Title:
半導体メモリセルの製造方法
Document Type and Number:
Japanese Patent JP4921981
Kind Code:
B2
Abstract:
A semiconductor memory cell and production method provides a storage capacitor connected to a selection transistor. The storage capacitor is formed as a contact hole capacitor in at least one contact hole for a source or drain region. Such a semiconductor memory cell can be produced cost-effectively and allows a high integration density.
Inventors:
Nilshur, Thomas
Olbrich, Alexander
Martin Oostermeier
Olbrich, Alexander
Martin Oostermeier
Application Number:
JP2006549949A
Publication Date:
April 25, 2012
Filing Date:
December 30, 2004
Export Citation:
Assignee:
INFINEON TECHNOLOGIES AG
International Classes:
H01L21/8242; H01L27/108; H01L21/02
Domestic Patent References:
JP2000188379A | 2000-07-04 | |||
JP2000223589A | 2000-08-11 | |||
JP2001093990A | 2001-04-06 | |||
JPH11191615A | 1999-07-13 | |||
JPH11261030A | 1999-09-24 | |||
JPH104190A | 1998-01-06 | |||
JP2001068471A | 2001-03-16 | |||
JP2000058784A | 2000-02-25 |
Foreign References:
US5172201A | 1992-12-15 |
Attorney, Agent or Firm:
Kenzo Hara International Patent Office