NL7305059A - - Google Patents
Info
- Publication number
- NL7305059A NL7305059A NL7305059A NL7305059A NL7305059A NL 7305059 A NL7305059 A NL 7305059A NL 7305059 A NL7305059 A NL 7305059A NL 7305059 A NL7305059 A NL 7305059A NL 7305059 A NL7305059 A NL 7305059A
- Authority
- NL
- Netherlands
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
- C30B13/28—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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722240301 DE2240301A1 (en) | 1972-08-16 | 1972-08-16 | PROCESS FOR MANUFACTURING SEMICONDUCTOR SINGLE CRYSTAL BARS WITH SPECIFIC RESISTANCE DROPPING DOWN TO THE CENTER OF THE BAR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7305059A true NL7305059A (en) | 1974-02-19 |
Family
ID=5853716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7305059A NL7305059A (en) | 1972-08-16 | 1973-04-11 |
Country Status (7)
| Country | Link |
|---|---|
| JP (2) | JPS4947075A (en) |
| BE (1) | BE803673A (en) |
| DE (1) | DE2240301A1 (en) |
| FR (1) | FR2196198B1 (en) |
| GB (1) | GB1374056A (en) |
| IT (1) | IT993701B (en) |
| NL (1) | NL7305059A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56149971U (en) * | 1980-04-10 | 1981-11-11 | ||
| JPS57100999A (en) * | 1980-12-15 | 1982-06-23 | Hitachi Chem Co Ltd | Heat treatment of single crystal of tungstic acid compound |
| EP0059593B1 (en) * | 1981-03-02 | 1988-01-13 | Imperial Chemical Industries Plc | Method of and apparatus for monitoring gaseous pollutants |
-
1972
- 1972-08-16 DE DE19722240301 patent/DE2240301A1/en active Pending
-
1973
- 1973-04-11 NL NL7305059A patent/NL7305059A/xx unknown
- 1973-04-17 GB GB1847173A patent/GB1374056A/en not_active Expired
- 1973-08-01 JP JP8668873A patent/JPS4947075A/ja active Pending
- 1973-08-08 IT IT2766373A patent/IT993701B/en active
- 1973-08-14 FR FR7329665A patent/FR2196198B1/fr not_active Expired
- 1973-08-16 BE BE134636A patent/BE803673A/en unknown
-
1978
- 1978-02-22 JP JP2218078U patent/JPS53118462U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2196198A1 (en) | 1974-03-15 |
| JPS4947075A (en) | 1974-05-07 |
| GB1374056A (en) | 1974-11-13 |
| DE2240301A1 (en) | 1974-02-28 |
| BE803673A (en) | 1973-12-17 |
| IT993701B (en) | 1975-09-30 |
| FR2196198B1 (en) | 1977-02-25 |
| JPS53118462U (en) | 1978-09-20 |