A manufacturing method for a sintered body having a metallic member buried therein is provided, and includes forming an alumina sintered body, forming a metallic member by printing a printing paste including a refractory metal on the alumina sintered body, forming a green alumina compact on the metallic member, and sintering the alumina compact, the metallic member, and the alumina sintered body or the alumina presintered body.

In the exemplary embodiments, the apparatus comprises: an ultrasonic transducer arrangement; a drive arranged to pivotably displace the transducer arrangement within a predetermined angular range; an actual-value generator for supplying a signal (F.sub.I (.rho.) dependent upon the angular position of the transducer arrangement within the said range; a desired-value generator for supplying a signal (F.sub.S (.rho.)) representing a desired angular position of the transducer arrangement within the ...

A hybrid composite material is constructed from woven reinforced fabrics of Kevlar 49 and biaxially reinforced fibers of graphite and E-Glass bonded together with a thermosetting adhesive, for the application of custom orthotics. The material is designed with the idea of introducing different fibers at different locations of the orthotic in order to take advantage of the unique properties of each reinforcing fibers. The resulting material creates a hybrid composite that exhibits a balance of pro...

As disclosed herein, a new and improved method and apparatus provides for the ensonification of at least a portion of a body part with acoustic energy pulses; detects the polarity and amplitude of the resultant echo pulse; and displays the detected data in a color television format to result in an improvement in resolution in indicia of tissue character. This improvement is accomplished by a process which simultaneously detects both the amplitude or strength of the echo pulse and the polarity se...

A conventional ultrasonic B-scan image is converted into a volume backscatter image by accounting for four propagation effects: dispersion of transmitted energy, beam width and beam intensity variations, inhomogeneous attenuation of ultrasonic energy, and signals resulting from specular reflections at interfaces. These images are a two-dimensional map of backscatter efficiency, are independent of details of the measurement system, and are quantitative images of an intrinsic property of tissue an...

The scanhead uses a shaft mounted, oscillating rotor driven by a shaft mounted rotor. Energy storage and repulsive means, provided by magnetic "bumpers" helps to reverse the direction of motion of the rotor at the end of the scan angle.

An ultrasound transducer is translatable for scanning along a body surface by having the transducer mounted at the free end of an articulated arm which is moved in a single nominally vertical plane during a scan. The arm is pivotally connected at one end to a head which is turnable at least about a vertical axis so the arm can be directed in other single planes. The head is mounted on a horizontally and transversely movable arm which is on a longitudinally movable carriage. Potentiometers produc...

In a method of plotting section images of objects subjected to ultrasonic examination, a section surface of the object is scanned with a sound beam and echoes generated in response to the pulses of the sound beam are converted into echo signals which are plotted on a plotting surface, such as a fluorescent screen or a record carrier, to form a section image. The sound beams scans the section surface at a varying velocity. The pulse repetition period of the sound pulses is varied so that the sect...

A scanner for use in ultrasonic imaging systems of the type which translates a transducer assembly along a path of successive positions. The scanner rotates the assembly during translation and, in one embodiment, rotates the transducer about a center of rotation which is offset from the center of translation.

A system and method for utilizing a spatial three-dimensional display unit with a medical diagnostic imaging system is disclosed. The medical diagnostic imaging system may be a picture archival communication system. The system may include at least one two-dimensional display unit and an additional spatial three-dimensional display unit. Accordingly a user may view two and three-dimensional images of similar anatomical objects. The two and three-dimensional images may be linked, providing the use...