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1. WO2000039809 - FLAT STORAGE ELEMENT FOR AN X-RAY IMAGE

Publication Number WO/2000/039809
Publication Date 06.07.2000
International Application No. PCT/EP1999/009250
International Filing Date 29.11.1999
Chapter 2 Demand Filed 20.07.2000
IPC
G21K 4/00 2006.01
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
CPC
G21K 2004/04
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
04with an intermediate layer
G21K 2004/06
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
06with a phosphor layer
G21K 2004/08
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
08with a binder in the phosphor layer
G21K 2004/10
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
10with a protective film
G21K 4/00
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
4Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
Applicants
  • DÜRR DENTAL GMBH & CO. KG [DE/DE]; Höpfigheimer Strasse 17 D-74321 Bietigheim-Bissingen, DE (AllExceptUS)
  • THOMS, Michael [DE/DE]; DE (UsOnly)
Inventors
  • THOMS, Michael; DE
Agents
  • OSTERTAG, Ulrich ; Eibenweg 10 D-70597 Stuttgart, DE
Priority Data
198 59 880.723.12.1998DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) FLÄCHIGES SPEICHERELEMENT FÜR EIN RÖNTGENBILD
(EN) FLAT STORAGE ELEMENT FOR AN X-RAY IMAGE
(FR) ELEMENT PLAT D'ENREGISTREMENT POUR UNE IMAGE RADIOGRAPHIQUE
Abstract
(DE)
Eine Speicherfolie (10), die anstelle eines herkömmlichen Röntgenfilmes dazu dient, latente Röntgenbilder zu erzeugen, enthält durch ein Bindemittel (22) zusammengehaltene Speicherpartikel (20), in denen metastabile elektronische Anregungszustände erzeugt werden können. Die Brechungsindizes von Bindemittel (22) und Speicherpartikel (20) sind gleich groß gewählt, so daß sich durch Speicherpartikel (20) und Bindemittel (22) gebildete Speicherschicht (12) wie ein optisch homogener Körper verhält.
(EN)
Storage film (10) serving to produce latent X-ray images in lieu of conventional X-ray film, containing storage particles (20) which are held together by a binding agent (22) and in which metastable electronic excited states can be produced. The refractive index of the binding agent (22) and the storage particles (20) are selected in such a way that they are equally high so that the storage layer (12) formed by the storage particles (20) and the binding agent (22) behave like an optically homogenous body.
(FR)
Feuille (10) d'enregistrement qui, au lieu d'un film radiographique classique, sert à produire des images radiographiques latentes. Ladite feuille contient des particules d'enregistrement (20), maintenues par un liant (22), dans lesquelles peuvent être produits des états d'excitation électroniques métastables. L'indice de réfraction du liant (22) et des particules d'enregistrement (20) est choisi de manière à être identique, si bien que la couche d'enregistrement (12) formée par les particules d'enregistrement (20) et le liant (22) se comporte comme un corps optiquement homogène.
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