(19)
(11) EP 0 807 372 A1

(12)

(43) Date of publication:
19.11.1997 Bulletin 1997/47

(21) Application number: 96900483.0

(22) Date of filing: 19.01.1996
(51) International Patent Classification (IPC): 
H01L 23/ 40( . )
H05K 1/ 02( . )
H05K 3/ 40( . )
H01L 23/ 433( . )
H05K 7/ 20( . )
(86) International application number:
PCT/CA1996/000028
(87) International publication number:
WO 1996/023397 (01.08.1996 Gazette 1996/35)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 25.01.1995 CA 19952141091
17.08.1995 US 19950516271

(71) Applicant: NORTHERN TELECOM LIMITED
Montreal, Quebec H2Y 3Y4 (CA)

(72) Inventor:
  • KATCHMAR, Roman
    Ottawa, Ontario K1V 8J2 (CA)

(74) Representative: Berkson, Michael David 
Nortel Networks Intellectual Property Law Group London Road
Harlow, Essex CM17 9NA
Harlow, Essex CM17 9NA (GB)

   


(54) PRINTED CIRCUIT BOARD AND HEAT SINK ARRANGEMENT