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1. (WO2001001489) DRAM CELL ARRANGEMENT AND METHOD FOR THE PRODUCTION THEREOF
PCT Biblio. Data
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Pub. No.:
WO/2001/001489
International Application No.:
PCT/DE2000/001156
Publication Date:
04.01.2001
International Filing Date:
13.04.2000
Chapter 2 Demand Filed:
13.09.2000
IPC:
H01L 21/8242
(2006.01),
H01L 27/108
(2006.01)
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21
Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
70
Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in or on a common substrate or of specific parts thereof; Manufacture of integrated circuit devices or of specific parts thereof
77
Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
78
with subsequent division of the substrate into plural individual devices
82
to produce devices, e.g. integrated circuits, each consisting of a plurality of components
822
the substrate being a semiconductor, using silicon technology
8232
Field-effect technology
8234
MIS technology
8239
Memory structures
8242
Dynamic random access memory structures (DRAM)
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27
Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
02
including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
04
the substrate being a semiconductor body
10
including a plurality of individual components in a repetitive configuration
105
including field-effect components
108
Dynamic random access memory structures
Applicants:
INFINEON TECHNOLOGIES AG
[DE/DE]; St.-Martin-Strasse 53, D-81541 München (DE)
(For All Designated States Except US)
.
SCHLÖSSER, Till
[DE/DE]; (DE)
(For US Only)
.
HOFMANN, Franz
[DE/DE]; (DE)
(For US Only)
Inventors:
SCHLÖSSER, Till
; (DE).
HOFMANN, Franz
; (DE)
Agent:
REINHARD SKUHRA WEISE & PARTNER
; Friedrichstrasse 31, 80801 München (DE)
Priority Data:
199 28 781.3
23.06.1999
DE
Title
(DE)
DRAM-ZELLENANORDNUNG UND VERFAHREN ZU DEREN HERSTELLUNG
(EN)
DRAM CELL ARRANGEMENT AND METHOD FOR THE PRODUCTION THEREOF
(FR)
DISPOSITIF D'ELEMENTS DRAM ET SON PROCEDE DE FABRICATION
Abstract:
(DE)
In einem Substrat (1) sind erste Gräben und quer dazu verlaufende zweite Gräben (G2), die sich in Wortleitungsgräben und in Isolationsgräben unterteilen, vorgesehen. Die Wortleitungsgräben werden jeweils durch eine Wortleitung (W) und eine darüber angeordnete Schutzstruktur (S) gefüllt. Source/Drain-Gebiete (S/D1, S/D2) der Transistoren grenzen an eine Oberfläche (F) des Substrats (1) an und reichen weniger tief in das Substrat (1) hinein als die Wortleitungen (W). Zwei zueinander benachbarte Transistoren teilen sich ein gemeinsames Source/Drain-Gebiet (S/D1), das mit einer Bitleitung (B) verbunden ist. Die übrigen Source/Drain-Gebiete (S/D2) der Transistoren werden mit Kondensatoren (Ko) verbunden.
(EN)
First trenches and second trenches (G2) which run perpendicular thereto and are divided into word line trenches and isolation trenches are provided in a substrate (1). The word line trenches are respectively filled with a word line (W) and a protective structure (S) arranged thereover. Transistor source/drain areas (S/D1, SD/2) are disposed in an adjacent position to a surface (F) of the substrate and protrude into the substrate (1) to a lesser degree than the word lines (W). A common source/drain area (SD1) which is connected to a bit line (B) is shared between two adjacent transistors. The remaining source/drain areas (S/D2) of the transistors are connected to capacitors (Ko).
(FR)
Un substrat (1) comprend des premières tranchées et, perpendiculairement à celles-ci, des deuxièmes tranchées (G2) qui se divisent en tranchées de conducteurs-mots et en tranchées d'isolation. Les tranchées de conducteurs-mots sont remplies chacune d'un conducteur-mots (W) et d'une structure de protection (S) agencée sur celui-ci. Les domaines source/drain (S/D1, S/D2) des transistors sont adjacents à une surface (F) du substrat (1) et pénètrent moins profondément dans le substrat (1) que les conducteurs-mots (W). Deux transistors adjacents se partagent un domaine commun source/drain (S/D1) qui est connecté à un conducteur de bits (B). Les autres domaines source/drain (S/D2) des transistors sont connectés à des condensateurs (Ko).
Designated States:
CN, JP, KR, US.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language:
German (
DE
)
Filing Language:
German (
DE
)