RO92254B1 - Procedeu de obtinere a structurilor de diode zenner de tensiune mica - Google Patents
Procedeu de obtinere a structurilor de diode zenner de tensiune micaInfo
- Publication number
- RO92254B1 RO92254B1 RO117729A RO11772985A RO92254B1 RO 92254 B1 RO92254 B1 RO 92254B1 RO 117729 A RO117729 A RO 117729A RO 11772985 A RO11772985 A RO 11772985A RO 92254 B1 RO92254 B1 RO 92254B1
- Authority
- RO
- Romania
- Prior art keywords
- zenner
- low voltage
- voltage
- obtaining
- epitaxial layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 abstract 1
Landscapes
- Semiconductor Integrated Circuits (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a structurilor de diode Zenner de tensiune mica, utilizate ca referinta de tensiune în aplicatiile care necesita o tensiune relativ constanta, pâna la 10 V. procedeul, conform inventiei, consta în tratat ea termica la temperatura de 1150 degree C timp de peste 2 h a plachetei de siliciu de tip n, pe care s-a crescut stratul epitaxial pentru asigurarea oxidifuziei de impuritati din placheta în stratul epitaxial si doparii acestuia din urma cu un profil scazator spre suprafata, urmata de difuzia unui strat p+ de adâncime predeterminata, functie de asigurarea tensiunii Zenner necesare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO117729A RO92254B1 (ro) | 1985-02-22 | 1985-02-22 | Procedeu de obtinere a structurilor de diode zenner de tensiune mica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO117729A RO92254B1 (ro) | 1985-02-22 | 1985-02-22 | Procedeu de obtinere a structurilor de diode zenner de tensiune mica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO92254A2 RO92254A2 (ro) | 1987-08-31 |
| RO92254B1 true RO92254B1 (ro) | 1987-09-01 |
Family
ID=20116615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO117729A RO92254B1 (ro) | 1985-02-22 | 1985-02-22 | Procedeu de obtinere a structurilor de diode zenner de tensiune mica |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO92254B1 (ro) |
-
1985
- 1985-02-22 RO RO117729A patent/RO92254B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO92254A2 (ro) | 1987-08-31 |
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