(19)
(11)
EP 0 900 453 A1
(12)
(43)
Date of publication:
10.03.1999
Bulletin 1999/10
(21)
Application number:
97926580.0
(22)
Date of filing:
16.05.1997
(51)
International Patent Classification (IPC):
H01P
1/
203
( . )
H01P
7/
08
( . )
(86)
International application number:
PCT/US1997/008411
(87)
International publication number:
WO 1997/044852
(
27.11.1997
Gazette 1997/51)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
(30)
Priority:
22.05.1996
US 19960018088P
30.01.1997
US 19970790971
(71)
Applicant:
E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)
(72)
Inventor:
SHEN, Zhi-Yuan
Wilmington, DE 19807 (US)
(74)
Representative:
Jones, Alan John, et al
CARPMAELS & RANSFORD 43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)
(54)
RESONATORS FOR HIGH POWER HIGH TEMPERATURE SUPERCONDUCTING DEVICES