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Details, datasheet, quote on part number:N7220
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| Part: | N7220 |
| Category: | Logic => Boundary Scan (JTAG) Logic |
| Description: | Eb-ccd TV Scan Rate Type : N7640, Slow Scan Type : N7220 |
| Company: | Hamamatsu Photonic Systems |
| Datasheet: | Download N7220 datasheet File size : 343 kB |
| Request For quote: | Find where to buy N7220
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Datasheet text preview:
PR EL IM INA RY
EB-CCD
TV SCAN RATE TYPE : N7640 SLOW SCAN TYPE : N7220
F o r Low-Light-Level Imaging with high S/N ratio
s Imaging Conditions
Object illuminance: 0.1 lx Lens: FUJINON-TV Zoom Lens/H6x 12.5R :F1.2/f2
IMAGING COMPARISON
Using Resolution Test Chart
Commercial 2/3-inch CCD
EB-CCD N7640
OVERVIEW
The EB-CCD is an absolutely new high-sensitivity imaging device that employs the "Electron Bombardment (EB)" effect for image intensification. The EB-CCD basically consists of a photocathode and a CCD chip arranged in parallel in a vacuum tube. An optical image is converted at the photocathode into an electron image, which is then accelerated and directly bombards the CCD surface to produce electron multiplication. Even a low-light-level image can be brought into view with a high S/N ratio. Two types of EB-CCD are available depending on the readout method: the N7640 designed to operate at the TV scan rate and the N7220 for slow scan readout. Both types are compact and simple in structure, and deliver high sensitivity yet ensure high S/N ratio. The EB-CCD will open up new applications as the next generation of low-light-level imaging devices.
SENSITIVITY COMPARISON
(Calculated data)
TAPPB0068EA
1000 EB-CCD N7640 100
SENSITIVITY (V. µJ-1. cm-2)
NORMAL 2/3" CCD 10
1 200
300
400
500
600
700
800
900
1000
1100
WAVELENGTH (nm)
APPLICATIONS
qHigh sensitivity video camera
· Semiconductor wafer inspection · Real time fluorescence observation · Biochemical emission imaging · Biophoton imaging
SPECTRAL RESPONSE
102
TII B0020EA
CATHODE SENSITIVITY
CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%)
101
FEATURES
T V scan rate type
qResolution qGain qDetection limit *1 400 TV lines 700 0.3 mlx 450 TV lines 1300 Detectable down to single photon region
QUANTUM EFFICIENCY 100
10-1
S l o w scan type
qResolution qGain qDetection limit
10-2 100 200 300 400 500 600 700 800 900 1000
*1: Minimum illuminance on the photocathode required to produce an image.
WAVELENGTH (nm)
SPECIFICATIONS
qEB-CCD
Parameter Focusing Method Window Material Photocathode Maximum Supply Voltage Gain (Typ.)*2 Limiting Resolution (Typ.) Effective Area (H!V) Casing Material Lead Wire Sheath Dimension *2: N7640 at -6 kV, N7220 at -8 kV N7640 Proximity-focused Synthetic silica Multialkali -6 700 400 9.2 ! 6.8 -8 1300 450 12.2 ! 12.2 N7220 Unit kV TV lines mm mm
Poly Oxy Methylene (POM) Teflon 53 ! 16.5 (excluding lead pins)
qInternal CCD
Parameter Drive Method CCD Format Pixel Size Number of Effective Pixels (H!V) Saturation Charge Dark Current Readout Noise*5 CCD Readout Frequency Vertical Clock Horizontal Clock Output N7640 Frame transfer 2/3 inch format 14 ! 14 658 ! 490 65 !103 *3 80 e- / (pixel·frame) 100 14 2 phases 2 phases MOSFET source follower, two stages with load N7220 Full frame transfer 1 inch format 24 ! 24 512 ! 512 200 !103 *4 300 e- / (pixel·s) 50 1 2 phases 2 phases MOSFET source follower, one stage Unit mm electrons e- RMS MHz -
*3: At 25 °C, MPP (Multi-Pinned Phase) operation, 33 ms/frame *4: At 0 °C, MPP (Multi-Pinned Phase) operation
*5: N7640 at 12 MHz, N7220 at 150 kHz
qRatings
Parameter Operating Temperature Range Storage Temperature Range Min. -30 -40 Max. +40 +40 Unit
°C °C
PHOTON COUNTING IMAGING EXAMPLE
Slow Scan Type N7220 Exposure Time: 0.02 s
Object Illuminance
Exposure Time: 20 s
0.00002 lx
qConditions
Light source Object illuminance Lens F value Supply voltage Ambient temperature
Tungsten lamp
2!10-5 lx 5.6 -8 kV -25 C
(Resolution 450 TV lines)
DIMENSIONAL OUTLINES (Unit: mm)
TV Rate Type
(Frame Transfer CCD)
EFFECTIVE IMAGING AREA 9.2(H)!6.8(V) MIN. 9.2
N7640
6.9 ± 0.1 15.2 ± 0.2
PHOTOCATHODE (MULTIALKALI)
3.57
INDEX MARK CABLE LENGTH 200 MIN. RED 2.0 ± 0.3 BLACK 0.5 ± 0.2 16.5 ± 0.3 5 ± 0.3
INPUT WINDOW (SYNTHETIC SILICA)
Input Side
LEAD (TEFLON COVER) RED : PHOTOCATHODE (HV) BLACK : OUTER FLANGE (GND)
Output Side
S l o w Scan Type
(Full Frame Transfer CCD)
PHOTOCATHODE (MULTIALKALI)
N7220
15.2±0.2
EFFECTIVE IMAGING AREA 12.2!12.2 MIN.
5.9±0.1
INDEX MARK CABLE LENGTH 200 MIN. RED 2±0.2 BLACK 0.5 ± 0.2 16.5 ± 0.3 5 ± 0.3
INPUT WINDOW (SYNTHETIC SILICA)
Input Side
LEAD (TEFLON COVER) RED : PHOTOCATHODE (HV) BLACK : OUTER FLANGE (GND)
Output Side
1.78×11 =19.6
TAPPA0034ED
530.3
+0
19
29
1.78 ± 0.15
TAPPA0037EA
53 - 0.3
6.8
+0
19
29
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