Si photodiode array


Back-illuminated photodiode arrays for X-ray non-destructive inspection, slender board type

The S11299-422 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.

-Element size: 1.175 (W) × 2.0 (H) mm/one element
-Element pitch: 1.575 mm (× 16 pixels)
-Mounted on board size: 25.4 (W) × 10.2 (H) mm
-Long and narrow format by multiple arrays
-Supports dual energy imaging (When used in an upper and lower two-layer combination)

Element size (per 1 element) 1.175 × 2.0 mm
Number of elements 16
Package Glass epoxy
Package category With scintillator
Scintillator type Phosphor sheet
Cooling Non-cooled
Dark current (max.) 30 pA
Rise time (typ.) 6.5 μs
Terminal capacitance (typ.) 40 pF
Measurement condition Ta=25 ℃, per element

Dimensional outline (unit: mm)

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