The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1994
Filed:
Jul. 26, 1993
Applicant:
Inventors:
Juergen Leppert, Inning A. Holz, DE;
Wolfgang Rossner, Holzkirchen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 264 21 ;
Abstract
For manufacturing a scintillator ceramic of a rare earth oxisulfide, a pigment powder is compressed by single-axis hot-pressing to form a ceramic member having at least 99.9% of the theoretic density, the pigment powder having the general formula (M.sub.1 xLn.sub.x).sub.2 O.sub.2 S, whereby M denotes at least one element from the group Y, La and Gd, Ln represents at least one element from the group Eu, Ce, Pr, Tb, Yb, Dy, Sm and Ho, and whereby 1.times.10.sup.-6 .ltoreq.x.ltoreq.2.times.10.sup.-1, and the powder having a specific surface according to BET of at least 10 m.sup.-2 /g.