TW200601461A - Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation - Google Patents

Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation

Info

Publication number
TW200601461A
TW200601461A TW094105237A TW94105237A TW200601461A TW 200601461 A TW200601461 A TW 200601461A TW 094105237 A TW094105237 A TW 094105237A TW 94105237 A TW94105237 A TW 94105237A TW 200601461 A TW200601461 A TW 200601461A
Authority
TW
Taiwan
Prior art keywords
trench
source
floating gate
array
drain
Prior art date
Application number
TW094105237A
Other languages
English (en)
Chinese (zh)
Inventor
Da-Na Lee
Bo-My Chen
Sohrab Kianian
Original Assignee
Silicon Storage Tech 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
Priority claimed from US10/797,296 external-priority patent/US7307308B2/en
Application filed by Silicon Storage Tech Inc filed Critical Silicon Storage Tech Inc
Publication of TW200601461A publication Critical patent/TW200601461A/zh

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B41/00Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/30Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
    • 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]
    • H10D30/67Thin-film transistors [TFT]
    • H10D30/6729Thin-film transistors [TFT] characterised by the electrodes
    • H10D30/673Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
    • H10D30/6733Multi-gate TFTs

Landscapes

  • Non-Volatile Memory (AREA)
  • Semiconductor Memories (AREA)
TW094105237A 2004-03-09 2005-02-22 Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation TW200601461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/797,296 US7307308B2 (en) 2003-04-07 2004-03-09 Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation

Publications (1)

Publication Number Publication Date
TW200601461A true TW200601461A (en) 2006-01-01

Family

ID=35085603

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094105237A TW200601461A (en) 2004-03-09 2005-02-22 Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation

Country Status (4)

Country Link
JP (1) JP2005260235A (enExample)
KR (1) KR20060043534A (enExample)
CN (1) CN1691336A (enExample)
TW (1) TW200601461A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9293204B2 (en) * 2013-04-16 2016-03-22 Silicon Storage Technology, Inc. Non-volatile memory cell with self aligned floating and erase gates, and method of making same
CN110010606B (zh) * 2018-01-05 2023-04-07 硅存储技术公司 衬底沟槽中具有浮栅的双位非易失性存储器单元
WO2025074208A1 (ja) * 2023-10-04 2025-04-10 株式会社半導体エネルギー研究所 半導体装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868629A (en) * 1984-05-15 1989-09-19 Waferscale Integration, Inc. Self-aligned split gate EPROM
IT1227989B (it) * 1988-12-05 1991-05-20 Sgs Thomson Microelectronics Matrice di celle di memoria eprom con struttura a tovaglia con migliorato rapporto capacitivo e processo per la sua fabbricazione
US5278439A (en) * 1991-08-29 1994-01-11 Ma Yueh Y Self-aligned dual-bit split gate (DSG) flash EEPROM cell
ATE238609T1 (de) * 1991-08-29 2003-05-15 Hyundai Electronics Ind Selbstjustierende flash-eeprom-zelle mit doppelbit-geteiltem gat
JPH05211338A (ja) * 1991-10-09 1993-08-20 Mitsubishi Electric Corp 不揮発性半導体装置
JP3403877B2 (ja) * 1995-10-25 2003-05-06 三菱電機株式会社 半導体記憶装置とその製造方法
US5963806A (en) * 1996-12-09 1999-10-05 Mosel Vitelic, Inc. Method of forming memory cell with built-in erasure feature
US6952034B2 (en) * 2002-04-05 2005-10-04 Silicon Storage Technology, Inc. Semiconductor memory array of floating gate memory cells with buried source line and floating gate

Also Published As

Publication number Publication date
KR20060043534A (ko) 2006-05-15
JP2005260235A (ja) 2005-09-22
CN1691336A (zh) 2005-11-02

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