JPS6453464A - Nonvolatile memory - Google Patents
Nonvolatile memoryInfo
- Publication number
- JPS6453464A JPS6453464A JP63182854A JP18285488A JPS6453464A JP S6453464 A JPS6453464 A JP S6453464A JP 63182854 A JP63182854 A JP 63182854A JP 18285488 A JP18285488 A JP 18285488A JP S6453464 A JPS6453464 A JP S6453464A
- Authority
- JP
- Japan
- Prior art keywords
- offset region
- offset
- electric field
- region
- diffusion layer
- 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
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
PURPOSE:To realize a memory large in capacity, operational at high speed, simplified in a manufacturing process, and high in yield by a method wherein a transistor provided to an offset region is utilized as a nonvolatile memory. CONSTITUTION:A source diffusion layer N<+>2 and a drain diffusion layer N<+>3 are formed on a P<-> silicon substrate 1, then a silicon oxide film 5 and a silicon nitride film 6 are built, a gate electrode 9 is formed, and thereafter an offset region 4 comparatively low in concentration is formed on an offset section through an ion-implantation method. And, the electric field is made to be concentrated onto the offset region 4, carriers accelerated by the strong electric field are trapped by a trapping level in the upper part of the offset region 4 or a storage region such as a floating electrode or the like equivalent to the trapping level so as to find a transistor to be '0' or '1'.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63182854A JPS6453464A (en) | 1988-07-22 | 1988-07-22 | Nonvolatile memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63182854A JPS6453464A (en) | 1988-07-22 | 1988-07-22 | Nonvolatile memory |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6453464A true JPS6453464A (en) | 1989-03-01 |
Family
ID=16125617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63182854A Pending JPS6453464A (en) | 1988-07-22 | 1988-07-22 | Nonvolatile memory |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6453464A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS509388A (en) * | 1973-05-22 | 1975-01-30 | ||
JPS5125985A (en) * | 1974-08-28 | 1976-03-03 | Tokyo Shibaura Electric Co |
-
1988
- 1988-07-22 JP JP63182854A patent/JPS6453464A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS509388A (en) * | 1973-05-22 | 1975-01-30 | ||
JPS5125985A (en) * | 1974-08-28 | 1976-03-03 | Tokyo Shibaura Electric Co |
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