NL235410A - - Google Patents
Info
- Publication number
- NL235410A NL235410A NL235410DA NL235410A NL 235410 A NL235410 A NL 235410A NL 235410D A NL235410D A NL 235410DA NL 235410 A NL235410 A NL 235410A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/04—Main electrodes; Auxiliary anodes
- H01J13/06—Cathodes
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/08—Germanium
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0075—Cathodic cups
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL235410 | 1959-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL235410A true NL235410A (en:Method) | 1900-01-01 |
Family
ID=19751533
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL235410D NL235410A (en:Method) | 1959-01-23 | ||
| NL101161D NL101161C (en:Method) | 1959-01-23 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL101161D NL101161C (en:Method) | 1959-01-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3047380A (en:Method) |
| DE (1) | DE1187803B (en:Method) |
| GB (1) | GB939848A (en:Method) |
| NL (2) | NL101161C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163523A (en) * | 1962-06-27 | 1964-12-29 | Sylvania Electric Prod | Method of purifying germanium |
| GB1488376A (en) * | 1974-08-06 | 1977-10-12 | Standard Telephones Cables Ltd | Glass |
| DE2607911A1 (de) * | 1976-02-26 | 1977-09-01 | Siemens Ag | Verfahren zur reinigung eines germaniumkoerpers |
| US4690725A (en) * | 1985-11-22 | 1987-09-01 | Cominco Ltd. | Purification of Cd and Te by zone refining |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL69164C (en:Method) * | 1948-08-23 | 1900-01-01 | ||
| AT189229B (de) * | 1954-06-24 | 1957-03-11 | Western Electric Co | Verfahren zur Erzeugung zumindest einer in einem Körper fortschreitenden Zwischenfläche von fester und flüssiger Phase |
| US2835612A (en) * | 1954-08-23 | 1958-05-20 | Motorola Inc | Semiconductor purification process |
| US2913048A (en) * | 1956-02-23 | 1959-11-17 | Rhodes Inc M H | Timer |
-
0
- NL NL235410D patent/NL235410A/xx unknown
- NL NL101161D patent/NL101161C/xx active
-
1960
- 1960-01-19 DE DEN17775A patent/DE1187803B/de active Pending
- 1960-01-20 GB GB2080/60A patent/GB939848A/en not_active Expired
- 1960-01-21 US US3865A patent/US3047380A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB939848A (en) | 1963-10-16 |
| US3047380A (en) | 1962-07-31 |
| NL101161C (en:Method) | 1900-01-01 |
| DE1187803B (de) | 1965-02-25 |