摘要:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a ceramic having excellent piezoelectric characteristics regardless of using a sintering aid, and to provide a piezoelectric actuator having the ceramic manufacture by the manufacturing method. SOLUTION: The method of manufacturing the ceramic includes: a step of preparing a barium titanate particle; a step of mixing the barium titanate with a first solution containing an organic component to obtain a mixture; a step of obtaining a first molding from the mixture; a step of: heat-treating the first molding to obtain a second molding; a step of preparing a second solution containing an organic metallic compound; a step of immersing the second molding into a second solution to obtain a third molding; and a step of firing the third molding. COPYRIGHT: (C)2011,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a heater achieving low power consumption by reducing the heat capacity of the entire heater while securing rigidity necessary for the heater, and to provide a fixing device achieving low power consumption and the shortening of warming-up time, and an image forming apparatus equipped with the fixing device. SOLUTION: The heater 93 has a heating element 93A energized to generate heat and formed like a belt or a plate, and an insulating layer 93B formed on the heating element 93A. The plurality of heating elements 93A are laminated through the insulating layers 93B. It is desirable that the plurality of heating elements 93A are connected in series. It is desirable that the plurality of heating elements 93A are constituted of one belt-like member formed integrally, and are laminated by folding the belt-like member. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide an electrode improved in durability and achieving the high-current energizing of a rotating body, a roller unit equipped with the electrode, a fixing device achieving the shortening of a warming-up time, and an image forming apparatus equipped with the roller unit. SOLUTION: A bearing 93 (electrode) for energizing a fixing roller 91 disposed rotatably has a fixed electrode 93A, a rotary electrode 93B opposed to the fixed electrode 93A through a gap and rotating together with the fixing roller 91, and a dispersion liquid 93F with which a filling part 93D formed in the gap is filled and which is obtained by dispersing fine powder having conductivity to a dispersion medium. The fixed electrode 93A and the rotary electrode 93B are constituted to conduct through the dispersion liquid 93F. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a liquid ejection head in which the environmental load is reduced and occurrence of cracking is minimized, and to provide a liquid ejection apparatus, and a piezoelectric element.SOLUTION: The liquid ejection head comprises a piezoelectric element 300 including an elastic membrane 50, an adhesion layer 56, a first electrode 60, a piezoelectric layer 70, and a second electrode 80. The piezoelectric layer 70 is composed of a complex oxide of perovskite structure containing at least bismuth, barium, iron, and titanium. The molar ratio (Ti/Ba) of titanium and barium is 1.17 or more and 1.45 or less.
摘要:
PROBLEM TO BE SOLVED: To provide a liquid ejection head manufacturing method, a liquid ejection device, and a piezoelectric element manufacturing method, with which an environmental load is reduced and occurrence of a leak current is suppressed.SOLUTION: A first electrode 60 is formed. An application liquid 71 is applied onto the first electrode 60, the application liquid 71 including an organic metallic compound, which forms a complex oxide containing bismuth, ferrum, manganese, potassium, and titanium through baking, and polyvinylpyrrolidone. A piezoelectric layer 72 made of a complex oxide having a perovskite-type structure is formed by baking the application liquid 71. A second electrode is formed on the piezoelectric layer 72.
摘要:
PROBLEM TO BE SOLVED: To provide a carrier film for forming a green sheet, reducing drying unevenness of the green sheet and excelling in drying efficiency, a method and apparatus for manufacturing the green sheet, reducing drying unevenness of the green sheet and excelling in drying efficiency, and a liquid jetting head and a liquid jetting apparatus using the green sheet. SOLUTION: The carrier film 20 for forming the green sheet includes a first support film 12, a resistance heating layer 14 formed above the first support film, and a second support film 16 formed above the resistance heating layer 14. The resistance heating layer 14 has exposed parts 14a, 14b at both ends of the lower face. COPYRIGHT: (C)2011,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a discharge lamp having a longer lifetime compared with a conventional one by further suppressing devitrification and blackening of an arc tube which is caused by using it for a long time, a light source device, and a projection type display device. SOLUTION: This discharge lamp has an arc tube 111 made of silica glass, a pair of tungsten electrodes 112 disposed face to face in the arc tube 111, and a metal film 117 made of a metal material having affinity for oxygen which is higher than that of tungsten while covering the surface of a pair of the tungsten electrodes 112. COPYRIGHT: (C)2009,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a heating element having slidability, durability and high heat conductivity as a heating element used in an image forming apparatus. SOLUTION: The heating element 30 has a resistor 32 formed on an insulating substrate 31 and energized to generate heat, and an insulating layer 33 protecting the resistor 32, and BN (boron nitride) fine powder is dispersed in the insulating layer 33. COPYRIGHT: (C)2008,JPO&INPIT