CH219506A - Process for manufacturing selenium rectifier valve disks. - Google Patents
Process for manufacturing selenium rectifier valve disks.Info
- Publication number
- CH219506A CH219506A CH219506DA CH219506A CH 219506 A CH219506 A CH 219506A CH 219506D A CH219506D A CH 219506DA CH 219506 A CH219506 A CH 219506A
- Authority
- CH
- Switzerland
- Prior art keywords
- valve disks
- selenium rectifier
- rectifier valve
- manufacturing selenium
- manufacturing
- Prior art date
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method 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
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
- H01L21/145—Ageing
-
- 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
- H01L21/14—Treatment of the complete device, e.g. by electroforming to form a barrier
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)
- Health & Medical Sciences (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Thermistors And Varistors (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0019651 | 1940-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH219506A true CH219506A (en) | 1942-02-15 |
Family
ID=7475905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH219506D CH219506A (en) | 1940-08-05 | 1941-07-11 | Process for manufacturing selenium rectifier valve disks. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE442281A (en) |
CH (1) | CH219506A (en) |
DE (1) | DE878533C (en) |
FR (1) | FR873862A (en) |
NL (1) | NL60552C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1205194B (en) * | 1963-01-18 | 1965-11-18 | Licentia Gmbh | Method for preventing corrosion in selenium rectifiers |
-
1940
- 1940-08-06 DE DES19651D patent/DE878533C/en not_active Expired
-
1941
- 1941-07-11 CH CH219506D patent/CH219506A/en unknown
- 1941-07-16 FR FR873862D patent/FR873862A/en not_active Expired
- 1941-07-29 BE BE442281A patent/BE442281A/en unknown
- 1941-07-30 NL NL102344A patent/NL60552C/nl active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1205194B (en) * | 1963-01-18 | 1965-11-18 | Licentia Gmbh | Method for preventing corrosion in selenium rectifiers |
Also Published As
Publication number | Publication date |
---|---|
FR873862A (en) | 1942-07-22 |
BE442281A (en) | 1941-08-30 |
NL60552C (en) | 1948-01-16 |
DE878533C (en) | 1953-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH311961A (en) | Process for the manufacture of selenium rectifiers. | |
CH225868A (en) | Selenium rectifier. | |
CH224999A (en) | Procedure for marking magnetogram carriers. | |
CH258123A (en) | Selenium rectifier. | |
CH214020A (en) | Process for the manufacture of selenium rectifiers. | |
CH261491A (en) | Method of manufacturing a crystal rectifier. | |
CH210212A (en) | Diazo light pause method. | |
CH212517A (en) | Process for the production of selenium rectifiers and selenium photocells. | |
CH219506A (en) | Process for manufacturing selenium rectifier valve disks. | |
CH226687A (en) | Process for the preparation of methyl isocyanate. | |
CH206837A (en) | Process for the manufacture of selenium rectifiers. | |
CH213808A (en) | Process for the manufacture of barrier photocells. | |
CH214717A (en) | Method of manufacturing a selenium rectifier. | |
CH222059A (en) | Method of manufacturing a dry rectifier valve. | |
CH219501A (en) | Rectifier disc. | |
CH265512A (en) | Process for the preparation of durable solutions of polythionates. | |
CH225775A (en) | Process for the production of zeolites. | |
CH209754A (en) | Process for the manufacture of selenium discs for selenium rectifiers and photo cells. | |
GR7532B (en) | METHOD FOR MANUFACTURING TIRE - HYDROCALIND. | |
GR7803B (en) | BACTERIA MANUFACTURING METHOD. | |
CH216055A (en) | Valve disc for rectifiers and process for their manufacture | |
FR855674A (en) | Advanced valve | |
CH221936A (en) | Process for the softening of polyurethanes. | |
CH236303A (en) | Process for the production of selenium rectifier disks. | |
CH225156A (en) | Process for the preparation of formaldehyde solutions. |