WO2006059376A1 - 半導体メモリ及びその製造方法 - Google Patents
半導体メモリ及びその製造方法 Download PDFInfo
- Publication number
- WO2006059376A1 WO2006059376A1 PCT/JP2004/017809 JP2004017809W WO2006059376A1 WO 2006059376 A1 WO2006059376 A1 WO 2006059376A1 JP 2004017809 W JP2004017809 W JP 2004017809W WO 2006059376 A1 WO2006059376 A1 WO 2006059376A1
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- WO
- WIPO (PCT)
- Prior art keywords
- source
- semiconductor memory
- line
- region
- semiconductor substrate
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 238000009792 diffusion process Methods 0.000 claims abstract description 28
- 230000015654 memory Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 description 22
- 239000010410 layer Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005530 etching Methods 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory transistors
-
- H—ELECTRICITY
- 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
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
Definitions
- the present invention relates to a semiconductor memory, and more particularly, to a technique that enables simplification of the structure of a nonvolatile semiconductor memory device and simplification of a manufacturing process.
- Flash memory which is one of semiconductor memories, is a kind of electrically rewritable ROM, and is a non-volatile semiconductor memory device widely used in mobile phones, digital still cameras, communication network devices, and the like. It is. Flash memory is roughly divided into NOR type and NA ND type. Of these, NOR type flash memory is generally capable of random access and has a higher read speed than NAND type flash memory. In order to further improve the characteristics, various proposals have also been made regarding the wiring structure arranged in the memory cell array (see, for example, Patent Document 1).
- FIG. 1 is a schematic diagram for explaining a configuration example of a conventional NOR flash memory.
- FIG. 1 (a) is a top view of a part of the flash memory
- FIG. 1 (b) is FIG. A sectional view along the A-line in (a)
- Fig. 1 (c) are diagrams for explaining the state of the gate line near the source contact.
- a plurality of diffusion regions (active regions) 18 extending in the vertical direction (Y direction) are formed on the main surface of the silicon semiconductor substrate 10.
- the diffusion region 18 is schematically shown. These diffusion regions 18 are spaced apart in the lateral direction (X direction).
- the drain region 11 is periodically formed.
- the part indicated by reference numeral 18 also indicates a bit line formed of a wiring layer patterned with a metal such as aluminum. The bit line 18 is electrically connected to the drain region 11 through the drain contact 15.
- a plurality of word lines (gate lines) 17 extending in the horizontal direction (X direction) are formed on the semiconductor substrate 10.
- the word line 17 includes a gate electrode 13. Under the gate electrode 13, a floating formed on the tunnel oxide film formed on the semiconductor substrate 10.
- a gate 20 and an insulating film ONO (oxide-nitride-oxide) 21 formed thereon are formed.
- the gate electrode 13 is formed on the insulating film ON021.
- a source region 14 extending in the horizontal direction is formed between the word lines 17 adjacent in the vertical direction.
- the source region 14 is formed of a diffusion region 12 formed on the surface of the semiconductor substrate 10 as shown in FIG. Since the source region 12 is set to a reference potential Vss (for example, ground), it is also called a Vss line.
- a source line 19 extending in the vertical direction of the semiconductor substrate 10 is formed for each of a plurality of (for example, 8 or 16) bit lines 18.
- the source line 19 is a wiring layer obtained by patterning a metal such as aluminum.
- the source line 19 is electrically connected to the source region 14 via the source contact 16.
- Patent Document 1 JP 2002-100689 A
- the conventional NOR type flash memory as shown in FIG. 1 has the following problems.
- the geometrical arrangement of the drain contact 15 and the source contact 16 when viewed from the top view (FIG. 1 (a)) is different. Become. When the period in the Y direction of these contacts 15 and 16 is L, the source contact 16 and the drain contact 15 are shifted by 1Z2 period (LZ2).
- the wiring layer 18 connecting the drain contact 15 is connected to the interval C, and the wiring layer 19 connecting the source contact 16 and the drain contact 15 are connected. Comparing the distance D with the wiring layer 18 to be used, C ⁇ D must be satisfied, and a relatively large dead space is formed in the vicinity of the source contact 16.
- drain contacts 15 have different d values (d> d> d)
- the shape can also be different. For this reason, it is necessary to acquire OPC (Optimum Write Power Control) data for each of these contacts.
- OPC Optimum Write Power Control
- the present invention is a semiconductor memory having a semiconductor substrate and first and second source regions formed in the semiconductor substrate and extending in first and second directions orthogonal to each other. is there. Since the source region extending in the vertical and horizontal directions on the surface portion of the semiconductor substrate is formed, the degree of freedom in forming the source contact is generated, and the structure of the semiconductor memory and the manufacturing process can be simplified.
- the first and second source regions are each a diffusion region, and are electrically connected at intersecting portions.
- the first and second source regions each have a linear region.
- the semiconductor memory includes a drain region formed in the semiconductor substrate, a bit line extending in the same direction as the second source region, and a source formed on the second source region.
- a contact line between the source line and the second source region and a contact between the bit line and the drain region formed in the semiconductor substrate are preferably arranged in a straight line.
- the bit line is disposed on both sides of the second source region. The distance between the source line and the bit line adjacent to the source line is preferably smaller than the distance between adjacent bit lines.
- the semiconductor memory preferably has a linear word line extending in the same direction as the first source region, and the first source region is disposed between adjacent word lines.
- the word line may include a gate electrode formed on the semiconductor substrate.
- the first and second source regions are diffusion regions formed in separate diffusion steps.
- the semiconductor memory is, for example, a NOR type flash memory having a floating gate.
- the present invention also provides a step of forming a first source region extending in a first direction in a semiconductor substrate, and a second direction extending in a second direction orthogonal to the first direction. And a method of manufacturing a semiconductor memory. In this manufacturing method, the floating gate and the gate electrode are formed after the second source region is formed. It is preferable that the process is included.
- the source line is formed by two diffusion regions extending in the vertical and horizontal directions (X direction and Y direction when the substrate surface is an XY plane), the gate line (word line)
- the gate line word line
- FIG. 1 A schematic diagram for explaining the configuration of a conventional NOR flash memory, (a) is a top view of a part of the flash memory, and (b) is A in (a). — A cross-sectional view along the A ′ line, and (c) is a diagram for explaining the state of the gate line near the source contact.
- FIG. 2 is a schematic diagram for explaining the configuration of the NOR type flash memory of the present invention, where (a) is a top view of a part of the flash memory, and (b) is a B-line in (a).
- FIG. 8C is a cross-sectional view taken along the line, and FIG. 8C is a view for explaining the state of the gate line in the vicinity of the source contact.
- FIG. 3 is a diagram for explaining a manufacturing process of a flash memory according to the present invention, illustrating each process from forming STI (Shallow Trench Isolation) to forming a vertical source line and a floating gate.
- STI Shallow Trench Isolation
- FIG. 4 is a diagram for explaining the manufacturing process of the flash memory according to the present invention, and shows each process from gate formation to lateral source line formation.
- FIG. 5 is a diagram for explaining a manufacturing process of a flash memory according to the present invention, and shows a process for forming a contact layer and forming a wiring layer.
- FIG. 6 is a flow chart for explaining the manufacturing process of the flash memory according to the present invention.
- the second source line (wiring layer) having the above-described conventional configuration is formed in the diffusion region.
- the two extending in the horizontal direction and the vertical direction are By providing a diffusion region, the gate line (word line) can be formed without bending.
- FIG. 2 is a diagram for explaining a configuration example of the semiconductor memory device according to the present invention.
- the semiconductor memory device is assumed to be a NOR flash memory.
- Fig. 2 (a) is a top view of a part of this flash memory
- Fig. 2 (b) is a cross-sectional view taken along line B-B 'in Fig. 2 (a)
- Fig. 2 (c) is a source contact. It is a figure for demonstrating the mode of the gate line of the vicinity.
- the cross-sectional view along the line AA ′ shown in FIG. 1 (b) is the same in this embodiment.
- a diffusion region (active region) 102 extending in the vertical direction (Y direction) is formed on the main surface of the silicon semiconductor substrate 100.
- This diffusion region 102 is a source region (second source region) and constitutes a source line 109.
- This source line 109 replaces 19 formed by the metal wiring layer described above.
- the source line 109 is provided for each of a plurality of (for example, 8 or 16) bit lines 108.
- the source line 109 intersects a source line 104 formed by a diffusion region (first source region) extending in the X direction. That is, the diffusion region 102 of the source line 109 intersects with the diffusion region of the lateral source line 104 (corresponding to the diffusion region 12 of FIG. 1B).
- the source lines 109 and 106 are electrically connected to each other at the intersecting diffusion region portions and have the same potential.
- the source line 109 is electrically connected to a wiring layer formed of a metal such as aluminum, which will be described later, via the source contact 106.
- the bit line 108 is a wiring layer formed of a metal such as aluminum.
- a diffusion region is formed on the surface of the semiconductor substrate 100 located below the bit line 108. In this diffusion region, drain regions 11 are periodically formed.
- the bit line 108 is electrically connected to the drain region via the drain contact 105.
- a plurality of word lines (gate lines) 107 extending in the horizontal direction (X direction) are formed on the semiconductor substrate 100.
- the word line 107 includes a gate electrode 103.
- a floating gate 120 formed on the tunnel oxide film on the semiconductor substrate 100 and an insulating film ONO 121 formed thereon are formed.
- the gate electrode 103 is formed on the insulating film ONO 121.
- the wiring provided on the main surface of the semiconductor substrate 100 Two vertical and horizontal source lines 104 and 109 formed as diffusion regions in the crystal of the semiconductor substrate 100 without using layers are formed. This eliminates the need to provide the source contact 106 on the source line 104 in the X direction, allows the formation of the source contact 106 without bending the gate line (word line) 107, and reduces the area of the memory cell. It becomes possible to do.
- the same arrangement can be achieved without shifting the arrangement period of the drain contact 105 and the source contact 106. That is, the arrangement interval of the source contacts 106 in the Y direction is equal to the arrangement interval of the drain contacts 105 in the Y direction, and each of the source contacts 106 is arranged on a straight line connecting a plurality of the drain contacts 105 in the X direction. Is possible. Furthermore, the diameter of the source contact 106, the diameter of the drain contact 105 to be provided adjacent thereto, and the diameters (and their shapes) of the other drain contacts 105 can be designed to be equal.
- the distance B between the source line 109 for connecting the source contact 106 and the bit line (wiring layer) 108 adjacent thereto is connected to the drain contact 105. It is possible to perform layout so that the interval A between successive bit lines 108 is less than or equal to A. In addition, since the s-curved portion of the gate line 107 is eliminated, it is easy to align the mask when forming the source line by ion implantation.
- Example 2 As described above, the structure of the semiconductor memory device according to the present invention in which the source line is formed of two diffusion regions in the vertical and horizontal directions is greatly simplified, and the manufacturing process thereof is also simplified. An example of the method for manufacturing the semiconductor memory of Example 1 will be described in detail in Example 2. Example 2
- FIG. 3-6 is a diagram for explaining the manufacturing process of the flash memory in the present embodiment.
- FIG. 3 shows from STI (Shallow Trench Isolation) formation to vertical source line 109 and floating gate formation.
- FIG. 4 shows each process from gate formation force to formation of the source line 104 in the lateral direction, and
- FIG. 5 illustrates each process from contact formation to wiring layer formation, and
- FIG. 6 is a flowchart of these processes.
- the left figure is a schematic top view and the upper right figure is an E-line in the left figure.
- the cross-sectional schematic diagram along the line, and the lower right diagram is the schematic cross-sectional diagram along the F to T line in the left diagram.
- Figure 4 (b) also shows a schematic cross-sectional view along the G-line.
- one main surface of a silicon semiconductor substrate 100 is provided with an STI in which the surface of the silicon semiconductor substrate 100 is etched and filled with an insulator 110.
- a partial area of the surface of 100 is exposed in a striped manner extending in the vertical direction of the left figure.
- Such STI formation is performed by a known photolithography technique, etching technique, and gap fill technique (step S101).
- the STI is provided because it is effective for reducing the size of the STI element isolation camera cell.
- the region denoted by reference numeral 100a is the region that will later become the source line 109 in the vertical direction (Y direction) (in the left figure).
- the area indicated by reference numeral 100b later corresponds to the formation area of the bit line 108 in the vertical direction (in the left figure).
- a source line 109 (diffusion layer 102) extending in the Y direction is formed as shown in FIG. 3B (step S102).
- the photoresist 111 is removed, and a layer 112 to be a floating gate 120 is formed on the tunnel oxide film using a known photolithography technique, a film forming technique, and an etching technique ( Figure 3 (c), step S103).
- a predetermined patterning is performed by a known photolithography technique and etching technique, and a gate line (word word) extending in the X direction is formed.
- Line) 107 is formed.
- step S104 a gate portion having a structure formed by the straight gate line 107 having no curved portion is obtained (step S104).
- step S104 a gate portion having a structure formed by the straight gate line 107 having no curved portion is obtained.
- the layers 112 other than those located under the gate line 107 are removed, and the aforementioned floating gate 120 is formed (FIG. 4A).
- the region shown in the left figure of FIG. 4 (b) is covered with a photoresist 113 to form a mask, and the opening force of this mask is set at a predetermined inclination angle, implantation depth, and dose.
- Ion implantation To form the source line 104 in the X direction (step S105). In this process, the region where the source line 109 in the Y direction intersects with the source line 104 in the X direction is electrically connected (FIG. 4 (b)).
- a contact hole is provided at a predetermined position by a known photolithography technique and etching technique. Then, the contact hole is filled with metal to form the drain contact 105 and the source contact 106 (FIG. 5 (&), step 3106). Finally, a metal wiring 115 for connecting these contacts to each other is formed (FIG. 5 (b), step S107).
- the metal wiring 115 formed on the Y-direction source line 109 is connected to the source line 109 via the source contact 106. Also, the metal wiring 115 serving as a bit line is connected to the drain region via the drain contact 105! RU
- the semiconductor memory device of the present invention when the semiconductor memory device of the present invention is manufactured, first, before forming the gate line 107, a portion other than the diffusion region for forming the source contact 106 is covered with a photoresist, A source line 109 extending in the Y direction is formed in the semiconductor substrate 100 by implantation. Then, a source line 104 extending in the X direction after forming the gate line 107 is formed in the semiconductor substrate 100, and this is connected to the source line 109 in the Y direction. In this way, the source contact 106 can be formed without bending the gate line 107, and the source contact 106 having the same arrangement as the drain contact 105 can be obtained.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112004003021T DE112004003021T5 (de) | 2004-11-30 | 2004-11-30 | Halbleiterspeicher und Verfahren zu dessen Herstellung |
GB0710456A GB2434919B (en) | 2004-11-30 | 2004-11-30 | Semiconductor memory and manufacturing method thereof |
PCT/JP2004/017809 WO2006059376A1 (ja) | 2004-11-30 | 2004-11-30 | 半導体メモリ及びその製造方法 |
JP2006546542A JP5014802B2 (ja) | 2004-11-30 | 2004-11-30 | 半導体メモリ及びその製造方法 |
CNA2004800447700A CN101091253A (zh) | 2004-11-30 | 2004-11-30 | 半导体存储器及其制造方法 |
TW094141843A TWI404173B (zh) | 2004-11-30 | 2005-11-29 | 半導體記憶體及其製造方法 |
US11/291,342 US7736953B2 (en) | 2004-11-30 | 2005-11-30 | Semiconductor memory and method of fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/017809 WO2006059376A1 (ja) | 2004-11-30 | 2004-11-30 | 半導体メモリ及びその製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/291,342 Continuation US7736953B2 (en) | 2004-11-30 | 2005-11-30 | Semiconductor memory and method of fabricating the same |
Publications (1)
Publication Number | Publication Date |
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WO2006059376A1 true WO2006059376A1 (ja) | 2006-06-08 |
Family
ID=36260801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/017809 WO2006059376A1 (ja) | 2004-11-30 | 2004-11-30 | 半導体メモリ及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7736953B2 (ja) |
JP (1) | JP5014802B2 (ja) |
CN (1) | CN101091253A (ja) |
DE (1) | DE112004003021T5 (ja) |
GB (1) | GB2434919B (ja) |
TW (1) | TWI404173B (ja) |
WO (1) | WO2006059376A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100871547B1 (ko) | 2007-08-14 | 2008-12-01 | 주식회사 동부하이텍 | 노어 플래시 메모리 소자 및 그 제조 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US8486782B2 (en) | 2006-12-22 | 2013-07-16 | Spansion Llc | Flash memory devices and methods for fabricating the same |
KR101004506B1 (ko) * | 2008-09-09 | 2010-12-31 | 주식회사 하이닉스반도체 | 공통 소스라인을 갖는 수직 자기형 비휘발성 메모리 장치 및 그 제조 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10189919A (ja) * | 1996-12-27 | 1998-07-21 | Sony Corp | 半導体記憶装置 |
JP2002100689A (ja) * | 2000-09-22 | 2002-04-05 | Toshiba Corp | 不揮発性半導体記憶装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3484380B2 (ja) * | 1999-09-22 | 2004-01-06 | 沖電気工業株式会社 | リードオンリメモリ |
EP1104023A1 (en) * | 1999-11-26 | 2001-05-30 | STMicroelectronics S.r.l. | Process for manufacturing electronic devices comprising non-volatile memory cells |
JP2001308205A (ja) * | 2000-04-19 | 2001-11-02 | Nec Corp | 不揮発性半導体記憶装置及びその製造方法 |
-
2004
- 2004-11-30 DE DE112004003021T patent/DE112004003021T5/de not_active Ceased
- 2004-11-30 CN CNA2004800447700A patent/CN101091253A/zh active Pending
- 2004-11-30 WO PCT/JP2004/017809 patent/WO2006059376A1/ja active Application Filing
- 2004-11-30 GB GB0710456A patent/GB2434919B/en not_active Expired - Fee Related
- 2004-11-30 JP JP2006546542A patent/JP5014802B2/ja active Active
-
2005
- 2005-11-29 TW TW094141843A patent/TWI404173B/zh active
- 2005-11-30 US US11/291,342 patent/US7736953B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10189919A (ja) * | 1996-12-27 | 1998-07-21 | Sony Corp | 半導体記憶装置 |
JP2002100689A (ja) * | 2000-09-22 | 2002-04-05 | Toshiba Corp | 不揮発性半導体記憶装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100871547B1 (ko) | 2007-08-14 | 2008-12-01 | 주식회사 동부하이텍 | 노어 플래시 메모리 소자 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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TW200633146A (en) | 2006-09-16 |
GB0710456D0 (en) | 2007-07-11 |
JPWO2006059376A1 (ja) | 2008-06-05 |
US20060091422A1 (en) | 2006-05-04 |
US7736953B2 (en) | 2010-06-15 |
TWI404173B (zh) | 2013-08-01 |
CN101091253A (zh) | 2007-12-19 |
DE112004003021T5 (de) | 2007-10-31 |
GB2434919B (en) | 2010-05-05 |
GB2434919A (en) | 2007-08-08 |
JP5014802B2 (ja) | 2012-08-29 |
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