FR894166A - Method of manufacturing discs for selenium dry straighteners - Google Patents
Method of manufacturing discs for selenium dry straightenersInfo
- Publication number
- FR894166A FR894166A FR894166DA FR894166A FR 894166 A FR894166 A FR 894166A FR 894166D A FR894166D A FR 894166DA FR 894166 A FR894166 A FR 894166A
- Authority
- FR
- France
- Prior art keywords
- straighteners
- selenium dry
- manufacturing discs
- discs
- manufacturing
- 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
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052711 selenium Inorganic materials 0.000 title 1
- 239000011669 selenium Substances 0.000 title 1
Classifications
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
- H01L21/10—Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
- H01L21/105—Treatment of the surface of the selenium or tellurium layer after having been made conductive
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES142504D DE754896C (en) | 1940-10-02 | 1940-10-02 | Process for the production of disks for selenium dry rectifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR894166A true FR894166A (en) | 1944-12-15 |
Family
ID=45861545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR894166D Expired FR894166A (en) | 1940-10-02 | 1943-04-22 | Method of manufacturing discs for selenium dry straighteners |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE754896C (en) |
| FR (1) | FR894166A (en) |
| NL (1) | NL58973C (en) |
-
0
- NL NL58973D patent/NL58973C/xx active
-
1940
- 1940-10-02 DE DES142504D patent/DE754896C/en not_active Expired
-
1943
- 1943-04-22 FR FR894166D patent/FR894166A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE754896C (en) | 1952-11-10 |
| NL58973C (en) |
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