Diamond Roll-Rings® Now Available Through Diamond Antenna Europe for Microwave Antenna Rotary Joints

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Recently AML Microtechnique Lorraine S.A. of Metz, France joined with Diamond Antenna and Microwave Corporation of Littleton, Massachusetts to form Diamond Antenna Europe BVBA. The new entity combines AML Microtechnique’s capabilities as a manufacturer of high precision components with Diamond Antenna and Microwave’s capabilities in microwave rotary joint design and production. Diamond-Roltran, the manufacturer of Roll-Rings®, sells exclusively with Diamond Antenna & Microwave rotary joints for antenna applications in the United States. And now with the formation of Diamond Antenna Europe, AML will be able to include Roll-Rings® in products produced in Metz, France for the European microwave antenna market.

The design of the Roll-Ring is so simple and so elegant. It is uniquely American. We look forward to building it into our products. - Industrial Manager, France

Diamond Antenna Europe will provide production, customer service and sales to designated European markets. Diamond Antenna and Microwave will supply design and engineering support to AML Microtechnique for the production of microwave rotary joints in Metz, France which will be sold under the Diamond Antenna Europe label. Diamond-Roltran will supply Roll-Ring® units to AML Microtechnique for incorporation into AML Microtechnique rotary joints built for Diamond Antenna Europe.

Diamond Antenna and Microwave has fielded Primary and Secondary ATC Radar Rotary Joints with Roll-Rings® globally since 2001 for civilian and military fixed and mobile systems. While many configurations are possible the Diamond Series 2620 Primary and Secondary ATC Radar Rotary Joint is a standard. The 2620 is comprised of six channels with one WR-284 Waveguide, 2 S-Band and 3 Mode S compliant L-Band coaxial channels as well as a 24 Channel Roll-Ring® and provisions for two encoders. The coaxial channels use standard capacitively coupled, non-contacting rings plus Diamond’s patented flexible journal/compressive choke package design which affords better isolation across the entire band of interest as well as lower insertion loss and a smaller size.

Engineers from both AML and Diamond are transitioning the proven 2620 design to Metz, France to be able to produce the rotary joint entirely in Europe in 2013. As opportunities arise Diamond Antenna Europe will interact with European customers on their requirements and Diamond Antenna and Microwave will work with AML Microtechnique to create designs for European customers which will then be built in Europe. With the new arrangement AML will have access to Roll-Rings® for its Diamond rotary joints manufactured in France for the European market.
Roll-Rings® are a maintenance free alternative to slip rings. Instead of a wearing contact like slip-rings Roll-Rings® utilize a rolling contact which operates with virtually no wear. The gold plated spring copper Roll-Rings® roll slightly compressed between two conductive races in such a way that they maintain contact in the most demanding shock and vibration applications yet do not develop cyclical fatigue enabling operation to 1 billion revolutions and beyond. It is this maintenance free benefit that has attracted air traffic control rotary joint customers to the Roll-Ring® solution as it provides significantly longer operating periods without interruption and no maintenance costs.

Diamond-Roltran, LLC provides the proven Roll-Ring® rolling electrical contact solution to replace slip rings for rotary power, signal and data transfer requirements for mission critical applications the world over. Diamond-Roltran supplies its maintenance-free mission critical Roll-Rings® directly to military and aerospace customers worldwide and supplies Roll-Rings® integrated into rotary couplers for microwave antenna applications through Diamond Antenna & Microwave and now Diamond Antenna Europe. http://www.diamondroll-ring.com

AML Microtechnique is a manufacturer of high precision components and complex mechanical structures for military, aeronautical and space applications, using advanced technologies to include high-speed machining, induction and salts bath brazing. Founded in 1972, AML has established top quality and reliability ratings in support of numerous prime contractors and various important programs. AML is located in Metz, France, http://www.aml-microtec.com

Diamond Antenna and Microwave Corporation is a leader in the design and manufacture of microwave rotary joints and next-generation slip rings used for power and signal transfer in rotary antenna applications of radar and satcom. Technology enhancements from Diamond include the patented compressive choke module with unsurpassed channel isolation and Mode S compliance in air traffic control applications as well as Roll-Rings® which offer maintenance-free performance in low frequency signal and power transfer. Diamond is located in Littleton, Massachusetts in the United States, http://www.diamondantenna.com

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Matt Edison
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