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371results about "Reconditioning/cleaning record carriers" patented technology

Magnetic tape, its cleaning method, and optical servotrack forming/cleaning apparatus

A magnetic tape which comprises a nonmagnetic support, a magnetic layer which is formed on one surface of the nonmagnetic support, and a backcoat layer which comprises a binder and nonmagnetic powder containing carbon black as a component and which is formed on the other surface of the nonmagnetic support, having pits for optical servo formed thereon, characterized in that the average of the reflectance on the flat portion of the backcoat layer is 8.5% or higher, and that the maximum rate of fluctuation of the reflectance on the flat portion, depending on a position of the magnetic tape:[Maximum of absolute value of (Reflectance−Average reflectance)]×100 / (Average reflectance)is 10% or lower. This magnetic tape is high in the initial S / N of the servo signal, and also high in the S / N of the servo signal found after the magnetic tape is run twice.
Owner:FUJIFILM CORP

Optical connector cleaning tool

An optical connector clearing tool (1) includes a holder (2), cleaner (5), and cap (6). The holder (2) includes, e.g., a cylindrical slider (10), a cylindrical body (12) installed to be rotatable and movable in the axial direction with respect to the slider (10), and a slider return spring (13) which biases the body (12) forward to return the slider (10) to the initial position. The slider (10) has a pair of elastic pieces (16) having guide projections (17). In the outer circumferential surface of the body (12), spiral grooves (25, 26) with which the guide projections (17) engage are formed within the angular range of 360°. When the slider (10) moves forward, the body (12) rotates by the cam action of the guide projections (17) and spiral grooves (25, 26). The cleaner (5) includes, e.g., a cleaning thread (41) accommodated in a rotary pod (40), a supply reel (42), a take-up reel (43), and a cleaning pin (44), and is connected to the body (12). The rotary pod (40) and cleaning pin (44) rotate together with the body (12), and the cleaning thread (41) supplied to the distal end face of the cleaning pin (44) cleans the connection surface of an optical connector. The cleaning thread (41) is supplied from the supply reel (42) and taken up to the take-up reel (43) by being given tension by the rotation of the cleaner (5).
Owner:NTT ADVANCED TECH
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