CH438219A - Vorrichtung zum tiegelfreien Zonenschmelzen - Google Patents
Vorrichtung zum tiegelfreien ZonenschmelzenInfo
- Publication number
- CH438219A CH438219A CH721765A CH721765A CH438219A CH 438219 A CH438219 A CH 438219A CH 721765 A CH721765 A CH 721765A CH 721765 A CH721765 A CH 721765A CH 438219 A CH438219 A CH 438219A
- Authority
- CH
- Switzerland
- Prior art keywords
- crucible
- free zone
- zone melting
- melting
- free
- Prior art date
Links
Classifications
-
- 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
- C30B13/32—Mechanisms for moving either the charge or the heater
-
- 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
- C30B13/16—Heating of the molten zone
- C30B13/20—Heating of the molten zone by induction, e.g. hot wire technique
-
- 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
- C30B13/28—Controlling or regulating
- C30B13/285—Crystal holders, e.g. chucks
-
- 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
- C30B13/28—Controlling or regulating
- C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
- G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964S0091804 DE1259839B (de) | 1964-07-01 | 1964-07-01 | Antrieb einer Halterung beim tiegelfreien Zonenschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH438219A true CH438219A (de) | 1967-06-30 |
Family
ID=7516761
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH721765A CH438219A (de) | 1964-07-01 | 1965-05-24 | Vorrichtung zum tiegelfreien Zonenschmelzen |
| CH1010865A CH438215A (de) | 1964-07-01 | 1965-07-19 | Verfahren und Einrichtung zum mechanischen Aussortieren von Karten gleicher Verschlüsselung aus einer Vielzahl abweichend verschlüsselter Karten |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1010865A CH438215A (de) | 1964-07-01 | 1965-07-19 | Verfahren und Einrichtung zum mechanischen Aussortieren von Karten gleicher Verschlüsselung aus einer Vielzahl abweichend verschlüsselter Karten |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE666151A (de) |
| CH (2) | CH438219A (de) |
| DE (1) | DE1259839B (de) |
| GB (1) | GB1053684A (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL206524A (de) * | 1955-08-26 | |||
| AT213448B (de) * | 1958-08-16 | 1961-02-27 | Siemens Ag | Einrichtung zur Überwachung und/oder Regelung des Schmelzvorganges eines Halbleiterstabes |
| DE1080071B (de) * | 1959-02-03 | 1960-04-21 | Paul Lucas Dipl Chem | Vorrichtung zum Ziehen von Einkristallen aus einer Schmelze |
| DE1165882B (de) * | 1960-02-05 | 1964-03-19 | Philips Patentverwaltung | Vorrichtung zur Ausfuehrung von Drehbewegungen an stabfoermigen Koerpern, insbesondere an Halbleiterkoerpern |
-
0
- GB GB1053684D patent/GB1053684A/en active Active
-
1964
- 1964-07-01 DE DE1964S0091804 patent/DE1259839B/de active Pending
-
1965
- 1965-05-24 CH CH721765A patent/CH438219A/de unknown
- 1965-06-30 BE BE666151A patent/BE666151A/xx unknown
- 1965-07-19 CH CH1010865A patent/CH438215A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1053684A (de) | |
| BE666151A (de) | 1965-12-30 |
| DE1259839B (de) | 1968-02-01 |
| CH438215A (de) | 1967-06-30 |
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