NL159214B - Magnetische opneem- en/of weergeefinrichting met ten minste een draaibare kop voorzien van een fluxafscherming. - Google Patents
Magnetische opneem- en/of weergeefinrichting met ten minste een draaibare kop voorzien van een fluxafscherming.Info
- Publication number
- NL159214B NL159214B NL7111058.A NL159214DA NL159214B NL 159214 B NL159214 B NL 159214B NL 159214D A NL159214D A NL 159214DA NL 159214 B NL159214 B NL 159214B
- Authority
- NL
- Netherlands
- Prior art keywords
- display device
- magnetic recording
- rotatable head
- flux shield
- head fitted
- Prior art date
Links
- 230000004907 flux Effects 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
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)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE293548X | 1950-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL159214B true NL159214B (nl) |
Family
ID=6079896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7111058.A NL159214B (nl) | 1950-02-14 | Magnetische opneem- en/of weergeefinrichting met ten minste een draaibare kop voorzien van een fluxafscherming. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2663831A (nl) |
| BE (1) | BE501244A (nl) |
| CH (1) | CH293548A (nl) |
| FR (1) | FR1032278A (nl) |
| NL (1) | NL159214B (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2888620A (en) * | 1956-04-30 | 1959-05-26 | Westinghouse Air Brake Co | High resistance semiconductor cells |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE727015C (de) * | 1935-02-06 | 1942-10-24 | Philips Patentverwaltung | Sperrschichtgleichrichter |
| NL49864C (nl) * | 1935-06-22 | |||
| US2453763A (en) * | 1945-07-07 | 1948-11-16 | Ruben Samuel | Selenium rectifier and process for making same |
-
0
- NL NL7111058.A patent/NL159214B/nl unknown
- BE BE501244D patent/BE501244A/xx unknown
-
1951
- 1951-02-06 CH CH293548D patent/CH293548A/de unknown
- 1951-02-09 US US210288A patent/US2663831A/en not_active Expired - Lifetime
- 1951-02-09 FR FR1032278D patent/FR1032278A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2663831A (en) | 1953-12-22 |
| FR1032278A (fr) | 1953-06-30 |
| CH293548A (de) | 1953-09-30 |
| BE501244A (nl) |
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