Abstract: Circuit board devices are provided based on use of high temperature superconducting ceramic polymers comprising high temperature superconducting ceramic powders distributed in electrically insulative organic polymers which are thermosetting by reaction of a two-part liquid mixture or by catalytic or photoinitiation of a one-part liquid. The ceramic domains transmit their superconductivity across the insulating barriers of organic polymers enabling formation of superconductive lines and superconducting bonds to electronic devices to be adhered to circuit boards, and providing superconducting circuitry.

Abstract: Composition and method for a conductive interconnection composition in bonding relation with electronic components including combining and upon combining expressing from a mix tip onto conductive portions of electronic components a silver filled first side urethane resin precursor comprising an aliphatic isocyanato reagent and a silver filled second side urethane resin precursor comprising a polyol reagent immediately reactive with the first side precursor isocyanato reagent, the silver being present in the composition in an amount sufficient to conduct electricity to and from the electronic components.

Abstract: A method for removing contaminants from soil site regions in which at least one source electrode is positioned in the soil site and is surrounded by a plurality of sink electrodes so that voltage gradients are established between the source electrode and the sink electrodes. A purging liquid is supplied to the source electrode and is permitted to flow therefrom into the soil site. The voltage gradients cause the purging liquid to move by electroosmosis through the soil site toward the sink electrodes to displace the contaminant material therein and to cause a substantial portion of the contaminant to be moved into the sink electrodes from which the contaminant can be removed.

Abstract: Method, composition and structure are provided for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.

Abstract: An apparatus is disclosed for testing the integrity of an optical fiber (23) from a single end of the fiber. A test light source (34) with a wavelength that is different from the primary light source (14) is directed into one end of the optical fiber (23). A spectrally selective dichroic material (32) is attached to the other end of the optical fiber (23). This material (32) transmits light of the wavelength of the primary light source (14) and reflects light of the wavelength of the test light source (34). A break or discontinuity in the optical fiber (23) can be detected by an attenuation in a pulse of light from the test light source (34) after it is transmitted though the optical fiber (23) and reflected back out of the optical fiber (23) by the dichroic material (32). This system can detect breaks or discontinuities in the optical fiber (23) with a high degree of resolution.

Abstract: Method, composition and structure are provided for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.

Abstract: A composition is provided adapted for a dual chamber (12, 14) applicator 10 having a common mixing zone 42, the composition comprising a low viscosity side A liquid mixture of a hydroxyl functional moiety component and at least two isocyanate components thixatropically reactive with amines, and a side B of at least two amines differentially reactive with said isocyanates in side A for a reaction first to a relatively low viscosity mass and thereafter to a relatively high viscosity mass as a function of time in passing through and then out of the applicator mixing zone 42.

Abstract: An applicator 10 delivers from side by side chambers 12, 14 a two-part urethane polymer composition in which the diisocyanate is differentially reactive with two amine components of side B such that an initial, faster reaction with one amine keeps viscosity low while a second, slower reaction with the second amine builds viscosity to a self-supporting paste outside the applicator.

Abstract: An applicator delivers from side by side chambers a two-part urethane polymer composition in which the diisocyanate is differentially reactive with two amine components of side B such that an initial, faster reaction with one amine keeps viscosity low while a second, slower reaction with the second amine builds viscosity to a self-supporting paste outside the applicator.

Abstract: Method and composition are provided for repair of bumpers and like auto body components formed of synthetic organic polymers, by the use of a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.

Abstract: A mannequin comprising a head part and a torso part adjustably joined together. In the torso part a sound moving picture projector is mounted to project facial images on a film in a light beam upwardly through the neck into the head as the film is moved through the projector. Simultaneously sound from a track on the film is picked up, amplified and audibly reproduced. The sound and facial images are correlated to simulate a speaking person. The head part has a face piece with well defined forehead, nose, cheeks and chin but only smooth areas for eyes and mouth which is molded of transparent plastic and surface coated as a rear projection screen. Means in the head receive the light beam from the projector and transmit onto the rear projection screen so that the projected facial features correspond in location to the facial features on the face piece.