Si photodiode array
The S11299-021 is a back-illuminated type 16-element photodiode array specifically designed for non-destructive X-ray inspection. It has improved sensitivity uniformity and smaller photodiode element variations compared to our previous product (S5668 series). The back-illuminated photodiode array is also simple to handle and easily couples to scintillators without having to worry about wire damage because there are no bonding wires and photosensitive areas on the light incident side. The S11299 series is compatible with dual energy imaging bacause it can be used in combination with our S11212 series [board size: 25.4(W) × 20.0 (H) mm] to configure an upper and lower two layer structure capable of simultaneous detection of high and low X-rays.
The chip of this product is not sealed and is exposed. Parts such as electrodes on the chip are not protected by an enclosure or window and so require especially strict care during handling compared to ordinary products.
Before using this product, always read “Precautions / Unsealed products” described below.
|Element size (per 1 element)||1.175 × 2.0 mm|
|Number of elements||16|
|Spectral response range||340 to 1100 nm|
|Peak sensitivity wavelength (typ.)||920 nm|
|Photosensitivity (typ.)||0.61 A/W|
|Dark current (max.)||30 pA|
|Rise time (typ.)||6.5 μs|
|Terminal capacitance (typ.)||40 pF|
|Note||This photodiode array as it is does not function as an X-ray detector. An appropriate scintillators or phosphor sheet should be added at user’s side.|
|Measurement condition||Ta=25 ℃, per element, Photosensitivity: λ=λp|
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