JPH0427949U - - Google Patents

Info

Publication number

JPH0427949U

JPH0427949U JP6838690U JP6838690U JPH0427949U JP H0427949 U JPH0427949 U JP H0427949U JP 6838690 U JP6838690 U JP 6838690U JP 6838690 U JP6838690 U JP 6838690U JP H0427949 U JPH0427949 U JP H0427949U

Authority

JP

Japan

Prior art keywords

wedge filter

collimator

opening degree

irradiation field

filter

Prior art date

1990-06-27

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 230000005855 radiation Effects 0.000 claims description 4
• 239000002245 particle Substances 0.000 claims 2
• 230000004907 flux Effects 0.000 claims 1
• 238000009434 installation Methods 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1
• 230000001225 therapeutic effect Effects 0.000 claims 1
• 238000001514 detection method Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1