Radiant energy – Radiant energy generation and sources
Reexamination Certificate
2005-07-19
2005-07-19
Lee, John R. (Department: 2881)
Radiant energy
Radiant energy generation and sources
C250S492220, C250S385200, C340S286080
Reexamination Certificate
active
06919575
ABSTRACT:
Radioactive sources are made from a foil (10) containing radioactive material, by cutting out hexagonal foil elements (12) from the foil, leaving no uncut portions of foil between adjacent hexagonal foil elements. This significantly induces wastage of radioactive foil.
REFERENCES:
patent: 3611850 (1971-10-01), Elliot et al.
patent: 4187432 (1980-02-01), Mileham
patent: 1557187 (1979-12-01), None
Aba Technology PLC
Hashmi Zia R.
Holt William H.
Lee John R.
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