(19)
(11)
EP 1 105 876 A1
(12)
(43)
Date of publication:
13.06.2001
Bulletin 2001/24
(21)
Application number:
98945762.7
(22)
Date of filing:
21.08.1998
(51)
International Patent Classification (IPC)
7
:
G11C
7/00
(86)
International application number:
PCT/US9817/298
(87)
International publication number:
WO 0011/674
(
02.03.2000
Gazette 2000/09)
(84)
Designated Contracting States:
DE FR GB NL
(71)
Applicant:
CREDENCE SYSTEMS CORPORATION
Fremont, CA 94539 (US)
(72)
Inventors:
LEPEJIAN,Y.D.,c/o Credence Systems Corp.,
Fremont, California 94539 (US)
MARANDJIAN, Hrant
Yerevan 75037 (AM)
GHUKASYAN, Hovhannes
Yerevan 375014 (AM)
KRAUS, Lawrence
San Jose, CA 95112 (US)
(74)
Representative:
Swindell & Pearson
48 Friar Gate
Derby DE1 1GY
Derby DE1 1GY (GB)
(54)
METHOD AND APPARATUS FOR BUILT-IN SELF TEST OF INTEGRATED CIRCUITS