BE442281A - Procédé de fabrication des disques de soupapes redresseuses au sélénium - Google Patents
Procédé de fabrication des disques de soupapes redresseuses au séléniumInfo
- Publication number
- BE442281A BE442281A BE442281A BE442281A BE442281A BE 442281 A BE442281 A BE 442281A BE 442281 A BE442281 A BE 442281A BE 442281 A BE442281 A BE 442281A BE 442281 A BE442281 A BE 442281A
- Authority
- BE
- Belgium
- Prior art keywords
- bath
- formation
- volts
- voltage
- discs
- Prior art date
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims description 17
- 229910052711 selenium Inorganic materials 0.000 title claims description 17
- 239000011669 selenium Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 26
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 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)
- Electrolytic Production Of Metals (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0019651 | 1940-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442281A true BE442281A (fr) | 1941-08-30 |
Family
ID=7475905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442281A BE442281A (fr) | 1940-08-05 | 1941-07-29 | Procédé de fabrication des disques de soupapes redresseuses au sélénium |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE442281A (nl) |
| CH (1) | CH219506A (nl) |
| DE (1) | DE878533C (nl) |
| FR (1) | FR873862A (nl) |
| NL (1) | NL60552C (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1205194B (de) * | 1963-01-18 | 1965-11-18 | Licentia Gmbh | Verfahren zum Verhindern einer Korrosion bei Selengleichrichtern |
-
1940
- 1940-08-06 DE DES19651D patent/DE878533C/de not_active Expired
-
1941
- 1941-07-11 CH CH219506D patent/CH219506A/de unknown
- 1941-07-16 FR FR873862D patent/FR873862A/fr not_active Expired
- 1941-07-29 BE BE442281A patent/BE442281A/fr unknown
- 1941-07-30 NL NL102344A patent/NL60552C/nl active
Also Published As
| Publication number | Publication date |
|---|---|
| FR873862A (fr) | 1942-07-22 |
| DE878533C (de) | 1953-06-05 |
| NL60552C (nl) | 1948-01-16 |
| CH219506A (de) | 1942-02-15 |
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