General Electric Company

Ge Medical Systems Global Technology Company, LLC

Srihari Balasubramanian

Pazhayannur Ramanathan Subramanian

Mark Ernest Vermilyea

Gregory Alan Steinlage

Thomas Robert Raber

William Lee Herron

Thomas Carson Tiearney, Jr

Suryaprakash Ganti

Liqin Wang

Thomas C Tiearney

Horst Gunther DeLorenzi

An X-ray target material comprising an oxide-dispersion strengthened Mo (ODS-Mo) alloy. ODS-Mo refers to molybdenum strengthened by a fine dispersion of insoluble oxide particles of one or more of the following compounds: La O , Y O and CeO . ODS&mdash;Mo alloy improves upon the prior art by providing higher and more uniform strength and creep resistance over the applicable temperature range of large brazed graphite targets. This, in conjunction with higher-strength graphite, allows the target to spin faster without causing graphite burst, thus providing improvement in peak power. The recrystallization temperature of the fabricated material is high enough to maintain original properties through all target processing, including a very high-temperature braze cycle.

X-ray tube targets made with high-strength oxide-dispersion strengthened molybdenum alloy

A brazed X-ray target includes a metallic cap and a graphite back including a nonlinear record groove attached thereto along a stepped surface. An upper corner joint of the stepped surface is distanced from a cap outer edge and a focal track where the maximum heat is generated during use of the target. The graphite back is extended outward toward the cap outer edge to increase a thermal storage of the graphite, and a recess is formed into the cap to maintain a selected moment of inertia of the target and thereby maintain the rotordynamics of a given X-ray tube.

High performance X-ray target

A rotor tie bolt nut includes a nut body having a threaded center hole therein; a first peripheral surface on one side of the center hole that spans the center hole and extends in opposite directions to define a pair of wing sections; and a pair of buttress sections supporting the wing sections; the buttress sections having second and third peripheral surfaces connected to opposite ends, respectively, of the first peripheral surface, and to each other by a radiused surface on an opposite side of the center hole.

Rotor windage nut

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Clifton Park, NY, United States of America

Srihari Balasubramanian