RO95295B1 - Procedeu de crestere a eficientei emitorului la tranzistoare bipolare - Google Patents
Procedeu de crestere a eficientei emitorului la tranzistoare bipolareInfo
- Publication number
- RO95295B1 RO95295B1 RO123351A RO12335186A RO95295B1 RO 95295 B1 RO95295 B1 RO 95295B1 RO 123351 A RO123351 A RO 123351A RO 12335186 A RO12335186 A RO 12335186A RO 95295 B1 RO95295 B1 RO 95295B1
- Authority
- RO
- Romania
- Prior art keywords
- emitter
- enhancing
- bipolar transistors
- emitter efficiency
- polysilicon
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000002708 enhancing effect Effects 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract 2
- 229920005591 polysilicon Polymers 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
Landscapes
- Bipolar Transistors (AREA)
Abstract
Inventia se refera la un procedeu de crestere a eficientei emitorului de tranzistoare bipolare. Procedeul, conform inventiei, prevede acoperirea partiala a emitorului cu un strat de bioxid de siliciu de grosime circa 5.10 exponent -6 cm, apoi depunerea pe toata suprafata emitorului a unui strat de polisiliciu, de aceeasi dopare cu emitorul, astfel încît raportul între aria emitorului, acoperita cu oxid, si cea acoperita cu polisiliciu sa fie mai mare ca 10 si apoi contactarea cu metal a polisiliciului.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO123351A RO95295B1 (ro) | 1986-05-19 | 1986-05-19 | Procedeu de crestere a eficientei emitorului la tranzistoare bipolare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO123351A RO95295B1 (ro) | 1986-05-19 | 1986-05-19 | Procedeu de crestere a eficientei emitorului la tranzistoare bipolare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO95295B1 true RO95295B1 (ro) | 1988-08-31 |
Family
ID=40904707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO123351A RO95295B1 (ro) | 1986-05-19 | 1986-05-19 | Procedeu de crestere a eficientei emitorului la tranzistoare bipolare |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO95295B1 (ro) |
-
1986
- 1986-05-19 RO RO123351A patent/RO95295B1/ro unknown
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