BE475711A - - Google Patents
Info
- Publication number
- BE475711A BE475711A BE475711DA BE475711A BE 475711 A BE475711 A BE 475711A BE 475711D A BE475711D A BE 475711DA BE 475711 A BE475711 A BE 475711A
- Authority
- BE
- Belgium
Links
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
- H01L21/16—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 cuprous oxide or cuprous iodide
- H01L21/161—Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S420/00—Alloys or metallic compositions
- Y10S420/903—Semiconductive
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 |
|---|---|---|---|
| US234377A US2162362A (en) | 1938-10-11 | 1938-10-11 | Asymmetrical conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475711A true BE475711A (US07122603-20061017-C00294.png) |
Family
ID=22881127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475711D BE475711A (US07122603-20061017-C00294.png) | 1938-10-11 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2484252A (en) * | 1944-11-07 | 1949-10-11 | Bell Telephone Labor Inc | Asymmetrical conductor |
| BE497748A (US07122603-20061017-C00294.png) * | 1949-08-26 | |||
| US2692212A (en) * | 1950-02-09 | 1954-10-19 | Westinghouse Brake & Signal | Manufacture of dry surface contact rectifiers |
| US2721966A (en) * | 1950-06-22 | 1955-10-25 | Westinghouse Brake & Signal | Manufacture of dry surface contact rectifiers |
| US2842470A (en) * | 1953-02-03 | 1958-07-08 | Degussa | Process for increasing the scaling resistance of titanium base metals |
| BE552233A (US07122603-20061017-C00294.png) * | 1955-11-01 | 1900-01-01 | ||
| GB1020914A (en) * | 1961-11-10 | 1966-02-23 | Gen Electric | Improvements in vacuum circuit interrupter |
-
0
- NL NL65452D patent/NL65452C/xx active
- BE BE475711D patent/BE475711A/xx unknown
-
1938
- 1938-10-11 US US234377A patent/US2162362A/en not_active Expired - Lifetime
-
1947
- 1947-07-18 GB GB19265/47A patent/GB631041A/en not_active Expired
- 1947-07-22 FR FR949907D patent/FR949907A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB631041A (en) | 1949-10-26 |
| NL65452C (US07122603-20061017-C00294.png) | |
| US2162362A (en) | 1939-06-13 |
| FR949907A (fr) | 1949-09-13 |
