Okazaki, Japan
Okazaki, Japan

Noritake Co., Limited , commonly known as "Noritake," is a tableware and technology company headquartered in Nagoya, Aichi Prefecture, Japan. Wikipedia.

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Patent
Noritake Co. | Date: 2017-02-08

Provided is a method for polishing a single crystal substrate composed of gallium nitride GaN, which is a material that cannot be processed easily, by a CMP process with satisfactory polishing efficiency and satisfactory polishing performance. In the polishing by a CMP process, the surface of a single crystal substrate composed of gallium nitride GaN is polished using an abrasive-grain-containing polishing pad in the presence of an acidic polishing solution. In this manner, high polishing efficiency can be achieved properly while keeping the surface roughness at a low level. The polishing solution is an acidic polishing solution having an oxidation-reduction potential ranging from Ehmin mV (wherein Ehmin is a value determined in accordance with formula (1)) to Ehmax mV (wherein Ehmax is a value determined in accordance with formula (2)) and a pH value of 0.1 to 6.5. (1) Ehmin (mV) =-33.9pH + 750 (2) Ehmax (mV) = -82.1pH + 1491


Patent
Noritake Co. and Itron | Date: 2017-01-18

To provide a projected capacitive touch switch panel having sensor units that are easy to adjust and that minimally reflect visible light, and furthermore having adequate environment-resistance properties. A projected capacitive touch switch panel 1 comprising a glass substrate 2 that has a sensor unit 3 for performing detection along the X direction, and a glass substrate 4 that has a sensor unit 5 for performing detection along the Y direction, in which: the two glass substrates are laminated, and the sensor units are sandwiched between the glass substrates so as to face each other; each of the sensor units has a sensor electrode comprising an Al thin film, and a blackened film including at least one metal selected from Cr, Mo, and W; in the sensor unit 3 of the first glass substrate 2, the blackened film is formed on the surface opposite a touch surface of the glass substrate, and the Al thin film is formed on the blackened film; and in the sensor unit 5 of the second glass substrate 4, the Al thin film is formed on the surface of the glass substrate, and the blackened film is formed on the Al thin film.


Patent
Noritake Co. | Date: 2015-03-26

A polishing processing method using a CMP method for polishing a surface of a crystal material to be smooth by using a loose polishing abrasive grain type polishing pad in the presence of a polishing liquid and a plurality of polishing abrasive grains, in which the crystal material is a single crystal of GaN, and the polishing liquid is an oxidizing polishing liquid having an oxidation-reduction potential between Ehmin (determined by Eq. (1)) mV and Ehmax (determined by Eq. (2)) mV and pH between 0.1 and 6.5: Ehmin (mV)=33.9 pH+750 . . . (1) Ehmax (mV)=82.1 pH+1491 . . . (2).


Patent
Itron, Noritake Co. and Korg | Date: 2016-12-22

A vacuum tube includes a filament and two pairs of a grid and an anode. The filament is tensioned linearly and emits thermoelectrons. Both of the anodes are formed on a same face on a planar substrate. The filament is arranged parallel to the planar substrate at a position facing both of the anodes. Each of the grids is arranged, such that the grid faces the anode of a same pair at a first predetermined distance from the anode and has a second predetermined distance from the filament, between the anode and the filament. The vacuum tube further includes an intermediate filament fixing part fixing the filament at a position corresponding to an intermediate point between the anodes of the two pairs.


Patent
Itron, Noritake Co. and Korg | Date: 2016-01-19

The vacuum tube subject to the present invention comprises a filament and two pairs of a grid and an anode. The filament is tensioned linearly and emitting thermoelectrons. Both of the anodes are formed on the same face on a planar substrate. The filament is arranged parallel to the planar substrate at a position facing both of the anodes. Each of the grids is arranged, such that the grid faces the anode in the same pair at a first predetermined distance from the anode and has a second predetermined distance from the filament, between the anode and the filament. The vacuum tube comprises an intermediate filament fixing part fixing the filament at a position corresponding to an intermediate point between the anodes of the two pairs.


Patent
Itron and Noritake Co. | Date: 2016-01-19

An object of the present invention is to provide a vacuum tube with a structure close to that of an inexpensive and easily available vacuum fluorescent display which easily operates as an analog amplifier. A vacuum tube subject to the present invention comprises: a filament which is tensioned linearly and emits thermoelectrons, an anode arranged parallel to the filament, and a grid arranged between the filament and the anode such that the grid faces the anode. The present invention is characterized in that a distance between the filament and the grid is between 0.2 mm and 0.6 mm, including 0.2 mm and 0.6 mm.


Patent
Noritake Co. | Date: 2016-03-22

Provided is a flexible wiring board having high durability. The present invention provides a flexible wiring board including a flexible substrate and a conductive film formed on the flexible substrate. The conductive film contains a conductive powder and a curd product of a heat curable resin. The conductive film has pencil hardness of at least 2H, based on a pencil scratch hardness test in accordance with JIS K5600 5-4 (1999). The conductive film has adhesiveness of at least 95/100 by a 100 squares cross-cut test in accordance with JIS K5400 (1990).


An object of the present invention is to provide a powder for three-dimensional shaping that allows shaping a three-dimensional shaped object having excellent mechanical strength. The powder for three-dimensional shaping provided by the invention includes non-hydration reactive base particles and water-soluble bonding particles. Upon preparation of a slurry through addition of 50 parts by mass of water to 100 parts by mass of the powder, the viscosity of the slurry after 1 minute from addition of the water ranges from 30 mPas to 8000 mPas.


Patent
Toyota Motor Corporation, Noritake Co. and Yushiro Chemical Industry Co. | Date: 2016-04-13

Provided is a continuous-generation gear-wheel grinding method with which it is possible to produce highly accurate gear wheels with high efficiency by using a high-porosity vitrified grindstone and a water-soluble grinding fluid in continuous-generation gear-wheel grinding. This method uses: a vitrified grindstone (12) made by bonding abrasive grains with a vitrified bond in a state where pores are formed among the abrasive grains, wherein the grain size of the abrasive grains is from F120 to F180; and a water-soluble grinding fluid (GF) including a surfactant that improves cleaning performance and an extreme pressure additive that improves lubricity. Thus, the wearing of the vitrified grindstone (12) is reduced in continuous-generation gear-wheel grinding, and therefore, the dressing interval is extended, grinding interruption time is shortened, and grinding work efficiency is improved, and thus, it is possible to produce highly accurate gear wheels with high efficiency.


Patent
Noritake Co. | Date: 2015-04-22

Provided are: an alumina porous body having comparatively high strength even when fired at a comparatively low temperature, and having comparatively high porosity and comparatively large pore diameter; and a method for manufacturing the alumina porous body. Aggregate alumina particles (16) are bonded to each other by Y_(2)Si_(2)O_(7) (yttrium silicate), which is a compound (22) synthetized from mullite or kaolinite, which is a Si compound (18), and yttria, which is a rare-earth oxide (20). Therefore, even in a case when alumina particles (16) having a relatively large particle size, for example, within a range of 15-50 m, are sintered at a relatively low temperature, for example, a firing temperature of 1450C, the alumina particles (16) are bonded using Y_(2)Si_(2)O_(7), obtaining a good bonding strength, and therefore an alumina porous body (10) can be obtained having relatively high average radial crushing strength (MPa), relatively high porosity (%), and relatively large average pore diameter (m) even when fired at a relatively low temperature.

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