JPH02144774U - - Google Patents
Info
- Publication number
- JPH02144774U JPH02144774U JP5304489U JP5304489U JPH02144774U JP H02144774 U JPH02144774 U JP H02144774U JP 5304489 U JP5304489 U JP 5304489U JP 5304489 U JP5304489 U JP 5304489U JP H02144774 U JPH02144774 U JP H02144774U
- Authority
- JP
- Japan
- Prior art keywords
- negative ion
- generated
- ion potential
- amplifier
- detection plate
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304489U JPH02144774U (en]) | 1989-05-10 | 1989-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5304489U JPH02144774U (en]) | 1989-05-10 | 1989-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144774U true JPH02144774U (en]) | 1990-12-07 |
Family
ID=31573884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5304489U Pending JPH02144774U (en]) | 1989-05-10 | 1989-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144774U (en]) |
-
1989
- 1989-05-10 JP JP5304489U patent/JPH02144774U/ja active Pending
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