JPH0436252U - - Google Patents
Info
- Publication number
- JPH0436252U JPH0436252U JP1990077616U JP7761690U JPH0436252U JP H0436252 U JPH0436252 U JP H0436252U JP 1990077616 U JP1990077616 U JP 1990077616U JP 7761690 U JP7761690 U JP 7761690U JP H0436252 U JPH0436252 U JP H0436252U
- Authority
- JP
- Japan
- Prior art keywords
- impurity diffusion
- conductivity type
- diffusion layer
- semiconductor device
- groove
- 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
- 238000009792 diffusion process Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Element Separation (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990077616U JPH0436252U (en]) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990077616U JPH0436252U (en]) | 1990-07-20 | 1990-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0436252U true JPH0436252U (en]) | 1992-03-26 |
Family
ID=31620168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990077616U Pending JPH0436252U (en]) | 1990-07-20 | 1990-07-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0436252U (en]) |
-
1990
- 1990-07-20 JP JP1990077616U patent/JPH0436252U/ja active Pending