US Patent 7881013 Recording tape cartridge
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Patent abstract
A recording tape cartridge houses a reel including a hub around which recording tape is wound and at least part of which is formed by a resin. The rigidity (modulus of elasticity) y in the radial direction of the hub and the creep deformation ratio x of the recording tape satisfy the conditions of y≧87.3 exp(21.6x) and x>0.1. By setting the rigidity of the reel hub to match the creep deformation ratio of the recording tape so as to satisfy this relationship, creep deformation of the recording tape can be controlled at the smallest cost.
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Patent Inventor Names
Minoru Sueki0
Ren Ishikawa0
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US Patent 07881013 Recording tape cartridge US Patent 7881013 Recording tape cartridge
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Patent Number
07881013
Patent Number
7881013
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Official Website
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US Patent 07881013 Recording tape cartridge
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Is a
Patent jurisdiction
Patent number
07881013
Date of patent
February 1, 2011
Patent application number
12016229
Date Filed
January 18, 2008
Patent primary examiner
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