JPH0416435Y2 - - Google Patents
Info
- Publication number
- JPH0416435Y2 JPH0416435Y2 JP18690086U JP18690086U JPH0416435Y2 JP H0416435 Y2 JPH0416435 Y2 JP H0416435Y2 JP 18690086 U JP18690086 U JP 18690086U JP 18690086 U JP18690086 U JP 18690086U JP H0416435 Y2 JPH0416435 Y2 JP H0416435Y2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor
- magnet
- holder
- attraction
- sulfuric acid
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 claims description 45
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000000758 substrate Substances 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18690086U JPH0416435Y2 (cs) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18690086U JPH0416435Y2 (cs) | 1986-12-05 | 1986-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6393636U JPS6393636U (cs) | 1988-06-17 |
| JPH0416435Y2 true JPH0416435Y2 (cs) | 1992-04-13 |
Family
ID=31136883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18690086U Expired JPH0416435Y2 (cs) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416435Y2 (cs) |
-
1986
- 1986-12-05 JP JP18690086U patent/JPH0416435Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6393636U (cs) | 1988-06-17 |
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