ADSC Quantum 4R CCD detector Specification

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Special:

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Quantum 4R CCD X-ray detector general description

Quantum 4R CCD X-ray detector is a two by two array CCD detector, consisting of four modules. The total active area is approximately 35000 mm² (188 x 188 mm) with no more than 400 µ slit between detecting areas.

CCD chip specification

The fiber optic taper ratio is 3.6 to 1.

Each individual EEV 05-30 Advanced Inverted Mode (AIMO) chip with 1152 x 1242 pixels (1150 x 1150 used) is connected via fiber optic taper ratio is 3.6 to 1 to 94 x 94 mm X-ray sensitive phosphor area, optimized for 1 Å radiation. This mean that each pixel on CCD chip corresponds to 81.7µ square at the X-ray sensitive area.

CCD EEV 05-30 Advanced Inverted Mode (AIMO) chip

EEV 05-30 Advanced Inverted Mode (AIMO) chip:
Metachrome phosphor coating, for UV response
Pixel size = 22.5 µ
Image area = 28 x 26 mm
Readout noise = 3-5e^-
Dark Current < 8e^-/hour
Peak QE = 50%
QE @ 650 nm = 50%
QE @ 400 nm = 15% (coated)
QE @ 800 nm = 37%
First commissioning: Apr 1991

CCD controllers

Each CCD detector module is accompanied with Princeton Instruments ST-138 CCD controllers with software controlled readout mode and speed.

lowest noise 16 bit readout (150 kHz pixel rate)	8.9 sec.
high speed 16 bit readout (430 kHz pixel rate)	3.1 sec.
high speed 2x2 binned readout	1.0 sec.

We would like to recommend to use high speed 2x2 binned readout mode for X-ray data collection from time sensitive crystal samples, for example from non-frozen crystals.

Quantum 4R CCD detectors equipment

equipment rack for Quantum 4R CCD detector

A 2.25 meters high equipment rack provided space for four Princeton Instruments ST-138 CCD Controllers, Pentium II 400 frame buffer computer (with 64 Mbytes of 100 MHz RAM, 2.5 Gbyte disk drive, 100 MBit Ethernet card, 15" color monitor and four PCI interface cards to connect to the 4 CCD controllers is provided. The Pentium II PC is equipped with a Fast Ethernet (100baseT) board for connection) and all relative equipment (fans, levelling feen, weels, etc.)

Images from buffering computer are transferred to Unix workstation with on-the-fly application of the geometric corrections and the pixel by pixel sensitivity corrections.

ADSC Software for Quantum 4R CCD detector

Quantum 4R CCD detector is supplied with ADSC software package. ADSC software has modular design, which allowing use independent process via TCP/IP network with central Graphics User Interface (GUI) control. ADSC software with Graphics User Interface allow to make simple, safe control of data collection with estimation of the full data collection time and display collected images.

ADSC Warranty:

ADSC warrants both parts and labor for any defects due to faulty material or workmanship for a period of two years from date of installation.

For more details please visit official web-site: http://www.adsc-xray.com/