(19)
(11)
EP 0 702 848 A1
(12)
(43)
Date of publication:
27.03.1996
Bulletin 1996/13
(21)
Application number:
94919335.0
(22)
Date of filing:
03.06.1994
(51)
International Patent Classification (IPC):
H01L
21/
8247
( . )
(86)
International application number:
PCT/US1994/006224
(87)
International publication number:
WO 1994/029898
(
22.12.1994
Gazette 1994/28)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
11.06.1993
US 19930075813
(71)
Applicant:
NATIONAL SEMICONDUCTOR CORPORATION
Santa Clara, California 95052 (US)
(72)
Inventor:
BERGEMONT, Albert
Santa Clara, CA 95014 (US)
(74)
Representative:
Bowles, Sharon Margaret, et al
BOWLES HORTON Felden House Dower Mews High Street
Berkhamsted Hertfordshire HP4 2BL
Berkhamsted Hertfordshire HP4 2BL (GB)
(54)
METHOD OF ELIMINATING POLY END CAP ROUNDING EFFECT