JPS524183A - Manufacturing method of semiconductor devices - Google Patents
Manufacturing method of semiconductor devicesInfo
- Publication number
- JPS524183A JPS524183A JP7974375A JP7974375A JPS524183A JP S524183 A JPS524183 A JP S524183A JP 7974375 A JP7974375 A JP 7974375A JP 7974375 A JP7974375 A JP 7974375A JP S524183 A JPS524183 A JP S524183A
- Authority
- JP
- Japan
- Prior art keywords
- manufacturing
- semiconductor devices
- reduced
- selective
- oxidation
- 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
Abstract
PURPOSE: After formation of the P well, the selective diffusion is made and at the same time the selective oxidation is employed. Stepped portion on the surface of field oxidation is reduced and leaking current also is reduced and the intergration density is improved.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7974375A JPS524183A (en) | 1975-06-28 | 1975-06-28 | Manufacturing method of semiconductor devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7974375A JPS524183A (en) | 1975-06-28 | 1975-06-28 | Manufacturing method of semiconductor devices |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS524183A true JPS524183A (en) | 1977-01-13 |
Family
ID=13698688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7974375A Pending JPS524183A (en) | 1975-06-28 | 1975-06-28 | Manufacturing method of semiconductor devices |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS524183A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919779A (en) * | 1972-04-14 | 1974-02-21 | ||
JPS4944555A (en) * | 1972-09-04 | 1974-04-26 |
-
1975
- 1975-06-28 JP JP7974375A patent/JPS524183A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919779A (en) * | 1972-04-14 | 1974-02-21 | ||
JPS4944555A (en) * | 1972-09-04 | 1974-04-26 |
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