NL243412A - - Google Patents
Info
- Publication number
- NL243412A NL243412A NL243412DA NL243412A NL 243412 A NL243412 A NL 243412A NL 243412D A NL243412D A NL 243412DA NL 243412 A NL243412 A NL 243412A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/037—Purification
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2989458A GB897730A (en) | 1958-09-18 | 1958-09-18 | Improvements in and relating to methods of purifying substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL243412A true NL243412A (fr) |
Family
ID=10298908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL243412D NL243412A (fr) | 1958-09-18 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1236242A (fr) |
| GB (1) | GB897730A (fr) |
| NL (1) | NL243412A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3508167B2 (ja) | 1993-07-27 | 2004-03-22 | Ｊｆｅスチール株式会社 | シリコンの精製方法およびシリコンの予備処理装置 |
| CN100457615C (zh) * | 2003-12-04 | 2009-02-04 | 陶氏康宁公司 | 从冶金级硅中去除杂质以制得太阳能级硅的方法 |
-
0
- NL NL243412D patent/NL243412A/xx unknown
-
1958
- 1958-09-18 GB GB2989458A patent/GB897730A/en not_active Expired
-
1959
- 1959-09-16 FR FR805292A patent/FR1236242A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB897730A (en) | 1962-05-30 |
| FR1236242A (fr) | 1960-07-15 |