(19)
(11)
EP 0 521 144 A1
(12)
(43)
Date of publication:
07.01.1993
Bulletin 1993/01
(21)
Application number:
92905246.0
(22)
Date of filing:
21.01.1992
(51)
International Patent Classification (IPC):
B28B
1/
30
( . )
B32B
27/
06
( . )
H01B
3/
00
( . )
H05K
1/
03
( . )
H05K
1/
09
( . )
B32B
18/
00
( . )
C04B
35/
632
( . )
H01L
23/
14
( . )
H05K
3/
46
( . )
(86)
International application number:
PCT/US1992/000504
(87)
International publication number:
WO 1992/013435
(
06.08.1992
Gazette 1992/21)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
18.01.1991
JP 19910004354
(71)
Applicant:
E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)
(72)
Inventor:
HARA, Hiroyuki Apt. 502, Serukobe Heights
Kohhoku-ku, Yokohama-shi Kanagawa-ken (JP)
(74)
Representative:
von Kreisler, Alek, Dipl.-Chem.
Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41
D-50462 Köln
D-50462 Köln (DE)
(54)
MANUFACTURING MULTILAYER CERAMIC SUBSTRATE