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US 6,299,087 B1Granted
Data cartridge having a reduced static charge
AssigneeSony Corporation
InventorOsamu Koizumi
Life of this patent
Estimating the term…
Abstract
The surface of the base plate of the data cartridge is treated with chromate so as to coat the surface with a conductive film, with which the grounding means such as the elastic arms and cartridge positioning rollers provided on the chassis of the data cartridge drive come in contact when the data cartridge is loaded in a data cartridge drive.
Claims4
An improved tape cartridge having a metallic base plate;
- a magnetic tape loaded in said cartridge;
- and
- a feeding mechanism mounted on said base plate for feeding said magnetic tape across a magnetic head to record and reproduce data,
- the improvement comprising:
- an electrically conductive film coating each surface of said metallic base plate, wherein said metallic base plate is made of aluminum and said electrically conductive film on each surface of said metallic base plate is formed by chromate treatment.
2 more elements
Dependencies are inferred from the claim text.