GB8907262D0 - Electrically-programmable semiconductor memories - Google Patents
Electrically-programmable semiconductor memoriesInfo
- Publication number
- GB8907262D0 GB8907262D0 GB898907262A GB8907262A GB8907262D0 GB 8907262 D0 GB8907262 D0 GB 8907262D0 GB 898907262 A GB898907262 A GB 898907262A GB 8907262 A GB8907262 A GB 8907262A GB 8907262 D0 GB8907262 D0 GB 8907262D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrically
- semiconductor memories
- programmable semiconductor
- programmable
- memories
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000015654 memory Effects 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 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
- H01L29/7881—Programmable transistors with only two possible levels of programmation
- H01L29/7884—Programmable transistors with only two possible levels of programmation charging by hot carrier injection
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
- H01L29/42328—Gate electrodes for transistors with a floating gate with at least one additional gate other than the floating gate and the control gate, e.g. program gate, erase gate or select gate
Landscapes
- 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)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898907262A GB8907262D0 (en) | 1989-03-31 | 1989-03-31 | Electrically-programmable semiconductor memories |
GB8921445A GB2229858A (en) | 1989-03-31 | 1989-09-22 | Electrically-programmable semiconductor memories |
EP90200702A EP0393737B1 (en) | 1989-03-31 | 1990-03-26 | Electrically-programmable semiconductor memories |
AT90200702T ATE123590T1 (en) | 1989-03-31 | 1990-03-26 | ELECTRICALLY PROGRAMMABLE SEMICONDUCTOR MEMORY. |
DE69019872T DE69019872T2 (en) | 1989-03-31 | 1990-03-26 | Electrically programmable semiconductor memories. |
HU901878A HUT56459A (en) | 1989-03-31 | 1990-03-28 | Elelctrically programmable semiconductor memory |
KR1019900004144A KR0185978B1 (en) | 1989-03-31 | 1990-03-28 | Electrically-programmable semiconductor memories with buried injector region |
JP8729490A JP2972954B2 (en) | 1989-03-31 | 1990-03-30 | Programmable semiconductor memory |
US07/745,992 US5216269A (en) | 1989-03-31 | 1991-08-08 | Electrically-programmable semiconductor memories with buried injector region |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898907262A GB8907262D0 (en) | 1989-03-31 | 1989-03-31 | Electrically-programmable semiconductor memories |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8907262D0 true GB8907262D0 (en) | 1989-05-17 |
Family
ID=10654235
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898907262A Pending GB8907262D0 (en) | 1989-03-31 | 1989-03-31 | Electrically-programmable semiconductor memories |
GB8921445A Withdrawn GB2229858A (en) | 1989-03-31 | 1989-09-22 | Electrically-programmable semiconductor memories |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8921445A Withdrawn GB2229858A (en) | 1989-03-31 | 1989-09-22 | Electrically-programmable semiconductor memories |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR0185978B1 (en) |
GB (2) | GB8907262D0 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163985A (en) * | 1977-09-30 | 1979-08-07 | The United States Of America As Represented By The Secretary Of The Air Force | Nonvolatile punch through memory cell with buried n+ region in channel |
-
1989
- 1989-03-31 GB GB898907262A patent/GB8907262D0/en active Pending
- 1989-09-22 GB GB8921445A patent/GB2229858A/en not_active Withdrawn
-
1990
- 1990-03-28 KR KR1019900004144A patent/KR0185978B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2229858A (en) | 1990-10-03 |
KR900015338A (en) | 1990-10-26 |
KR0185978B1 (en) | 1999-03-20 |
GB8921445D0 (en) | 1989-11-08 |
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