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:
Feb. 08, 2005
Filed:
Feb. 02, 2001
Applicant:
Andreas Bergmann, Haiming, DE;
Inventor:
Andreas Bergmann, Haiming, DE;
Assignee:
EPCOS AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L041/08 ;
U.S. Cl.
CPC ...
Abstract
An interdigital transducer for a surface acoustic wave includes an acoustic track with a width of BSand subtransducers arranged adjacent to each other on the acoustic track and connected in series. The subtransducers include, in a transverse direction, n series subtransducers each having a track width of BS(i=1, 2, . . . n(x); n (x)≧2). In the subtranducersBSdoes not equal BS.