Radiant energy – Irradiation of objects or material
Patent
1988-07-06
1989-10-10
Berman, Jack I.
Radiant energy
Irradiation of objects or material
250504R, 2504551, C08J 718
Patent
active
048734462
ABSTRACT:
An irradiation device for the radiation polymerization of synthetic materials in denture parts is described, having an electric lamp as source for radiation in the short-wave visible and close ultraviolet spectral region, also having a receptacle defining an irradiation chamber for a denture part which is to be irradiated, and a concave reflector associated with the lamp to reflect the radiation of the lamp into the irradiation chamber, and the said irradiation device contains a xenon flashlight as an electric lamp which has a curved bulb which extend in two directions of a surface. The bulb of the flashlight preferably has the shape of a helix with approximately 11/2 windings and tangentially spaced straight ends. The reflector is preferably box-shaped and has an open narrow side through which the connection ends of the flashlight bulb extend. The receptacle is preferably a dish with a quadrangular cross-section made from PTFE which surrounds the denture part with a clearance.
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Jenkins et al., Fundamentals of Optics, 3rd Edition, 1957, pp. 284-285.
Kreitmair Albert
Nath Gunther
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