The Perkin-elmer Corporation

Masami Taguchi

Charles Alan Brantingham

Timothy P Sheridan

In an electrode assembly, an electrode holder has a forward end thereof affixed coaxially to an electrode tip. An attachment member is affixed to the holder rearwardly of the electrode. A retaining assembly includes an outer cup component, an inner cup component and a magnet therein. An electrical lead is connected to the inner cup component. The electrode assembly fits coaxially into the retaining assembly with the attachment member adjacent to and retained by the magnet. The electrode holder is seated in electrical contact with the inner cup component. The holder, cup components and attachment member are magnetically permeable, and separated in each assembly by insulators, so as to effect an outer magnetic shielding loop and an inner magnetic shielding loop.

Apparatus for retaining an electrode by a magnetically shielded magnet

A suspension system for isolating a platform from external vibrations includes spring assemblies suspending the platform. In each spring assembly an elongated outer coil spring is suspended at an upper end thereof from a support structure. A tube is disposed loosely within the outer spring and is attached to a lower end of the spring so as to extend upwardly. An elongated inner coil spring is disposed loosely within the tube and is suspended from an upper point of the tube. The inner spring has a lower end attached to the platform. For friction dampening, o-rings are fitted on the inner spring in sliding contact with the tube.

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Minneapolis, MN, United States of America

Masami Taguchi