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Sony's SWIR Image Sensors Capturing Images Across Both the Visible and Invisible Light Spectrums

Sony's SWIR Image Sensors Capturing Images Across Both the Visible and Invisible Light Spectrums

Enterprise & IT May 12,2020 0

Sony Corp. announced the upcoming release of two new models of short-wavelength infrared (SWIR) image sensors for industrial equipment.

The new sensors are capable of capturing images in the visible and invisible light spectrum in the short-wavelength infrared range and boast a compact size made possible by the industry's smallest 5μm pixel size.

The new products employ Sony's original SenSWIR technology, in which photodiodes are formed on an indium gallium arsenide (InGaAs) compound semiconductor layer and are connected via Cu-Cu connection with the silicon (Si) layer which forms the readout circuit — a design which enables high-sensitivity over a broad range of wavelengths. This breakthrough yields a SWIR image sensor that is compact yet capable of delivering seamless image capture over a broad range of wavelengths covering from the visible to invisible light spectrum in the short-wavelength infrared range (wavelength: 0.4μm to 1.7μm).

Employing these products enables sensing even in wavelengths not visible to the human eye, making possible the development of cameras and testing equipment for various applications and contributing to the development of diversifying industrial equipment.


Model name Sample shipment date Sample price
(excluding tax)
IMX990 1/2-type (8.2 mm diagonal) approx. 1.34 effective megapixel SWIR image sensor Ceramic PGA package with built-in thermoelectric cooling device July 2020 900,000 JPY
Ceramic LGA package June 2020 800,000 JPY
IMX991 1/4-type (4.1 mm diagonal) approx. 0.34 effective megapixel SWIR image sensor Ceramic PGA package with built-in thermoelectric cooling device July 2020 500,000 JPY
Ceramic LGA package June 2020 400,000 JPY

 


Model name IMX990 IMX991
Number of effective pixels 1296 (H) × 1032 (V)
Approx. 1.34 megapixels
656 (H) × 520 (V)
Approx. 0.34 megapixels
Image size Diagonal 8.2mm (1/2-type) Diagonal 4.1mm (1/4-type)
Unit cell size 5μm (H) × 5μm (V) 5μm (H) × 5μm (V)
Frame rate Full pixel 8 bit: 130 fps
10 bit: 120 fps
12 bit: 70 fps
8 bit: 250 fps
10 bit: 240 fps
12 bit: 130 fps
Power supply Pixel 2.2 V, 1.2 V 2.2 V, 1.2 V
Analog 3.3 V, 2.2 V 3.3 V, 2.2 V
Digital 1.2 V 1.2 V
Interface 1.8 V 1.8 V
Main functions Global shutter,
digital thermometer,
ROI
Global shutter,
digital thermometer,
ROI
Output SLVS (2/4ch switching) SLVS (2/4ch switching)
Package Ceramic PGA with built-in thermoelectric cooling
30.0mm (H) × 30.0mm (V)
Ceramic LGA
20.0mm (H) × 16.8mm (V)
Ceramic PGA with built-in thermoelectric cooling
30.0mm (H) × 30.0mm (V)
Ceramic LGA
20.0mm (H) × 16.8mm (V)

Tags: CMOS image sensorSony
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