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Collimation device for irradiation apparatus

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专利汇可以提供Collimation device for irradiation apparatus专利检索,专利查询,专利分析的服务。并且A collimation device for an irradiation apparatus comprising in particular a radioactive source having a generally flat shape constituted by a source-holder frame in which radioactive elements are disposed in spaced relation, characterized in that it comprises a mask having open portions which is placed in parallel relation in front of at least one face of said source and in proximity thereto, said mask being made up of a series of screens formed of absorbent material and adapted to project in the direction of packages to be irradiated which pass in front of said source, each screen having a transverse cross-section which decreases from said source towards said packages.,下面是Collimation device for irradiation apparatus专利的具体信息内容。

1. An irradiation apparatus comprising: means for generating radiation to be directed at a material to be irradiated comprising a plurality of radiation elements substantially linear in one direction and arranged parallel to each other; and means for masking portions of said generated radiation, including a plurality of screens made of absorbent material and being linear in said one direction, the entirety of each screen being located between and spaced apart from said radiation generating means and said material, the transverse cross section of each of said screens decreasing from said radiation generating means toward said material.
2. An apparatus according to claim 1, wherein each of said radiation elements comprises a radiation generating rod and wherein each of said screens comprises a triangular-base prism.
3. An apparatus according to claim 2, wherein the respective faces of said triangular-base prisms are substantially parallel to each other.
4. An apparatus according to claim 1, further including means for moving said material to be irradiated past said radiation generating means in a direction substantially parallel to a plane extending throughout said radiation generating means.
5. An apparatus according to claim 4, wherein the direction of movement of said material is non-parallel to said one direction.
6. An irradiation apparatus comprising: means for generating radiation to be directed at a material to be irradiated including a plurality of substantially point sources arranged in a matrix array; and means for masking portions of said generated radiation, including a plurality of screens made of absorbent material, the entirety of each screen being located between and spaced apart from said radiation generating means and said material, the transverse croSs section of each of said screens decreasing from said radiation generating means toward said material.
7. An apparatus according to claim 6, wherein each respective screen comprises an absorbent material formed in the shape of a truncated pyramid surrounding each point source.
8. An apparatus according to claim 6, wherein each respective screen comprises an absorbent material formed in the shape of a truncated column surrounding each point source.
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