DE2134072A1 - Verfahren zur Herstellung von Gegenständen aus Silizium-Nitrid - Google Patents
Verfahren zur Herstellung von Gegenständen aus Silizium-NitridInfo
- Publication number
- DE2134072A1 DE2134072A1 DE19712134072 DE2134072A DE2134072A1 DE 2134072 A1 DE2134072 A1 DE 2134072A1 DE 19712134072 DE19712134072 DE 19712134072 DE 2134072 A DE2134072 A DE 2134072A DE 2134072 A1 DE2134072 A1 DE 2134072A1
- Authority
- DE
- Germany
- Prior art keywords
- silicon
- compact
- flux
- mixture
- binder
- 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.)
- Pending
Links
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims description 38
- 229910052581 Si3N4 Inorganic materials 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000004907 flux Effects 0.000 claims description 50
- 239000000203 mixture Substances 0.000 claims description 38
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- 239000010703 silicon Substances 0.000 claims description 37
- 239000011230 binding agent Substances 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000000395 magnesium oxide Substances 0.000 claims description 17
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 17
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 17
- 238000007731 hot pressing Methods 0.000 claims description 16
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000391 magnesium silicate Substances 0.000 claims description 12
- 238000005121 nitriding Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 235000019792 magnesium silicate Nutrition 0.000 claims description 10
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 10
- 239000012298 atmosphere Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 5
- 150000002681 magnesium compounds Chemical class 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000006396 nitration reaction Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 241000764238 Isis Species 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 239000011863 silicon-based powder Substances 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 8
- FKHIFSZMMVMEQY-UHFFFAOYSA-N talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910052839 forsterite Inorganic materials 0.000 description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 2
- 229960000541 cetyl alcohol Drugs 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 235000012243 magnesium silicates Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229910021426 porous silicon Inorganic materials 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005789 ACRONAL® acrylic binder Polymers 0.000 description 1
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011928 denatured alcohol Substances 0.000 description 1
- RUYJNKYXOHIGPH-UHFFFAOYSA-N dialuminum;trioxido(trioxidosilyloxy)silane Chemical compound [Al+3].[Al+3].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-] RUYJNKYXOHIGPH-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3357370 | 1970-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2134072A1 true DE2134072A1 (de) | 1972-01-20 |
Family
ID=10354694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712134072 Pending DE2134072A1 (de) | 1970-07-10 | 1971-07-08 | Verfahren zur Herstellung von Gegenständen aus Silizium-Nitrid |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3839540A (enExample) |
| AT (1) | AT317073B (enExample) |
| BE (1) | BE769636A (enExample) |
| CA (1) | CA938776A (enExample) |
| CH (1) | CH558312A (enExample) |
| DE (1) | DE2134072A1 (enExample) |
| DK (1) | DK133275C (enExample) |
| FR (1) | FR2100422A5 (enExample) |
| GB (1) | GB1340696A (enExample) |
| NL (1) | NL7109487A (enExample) |
| SE (1) | SE373565B (enExample) |
| SU (1) | SU458973A3 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356921A1 (de) * | 1972-11-14 | 1974-05-30 | Nat Res Dev | Verfahren zur herstellung von siliciumnitrid-keramiken |
| DE2458682A1 (de) * | 1973-12-20 | 1975-07-03 | Ford Werke Ag | Verfahren zum herstellen eines formkoerpers aus siliziumnitrid |
| DE3337025A1 (de) * | 1983-10-12 | 1985-05-02 | Feldmühle AG, 4000 Düsseldorf | Verfahren zur herstellung eines siliziumnitridbauteils |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189313B1 (enExample) * | 1972-06-16 | 1979-04-20 | Norton Co | |
| US4025351A (en) * | 1972-10-24 | 1977-05-24 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Sintered silicon nitride base ceramic and said ceramic |
| US4134947A (en) * | 1975-04-07 | 1979-01-16 | Ngk Insulators, Ltd. | Sintered silicon nitride body and a method of producing the same |
| US3953221A (en) * | 1975-04-22 | 1976-04-27 | The United States Of America As Represented By The Secretary Of The Navy | Fully dense ceramic article and process employing magnesium oxide as a sintering aid |
| JPS51132207A (en) * | 1975-05-14 | 1976-11-17 | Tokyo Shibaura Electric Co | Manufacture of high density and high strength sintering articles |
| US4017319A (en) * | 1976-01-06 | 1977-04-12 | General Electric Company | Si3 N4 formed by nitridation of sintered silicon compact containing boron |
| GB1573299A (en) * | 1976-06-03 | 1980-08-20 | Lucas Industries Ltd | Method of forming a ceramic product |
| JPS5934149B2 (ja) * | 1976-07-27 | 1984-08-20 | 東芝セラミツクス株式会社 | 緻密質β′−サイアロン焼結体の製造方法 |
| IT1117334B (it) * | 1977-12-23 | 1986-02-17 | Fiat Spa | Procedimento per la sinterizazzione di nitruro di silicio reaction bonded |
| DE2910943A1 (de) * | 1979-03-20 | 1980-09-25 | Motoren Turbinen Union | Verfahren zur herstellung von keramikformteilen aus siliziumnitrid |
| US4388255A (en) * | 1981-03-27 | 1983-06-14 | Boeing Aerospace Co. (A Division Of The Boeing Company) | Method for producing pre-shaped α-silicon nitride whisker compacts and loose whiskers for composite material reinforcement |
| EP0120846B1 (en) * | 1982-09-30 | 1987-05-20 | Ford Motor Company | Method of fabricating hot pressed ceramic bodies |
| AU559361B2 (en) * | 1982-09-30 | 1987-03-05 | Ford Motor Co. | Method of making high strength hot pressed si3n4 |
| AU565753B2 (en) * | 1982-09-30 | 1987-09-24 | Ford Motor Company Of Canada Limited | Method of making reaction bonded/hot pressed si3n4 for use as a cutting tool |
| EP0121516B1 (en) * | 1982-09-30 | 1987-05-06 | Ford Motor Company | Method of forming dense ceramic bodies |
| US4848984A (en) * | 1982-09-30 | 1989-07-18 | Ceradyne, Inc. | Method of making reaction bonded/hot pressed Si3 N4 for use as a cutting tool |
| US4623498A (en) * | 1982-09-30 | 1986-11-18 | Ceradyne Advanced Products, Inc. | Method of improving quality of hot pressed Si3 N4 bodies |
| WO1984001531A1 (en) * | 1982-10-12 | 1984-04-26 | Ford Motor Canada | Making hot pressed silicon nitride by use of low density reaction bonded body |
| JPS59184770A (ja) * | 1983-04-04 | 1984-10-20 | 日本碍子株式会社 | 窒化珪素焼結体およびその製造法 |
| US4596716A (en) * | 1983-06-08 | 1986-06-24 | Kennecott Corporation | Porous silicon nitride semiconductor dopant carriers |
| US4487840A (en) * | 1983-06-21 | 1984-12-11 | Cornell Research Foundation, Inc. | Use of silicon in liquid sintered silicon nitrides and sialons |
| US4552711A (en) * | 1983-06-21 | 1985-11-12 | Cornell Research Foundation, Inc. | Use of free silicon in liquid phase sintering of silicon nitrides and sialons |
| US4608354A (en) * | 1984-12-24 | 1986-08-26 | Gte Laboratories Incorporated | Silicon nitride substrate |
| JPS61236604A (ja) * | 1985-04-11 | 1986-10-21 | Toshiba Ceramics Co Ltd | β−Ｓｉ↓３Ｎ↓４の合成方法 |
| SE459494B (sv) * | 1987-06-01 | 1989-07-10 | Svenska Silikatforskning | Saett vid framstaellning av keramiska kompositer innehaallande kiseloxynitrid och zirkoniumoxid |
| EP0377408B1 (de) * | 1989-01-04 | 1993-09-01 | Htm Ag | Verfahren zur Herstellung von Siliziumnitrid-Formkörpern |
| US5028570A (en) * | 1990-06-15 | 1991-07-02 | Dresser Industries, Inc. | Silicon nitride bonded magnesia refractory and method |
| WO2010009213A1 (en) | 2008-07-16 | 2010-01-21 | Ferro Corporation | Hot-melt sealing glass compositions and methods of making and using the same |
-
1971
- 1971-06-25 GB GB3357370A patent/GB1340696A/en not_active Expired
- 1971-06-29 CA CA116966A patent/CA938776A/en not_active Expired
- 1971-07-07 BE BE769636A patent/BE769636A/xx unknown
- 1971-07-08 FR FR7125047A patent/FR2100422A5/fr not_active Expired
- 1971-07-08 DE DE19712134072 patent/DE2134072A1/de active Pending
- 1971-07-08 US US00160945A patent/US3839540A/en not_active Expired - Lifetime
- 1971-07-08 NL NL7109487A patent/NL7109487A/xx unknown
- 1971-07-09 AT AT601971A patent/AT317073B/de active
- 1971-07-09 DK DK339771A patent/DK133275C/da active
- 1971-07-09 CH CH1014471A patent/CH558312A/xx not_active IP Right Cessation
- 1971-07-09 SU SU1682226A patent/SU458973A3/ru active
- 1971-07-09 SE SE7108874A patent/SE373565B/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356921A1 (de) * | 1972-11-14 | 1974-05-30 | Nat Res Dev | Verfahren zur herstellung von siliciumnitrid-keramiken |
| DE2458682A1 (de) * | 1973-12-20 | 1975-07-03 | Ford Werke Ag | Verfahren zum herstellen eines formkoerpers aus siliziumnitrid |
| DE3337025A1 (de) * | 1983-10-12 | 1985-05-02 | Feldmühle AG, 4000 Düsseldorf | Verfahren zur herstellung eines siliziumnitridbauteils |
Also Published As
| Publication number | Publication date |
|---|---|
| AT317073B (de) | 1974-08-12 |
| BE769636A (fr) | 1971-11-16 |
| GB1340696A (en) | 1973-12-12 |
| CA938776A (en) | 1973-12-25 |
| NL7109487A (enExample) | 1972-01-12 |
| US3839540A (en) | 1974-10-01 |
| DK133275B (da) | 1976-04-20 |
| FR2100422A5 (enExample) | 1972-03-17 |
| SE373565B (sv) | 1975-02-10 |
| SU458973A3 (ru) | 1975-01-30 |
| DK133275C (da) | 1976-09-20 |
| CH558312A (de) | 1975-01-31 |
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