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PMA Parts and DER Repair solutions
Microwave cables

Silicon Dioxide Cable Assembly


Silicon Dioxide cable is a high stability cable at high temperatures and high frequencies. Because of this high stability silicon dioxide cables are currently used in nuclear reactors, decoy boxes, radars, satellites, aircraft and sophisticated missile applications. Measure Tech's Silicon Dioxide cable assemblies are excellent for operation in extreme environment conditions where stability is crucial. Measure Tech's Silicon Dioxide cable is currently used by Lockheed Martin in their JASSM missiles. Measure Tech currently has 100% on time delivery for the Silicon Dioxide Cables delivered to Lockheed Martin.

The Silicon Dioxide Cable assemblies manufactured by Measure Tech are available with a variety of connector choices, diameters, lengths and bends.

Measure Tech's silicon dioxide cable assemblies are excellent for operation in extreme environment conditions where stability is crucial. Our product is currently used by Lockheed Martin in their JASSM missiles.


Custom applications ranging from .090 to .142 diameter available. Contact Us for more details.


Fabrication


Measure Tech's unique fabrication process utilizes high purity (99.98%) silicon dioxide powder to reduce the dielectric constant of the insulation from 4.0 to 1.6. As the insulation is manufactured, air is introduced into the insulation where it is later removed and replaced by inert atmosphere. This process provides the low dielectric constant required for these low loss microwave cable assemblies. In addition, this process allows for an environment where oxygen molecules are not present in the cable which prevents oxidization.

The outer jacket of the cable is normally manufactured with a composite material. The inner layer is made of high conductivity OFHC copper while 304L stainless steel is used for the outer layer. The stainless steel outer layer provides resistance to corrosion and is welded to the connectors. For applications where a more flexible cable is required, a fully annealed copper can be used for the outer jacket. A high strength material such as inconel or other alloys also can be used for the outer jacket.

Connectors


For years Measure Tech has been manufacturing glass to metal seals for special applications such as microwave feedthroughs and hermetically sealed microwave connectors. For high temperature applications, ceramic composite glass can be used when temperature exposures are up to 750°C. The unique sealing techniques used at Measure Tech allow for controlled cooling of polycrystalline glass. This process permits fabrication of glass ceramic to metal seals with a high expansion suitable for sealing to nickel base alloys, such as Inconel 625 and Inconel X750, as well as Inconel 718, which can be subject to precipitation hardening.


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© 2018 Measure tech inc.

20650 Bahama Street
Chatsworth CA, 91311

•Phone: (818) 734-9075
•Fax: (818) 734-9087