TWI360818B - Nonvolatile memory and method of making same - Google Patents

Nonvolatile memory and method of making same Download PDF

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Publication number
TWI360818B
TWI360818B TW093122950A TW93122950A TWI360818B TW I360818 B TWI360818 B TW I360818B TW 093122950 A TW093122950 A TW 093122950A TW 93122950 A TW93122950 A TW 93122950A TW I360818 B TWI360818 B TW I360818B
Authority
TW
Taiwan
Prior art keywords
transistor
gate
voltage
control gate
applying
Prior art date
Application number
TW093122950A
Other languages
English (en)
Chinese (zh)
Other versions
TW200522079A (en
Inventor
Erwin J Prinz
Original Assignee
Freescale Semiconductor 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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of TW200522079A publication Critical patent/TW200522079A/zh
Application granted granted Critical
Publication of TWI360818B publication Critical patent/TWI360818B/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0425Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing a merged floating gate and select transistor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • G11C16/14Circuits for erasing electrically, e.g. erase voltage switching circuits
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B63/00Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
    • H10B63/30Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/0411Manufacture or treatment of FETs having insulated gates [IGFET] of FETs having floating gates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/68Floating-gate IGFETs
    • H10D30/687Floating-gate IGFETs having more than two programming levels
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/68Floating-gate IGFETs
    • H10D30/6891Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode
    • H10D30/6893Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode wherein the floating gate has multiple non-connected parts, e.g. multi-particle floating gate
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/01Manufacture or treatment
    • H10D64/031Manufacture or treatment of data-storage electrodes
    • H10D64/035Manufacture or treatment of data-storage electrodes comprising conductor-insulator-conductor-insulator-semiconductor structures
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0408Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
    • G11C16/0441Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing multiple floating gate devices, e.g. separate read-and-write FAMOS transistors with connected floating gates
    • G11C16/0458Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing multiple floating gate devices, e.g. separate read-and-write FAMOS transistors with connected floating gates comprising two or more independent floating gates which store independent data
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0491Virtual ground arrays
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2216/00Indexing scheme relating to G11C16/00 and subgroups, for features not directly covered by these groups
    • G11C2216/02Structural aspects of erasable programmable read-only memories
    • G11C2216/06Floating gate cells in which the floating gate consists of multiple isolated silicon islands, e.g. nanocrystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Non-Volatile Memory (AREA)
  • Semiconductor Memories (AREA)
TW093122950A 2003-07-31 2004-07-30 Nonvolatile memory and method of making same TWI360818B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/631,142 US6816414B1 (en) 2003-07-31 2003-07-31 Nonvolatile memory and method of making same

Publications (2)

Publication Number Publication Date
TW200522079A TW200522079A (en) 2005-07-01
TWI360818B true TWI360818B (en) 2012-03-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW093122950A TWI360818B (en) 2003-07-31 2004-07-30 Nonvolatile memory and method of making same

Country Status (6)

Country Link
US (1) US6816414B1 (enExample)
JP (1) JP2007500938A (enExample)
KR (1) KR101039244B1 (enExample)
CN (1) CN1816883A (enExample)
TW (1) TWI360818B (enExample)
WO (1) WO2005013281A2 (enExample)

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US7619270B2 (en) * 2005-07-25 2009-11-17 Freescale Semiconductor, Inc. Electronic device including discontinuous storage elements
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US20070158734A1 (en) * 2006-01-09 2007-07-12 Freescale Semiconductor, Inc. Electronic device with a multi-gated electrode structure and a process for forming the electronic device
US7341914B2 (en) * 2006-03-15 2008-03-11 Freescale Semiconductor, Inc. Method for forming a non-volatile memory and a peripheral device on a semiconductor substrate
US7700439B2 (en) * 2006-03-15 2010-04-20 Freescale Semiconductor, Inc. Silicided nonvolatile memory and method of making same
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US7572699B2 (en) * 2007-01-24 2009-08-11 Freescale Semiconductor, Inc Process of forming an electronic device including fins and discontinuous storage elements
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Also Published As

Publication number Publication date
JP2007500938A (ja) 2007-01-18
WO2005013281A2 (en) 2005-02-10
KR20060054400A (ko) 2006-05-22
TW200522079A (en) 2005-07-01
WO2005013281A3 (en) 2005-05-19
CN1816883A (zh) 2006-08-09
KR101039244B1 (ko) 2011-06-08
US6816414B1 (en) 2004-11-09

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