K. E. Developments also continues to specialise in the design and production of high quality custom built DC-DC converters, offering its OEM clients exceptional flexibility in power, output, size and isolation specifications

K. E. Developments products offer world beating performance, and they are proud to include all of the world’s leading manufacturers of SEM equipment amongst their clients. They maintain close liaisons with OEM clients and research groups throughout the world, allowing a continuous flow of innovative products to be speedily developed and brought to the market.

1)   INFRARED CHAMBERSCOPE GW

 The INFRARED CHAMBERSCOPE GW (General Workhorse) is the new compact low-cost entry-level product in the K.E.Developments range of Optical Surveillance Products (OSPs). Designed for optimum use with both Hitachi & JEOL SEMs the system can also be used with other SEMs with a suitable port in line with the field of view. The system is intended for continuous monitoring of the inside of the SEM’s specimen chamber. This new design offers a compact low-profile camera and IR illumination assembly to minimize conflict with other accessories. A new airside infrared source is mounted directly to the metal work, allowing much higher light levels to be obtained without overheating the source.

Many research SEMs are now equipped with a variety of detectors and other accessories and physical conflict is often a major problem. The continuous view provided by the Chamberscope on its compact LCD screen clearly shows detector, lens and manipulator positions with respect to the specimen, enabling the operator to avoid possible damage.

Advantage of infrared chamberscope GW

· Compact Design

· Low Cost

· Continuous monitoring of the interior of the specimen chamber

· I-R Illumination can be used with SEM operating

· Considerably speeds up specimen exchange

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INFRARED CHAMBERSCOPE 25 is similar to the well established Infrared Chamberscope. With a mounting hole of just 25mm the system is designed to be mounted on the smallest of ports. Its demountable camera head ensures the availability of all of the benefits of a Chamberscope system even when a port in direct line with the specimen is not available. The use of a television camera to give a clear view inside the SEM’s chamber has revolutionised the way that modern SEM’s, are operated, by giving confidence to the operator when moving the specimen and inserting detectors. In particular, specimen exchanges are considerably speeded up, as the specimen can be brought into the operating position during the vacuum pumping period. There is no longer any need to set the specimen

low, just in case it should collide with something, then readjust again to find the actual working distance once the beam is switched on.

INFRARED CHAMBERSCOPE 25 may be used continuously, even with the SEM operating, giving that extra degree of confidence. Whilst SE and scintillator detectors are unaffected, certain detectors such as solid-state backscatter and EDX, may be infrared sensitive, and in cases where these are to be used, the illumination level may be reduced or turned off completely. INFRARED CHAMBERSCOPE 25 is designed with its lens, CCD chip and IR illuminators inside the chamber. These parts are normally mounted on a swivel head giving either up/down or left/right adjustment. If this proves insufficient to achieve the desired view, the camera head may be demounted and positioned virtually anywhere in the chamber so that the required view can be achieved.

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 Solid State Backscattered Electron Detector

 This state-of-the-art Backscattered detector uses a large silicon diode exclusively manufactured for KED to our own specific design and characterised for electron detection. It is highly compact, with a four quadrant annular construction, which achieves almost perfect symmetry virtually eliminating topographic information and producing a pure compositional signal. However, if topographic information is required, the ability to select quadrants allows this to be done.

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 Motorised Backscattered Electron Detector

The K.E.Developments Motorised Backscattered Detector is fitted with 3 individual operating positions allowing the use of the detector and a Faraday Cup as well as the fully retracted position. Alignment of the two detector positions is normally better than 20um. Its main application is for detector assemblies that are mounted in inconvenient places, often behind the electron optical column. Its use is invaluable in systems used in hazardous environments such as”hot cells”. A Bellows version is also available.

Centaurus: “The Complete Detector System”

Designed as a scintillation type BS detector, this innovative product can generate either compositional or topographic images. With a quickly removable tip, it can be converted to a Cathodoluminescence detector in seconds giving an additional function for little extra cost, without compromising the quality of the results obtained. It also gives excellent images at low kV - ideal for those studying fragile and beam sensitive samples. Given its simple conversion, we believe that you will agree CENTAURUS is indeed ‘The Complete Detector System’.

Backscatter

• Excellent low kV performance
• Good atomic number resolution
• High spacial resolution
• Operates at all pressures
• Composition or topography

Cathodoluminescence

• -   Sensitive CL detector
• -   300-650nm standard

 

 

CENTAURUS Detector Motorised Bellows variant



The K.E. Developments Motorised Bellows CENTAURUS Detector has all the functions of the standard retractable model. Its main application is for detector assemblies that are mounted in inconvenient places, often behind the electron optical column. Its use is invaluable in systems used in hazardous environments such as”hot cells”. A Bellows version is also available.

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