(19)
(11) EP 1 155 601 A1

(12)

(43) Date of publication:
21.11.2001 Bulletin 2001/47

(21) Application number: 98964029.7

(22) Date of filing: 17.12.1998
(51) International Patent Classification (IPC)7H05K 3/02
(86) International application number:
PCT/US9826/842
(87) International publication number:
WO 0036/889 (22.06.2000 Gazette 2000/25)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(71) Applicant: RESEARCH ORGANIZATION FOR CIRCUIT KNOWLEDGE
Grafton, NH 03240 (US)

(72) Inventor:
  • ROBERTS, Joseph A.
    Grafton, NH 03240 (US)

(74) Representative: Watts, Peter Graham 
Anthony Cundy & Co.1 Olton Bridge,245 Warwick Road
Solihull B92 9AH
Solihull B92 9AH (GB)

   


(54) AN ENVIRONMENTALLY DESIRABLE METHOD OF MANUFACTURING PRINTED CIRCUITS