CH571769A5 - - Google Patents
Info
- Publication number
- CH571769A5 CH571769A5 CH604474A CH604474A CH571769A5 CH 571769 A5 CH571769 A5 CH 571769A5 CH 604474 A CH604474 A CH 604474A CH 604474 A CH604474 A CH 604474A CH 571769 A5 CH571769 A5 CH 571769A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thyristors (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH604474A CH571769A5 (fi) | 1974-05-03 | 1974-05-03 | |
| DE19742425540 DE2425540C2 (de) | 1974-05-03 | 1974-05-27 | Spannungsbegrenzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH604474A CH571769A5 (fi) | 1974-05-03 | 1974-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH571769A5 true CH571769A5 (fi) | 1976-01-15 |
Family
ID=4303311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH604474A CH571769A5 (fi) | 1974-05-03 | 1974-05-03 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH571769A5 (fi) |
| DE (1) | DE2425540C2 (fi) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1263548A (fr) * | 1959-07-14 | 1961-06-09 | Ericsson Telefon Ab L M | Dispositif semi-conducteur du type pnpn et son procédé de fabrication |
-
1974
- 1974-05-03 CH CH604474A patent/CH571769A5/xx not_active IP Right Cessation
- 1974-05-27 DE DE19742425540 patent/DE2425540C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2425540C2 (de) | 1983-10-06 |
| DE2425540A1 (de) | 1975-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |