for the development of high image quality digital SLR cameras.

The enhanced quality images generated by IMX021 are the result of its advanced noise cancelling features based on a unique circuit structure, its pixel array micro-fabrication technologies, and its cleaning and colour-filtering capabilities - encapsulating the range of imaging expertise that Sony has accumulated throughout its history of CCD development.

IMX021 production will be carried out at Sony Semiconductor Kyushu Corporation's Kumamoto Technology Centre.


For further information, please visit the Sony website.
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cameracat  108575 forum posts Norfolk Island61 Constructive Critique Points
8 Sep 2007 - 12:12 AM

Thats rather a coincidence or is it? One of Nikons new CMOS sensors is quite similar.


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8 Sep 2007 - 10:52 PM

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8 Sep 2007 - 10:52 PM

Quote: Thats rather a coincidence or is it? One of Nikons new CMOS sensors is quite similar.

I thought it was well known about the tie in between Nikon & Sony. Sony provide most of Nikon's [and Pentax's] sensors, including those in the D2X and D200.

cameracat  108575 forum posts Norfolk Island61 Constructive Critique Points
9 Sep 2007 - 9:33 AM

I was being Sarky.....Sad

10 Sep 2007 - 7:59 AM

Quote: I was being Sarky.....

You need more practice then Smile

10 Sep 2007 - 10:56 AM

Have I stumbled into a "cat" fight then... lol.

Being a Canon buff I wish this had been used in the new 40D. The images from the latest Nikons are great and the "all in one" chips give good increases in battery life. Canon are already good at that.

Knowing me, I'll buy the 40D anyway.

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