GB577585A - Improvements relating to alternating electric current rectifiers of the selenium type - Google Patents
Improvements relating to alternating electric current rectifiers of the selenium typeInfo
- Publication number
- GB577585A GB577585A GB391244A GB391244A GB577585A GB 577585 A GB577585 A GB 577585A GB 391244 A GB391244 A GB 391244A GB 391244 A GB391244 A GB 391244A GB 577585 A GB577585 A GB 577585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric current
- alternating electric
- improvements relating
- current rectifiers
- selenium type
- 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 abstract 2
- 229910052711 selenium Inorganic materials 0.000 title abstract 2
- 239000011669 selenium Substances 0.000 title abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052716 thallium Inorganic materials 0.000 abstract 2
- 239000004065 semiconductor Substances 0.000 abstract 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
- H01L21/12—Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate
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)
- Motor Or Generator Current Collectors (AREA)
Abstract
577,585. Asymmetrically-conducting resistances. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., THOMPSON, L. E., and JENKINS, A. March 2, 1944, No. 3912. [Class 37] A dry rectifier has a selenium semi-conductor layer covered with a first coating of alloy with no added thallium followed by a second coating of alloy containing from 0.1 to 3 per cent. of thallium. Specifications 534,043 and 576,671 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB391244A GB577585A (en) | 1944-03-02 | 1944-03-02 | Improvements relating to alternating electric current rectifiers of the selenium type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB391244A GB577585A (en) | 1944-03-02 | 1944-03-02 | Improvements relating to alternating electric current rectifiers of the selenium type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB577585A true GB577585A (en) | 1946-05-23 |
Family
ID=9767213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB391244A Expired GB577585A (en) | 1944-03-02 | 1944-03-02 | Improvements relating to alternating electric current rectifiers of the selenium type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB577585A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE950664C (en) * | 1949-07-31 | 1956-10-11 | Siemens Ag | Process for the production of dry rectifiers, in particular selenium rectifiers |
| DE1056746B (en) * | 1939-01-22 | 1959-05-06 | Standard Elek K Lorenz Ag | Process for the manufacture of selenium rectifiers |
| DE973864C (en) * | 1950-02-12 | 1960-06-30 | Standard Elek K Lorenz Ag | Selenium barrier rectifier |
-
1944
- 1944-03-02 GB GB391244A patent/GB577585A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1056746B (en) * | 1939-01-22 | 1959-05-06 | Standard Elek K Lorenz Ag | Process for the manufacture of selenium rectifiers |
| DE950664C (en) * | 1949-07-31 | 1956-10-11 | Siemens Ag | Process for the production of dry rectifiers, in particular selenium rectifiers |
| DE973864C (en) * | 1950-02-12 | 1960-06-30 | Standard Elek K Lorenz Ag | Selenium barrier rectifier |
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