X-ray or gamma ray systems or devices – Photographic detector support – Sheet film cassette
Patent
1993-06-30
1995-02-07
Porta, David P.
X-ray or gamma ray systems or devices
Photographic detector support
Sheet film cassette
378182, 378188, G03B 4116
Patent
active
053881400
ABSTRACT:
A film cassette comprising a base and a cover adapted to close upon and cooperate with the base. A pressure plate is disposed between the cover and the base. The cover, base and pressure plate form a light-tight space for receiving a sheet of film. At least one biasing member is provided for biasing the pressure plate against the base when the cover is closed on the base. The pressure plate and base each having a configuration such that when the cassette is closed, a predetermined pressure distribution is applied to a sheet of film placed in the cassette. There is also provided a method of making a cassette which includes steps for defining a specific shape for the fabricated cassette such that the cassette will provide improved performance during use.
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Eastman Kodak Company
Noval William F.
Porta David P.
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