Abstract:
According to embodiments, there is provided an electronic component unit, including: a circuit board including: a heat generating element that generates a heat; and a bonding metal foil layer formed on a face thereof; a heat transfer board including: a board body having a thermal conductivity higher than that of the circuit board; an insulative layer formed on a first face of the board body; and a heat transfer metal foil layer formed to cover the insulative layer; and a heat sink, wherein the circuit board is assembled with the heat sink via the heat transfer board such that (1) the heat transfer metal foil layer is soldered to the bonding metal foil layer and (2) the second face of the board body is superimposed on the heat sink.
Abstract:
In one embodiment, a magnetic head includes at least one magnetic head element for reading from and/or writing to a magnetic medium, the element having an air bearing surface (ABS) facing toward a magnetic medium, an adhesive film including silicon nitride above the ABS having a characteristic of being formed under a water vapor partial pressure, and a protective film above the adhesive film, the protective film including carbon. Also, in another embodiment, a method includes forming an ABS of a magnetic head, the ABS being a surface of the magnetic head which is closest to a magnetic medium when in use, forming an adhesive film above the ABS of the magnetic head, the adhesive film being formed under a water vapor partial pressure, and forming a protective film above the adhesive film, the protective film including carbon.
Abstract:
A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55.degree.-85.degree.. To form such a rail, ion milling is conducted; the rail substrate used is allowed to have an inclination angle to 15.degree.-60.degree. and is rotated; and there is used, as the ion milling gas, a fluorinated hydrocarbon (e.g. CH.sub.2 FCF.sub.3) gas alone or a mixed gas of said fluorinated hydrocarbon gas and Ar, SF.sub.6 or the like. Accordingly, a magnetic head rail shape gives a small variation in flying height between magnetic head and magnetic disc.
Abstract:
There is disclosed a method for inspecting a physical feature on a surface of a manufactured article. First, a sensor is provided adjacent to the article. Then, the surface of the article is sensed by the sensor while causing one of the sensor and the article to rotate about an axis perpendicular to the surface of the article, to thereby obtain a signal which has peaks corresponding to the physical feature on the surface of the article. Subsequently the signal is processed and the processed signal is analyzed based on the number of the peaks, to thereby obtain information as to the physical feature on the surface of the article. An inspection apparatus suitable for practicing the above-mentioned method is also disclosed.
Abstract:
According to one embodiment, a method for manufacturing a magnetic device includes forming a protective film above a structure, wherein at least one of hydrogen and water vapor are introduced into a formation chamber during formation of the protective film. In-another embodiment, a magnetic head includes at least one of: a read element, a write element, a heater element, and a resistance detector element above a substrate, conductive terminals for each of the at least one of: the read element, the write element, and the heater element, and a protective film above the at least one of: the read element, the write element, and the heater element, wherein the protective film comprises at least one of hydrogen and water vapor.
Abstract:
To promote reduction in thickness of an air bearing surface protective film of a magnetic head, a magnetic head having an air bearing surface protective film consisting only of a thin carbon film while excluding formation of a dead layer by ion incidence as less as possible to the read/write device, and a manufacturing method therefore, are provided. In an embodiment, an air bearing surface protective film of a magnetic head comprises a thin carbon film, in which the mass density a lowermost layer of the air bearing surface protective film on the side of a magnetic device is made lower compared with a thin carbon film constituting other adjacent layers. Further, the manufacturing method comprises deposition under the control of time for the incident angle of ion flow to a substrate to be processed and deposition under the control of time for the ion flow energy to a substrate to be processed
Abstract:
The invention presents a rendition control apparatus that not only reduces processing so that processing is neither complicated nor complex, but also reduces the used storage region. The rendition control apparatus allows for differences in the timing over the passage of time when reproducing and rendering a continuous sound waveform, and renders sound waveforms naturally and with good rhythm, while making it possible to change the reproduction tempo freely. The rendition control apparatus includes a waveform data storage means for storing waveform data rendered at a certain tempo; a reproduction tempo information production means for producing reproduction tempo information indicating a reproduction tempo; a time-axis compression/expansion processing means for compressing/expanding and reproducing the waveform data stored in said waveform data storage means in real-time on the time axis, based on reproduction tempo information produced by said reproduction tempo information production means; a control signal production means for producing a control signal for modulating periodically with the passage of time the reproduction with the time-axis compression/expansion processing means, based on the reproduction tempo information. Reproduction tempo information produced by said reproduction tempo information production means are entered into said control signal production means, and said control signal production means produces, as the control signal, a periodical signal whose period corresponds to the entered reproduction tempo information.
Abstract:
A process for producing a magnetic head slider with at least one rail having an air bearing surface. The process includes the steps of disposing a non-metallic film on a work surface to be shaped of a magnetic head slider material so as to be in intimate contact with the work surface, patterning the non-metallic film disposed on the work surface into at least one predetermined rail shape, shaping the work surface of the magnetic head slider material utilizing the patterned non-metallic film as a mask, and stripping off the patterned non-metallic film utilized as a mask which remains on the work surface of the slider material so as to provide at least one shaped slider rail of the magnetic head slider.
Abstract:
A large output discharge lamp comprising rod-like electrodes having confronting ends defining therebetween the discharge gap and being disposed in a bulb body. The other ends of the electrodes extend sealingly into two oppositely extending side tube which are integrally formed with the bulb body. Molybdenum foils are connected respectively with the electrodes and disposed and sealed respectively in the side tubes. Flexible metal pieces are respectively connected with the molybdenum foils and are disposed in the side tubes and outwards of the molydenum foils. Lead rods are connected respectively with the flexible metal pieces through molybdenum cups and disposed in the side tubes. The outer end portions of the side tubes are sealed and bases are respectively mounted thereon which are connected to the lead rods respectively.
Abstract:
In one embodiment, a magnetic head includes at least one magnetic head element for reading from and/or writing to a magnetic medium, the element having an air bearing surface (ABS) facing toward a magnetic medium, an adhesive film including silicon nitride above the ABS having a characteristic of being formed under a water vapor partial pressure, and a protective film above the adhesive film, the protective film including carbon. Also, in another embodiment, a method includes forming an ABS of a magnetic head, the ABS being a surface of the magnetic head which is closest to a magnetic medium when in use, forming an adhesive film above the ABS of the magnetic head, the adhesive film being formed under a water vapor partial pressure, and forming a protective film above the adhesive film, the protective film including carbon.