DE2244211B2 - - Google Patents
Info
- Publication number
- DE2244211B2 DE2244211B2 DE2244211A DE2244211A DE2244211B2 DE 2244211 B2 DE2244211 B2 DE 2244211B2 DE 2244211 A DE2244211 A DE 2244211A DE 2244211 A DE2244211 A DE 2244211A DE 2244211 B2 DE2244211 B2 DE 2244211B2
- Authority
- DE
- Germany
- Prior art keywords
- silicon
- graphite
- sintered
- silicon nitride
- moldings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 43
- 229910052710 silicon Inorganic materials 0.000 claims description 42
- 239000010703 silicon Substances 0.000 claims description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- 239000012494 Quartz wool Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 238000011109 contamination Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 241001235534 Graphis <ascomycete fungus> Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- RTCGUJFWSLMVSH-UHFFFAOYSA-N chloroform;silicon Chemical compound [Si].ClC(Cl)Cl RTCGUJFWSLMVSH-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Ceramic Products (AREA)
- Mold Materials And Core Materials (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2244211A DE2244211C3 (de) | 1972-09-08 | 1972-09-08 | Verfahren zur Herstellung von Formkörpern aus Silicium |
| GB4143973A GB1445861A (en) | 1972-09-08 | 1973-09-04 | Process for the manufacture of silicon mouldings |
| JP48100714A JPS4967823A (enrdf_load_stackoverflow) | 1972-09-08 | 1973-09-06 | |
| FR7332332A FR2198802B1 (enrdf_load_stackoverflow) | 1972-09-08 | 1973-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2244211A DE2244211C3 (de) | 1972-09-08 | 1972-09-08 | Verfahren zur Herstellung von Formkörpern aus Silicium |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2244211A1 DE2244211A1 (de) | 1974-03-28 |
| DE2244211B2 true DE2244211B2 (enrdf_load_stackoverflow) | 1975-03-20 |
| DE2244211C3 DE2244211C3 (de) | 1975-07-24 |
Family
ID=5855844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2244211A Expired DE2244211C3 (de) | 1972-09-08 | 1972-09-08 | Verfahren zur Herstellung von Formkörpern aus Silicium |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4967823A (enrdf_load_stackoverflow) |
| DE (1) | DE2244211C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2198802B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1445861A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2646299C2 (de) * | 1976-10-14 | 1982-09-02 | Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen | Verfahren zur Herstellung rotationssymmetrischer Siliciumformkörper |
| US4590043A (en) * | 1982-12-27 | 1986-05-20 | Sri International | Apparatus for obtaining silicon from fluosilicic acid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1301121A (fr) * | 1961-08-29 | 1962-08-10 | Schunk & Ebe Gmbh | Récipients pour la fabrication ou le traitement de semi-conducteurs |
| FR1444693A (fr) * | 1963-12-14 | 1966-07-08 | Siemens Ag | Creuset pour le tirage de cristaux et plus particulièrement de cristaux semiconducteurs, à partir d'une matière à l'état de fusion |
| DE2009459A1 (de) * | 1970-02-28 | 1971-09-09 | Consortium Elektrochem Ind | Verfahren zur Herstellung von Sihciumformkorpern |
-
1972
- 1972-09-08 DE DE2244211A patent/DE2244211C3/de not_active Expired
-
1973
- 1973-09-04 GB GB4143973A patent/GB1445861A/en not_active Expired
- 1973-09-06 JP JP48100714A patent/JPS4967823A/ja active Pending
- 1973-09-07 FR FR7332332A patent/FR2198802B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1445861A (en) | 1976-08-11 |
| JPS4967823A (enrdf_load_stackoverflow) | 1974-07-01 |
| DE2244211C3 (de) | 1975-07-24 |
| DE2244211A1 (de) | 1974-03-28 |
| FR2198802A1 (enrdf_load_stackoverflow) | 1974-04-05 |
| FR2198802B1 (enrdf_load_stackoverflow) | 1976-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |