Title:
RIDGE FILTER, AND ITS SURFACE SHAPE DETERMINING METHOD
Document Type and Number:
Japanese Patent JP2002119604
Kind Code:
A
Abstract:
To facilitate the processing of a ridge filter which has been a step shape, and also, provide performance which is equivalent to a conventional one.
The cross sectional shape of this ridge filter surface is formed into a continuous shape comprising a continuous straight line or curved line. In this case, the continuous shape has a flat surface section which is vertical to the bottom surface, at the base section.
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Inventors:
KOMURA ITSUNE
KATAOKA SHOJI
KATAOKA SHOJI
Application Number:
JP2001196160A
Publication Date:
April 23, 2002
Filing Date:
June 28, 2001
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
G21K3/00; A61N5/10; G21K5/04; (IPC1-7): A61N5/10; G21K3/00; G21K5/04
Attorney, Agent or Firm:
Satoshi Takaya (2 outside)
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