IN143919B - - Google Patents
Info
- Publication number
- IN143919B IN143919B IN232/CAL/75A IN232CA1975A IN143919B IN 143919 B IN143919 B IN 143919B IN 232CA1975 A IN232CA1975 A IN 232CA1975A IN 143919 B IN143919 B IN 143919B
- Authority
- IN
- India
Links
Classifications
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
- H01L21/02145—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing aluminium, e.g. AlSiOx
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
- H01L21/02161—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing more than one metal element
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/022—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
- H01L21/02304—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment formation of intermediate layers, e.g. buffer layers, layers to improve adhesion, lattice match or diffusion barriers
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
- H01L21/02312—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a gas or vapour
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/291—Oxides or nitrides or carbides, e.g. ceramics, glass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3157—Partial encapsulation or coating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3157—Partial encapsulation or coating
- H01L23/3178—Coating or filling in grooves made in the semiconductor body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3157—Partial encapsulation or coating
- H01L23/3192—Multilayer coating
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02178—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing aluminium, e.g. Al2O3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Formation Of Insulating Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US462492A US3895127A (en) | 1974-04-19 | 1974-04-19 | Method of selectively depositing glass on semiconductor devices |
Publications (1)
Publication Number | Publication Date |
---|---|
IN143919B true IN143919B (sv) | 1978-02-25 |
Family
ID=23836608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN232/CAL/75A IN143919B (sv) | 1974-04-19 | 1975-02-10 |
Country Status (13)
Country | Link |
---|---|
US (1) | US3895127A (sv) |
JP (1) | JPS5760773B2 (sv) |
BE (1) | BE826941A (sv) |
BR (1) | BR7501335A (sv) |
CA (1) | CA1038329A (sv) |
DE (1) | DE2513945A1 (sv) |
FR (1) | FR2268357B1 (sv) |
GB (1) | GB1464682A (sv) |
IN (1) | IN143919B (sv) |
IT (1) | IT1044487B (sv) |
NL (1) | NL7503711A (sv) |
SE (1) | SE407427B (sv) |
YU (1) | YU77175A (sv) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7500492A (nl) * | 1975-01-16 | 1976-07-20 | Philips Nv | Werkwijze voor het vervaardigen van halfgelei- derinrichtingen, waarbij een glazen bedekking wordt aangebracht, en halfgeleiderinrichtingen, vervaardigd volgens deze werkwijze. |
JPS5393783A (en) * | 1977-01-26 | 1978-08-17 | Nec Home Electronics Ltd | Mesa type semiconductor device |
IN147578B (sv) * | 1977-02-24 | 1980-04-19 | Rca Corp | |
IN147572B (sv) * | 1977-02-24 | 1980-04-19 | Rca Corp | |
DE2739762C2 (de) * | 1977-09-03 | 1982-12-02 | SEMIKRON Gesellschaft für Gleichrichterbau u. Elektronik mbH, 8500 Nürnberg | Verfahren zur Passivierung von Halbleiterkörpern |
US4218493A (en) * | 1977-12-02 | 1980-08-19 | The Continental Group, Inc. | Electrostatic repair coating |
US4235645A (en) * | 1978-12-15 | 1980-11-25 | Westinghouse Electric Corp. | Process for forming glass-sealed multichip semiconductor devices |
FR2466859A1 (fr) * | 1979-10-05 | 1981-04-10 | Thomson Csf | Procede de sillonnage et de glassivation par masquage au nitrure de silicium et composants semi-conducteurs obtenus |
US4296370A (en) * | 1979-10-11 | 1981-10-20 | Rca Corporation | Method of detecting a thin insulating film over a conductor |
DE3138340C2 (de) * | 1981-09-26 | 1987-01-29 | Telefunken electronic GmbH, 7100 Heilbronn | Verfahren zum Herstellen von mehreren planaren Bauelementen |
US4551353A (en) * | 1981-12-30 | 1985-11-05 | Unitrode Corporation | Method for reducing leakage currents in semiconductor devices |
JPS58173745U (ja) * | 1982-05-17 | 1983-11-19 | 国産電機株式会社 | エンジン駆動発電機の回転速度制御装置 |
DE3373594D1 (en) * | 1982-12-22 | 1987-10-15 | Nec Corp | Method of producing electrostrictive effect element |
US5342563A (en) * | 1991-11-22 | 1994-08-30 | The Lubrizol Corporation | Methods of preparing sintered shapes and green bodies used therein |
US5268233A (en) * | 1991-11-22 | 1993-12-07 | The Lubrizol Corporation | Methods of preparing sintered shapes and green shapes used therein |
US6780491B1 (en) * | 1996-12-12 | 2004-08-24 | Micron Technology, Inc. | Microstructures including hydrophilic particles |
US6448190B1 (en) * | 1999-05-21 | 2002-09-10 | Symetrix Corporation | Method and apparatus for fabrication of integrated circuit by selective deposition of precursor liquid |
US6613695B2 (en) * | 2000-11-24 | 2003-09-02 | Asm America, Inc. | Surface preparation prior to deposition |
US6960537B2 (en) | 2001-10-02 | 2005-11-01 | Asm America, Inc. | Incorporation of nitrogen into high k dielectric film |
US20030118947A1 (en) * | 2001-12-04 | 2003-06-26 | Primaxx, Inc. | System and method for selective deposition of precursor material |
US6945121B2 (en) | 2002-12-04 | 2005-09-20 | Kimberly, Clark Worldwide, Inc. | Apparatus for simulating a dynamic force response |
US7855401B2 (en) * | 2005-06-29 | 2010-12-21 | Cree, Inc. | Passivation of wide band-gap based semiconductor devices with hydrogen-free sputtered nitrides |
US7525122B2 (en) * | 2005-06-29 | 2009-04-28 | Cree, Inc. | Passivation of wide band-gap based semiconductor devices with hydrogen-free sputtered nitrides |
US7598576B2 (en) * | 2005-06-29 | 2009-10-06 | Cree, Inc. | Environmentally robust passivation structures for high-voltage silicon carbide semiconductor devices |
US8557702B2 (en) | 2009-02-02 | 2013-10-15 | Asm America, Inc. | Plasma-enhanced atomic layers deposition of conductive material over dielectric layers |
US9991399B2 (en) | 2012-10-04 | 2018-06-05 | Cree, Inc. | Passivation structure for semiconductor devices |
US9812338B2 (en) | 2013-03-14 | 2017-11-07 | Cree, Inc. | Encapsulation of advanced devices using novel PECVD and ALD schemes |
US8994073B2 (en) | 2012-10-04 | 2015-03-31 | Cree, Inc. | Hydrogen mitigation schemes in the passivation of advanced devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2966429A (en) * | 1956-08-31 | 1960-12-27 | Gen Electric | Method of and apparatus for making printed circuits |
US3280019A (en) * | 1963-07-03 | 1966-10-18 | Ibm | Method of selectively coating semiconductor chips |
US3400000A (en) * | 1965-05-17 | 1968-09-03 | Du Pont | Surface modified electrostatic enamel powders and method |
US3629086A (en) * | 1969-12-12 | 1971-12-21 | Ford Motor Co | Anodic deposition of ceramic frit with cationic envelope |
US3642597A (en) * | 1970-03-20 | 1972-02-15 | Gen Electric | Semiconductor passivating process |
JPS5339442B2 (sv) * | 1972-03-02 | 1978-10-21 | ||
JPS551703B2 (sv) * | 1972-07-07 | 1980-01-16 |
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1974
- 1974-04-19 US US462492A patent/US3895127A/en not_active Expired - Lifetime
-
1975
- 1975-02-10 IN IN232/CAL/75A patent/IN143919B/en unknown
- 1975-03-05 CA CA221,479A patent/CA1038329A/en not_active Expired
- 1975-03-05 SE SE7502450A patent/SE407427B/sv unknown
- 1975-03-06 BR BR1730/75A patent/BR7501335A/pt unknown
- 1975-03-25 FR FR7509253A patent/FR2268357B1/fr not_active Expired
- 1975-03-26 JP JP50037392A patent/JPS5760773B2/ja not_active Expired
- 1975-03-27 YU YU00771/75A patent/YU77175A/xx unknown
- 1975-03-27 NL NL7503711A patent/NL7503711A/xx not_active Application Discontinuation
- 1975-03-29 DE DE19752513945 patent/DE2513945A1/de not_active Withdrawn
- 1975-04-04 IT IT67867/75A patent/IT1044487B/it active
- 1975-04-10 GB GB1474375A patent/GB1464682A/en not_active Expired
- 1975-07-16 BE BE154554A patent/BE826941A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR7501335A (pt) | 1976-03-09 |
DE2513945A1 (de) | 1975-10-30 |
GB1464682A (en) | 1977-02-16 |
JPS50137684A (sv) | 1975-10-31 |
SE7502450L (sv) | 1975-10-20 |
SE407427B (sv) | 1979-03-26 |
NL7503711A (nl) | 1975-10-21 |
US3895127A (en) | 1975-07-15 |
FR2268357B1 (sv) | 1979-03-09 |
FR2268357A1 (sv) | 1975-11-14 |
YU77175A (en) | 1983-04-27 |
CA1038329A (en) | 1978-09-12 |
JPS5760773B2 (sv) | 1982-12-21 |
BE826941A (fr) | 1975-07-16 |
IT1044487B (it) | 1980-03-20 |