Magnetic tape cassette
AssigneeFuji Photo Film Co., Ltd.
InventorsMasato Mizuno, Kengo Oishi
Life of this patent
Estimating the term…
Abstract
A magnetic tape cassette in which critical parts subject to wear are coated with a hard coating such as an ultraviolet-cured resin. Among other effects, the generation of rubbed-off powder is reduced, thereby reducing the amount of data drop-out. Also, the case of the cassette is protected from damage.
Claims4
In a magnetic tape cassette comprising upper and lower cassette halves defining a hollow cassette case within which a magnetic tape, wound on a pair of hubs, is mounted so that the magnetic tape can run, the upper cassette half having a transparent window at an upper wall thereof, the improvement wherein the transparent window comprises a transparent synthetic resin plate sealing an opening formed through an upper wall of the upper cassette half, the synthetic resin plate being bonded to an edge portion of the opening by an ultraviolet-cured resin formed therebetween.
Dependencies are inferred from the claim text.