JPH0569297B2 - - Google Patents
Info
- Publication number
- JPH0569297B2 JPH0569297B2 JP61210197A JP21019786A JPH0569297B2 JP H0569297 B2 JPH0569297 B2 JP H0569297B2 JP 61210197 A JP61210197 A JP 61210197A JP 21019786 A JP21019786 A JP 21019786A JP H0569297 B2 JPH0569297 B2 JP H0569297B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- emitter electrode
- semiconductor layer
- film
- photoresist film
- 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 - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 claims description 38
- 229920002120 photoresistant polymer Polymers 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Landscapes
- Bipolar Transistors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61210197A JPS6365670A (ja) | 1986-09-05 | 1986-09-05 | バイポ−ラトランジスタの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61210197A JPS6365670A (ja) | 1986-09-05 | 1986-09-05 | バイポ−ラトランジスタの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6365670A JPS6365670A (ja) | 1988-03-24 |
| JPH0569297B2 true JPH0569297B2 (enrdf_load_stackoverflow) | 1993-09-30 |
Family
ID=16585392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61210197A Granted JPS6365670A (ja) | 1986-09-05 | 1986-09-05 | バイポ−ラトランジスタの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6365670A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2550715B2 (ja) * | 1989-08-02 | 1996-11-06 | 日本電気株式会社 | 半導体装置 |
-
1986
- 1986-09-05 JP JP61210197A patent/JPS6365670A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6365670A (ja) | 1988-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |