(19)
(11) EP 0 103 627 A1

(12)

(43) Date of publication:
28.03.1984 Bulletin 1984/13

(21) Application number: 83901286.0

(22) Date of filing: 04.03.1983
(51) International Patent Classification (IPC): 
B32B 43/ 00( . )
H05K 3/ 46( . )
H05K 3/ 20( . )
H05K 3/ 38( . )
(86) International application number:
PCT/US1983/000292
(87) International publication number:
WO 1983/003065 (15.09.1983 Gazette 1983/21)
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 04.03.1982 US 19820354736

(71) Applicant: Economics Laboratory, Inc.
Saint Paul, MN 55102 (US)

(72) Inventor:
  • PELLIGRINO, Peter P.
    Apple Valley, MN 55124 (US)

(74) Representative: Ström, Tore, et al 
Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188
S-203 13 Malmö
S-203 13 Malmö (SE)

   


(54) A METHOD AND APPARATUS FOR MANUFACTURING MULTI-LAYER CIRCUIT BOARDS