摘要:
A glass substrate is for use in a magnetic disk. The glass substrate is formed by using a plate-like glass produced by a float method and having a pair of main surfaces. One surface of the main surfaces, which is formed with a tin layer when producing the plate-like glass by the float method, is caused to serve as a surface not for use in magnetic recording and the other surface formed with no tin layer is caused to serve as a surface for use in magnetic recording.
摘要:
A magnetic disk substrate manufacturing method of this invention includes a main surface polishing process that polishes disk-shaped glass substrates by the use of a polishing machine having a carrier pressed between a pair of polishing surface plates and adapted to make an orbital motion while rotating on its axis in a state of holding the disk-shaped glass substrates. In the polishing machine, the carrier is placed in a state where a plate-like member is disposed on one side of main surfaces of the disk-shaped glass substrate, so that only the other side of the main surfaces of the disk-shaped glass substrate is polished while allowing the one side of the main surfaces of the disk-shaped glass substrates to be a non-polishing main surface.
摘要:
In a magnetic disk substrate having first and second chamfered faces respectively connecting between first and second main surfaces opposite to each other and an edge face located between the first and second main surfaces, the ranges of the first and second chamfered faces are specified. Specifically, the distance a from a first boundary portion being a boundary between the first main surface and the first chamfered face to a point of intersection between the first main surface and an extended line of the edge face and the distance b from a second boundary portion being a boundary between the second main surface and the second chamfered face to a point of intersection between the second main surface and an extended line of the edge face are set to satisfy a/b≧1.6.
摘要:
In a liquid crystal display apparatus, an angle of orientation of a first extension orientation of a first slit is not greater than an angle of orientation of a first director orientation, an angle of orientation of a second extension orientation of a second slit is not smaller than an angle of orientation of a second director orientation, and a difference between the angle of orientation of the second extension orientation and the angle of orientation of the second director orientation is greater than a difference between the angle of orientation of the first extension orientation and the angle of orientation of the first director orientation.
摘要:
A binding apparatus performs a binding process by bonding the end side of the sheet bundle, and is provided with a notch cutter that forms a notch in the end side used in the sheet binding process in the middle of the sheet conveyance path of the binding apparatus. The notch forming unit includes a pair of sheet conveyance guides for forming a part of the sheet conveyance path, a cutter provided in a rotatably supported bracket, and a biasing means for applying a force to the cutter to face the sheet conveyance path formed by a pair of the sheet conveyance guides at all times.
摘要:
A plasma processing apparatus includes an radio frequency (RF) power supply for applying an RF power for generating a plasma to at least one of an upper and a lower electrode which are disposed to face each other in a processing chamber, a high voltage power supply for applying a high voltage to the lower electrode to electrostatically adsorb the substrate to be held thereon and a control unit for controlling the RF power supply and the high voltage power supply. The control unit controls the high voltage power supply so as to apply a high voltage equal to or less than −1500 V to the lower electrode.
摘要:
Guard electrodes 2 which are electrically connected with a conductive portion of a cooling water passage 23 through connection lines 3 are respectively provided in the middle of a water inlet pipe 1 connected with a water inlet master pipe 10 and a water outlet pipe 6 connected with a water outlet master pipe 13 in M pieces of semiconductor laser units 4. At this time, since the guard electrode 2 has a potential equal to the conductive portion of the cooling water passage 23, the electric current hardly flows between the guard electrode 2 and the conductive portion of the cooling water passage 23. As a result, rusting is inhibited in the M pieces of semiconductor laser units 4, and a clogged piping is prevented in the cooling water passage 23.
摘要:
An electron-microscope image viewing apparatus capable of measuring of a moving speed or a vibration frequency of an atomic structure, a magnetic structure, an electric structure or the like of a specimen even when the structure changes at a high rate. The apparatus includes a charged particle source for emitting charged particles, an illuminating electron lens system for illuminating a specimen with a beam of the charged particles, an image magnifying/projecting lens system for magnifying an image of the specimen formed by charged particles scattered upon transmission through the specimen and projecting the magnified image onto an image forming plane, at least one charged particle extracting means provided on the image forming plane of the image magnifying/projecting lens system for taking out the charged particles from a predetermined portion of the charged particle beam projected onto the image forming plane, at least one charged particle detector for detecting the charged particles taken out through the charged particle extracting means, and a signal processing means for processing a signal outputted from the charged particle detector.
摘要:
A system disclosed in the present invention comprises a video A/D converter for converting an analog video signal to a digital video signal, a sync separator for detecting a sync signal period of the analog video signal, an invalid data stream detector for detecting an invalid data stream of a digital sub-signal having the invalid data stream added thereto at a predetermined period, a selector for selecting the bits of the digital sub-signal, the digital video signal and a sync pattern in accordance with the detection outputs of the invalid data stream detector and the sync separator, and an encoder for converting the output of the selector to a serial signal.
摘要:
A thin film magnetic head comprises a flying slider and a thin film transducer. The flying slider is formed as a polygonal body having a first face constituting a flying face and a second face normal to the first face, on which second face the thin film magnetic transducer is formed. The flying slider is made of a material containing Al.sub.2 O.sub.3 -TiC as the main constituent thereof and on the flying face of the slider is formed Al.sub.2 O.sub.3 -TiO.sub.2. The flying face exhibits an improved sliding property, while enabling use of the excellent features of Al.sub.2 O.sub.3 -TiC in forming the thin film element as well as in machining the flying slider. The slider can be produced by subjecting the flying face of the slider made of a material containing Al.sub.2 O.sub.3 -TiC to a gas phase reaction with an oxygen containing gas. Alternatively, a portion of the flying face can be removed and a layer of Al.sub.2 O.sub.3 -TiO.sub.2 deposited upon the surface of the flying face.
摘要翻译:薄膜磁头包括飞行滑块和薄膜换能器。 飞行滑块形成为具有构成飞面的第一面和与第一面垂直的第二面的多边形体,第二面形成有薄膜磁换能器。 飞行滑块由以Al2O3-TiC为主要成分的材料制成,滑块的飞面形成Al2O3-TiO2。 飞面具有改善的滑动性能,同时能够在形成薄膜元件以及加工飞行滑块中使用Al2O3-TiC的优异特征。 可以通过使由含有Al 2 O 3 -TiC的材料制成的滑块的飞面与含氧气体进行气相反应来制造滑块。 或者,可以去除飞面的一部分并且沉积在飞面表面上的Al 2 O 3 -TiO层。