TWI371850B - Capacitor-less volatile memory cell, device, system and method of making same - Google Patents

Capacitor-less volatile memory cell, device, system and method of making same

Info

Publication number
TWI371850B
TWI371850B TW097106683A TW97106683A TWI371850B TW I371850 B TWI371850 B TW I371850B TW 097106683 A TW097106683 A TW 097106683A TW 97106683 A TW97106683 A TW 97106683A TW I371850 B TWI371850 B TW I371850B
Authority
TW
Taiwan
Prior art keywords
capacitor
memory cell
volatile memory
making same
less volatile
Prior art date
Application number
TW097106683A
Other languages
English (en)
Other versions
TW200901444A (en
Inventor
Fernando Gonzalez
Chandra V Mouli
Original Assignee
Micron Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Micron Technology Inc filed Critical Micron Technology Inc
Publication of TW200901444A publication Critical patent/TW200901444A/zh
Application granted granted Critical
Publication of TWI371850B publication Critical patent/TWI371850B/zh

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B12/00Dynamic random access memory [DRAM] devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/403Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
    • G11C11/405Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration common to a multiplicity of memory cells, i.e. external refresh with three charge-transfer gates, e.g. MOS transistors, per cell
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/408Address circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/409Read-write [R-W] circuits 
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203Particular design considerations for integrated circuits
    • H01L27/0248Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
    • H01L27/0251Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
    • H01L27/0288Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using passive elements as protective elements, e.g. resistors, capacitors, inductors, spark-gaps
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66666Vertical transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/7841Field effect transistors with field effect produced by an insulated gate with floating body, e.g. programmable transistors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B12/00Dynamic random access memory [DRAM] devices
    • H10B12/20DRAM devices comprising floating-body transistors, e.g. floating-body cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/06Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
    • H01L27/07Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common
    • H01L27/0705Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Semiconductor Memories (AREA)
TW097106683A 2007-02-26 2008-02-26 Capacitor-less volatile memory cell, device, system and method of making same TWI371850B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/711,449 US7919800B2 (en) 2007-02-26 2007-02-26 Capacitor-less memory cells and cell arrays

Publications (2)

Publication Number Publication Date
TW200901444A TW200901444A (en) 2009-01-01
TWI371850B true TWI371850B (en) 2012-09-01

Family

ID=39493686

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097106683A TWI371850B (en) 2007-02-26 2008-02-26 Capacitor-less volatile memory cell, device, system and method of making same

Country Status (7)

Country Link
US (6) US7919800B2 (zh)
EP (1) EP2130228A1 (zh)
JP (1) JP5088589B2 (zh)
KR (1) KR101176706B1 (zh)
CN (1) CN101641788B (zh)
TW (1) TWI371850B (zh)
WO (1) WO2008106358A1 (zh)

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US9105707B2 (en) 2013-07-24 2015-08-11 International Business Machines Corporation ZRAM heterochannel memory
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US10825931B2 (en) * 2018-02-13 2020-11-03 Nanya Technology Corporation Semiconductor device with undercutted-gate and method of fabricating the same
US10374033B1 (en) * 2018-03-08 2019-08-06 Micron Technology, Inc. Semiconductor assemblies having semiconductor material regions with contoured upper surfaces
US11888034B2 (en) 2019-06-07 2024-01-30 Intel Corporation Transistors with metal chalcogenide channel materials
US11777029B2 (en) 2019-06-27 2023-10-03 Intel Corporation Vertical transistors for ultra-dense logic and memory applications
US11171243B2 (en) 2019-06-27 2021-11-09 Intel Corporation Transistor structures with a metal oxide contact buffer
EP3916760B1 (en) * 2020-05-28 2024-07-03 Imec VZW A method for producing an undercut in a 300 mm silicon-on-insulator platform
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US11742306B2 (en) * 2021-01-07 2023-08-29 Micron Technology, Inc. Layouts for pads and conductive lines of memory devices, and related devices, systems, and methods
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Also Published As

Publication number Publication date
US20140036584A1 (en) 2014-02-06
KR101176706B1 (ko) 2012-08-23
US8203866B2 (en) 2012-06-19
US8582350B2 (en) 2013-11-12
US20130252390A1 (en) 2013-09-26
KR20090118967A (ko) 2009-11-18
US8724372B2 (en) 2014-05-13
US7919800B2 (en) 2011-04-05
US20080205133A1 (en) 2008-08-28
JP5088589B2 (ja) 2012-12-05
US20110170364A1 (en) 2011-07-14
CN101641788B (zh) 2012-08-08
JP2010519770A (ja) 2010-06-03
WO2008106358A1 (en) 2008-09-04
US9293185B2 (en) 2016-03-22
US20140219017A1 (en) 2014-08-07
US8451650B2 (en) 2013-05-28
US20120258577A1 (en) 2012-10-11
EP2130228A1 (en) 2009-12-09
CN101641788A (zh) 2010-02-03
TW200901444A (en) 2009-01-01

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