WO2010041838A3 - 고집적 플래시 메모리 셀 스택, 셀 스택 스트링 및 그 제조 방법 - Google Patents

고집적 플래시 메모리 셀 스택, 셀 스택 스트링 및 그 제조 방법 Download PDF

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WO2010041838A3
WO2010041838A3 PCT/KR2009/005463 KR2009005463W WO2010041838A3 WO 2010041838 A3 WO2010041838 A3 WO 2010041838A3 KR 2009005463 W KR2009005463 W KR 2009005463W WO 2010041838 A3 WO2010041838 A3 WO 2010041838A3
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cell stack
flash memory
memory cell
doping semiconductor
string
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PCT/KR2009/005463
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WO2010041838A2 (ko
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이종호
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경북대학교 산학협력단
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Publication of WO2010041838A2 publication Critical patent/WO2010041838A2/ko
Publication of WO2010041838A3 publication Critical patent/WO2010041838A3/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices 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
    • H01L27/04—Devices 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
    • H01L27/10—Devices 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 repetitive configuration
    • H01L27/102—Devices 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 repetitive configuration including bipolar components
    • H01L27/1021—Devices 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 repetitive configuration including bipolar components including diodes only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
    • H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
    • H01L21/8232—Field-effect technology
    • H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
    • H01L21/823493—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the wells or tubs, e.g. twin tubs, high energy well implants, buried implanted layers for lateral isolation [BILLI]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices 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
    • H01L27/04—Devices 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
    • H01L27/06—Devices 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
    • H01L27/0688—Integrated circuits having a three-dimensional layout
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    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/10—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the top-view layout
    • H—ELECTRICITY
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    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
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    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
    • H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Non-Volatile Memory (AREA)
  • Semiconductor Memories (AREA)

Abstract

본 발명은 플래시 메모리 셀 스택, 플래시 메모리 셀 스택 스트링, 셀 스택 어레이 및 그 제조 방법에 관한 것이다. 상기 플래시 메모리 셀 스택은, 반도체 기판; 상기 반도체 기판의 표면에 수직형 기둥 형태로 형성되는 제어전극; 상기 제어전극과 상기 반도체 기판의 사이에 형성되는 절연막; 상기 제어전극의 측면에 형성되는 게이트 스택; 상기 게이트 스택의 측면에 층으로 형성되는 다수 개의 제1 절연막; 상기 게이트 스택의 측면에 층으로 형성되는 다수 개의 제2 도우핑 반도체 영역; 상기 제1 절연막과 상기 제2 도우핑 반도체 영역의 측면 중 일부에 형성되되 제1 방향을 따라 서로 대향되는 측면에 형성되는 제1 도우핑 반도체 영역;을 구비하고, 상기 제1 절연막과 상기 제2 도우핑 반도체 영역은 상기 게이트 스택의 측면에 층으로 번갈아 형성된다. 상기 플래시 메모리 셀 스택 스트링은 일렬로 배열된 다수개의 플래시 메모리 셀 스택으로 이루어지며, 셀 스택 어레이는 일렬로 배열된 다수개의 플래시 메모리 셀 스택 스트링으로 이루어진다.
PCT/KR2009/005463 2008-10-09 2009-09-24 고집적 플래시 메모리 셀 스택, 셀 스택 스트링 및 그 제조 방법 WO2010041838A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/123,458 US8461643B2 (en) 2008-10-09 2009-09-24 High-density flash memory cell stack, cell stack string, and fabrication method thereof

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KR1020080099231A KR100979906B1 (ko) 2008-10-09 2008-10-09 고집적 플래시 메모리 셀 스택, 셀 스택 스트링 및 그 제조방법
KR10-2008-0099231 2008-10-09

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WO2010041838A2 WO2010041838A2 (ko) 2010-04-15
WO2010041838A3 true WO2010041838A3 (ko) 2010-07-22

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KR20100040141A (ko) 2010-04-19
WO2010041838A2 (ko) 2010-04-15
US8461643B2 (en) 2013-06-11
US20110198687A1 (en) 2011-08-18
KR100979906B1 (ko) 2010-09-06

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