TW275149B - - Google Patents
Info
- Publication number
- TW275149B TW275149B TW084101364A TW84101364A TW275149B TW 275149 B TW275149 B TW 275149B TW 084101364 A TW084101364 A TW 084101364A TW 84101364 A TW84101364 A TW 84101364A TW 275149 B TW275149 B TW 275149B
- Authority
- TW
- Taiwan
Links
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5692—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency read-only digital stores using storage elements with more than two stable states
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Dram (AREA)
- Read Only Memory (AREA)
- Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3768794A JPH07226446A (ja) | 1994-02-12 | 1994-02-12 | 半導体装置及びその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW275149B true TW275149B (US06373033-20020416-M00071.png) | 1996-05-01 |
Family
ID=12504495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW084101364A TW275149B (US06373033-20020416-M00071.png) | 1994-02-12 | 1995-02-15 |
Country Status (6)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5693551A (en) * | 1995-09-19 | 1997-12-02 | United Microelectronics, Corporation | Method for fabricating a tri-state read-only memory device |
| JP3634086B2 (ja) | 1996-08-13 | 2005-03-30 | 株式会社半導体エネルギー研究所 | 絶縁ゲイト型半導体装置の作製方法 |
| JP4014676B2 (ja) | 1996-08-13 | 2007-11-28 | 株式会社半導体エネルギー研究所 | 絶縁ゲイト型半導体装置およびその作製方法 |
| JP4103968B2 (ja) | 1996-09-18 | 2008-06-18 | 株式会社半導体エネルギー研究所 | 絶縁ゲイト型半導体装置 |
| KR100500033B1 (ko) | 1996-10-15 | 2005-09-08 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치 |
| JP4104701B2 (ja) * | 1997-06-26 | 2008-06-18 | 株式会社半導体エネルギー研究所 | 半導体装置 |
| US6686623B2 (en) | 1997-11-18 | 2004-02-03 | Semiconductor Energy Laboratory Co., Ltd. | Nonvolatile memory and electronic apparatus |
| JP4236722B2 (ja) * | 1998-02-05 | 2009-03-11 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| US6238982B1 (en) * | 1999-04-13 | 2001-05-29 | Advanced Micro Devices | Multiple threshold voltage semiconductor device fabrication technology |
| US6724037B2 (en) * | 2000-07-21 | 2004-04-20 | Semiconductor Energy Laboratory Co., Ltd. | Nonvolatile memory and semiconductor device |
| US6683337B2 (en) * | 2001-02-09 | 2004-01-27 | Micron Technology, Inc. | Dynamic memory based on single electron storage |
| KR100650867B1 (ko) * | 2005-12-29 | 2006-11-28 | 동부일렉트로닉스 주식회사 | 협채널 금속 산화물 반도체 트랜지스터 |
| US20120244668A1 (en) * | 2011-03-25 | 2012-09-27 | Jeesung Jung | Semiconductor devices with layout controlled channel and associated processes of manufacturing |
| US8742481B2 (en) | 2011-08-16 | 2014-06-03 | Micron Technology, Inc. | Apparatuses and methods comprising a channel region having different minority carrier lifetimes |
| US10069015B2 (en) | 2016-09-26 | 2018-09-04 | International Business Machines Corporation | Width adjustment of stacked nanowires |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4272830A (en) * | 1978-12-22 | 1981-06-09 | Motorola, Inc. | ROM Storage location having more than two states |
| US4317273A (en) * | 1979-11-13 | 1982-03-02 | Texas Instruments Incorporated | Method of making high coupling ratio DMOS electrically programmable ROM |
| US4395725A (en) * | 1980-10-14 | 1983-07-26 | Parekh Rajesh H | Segmented channel field effect transistors |
| JPS59148360A (ja) * | 1983-02-14 | 1984-08-25 | Fujitsu Ltd | 半導体記憶装置及びその製造方法 |
| US4811066A (en) * | 1987-10-19 | 1989-03-07 | Motorola, Inc. | Compact multi-state ROM cell |
| US5168465A (en) * | 1988-06-08 | 1992-12-01 | Eliyahou Harari | Highly compact EPROM and flash EEPROM devices |
| JPH03185758A (ja) * | 1989-12-14 | 1991-08-13 | Sharp Corp | 半導体装置の製造方法 |
| IT1240669B (it) * | 1990-02-27 | 1993-12-17 | Sgs Thomson Microelectronics | Procedimento di programmazione atto a definire almeno quattro differenti livelli di corrente in una cella di memoria rom |
| US5285069A (en) * | 1990-11-21 | 1994-02-08 | Ricoh Company, Ltd. | Array of field effect transistors of different threshold voltages in same semiconductor integrated circuit |
| JPH0555566A (ja) * | 1991-08-28 | 1993-03-05 | Nec Corp | 半導体装置 |
| US5306657A (en) * | 1993-03-22 | 1994-04-26 | United Microelectronics Corporation | Process for forming an FET read only memory device |
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1994
- 1994-02-12 JP JP3768794A patent/JPH07226446A/ja active Pending
-
1995
- 1995-02-10 DE DE69500586T patent/DE69500586T2/de not_active Expired - Lifetime
- 1995-02-10 EP EP95101831A patent/EP0667644B1/en not_active Expired - Lifetime
- 1995-02-10 US US08/386,477 patent/US5629548A/en not_active Expired - Fee Related
- 1995-02-10 KR KR1019940002480A patent/KR950025987A/ko not_active Application Discontinuation
- 1995-02-15 TW TW084101364A patent/TW275149B/zh not_active IP Right Cessation
-
1996
- 1996-12-20 US US08/771,287 patent/US5885872A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR950025987A (ko) | 1995-09-18 |
| EP0667644A1 (en) | 1995-08-16 |
| US5885872A (en) | 1999-03-23 |
| JPH07226446A (ja) | 1995-08-22 |
| EP0667644B1 (en) | 1997-08-27 |
| DE69500586D1 (de) | 1997-10-02 |
| US5629548A (en) | 1997-05-13 |
| DE69500586T2 (de) | 1998-02-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |