JPS5519868A - Semiconductor - Google Patents
SemiconductorInfo
- Publication number
- JPS5519868A JPS5519868A JP9290678A JP9290678A JPS5519868A JP S5519868 A JPS5519868 A JP S5519868A JP 9290678 A JP9290678 A JP 9290678A JP 9290678 A JP9290678 A JP 9290678A JP S5519868 A JPS5519868 A JP S5519868A
- Authority
- JP
- Japan
- Prior art keywords
- ranges
- type
- drain
- source
- range
- 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 Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
PURPOSE: To provide at the both ends of source and drain ranges the shallow ranges of the same conduction type as said source and drain ranges and the decreasing the contact surfaces of said shallow ranges with the opposite conduction type ranges which surround said source and drain ranges for decreasing the capacity of the coupling of said shallow ranges and thereby raising the operational speed of MIS. IC.
CONSTITUTION: P--type ranges 12 are diffusedly formed at the both end portions of a p--type semiconductor 11, thick field oxidized films 13 are deposited on said ranges 12, and N+-type source range 14a and drain range 14b are diffusedly formed at the surface range surrounded by said films 13 of said substrate 11. N-type ranges 20a and 20b both shallower than said ranges 14a and 14b are newly provided at said ranges 14a and 14b, and the contact surfaces of said ranges 14a and 14b with said range 12 is decreased in width W'. At the same time, the both end portions of the gate electrode 15 buried in said oxidized film 13 are located on said shallower ranges 20a and 20b. Thereby, the contact capacity generated between said ranges 14a and 14b and 12 decreases and the operational speed of MIS.IC having IGFET as component is raised.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290678A JPS5519868A (en) | 1978-07-28 | 1978-07-28 | Semiconductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290678A JPS5519868A (en) | 1978-07-28 | 1978-07-28 | Semiconductor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5519868A true JPS5519868A (en) | 1980-02-12 |
Family
ID=14067517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9290678A Pending JPS5519868A (en) | 1978-07-28 | 1978-07-28 | Semiconductor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5519868A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS606565A (en) * | 1983-05-20 | 1985-01-14 | マシ−ネンフアブリク・リ−タ−・アクチエンゲゼルシヤフト | Cotton treating machine with multipurpose handling mechanismof bobbin |
-
1978
- 1978-07-28 JP JP9290678A patent/JPS5519868A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS606565A (en) * | 1983-05-20 | 1985-01-14 | マシ−ネンフアブリク・リ−タ−・アクチエンゲゼルシヤフト | Cotton treating machine with multipurpose handling mechanismof bobbin |
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