摘要:
An actuator includes a base member and an electro-mechanical transducer element including a first electrode, an electro-mechanical transducer film, and a second electrode. Further, the base member includes a thin wall part having a concave shape, the electro-mechanical transducer film is formed in a manner such that a film thickness of the electro-mechanical transducer film is gradually reduced from a center part of the electro-mechanical transducer film to both end parts of the electro-mechanical transducer film in at least one direction crossing a film thickness direction of the electro-mechanical transducer film.
摘要:
A method of making a liquid discharge head which includes a nozzle to discharge liquid, a pressure chamber communicating with the nozzle, a pressure chamber substrate to form surfaces of the pressure chamber, and a piezoelectric actuator to apply pressure to liquid in the pressure chamber having a lower electrode, a ferroelectric film, and an upper electrode, includes a silicon wafer supplying process, a position adjustment process, a surface treatment process to reform a surface of the lower electrode, a liquid applying process to apply ferroelectric precursor on the lower electrode by an inkjet method, a heating process to heat the ferroelectric precursor film, and a cooling process. A series of processes from the position adjustment process to the cooling process is iterated to form a ferroelectric film having a predetermined thickness. The series of processes is performed with certain waiting times inserted between key processes.
摘要:
A thin film forming apparatus which automatically forms, on an electrode layer formed on a substrate, a functional thin film which is crystallized from a precursor layer is disclosed, including a water-repellant film forming unit which forms, on a region other than a region on which is to be formed the functional thin film on the electrode layer, a water-repellant film which includes a self-assembled monolayer; an inkjet coating unit which coats, on the region on which is to be formed the functional thin film on the electrode layer, the precursor layer by an inkjet method; and a controller which controls, to within a predetermined time, a time from forming the water-repellant film with the water-repellant film forming unit to coating the precursor layer with the inkjet coating unit.
摘要:
An electromechanical transducer element includes a first electrode on a substrate, an electromechanical transducer film on the first electrode, and a second electrode on the electromechanical transducer film. The electromechanical transducer film includes a thin line pattern. The thin line pattern includes a plurality of thin lines that are spaced away from each other.
摘要:
Disclosed is a method of fabricating an electromechanical transducer film. The method includes treating a surface of a first electrode to be liquid-repellent, the first electrode being formed on one surface of a substrate, irradiating the surface of the first liquid-repellent electrode with an energy ray while moving an irradiation position in accordance with a shape of the electromechanical transducer film to be formed and a shape of an alignment mark to be formed, and forming the alignment mark by applying an application liquid to an area including a portion irradiated with the energy ray in accordance with the shape of the alignment mark in the irradiating step, the application liquid being applied by an inkjet method.
摘要:
An electro-mechanical transducer element is disclosed. The electro-mechanical transducer element includes a first electrode formed on a substrate; an electro-mechanical transducer film formed on at least a part of the first electrode; and a second electrode formed on at least a part of the electro-mechanical transducer film. In at least one cross section of the electro-mechanical transducer film, a film thickness distribution shape is convex to the second electrode side.
摘要:
A thin film forming apparatus which automatically forms, on an electrode layer formed on a substrate, a functional thin film which is crystallized from a precursor layer is disclosed, including a water-repellant film forming unit which forms, on a region other than a region on which is to be formed the functional thin film on the electrode layer, a water-repellant film which includes a self-assembled monolayer; an inkjet coating unit which coats, on the region on which is to be formed the functional thin film on the electrode layer, the precursor layer by an inkjet method; and a controller which controls, to within a predetermined time, a time from forming the water-repellant film with the water-repellant film forming unit to coating the precursor layer with the inkjet coating unit.
摘要:
An electronic device includes a substrate; and a plurality of thin-film elements formed on the substrate. Further, the thin-film element includes a thin-film section having a function selected from a group including piezoelectric effect, inverse piezoelectric effect, charge storage, semiconductivity, and conductivity, and the plurality of thin-film elements includes the thin-film sections having two or more different functions.
摘要:
An electro-mechanical transducer element is disclosed. The electro-mechanical transducer element includes a first electrode formed on a substrate; an electro-mechanical transducer film formed on at least a part of the first electrode; and a second electrode formed on at least a part of the electro-mechanical transducer film. In at least one cross section of the electro-mechanical transducer film, a film thickness distribution shape is convex to the second electrode side.
摘要:
A method of making a liquid discharge head which includes a nozzle to discharge liquid, a pressure chamber communicating with the nozzle, a pressure chamber substrate to form surfaces of the pressure chamber, and a piezoelectric actuator to apply pressure to liquid in the pressure chamber having a lower electrode, a ferroelectric film, and an upper electrode, includes a silicon wafer supplying process, a position adjustment process, a surface treatment process to reform a surface of the lower electrode, a liquid applying process to apply ferroelectric precursor on the lower electrode by an inkjet method, a heating process to heat the ferroelectric precursor film, and a cooling process. A series of processes from the position adjustment process to the cooling process is iterated to form a ferroelectric film having a predetermined thickness. The series of processes is performed with certain waiting times inserted between key processes.