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. 11, 2003
Filed:
Feb. 06, 2001
Applicant:
Inventors:
Richard A. Wachnik, Mount Kisco, NY (US);
Henry A. Nye, III, Brookfield, CT (US);
Charles R. Davis, Fishkill, NY (US);
Theodore H. Zabel, Yorktown Heights, NY (US);
Phillip J. Restle, Katonah, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/3552 ;
U.S. Cl.
CPC ...
H01L 2/3552 ;
Abstract
An integrated circuit, comprising: a semiconductor substrate, a plurality of last metal conductors disposed above said substrate, a bottom metallic layer disposed on said last metal conductors, a top metallic layer, and an alpha absorber disposed between said bottom and top metallic layers, said alpha absorber consisting essentially of a high-purity metal which is an alpha-particle absorber. The metal is, for example, of Ta, W, Re, Os or Ir.