RADIOACTIVE RAY GENERATING APPARATUS AND RADIOACTIVE RAY IMAGING SYSTEM

Title:

RADIOACTIVE RAY GENERATING APPARATUS AND RADIOACTIVE RAY IMAGING SYSTEM

Document Type and Number:

WIPO Patent Application WO/2011/105035

Kind Code:

A3

Abstract:

A radioactive ray generating apparatus includes a second shielding member, a target, and a first shielding member, which are sequentially disposed from an electron emission source side. A shortest distance from a maximum radiation intensity portion of the target to the first shielding member is shorter than a shortest distance from the maximum radiation intensity portion of the target to the second shielding member.

Inventors:

MIYAZAKI KAZUYA (JP)
OGURA TAKAO (JP)
UEDA KAZUYUKI (JP)
SATO YASUE (JP)
NOMURA ICHIRO (JP)
AOKI SHUJI (JP)
TAMURA MIKI (JP)

Application Number:

PCT/JP2011/000936

Publication Date:

February 02, 2012

Filing Date:

February 21, 2011

Export Citation:

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Assignee:

CANON KK (JP)
MIYAZAKI KAZUYA (JP)
OGURA TAKAO (JP)
UEDA KAZUYUKI (JP)
SATO YASUE (JP)
NOMURA ICHIRO (JP)
AOKI SHUJI (JP)
TAMURA MIKI (JP)

International Classes:

H05G2/00; G21K1/02; G21K5/02; H01J35/08; H01J35/16; H01J35/18

Foreign References:

JP2006010335A	2006-01-12
US4198570A	1980-04-15
US20050078796A1	2005-04-14
US3124710A	1964-03-10
US3584219A	1971-06-08
EP0777255A1	1997-06-04
JP2004311245A	2004-11-04
GB762375A	1956-11-28
US20070058782A1	2007-03-15
JP2004111336A	2004-04-08
US3767931A	1973-10-23
US4121109A	1978-10-17

Other References: