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IMAGE SENSOR
Flat panel sensor
C9732DK
Large area/soft X-ray imaging, high resolution
Flat panel sensor C9732DK is two-dimensional CMOS image sensor module designed for X-ray imaging which requires high resolution, large area and wide dynamic range. A target material of X-ray source and X-ray energy adequate for the sensor is Mo and 17 keV. The device shape is thin cassette which incorporate on-chip high-resolution scintillator and a control board. An on-board USB2.0 interface can realize fast data transfer with C9732DK.
Features
Applications
l High resolution l X-ray imaging (optimized to 17 keV) l 2400 x 2400 pixels (50 m pitch) l 14-bit digital output l High-speed imaging: 1 frame/s (single operation) l CsI scintillator directly deposited on photosensitive surface l No dead area (insensitive area) due to seamless structure
s Block diagram
C9732DK is a lightweight and compact flat panel sensor consisting of a sensor board and a control board. The sensor board also has 8 charge-sensitive amplifier arrays each having 300 channel amplifiers with a horizontal shift register. Analog video signals are amplified as the charge on each video line by 2400 ch charge amplifiers with CDS (Correlated Double Sampling) circuits, and are output is obtained from each of 8 amplifier arrays. The control board converts the analog video signal into a 14-bit digital signal and outputs it to an PC through the USB2.0 interface.
PIXEL NUMBER 12 2401
2399 2400 4799 4800
VERTICAL SHIFT REGISTER
EXTERNAL POWER SUPPLY A.vdd, D.vdd (not attached)
PHOTODIODE ARRAY WITH DIRECTLY DEPOSITED CsI SCINTILLATOR
5759999 5760000 AMP ARRAY No. 1 AMP ARRAY No. 8
TIMING PULSE GENERATOR BIAS GENERATOR BUFFER AMP BUFFER AMP
PROCESSING AMP
OSCILLATOR TrgIn TrgOut
A/D
FIFO USB IC
PROCESSING AMP
VIDEO DATA FLAT PANEL CONTROL (USB2.0 INTERFACE)
A/D
FIFO
Note: Signals are read out in order of pixel number.
KACCC0310EB
KACCC0310EB
1
Flat panel sensor
s General ratings
Parameter Pixel size Photodiode area Number of pixels Number of active pixels Readout Video output TrgIn, TrgOut Scintillator Specification 50 x 50 120 x 120 2400 x 2400 2368 x 2340 Charge amplifier array USB2.0 TTL Direct deposition CsI
C9732DK
Unit m mm pixels pixels -
s Absolute maximum ratings (Ta=25 C)
Parameter Supply voltage for digital circuitry (+5 V) Supply voltage for analog circuitry (+5 V) Operating temperature *1 Storage temperature *1 *1: No condensation. Symbol D.vdd A.vdd Topr Tstg Value +6.0 +6.0 0 to +35 0 to +50 Unit V V C C
s Specification (Ta=25 C A.vdd= 5.0 V, D.vdd= 5.0 V)
Parameter Symbol Min. Typ. Max. Unit Frame rate (single operation) Sf (int) 0.95 1 frames/s Frame rate external (single operation ) Sf (ext) Sf (int) to 0.5 frames/s Noise (rms) *2 N (rms) 1250 electrons Sensitivity *3 S 65 LSB/mR Resolution *4 Reso 9 10 line pairs/mm Saturation charge Csat 6.4 M electrons Dynamic range 5100 Defect line *5 20 lines Adjacent defect line 1 line pair Output offset *6 260 800 LSB *2: Internal trigger mode, single operation *3: Mo target 30 kV, without filter *4: Spatial frequency at CTF=5 % *5: A defect line is a horizontal or vertical line containing 4 or more pixels that produce less than 1/8 of the average output from surrounding pixels and are formed continuously from the opposite side of an amplifier array or a shift register. *6: Average of all active pixels in single operation at Sf (int) Note: X-ray energy range is less than 35 kVp (17 keV Mo source).
s Resolution
100 90 80 70 (Ta=25 C, A.vdd=5.0 V, D.vdd=5.0 V)
CTF (%)
60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10
SPATIAL FREQUENCY (line pairs/mm)
KACCB0154EA
2
Flat panel sensor
s System requirements
C9732DK
To operate C9732DK at full performance, the following system and peripherals are required. * PC: Intel Pentium IV 3 GHz (or CPU comparable) or higher recommended with USB2.0 on mother board and 1 GB memory. * OS: Windows XP * Power source: A. vdd = +5.0 0.1 V (1100 mA), D. vdd = +5.0 0.1 V (300 mA) Please use a series power supply is recommended. (Avoid using a switching power supply.) A optional power source (PS4ML) is provided for AC100, 115, 230 V input voltages. A power cable (terminated with a JSTJ-C9-2C plug at one end and open at the other end; 2 m; see Table 1.) and an external trigger cable (terminated with an FGG.OB.304.CLAD56 plug at one end and open at the other end; 5 m; see table 2.) comes supplied with C9732DK. C9732DK does not include USB cable. The voltages described above are specified at the flat panel sensor side. The impedance of the power cable attached with the flat panel sensor is low enough but it causes 0.1 V approx. drop. Therefore the voltage at the power source side should be set 0.1 V higher than the voltage specified above. Install a noise filter on the AC power input line to prevent surges on the AC line. DCAM-API (Digital Camera Application Programming Interface) produced by Hamamatsu supports C9732DK. The driver software, DLL and sample software are included in DCAM-API. The latest version of DCAM-API can be downloaded from http:/ /www.dcamapi.com/. The USB receptacle is mini-B type. The mini-B USB cable is not attached. The earth terminal must be connected to a stable earth point to eliminate noise from surroundings.
Table 1: Pin assignment and cable color for 9-pin power receptacle
Pin No. Color 1 Yellow 2 Blue 3 Gray 4 Black 5 Red 6 Green 7 Purple 8 White 9 Brown 9-pin receptacle: DE-9PF-N made by JAE (Japan Aviation Electronics Industry, Limited) Mating plug: JST J-C9-2C made by JST Mfg. Co., Ltd. Signal Digital GND Digital GND Analog GND Analog GND Analog GND Digital +5 V Digital +5 V Analog +5 V Analog +5 V
Table 2: Pin assignment and color cable for 4-pin trigger cable
Pin No. Color 1 Blue 2 Orange 3 Green 4 Brown 4-pin receptacle: ECG. 0B. 304. CLL made by LEMO S. A. Mating plug: FGG. 0B. 304. CLAD56 made by LEMO S. A. Twist pair Twist pair Signal TrgIn Digital GND TrgOut Digital GND
s Dimensional outline (unit: mm, tolerance: 1 mm unless otherwise noted)
14.5 7
CMOS FLAT PANEL SENSOR C9732DK
ACTIVE AREA 118.4
20 10.3 15 9.5 25 12.7
FRAME TRG POWER GND I/O SOURCE
9
193
ACTIVE AREA 117
(2367, 2339)
8.1
261 * (0, 0) (6 x) M3 DEPTH 4
1.7
73 266 Top cover material including window is carbon fiber (1.0 mm thickness). Weight: 1.2 kg
C1.3
166 *
47.5 *
* 0.5
4*
31 *
155.5 *
USB
KACCA0177EB
3
Flat panel sensor
s Notice
C9732DK
* Do not subject the Flat Panel Sensors to strong vibration or shock. (Strong shock such as drop impacts may cause permanent damage to these sensors.) * Users must take responsibility for implementing X-ray shielding safety measures to avoid the risk of X-ray exposure. * Data listed in this datasheet is defined at the time of shipment. Characteristics may vary somewhat due to exposure to X-rays so take proper countermeasures such as making periodic image correction. * This product is warranted for a period of 12 months after the date of the shipment. The warranty is limited to replacement or repair of any defective product due to defects in workmanship or materials used in manufacture. The warranty does not cover loss or damage caused by natural disaster, misuse (including modifications and any use not complying with the environment, application, usage and storage conditions described in this datasheet), or total X-ray radiation dose over 45000 Roentgen [less than 35 kVp (17 keV Mo source)] even within the warranty period.
C9732DK conforms to European EMC directives: EN61326 Class A.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. (c)2007 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
4
Cat. No. KACC1125E05 May 2007 DN

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