JPH0341989B2 - - Google Patents
Info
- Publication number
- JPH0341989B2 JPH0341989B2 JP24936785A JP24936785A JPH0341989B2 JP H0341989 B2 JPH0341989 B2 JP H0341989B2 JP 24936785 A JP24936785 A JP 24936785A JP 24936785 A JP24936785 A JP 24936785A JP H0341989 B2 JPH0341989 B2 JP H0341989B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- memory cell
- write
- floating gate
- transistor
- 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.)
- Expired - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 claims description 12
- 239000000969 carrier Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Classifications
-
- 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
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Read Only Memory (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60249367A JPS62109368A (ja) | 1985-11-07 | 1985-11-07 | 半導体記憶装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60249367A JPS62109368A (ja) | 1985-11-07 | 1985-11-07 | 半導体記憶装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62109368A JPS62109368A (ja) | 1987-05-20 |
| JPH0341989B2 true JPH0341989B2 (fr) | 1991-06-25 |
Family
ID=17191970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60249367A Granted JPS62109368A (ja) | 1985-11-07 | 1985-11-07 | 半導体記憶装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109368A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0982402A (ja) * | 1995-09-07 | 1997-03-28 | Yazaki Corp | シールパッキン及び機器直付けコネクタ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632464B2 (fr) * | 1977-10-03 | 1981-07-28 | ||
| JPS6065576A (ja) * | 1983-09-21 | 1985-04-15 | Fujitsu Ltd | 半導体記憶装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632464U (fr) * | 1979-08-17 | 1981-03-30 |
-
1985
- 1985-11-07 JP JP60249367A patent/JPS62109368A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632464B2 (fr) * | 1977-10-03 | 1981-07-28 | ||
| JPS6065576A (ja) * | 1983-09-21 | 1985-04-15 | Fujitsu Ltd | 半導体記憶装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62109368A (ja) | 1987-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |