Abstract: The disclosure provides a method of modifying a surface of a metallic glass. The method includes applying an electron beam within an energy band to a crystalline metal portion at a surface zone of the metallic glass. The method also includes changing the crystalline metal portion to an amorphous portion at the surface zone of the metallic glass, while a bulk region embedded in the metallic glass under the surface zone remains crystalline.

Abstract: The disclosure provides nickel free Zr—Cu—Al metallic glass-forming alloys and metallic glasses comprising at least of Pt, Pd, and Co where the atomic fraction of Zr ranges from 50 to 70, the atomic fraction of Cu ranges from 15 to 45, the atomic fraction of Al ranges from 5 to 15, and the combined atomic fraction of Pt, Pd, and Co ranges from 1 to 10.

Abstract: The present invention provides a dental member, which has a reduced size, and thus prevents damages to tooth roots upon implantation, has high strength and low elasticity, and is excellent in engraftment stability after implantation. The dental member is produced with an amorphous alloy having a composition represented by formula: ZraNibCucAld [wherein “a” ranges from 60 to 75 at. %, “b” ranges from 11 to 30 at. %, “c” ranges from 1 to 16 at. %, and “d” ranges from 5 to 20 at. %] and is used as an orthodontic anchor screw wherein the screw part has a core diameter of 0.5-1.0 mm or a length of 2-5 mm, a one-piece-type dental implant wherein the screw part has the largest diameter of 0.5-2.9 mm and a length of 2-13.4 mm, or a two-piece-type dental implant wherein the screw part has the largest diameter of 0.5-2.9 mm and a length of 2-5.9 mm.

Abstract: Methods of altering the surface of a metallic glass are provided. The methods include blasting and oxidation of a metallic glass surface, blasting a metallic glass surface using multiple shot media sizes, and thermal spray blasting a metallic glass surface with controlled cooling.

Abstract: The disclosure is directed to methods of forming glassy alloys. A glassy alloy is cold rolled at a temperature less than Tg of the glassy alloy to form a flattened glassy alloy. Then, the cold rolled glassy alloy is thermoplastically formed at a temperature above Tg of the glassy alloy. In certain embodiments, the flattened glassy alloy may have one or more shear bands and/or micro-cracks, and the thermoplastic forming may heal the shear bands and/or micro-cracks. The resulting glassy alloy may thereby have reduced or eliminated shear bands and/or micro-cracks.

Abstract: Methods and compositions of applying metallic coatings, or altering metallic compositions, are described. Metallic coatings are deposited on metallic substrates and treated with pulsed radiation, such a pulsed electron beam. The resulting metal substrate can have a metallic coating and/or altered surface chemistry.

Abstract: A method of forming a stacked wiring includes forming a first adhesion layer on a substrate, forming a first wiring on the first adhesion layer, etching the first adhesion layer and the first wiring by the same first wet etching so that the first wiring is in a reverse trapezoid shape in which a first width of a top surface is larger than a second width of a bottom surface contacting the first adhesion layer as a cross-section in a direction intersecting with a first wiring extending direction, covering the top surface and a side surface of the first wiring with a second adhesion layer, forming a second wiring on the second adhesion layer, and etching the second adhesion layer and the second wiring by the same second wet etching so that the second adhesion layer and the second wiring remain on only the top surface of the first wiring.

Abstract: A photoelectric conversion element includes a first electrode, a ferroelectric layer provided on the first electrode, and a second electrode provided on the ferroelectric layer, the second electrode being a transparent electrode, and a pn junction being formed between the ferroelectric layer and the first electrode or the second electrode.

Abstract: A solid state imaging device includes: solid state imaging elements having a first electrode, a ferroelectric layer, and a transparent second electrode laminated together, and a PN junction between the ferroelectric layer and the first or second electrode; a controller acquiring brightness information of an imaging target, and determining whether each solid state imaging element is set to operate in a high or low sensitivity mode based on the brightness information; and a circuit applying a voltage to the solid state imaging element based on the determination, and setting the solid state imaging element to operate in the high or low sensitivity mode, in which a photovoltaic current from the solid state imaging element which is set to operate in the high or low sensitivity mode is detected, and an image is acquired based on the detection result.

Abstract: There is provided a defect inspection method capable of detecting a crack with high accuracy. The defect inspection method includes the steps of: obtaining a shot image comprising pixels; and scanning the shot image in predetermined directions, and assigning a high evaluation value to a pixel M for each scanning direction when the luminance of the pixel M is lower than the luminances of first adjacent pixels K, O, located on both sides of the pixel M in the scanning direction and, in addition, the luminance of each of second adjacent pixels C, W, located on both sides of the pixel M in a direction perpendicular to the scanning direction, is lower than the luminances of third adjacent pixels A, E or U, Y located on both sides of the second adjacent pixel in the scanning direction.

Abstract: Provided is a method for easily manufacturing large volumes of a metallic glass nanowire with an extremely small diameter. This metallic glass nanowire manufacturing method is characterized in that a melted metallic glass or a master alloy thereof is gas-atomized in a supercooled state.

Abstract: A connection terminal, in which the width of the side opposite to a first adhesion layer is greater than the width of the first adhesion layer in a cross-sectional shape, is formed on the first adhesion layer which is formed on a flow path forming substrate and etched by an etchant, the connection terminal is covered with a second adhesion layer formed from the same material as that of the first adhesion layer, and an inclined wiring is formed on the connection terminal through the wet etching method with the etchant.

Abstract: A droplet discharge head includes: a vibrating plate on which first and second terminals are formed; a reservoir forming substrate bonded to the vibrating plate and including a first inclined surface as a side surface on which a first wiring electrically connected to the first terminal is formed and that is inclined to a plate surface; and a wiring substrate bonded to the vibrating plate and including a second inclined surface as a side surface on which a second wiring electrically connected to the second terminal is formed and that is inclined to a plate surface along the first inclined surface.

Abstract: A solid state imaging device includes: solid state imaging elements having a first electrode, a ferroelectric layer, and a transparent second electrode laminated together, and a PN junction between the ferroelectric layer and the first or second electrode; a controller acquiring brightness information of an imaging target, and determining whether each solid state imaging element is set to operate in a high or low sensitivity mode based on the brightness information; and a circuit applying a voltage to the solid state imaging element based on the determination, and setting the solid state imaging element to operate in the high or low sensitivity mode, in which a photovoltaic current from the solid state imaging element which is set to operate in the high or low sensitivity mode is detected, and an image is acquired based on the detection result.

Abstract: A photoelectric conversion element includes a first electrode, a ferroelectric layer provided on the first electrode, and a second electrode provided on the ferroelectric layer, the second electrode being a transparent electrode, and a pn junction being formed between the ferroelectric layer and the first electrode or the second electrode.

Abstract: There is provided a defect inspection method capable of detecting a crack with high accuracy. The defect inspection method includes the steps of: obtaining a shot image comprising pixels; and scanning the shot image in predetermined directions, and assigning a high evaluation value to a pixel M for each scanning direction when the luminance of the pixel M is lower than the luminances of first adjacent pixels K, O, located on both sides of the pixel M in the scanning direction and, in addition, the luminance of each of second adjacent pixels C, W, located on both sides of the pixel M in a direction perpendicular to the scanning direction, is lower than the luminances of third adjacent pixels A, E or U, Y located on both sides of the second adjacent pixel in the scanning direction.

Abstract: The Present invention provides an arc melting furnace apparatus and a method of controlling arc discharge, in which a melt material having been melted can be stirred efficiently, avoiding labor intensive work. The furnace is provided with a mold 3 having a recess 3a and provided in a melting chamber 2, a non-consumable discharge electrode 5 for heating and melting a melt material accommodated in the recess 3a, a power source unit 10 for supplying electric power to the non-consumable discharge electrode 5, and a control device 11 which controls the power source unit to control output intensity of the arc discharge from the non-consumable discharge electrode. The control device 11 controls output current from the power source unit 10 and its current frequency to vary the output intensity of the arc discharge from the non-consumable discharge electrode 5 and stir a molten metal resulting from heating and melting the melt material.

Abstract: A droplet discharge head includes: a vibrating plate on which first and second terminals are formed; a reservoir forming substrate bonded to the vibrating plate and including a first inclined surface as a side surface on which a first wiring electrically connected to the first terminal is formed and that is inclined to a plate surface; and a wiring substrate bonded to the vibrating plate and including a second inclined surface as a side surface on which a second wiring electrically connected to the second terminal is formed and that is inclined to a plate surface along the first inclined surface.

Abstract: A metal powder production method and a metal powder production device capable of reducing the size of the device, reducing costs, and obtaining spherical metal powder are provided. Supply means supplies a downward flow of molten metal, and a plurality of jet burners emit flame jets to the downward flow of the molten metal supplied from the supply means. Each of the jet burners is provided to emit the flame jet from the same angle and from each of positions rotationally symmetrical with each other with respect to the downward flow of the molten metal.

Abstract: An arc melting furnace apparatus is provided which reduces an operation burden on a worker and shortens working hours. An arc melting furnace apparatus 1 includes a housing 2 having formed therein a melting chamber 2a, a hearth 4 provided within the melting chamber 2a and having a recessed portion 4a, and a heating mechanism 10 for heating and melting a metal material supplied into the recessed portion 4 to generate an alloy ingot. The apparatus comprises a turning member 23 rotatably supported on a supporting member 21 standing within the melting chamber 2a, a perimeter edge of the turning member 23 rotating and moving along the inner surface of the recessed portion 4a to lift the alloy ingot generated in the recessed portion 4a above the hearth 4 and turn it over, and a resilient turn-over assisting member 24 provided above an upper end of the recessed portion 4a.