BE490438A - - Google Patents
Info
- Publication number
- BE490438A BE490438A BE490438DA BE490438A BE 490438 A BE490438 A BE 490438A BE 490438D A BE490438D A BE 490438DA BE 490438 A BE490438 A BE 490438A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/01—Manufacture or treatment
- H10D48/04—Manufacture or treatment of devices having bodies comprising selenium or tellurium in uncombined form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1010427T | 1948-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490438A true BE490438A (mo) |
Family
ID=9568994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490438D BE490438A (mo) | 1948-08-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2673948A (mo) |
| BE (1) | BE490438A (mo) |
| CH (1) | CH287690A (mo) |
| FR (1) | FR1010427A (mo) |
| GB (1) | GB697164A (mo) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2748041A (en) * | 1952-08-30 | 1956-05-29 | Rca Corp | Semiconductor devices and their manufacture |
| US2776367A (en) * | 1952-11-18 | 1957-01-01 | Lebovec Kurt | Photon modulation in semiconductors |
| DE1026876B (de) * | 1953-06-17 | 1958-03-27 | Telefunken Gmbh | Verfahren zur Herstellung von p-n-UEbergaengen bestimmter Sperrschichtgroesse |
| US2792539A (en) * | 1953-07-07 | 1957-05-14 | Sprague Electric Co | Transistor construction |
| US2870345A (en) * | 1954-02-02 | 1959-01-20 | Philips Corp | Amplification control of a transistor |
| US2778980A (en) * | 1954-08-30 | 1957-01-22 | Gen Electric | High power junction semiconductor device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US837616A (en) * | 1906-03-23 | 1906-12-04 | Henry H C Dunwoody | Wireless-telegraph system. |
| US1949383A (en) * | 1930-02-13 | 1934-02-27 | Ind Dev Corp | Electronic device |
| NL60402C (mo) * | 1940-07-03 | |||
| US2555001A (en) * | 1947-02-04 | 1951-05-29 | Bell Telephone Labor Inc | Bonded article and method of bonding |
| BE481067A (mo) * | 1947-05-23 | |||
| US2524035A (en) * | 1948-02-26 | 1950-10-03 | Bell Telphone Lab Inc | Three-electrode circuit element utilizing semiconductive materials |
| NL75792C (mo) * | 1948-05-19 | |||
| US2569347A (en) * | 1948-06-26 | 1951-09-25 | Bell Telephone Labor Inc | Circuit element utilizing semiconductive material |
| NL79529C (mo) * | 1948-09-24 | |||
| US2538593A (en) * | 1949-04-30 | 1951-01-16 | Rca Corp | Semiconductor amplifier construction |
-
0
- BE BE490438D patent/BE490438A/xx unknown
-
1948
- 1948-08-13 FR FR1010427D patent/FR1010427A/fr not_active Expired
-
1949
- 1949-07-14 CH CH287690D patent/CH287690A/fr unknown
- 1949-08-03 GB GB20191/49A patent/GB697164A/en not_active Expired
- 1949-08-11 US US109752A patent/US2673948A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH287690A (fr) | 1952-12-15 |
| FR1010427A (fr) | 1952-06-11 |
| US2673948A (en) | 1954-03-30 |
| GB697164A (en) | 1953-09-16 |