BE476635A - - Google Patents
Info
- Publication number
- BE476635A BE476635A BE476635DA BE476635A BE 476635 A BE476635 A BE 476635A BE 476635D A BE476635D A BE 476635DA BE 476635 A BE476635 A BE 476635A
- Authority
- BE
- Belgium
- Prior art keywords
- pulses
- circuit
- selenium
- duration
- relay
- Prior art date
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 12
- 229910052711 selenium Inorganic materials 0.000 claims description 12
- 239000011669 selenium Substances 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000005323 electroforming Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000009417 Helenium Nutrition 0.000 description 1
- 241000521915 Helenium Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
- H03G7/04—Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback
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)
- Rectifiers (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US604500XA | 1945-01-27 | 1945-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476635A true BE476635A (de) |
Family
ID=22029553
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476635D BE476635A (de) | 1945-01-27 | ||
| BE463050D BE463050A (de) | 1945-01-27 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463050D BE463050A (de) | 1945-01-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE463050A (de) |
| FR (2) | FR928324A (de) |
| GB (1) | GB604500A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874711A (en) * | 1987-05-26 | 1989-10-17 | Georgia Tech Research Corporation | Method for altering characteristics of active semiconductor devices |
-
0
- BE BE476635D patent/BE476635A/fr unknown
- BE BE463050D patent/BE463050A/xx unknown
-
1945
- 1945-12-28 GB GB35065/45A patent/GB604500A/en not_active Expired
-
1946
- 1946-01-24 FR FR928324D patent/FR928324A/fr not_active Expired
-
1947
- 1947-06-19 FR FR56664D patent/FR56664E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR56664E (fr) | 1952-10-02 |
| FR928324A (fr) | 1947-11-25 |
| BE463050A (de) | |
| GB604500A (en) | 1948-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2541770A1 (de) | Verzögerungsgenerator, der einen programmierbaren Widerstand aus Phasenwechselmaterial benutzt | |
| CH343534A (fr) | Redresseur électrique à cristal | |
| EP0883141B1 (de) | Magnetfeld-Heizungsprozess eines weichmagnetischen Komponents | |
| BE476635A (de) | ||
| BE510498A (fr) | Systeme de reglage de grandeurs physiques | |
| CH444959A (fr) | Procédé de détermination de la résistance électrique présente à la surface de séparation entre deux corps en contact et l'appareil pour la mise en oeuvre dudit procédé | |
| FR2503602A1 (fr) | Dispositif et procede de commande d'une machine de soudage a l'arc a modulation d'impulsions de courant continu | |
| FR2505100A1 (fr) | Dispositif laser | |
| FR2621751A1 (fr) | Procede de production d'une basse tension continue stabilisee | |
| EP1097773B1 (de) | Verfahren und Vorrichtung zur Funkenerosionsbearbeitung | |
| EP0188980B1 (de) | Einrichtung zur Herstellung von Induktionskochplatten mit mehreren einzelregelbaren Kocheinheiten und einem einzigen Generator | |
| EP1063043B1 (de) | Verfahren und Vorrichtung zur Funkenerosionsbearbeitung | |
| FR2482493A1 (fr) | Procede pour realiser des liaisons electriques a courant continu entre une piece isolee et une electrode de soudage, agencement d'electrodes pour la mise en oeuvre de ce procede et ses applications | |
| FR2539913A1 (fr) | Montage de commande electronique destine a produire un comportement de commutation monostable avec un relais bistable | |
| EP3809210B1 (de) | Elektronische vorrichtung zur steuerung der stromversorgung eines elektrohaushaltsgeräts | |
| EP1573413B1 (de) | Vorrichtung zur regelung der temperatur eines heizdrahts mit niedrigen ausgestrahlten störungen | |
| CH644290A5 (en) | Pulse generator for electrical discharge machining | |
| EP3241408A1 (de) | Optoelektronische schaltung mit leuchtdioden | |
| BE480550A (de) | ||
| CH570096A5 (en) | Two-terminal fluorescent lamp starter - has threshold trigger cct. delivering control pulses to bidirectional-conduction electronic switch | |
| EP0013843B1 (de) | Stromintensitätsdetektor für Leistungssteueranlagen elektrischer Haushaltsgeräte | |
| FR2551612A1 (fr) | Procede et dispositif de chauffage et de regulation de temperature par au moins une resistance electrique chauffant par contact | |
| BE501875A (de) | ||
| BE458593A (de) | ||
| BE529731A (de) |