WO2003098115A1 - Plaque de cuisson superieure - Google Patents
Plaque de cuisson superieure Download PDFInfo
- Publication number
- WO2003098115A1 WO2003098115A1 PCT/JP2003/005969 JP0305969W WO03098115A1 WO 2003098115 A1 WO2003098115 A1 WO 2003098115A1 JP 0305969 W JP0305969 W JP 0305969W WO 03098115 A1 WO03098115 A1 WO 03098115A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- top plate
- film
- substrate
- cooker
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
- C03C17/3435—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising a nitride, oxynitride, boronitride or carbonitride
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3605—Coatings of the type glass/metal/inorganic compound
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3626—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a nitride, oxynitride, boronitride or carbonitride
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/42—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/08—Glass having a rough surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/72—Decorative coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/154—Deposition methods from the vapour phase by sputtering
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/36—Underside coating of a glass sheet
Definitions
- the present invention relates to a cooker top plate.
- infrared cookers that use a radiant heater and a halogen heater
- IH electromagnetic cookers
- materials such as glass, ceramics, crystallized glass, etc., which have a small amount of electromagnetic induction heating and low thermal expansion, are used for the top plate used in an electromagnetic heating cooker in terms of thermal efficiency, safety, and thermal shock resistance. It has been.
- gas cookers that used enamel or stainless steel as the top plate also have excellent aesthetics and cleanability, and are therefore made of non-metallic materials such as low thermal expansion glass, ceramics, and crystallized glass. System materials have come to be used.
- the primary role of a cooker top plate is to prevent water, seasonings, food, etc. from splashing into the heating device, but recently, in addition to this role, the heating device, wiring, etc. It has also been required to improve the aesthetics by hiding the internal structure of such cookers.
- the first method for concealing the internal structure of the cooker with the top plate is to use a low-expansion crystallization that uses a metallic transition element as the top plate and is colored deeply.
- Glass for example, GC-190 manufactured by Nippon Electric Glass Co., Ltd., or selenium manufactured by Short Co., Ltd. is used.
- the second method is to form a light shielding film on the surface of a substrate made of transparent low expansion glass by using a printing method.
- H10-273334 describes a top plate in which a light-shielding film made of glass and an inorganic pigment is provided on the surface of a transparent low-expansion crystallized glass substrate.
- This light-shielding moon has a higher coefficient of thermal expansion than a substrate made of low-expansion crystallized glass. Therefore, Japanese Patent Application Laid-Open No. H10-273334 discloses that the light-shielding film is made porous by making it porous. Cracks are suppressed.
- Japanese Patent Publication No. 7-17409 describes a top plate made of a transparent low-expansion crystallized glass with a raster-colored coating made of precious and base metals on the surface of the glass. I have.
- the second method has a problem that handling is difficult because the light-shielding film has low abrasion resistance and is easily peeled off.
- a porous light-shielding film composed of glass and an inorganic pigment has extremely low abrasion resistance and must be provided on the unused surface side of the top plate.
- the heat-resistant resin penetrates the light-shielding film, and the part where the heat-resistant resin is attached when viewed from the top plate using surface side is used. Another problem was that they looked heterogeneous.
- inorganic pigments and precious metals that constitute the light-shielding film also have a problem that when the top plate is recycled, the glass is colored or glass defects such as blemishes are generated.
- An object of the present invention is to achieve multicolor shading with one kind of glass fabric, excellent abrasion resistance, and even when a temperature sensor is bonded with a heat-resistant resin, a portion to which the heat-resistant resin is bonded is different.
- the object is to provide a cooker top plate that is invisible.
- the present invention provides a substrate made of low-expansion glass, having a first surface facing the outside of the cooker and a second surface facing the inside of the cooking device, and a first surface and a second surface of the substrate. At least one of which comprises a light-shielding layer formed by a vapor deposition method.
- the light-shielding layer formed by a vapor deposition method such as chemical vapor deposition (CVD), physical vapor deposition, ion plating, or the sputtering method can develop various colors by changing its material.
- CVD chemical vapor deposition
- ion plating ion plating
- sputtering method can develop various colors by changing its material.
- a top plate having various colors can be obtained even when one type of glass material is used as the substrate.
- this light-shielding layer has a dense structure, it is also excellent in wear resistance.
- the light-shielding layer is a very thin film of 2 ⁇ m or less, it has a high light-shielding ability, so that the internal structure of a cooking device such as a heating device and wiring can be effectively hidden.
- the heat-resistant resin for attaching the temperature sensor does not penetrate into the light-shielding layer, the portion where the heat-resistant resin is bonded does not look foreign.
- this light-shielding layer has a high light-shielding performance and has a sufficient light-shielding performance even when it is extremely thin, even when a material having a large difference in thermal expansion coefficient from the substrate is used, it should be formed thinly on the surface of the substrate. Thus, sufficient light-shielding performance can be obtained while preventing cracks from occurring in the light-shielding layer.
- a sputtering method is preferably employed as a vapor deposition method for forming a light-shielding layer.
- the light-shielding layer formed by the sputtering method has a smooth and dense structure, and is firmly formed on the surface of the substrate. For this reason, the top plate in which the light-shielding layer is formed on the first surface (use surface) of the substrate can easily remove dirt such as foods and seasonings attached to the first surface during use, or remove dirt. Even if a cleanser brush is used to remove it, the film is hard to peel off because of its excellent abrasion resistance.
- the cooker top plate of the present invention has excellent light-shielding ability when the average transmittance at a wavelength of 0.4 to 0.8 ⁇ m is 10% or less, preferably 7% or less, and more preferably 6% or less. , Which can conceal the internal structure of the cooking device such as heating equipment, wiring, etc. ⁇
- the cooker top plate of the present invention has a wavelength of 0.45 to 0.75 ⁇ m. Therefore, when the transmittance is 0.25% or more, preferably 0.5% or more, and more preferably 1% or more, an indicator for displaying the amount of applied electric power and the like is displayed on the second surface (non-use surface) of the substrate. ), Light of all colors, such as blue, green, yellow, and red, passes through the light-shielding layer and can be seen from the side of the first surface (use surface). Preferred.
- the light-shielding layer is a film that does not transmit visible light or infrared light
- a pattern for example, a mesh pattern
- a pattern having a partially open hole in a predetermined region of the light-shielding layer opposite to the indicator light is provided.
- light of indicators of all colors such as blue, green, yellow, and red can be transmitted.
- light having a wavelength of 0.6 to 2.5 ⁇ m can be transmitted through the above hole, and wavelength of 4 to 0.6 ⁇ m can be transmitted.
- the cooker top plate of the present invention has an average transmittance at a wavelength of 0.4 to 0.8 ⁇ m of 0.5% or more, preferably 1% or more, and more preferably 2% or more. Over a range of 45 to 0.75 m, the transmittance is preferably 0.25% or more, preferably 0.5% or more, and more preferably 1% or more. If the average transmittance at a wavelength of 1 to 2.5 zm is 10% or more, preferably 20% or more, heating by infrared light becomes possible. It is suitable as a top plate for a cooker.
- the light-shielding layer includes a light-shielding film, wherein the light-shielding film is a metal selected from the group consisting of Si, Ti, Al, Nb, W, Mo, Sn, Cr, Pt, and Au, stainless steel, Hastelloy, One alloy selected from the group consisting of Inconel and Nichrome, one alloy nitride selected from the group consisting of stainless steel, Hastelloy, Inconel and Nichrome, or Ti, Nb, W, and Mo It is preferable to include one or more metals selected from the group.
- the light-shielding film is a metal selected from the group consisting of Si, Ti, Al, Nb, W, Mo, Sn, Cr, Pt, and Au, stainless steel, Hastelloy, One alloy selected from the group consisting of Inconel and Nichrome, one alloy nitride selected from the group consisting of stainless steel, Hastelloy, Inconel and Nichrome, or Ti, Nb, W, and
- the top plate having such a light-shielding layer has excellent light-shielding ability
- the internal structure of a cooking device such as a heating device and a rooster 3 wire is used. It also has a high specular reflectance and a metallic luster appearance, so it is in harmony with the stainless steel and other metal worktops and walls around the cooker. Furthermore, since this light-shielding layer has excellent chemical durability, it is not discolored or eroded by water, detergents, seasonings and the like.
- the wavelength of the top plate is 1-2. It is preferable because the average transmittance at 5 / m tends to be 10% or more and the thermal efficiency of these heaters is high.
- the light-shielding layer is omitted in the liquid crystal display portion, because the liquid crystal display becomes easy to see. Further, it is preferable to form an antireflection film on at least one surface of the substrate corresponding to the liquid crystal display portion, preferably, the first surface and the second surface, since light from illumination or the like is hardly reflected, and the liquid crystal display is more easily viewed. .
- the aluminum when aluminum is introduced into the above-mentioned metal, alloy or metal nitride as a material of the light-shielding film, the aluminum becomes an oxide at the interface of the light-shielding film and acts as a barrier. Improved and preferred.
- the light-shielding film made of titanium nitride changes the appearance of silver, gold, red-black, and black in a stepless manner by decreasing the nitrogen content in the film, in the order of decreasing nitrogen. Because of the dagger, a desired color tone can be easily obtained.
- the light-shielding film is made of Si (metal) because the average transmittance at a wavelength of 1 to 2.5 zm tends to be 10% or more.
- the light-shielding film may be composed of a single layer, or may be composed of two or more layers of different materials. In the latter case, for example, if the light-shielding film is composed of a two-layer film of an Si film and an upper or lower i-film, the light-shielding properties and heat resistance can be achieved without significantly lowering the infrared transmission characteristics of the Si film. Can be improved.
- the light-shielding layer preferably includes an antioxidant film in addition to the light-shielding film.
- This antioxidant film can be formed on the light shielding film and / or between the surface of the substrate and the light shielding film.
- the antioxidant film makes it difficult for the light shielding film to be oxidized, Deterioration of the light shielding film due to heat is suppressed. That is, when the oxidation preventing film is formed on the light shielding film (on the air side), the oxidation preventing film prevents the light shielding film from being oxidized by oxygen in the air.
- the antioxidant film When the antioxidant film is formed between the surface of the substrate and the light-shielding film, the antioxidant film has a function of preventing the light-shielding film from being oxidized by oxygen in the substrate (in the low expansion glass).
- the antioxidant film when a light-shielding film is formed on the first surface (use surface) of the substrate and an anti-oxidation film is formed thereon, or the anti-oxidation film is formed on the second surface (non-use surface) of the substrate.
- various color tones utilizing light interference can be obtained as a top plate by adjusting the film material and the film thickness.
- the antioxidant film may be a nitride of one or more metals selected from the group consisting of Si, Ti, Al, Nb, W, Mo, Ta and Sn, or Si, A1, and It is preferable to include an oxide of one metal selected from the group consisting of Ti because the light-shielding film has a high antioxidant ability.
- the light-shielding film or the anti-oxidation film is made of a component contained in the substrate (in the low expansion glass), specifically, Ti, Si or Al, or a nitride or oxide of these metals,
- the plate is re-melted as a glass raw material, it is preferable because the glass is not colored and glass defects such as black spots are not generated.
- a preferred first embodiment of the light-shielding layer is, in order from the surface of the substrate, a first layer comprising a light-shielding film having a geometric thickness of 10 to 1000 nm, preferably 15 to 70 Onm, and 10 to 1000 nm, preferably Has a second layer of an antioxidation film having a geometric thickness of 15 to 700 nm.
- a preferred second form of the light-shielding layer is, in order from the surface of the substrate, a first layer made of an antioxidant film having a geometric thickness of 10 to 1000 nm, preferably 20 to 70 Onm, and 10 to 100 Onm, A second layer composed of a light-shielding film having a geometric thickness of preferably 15 to 700 nm; and an antioxidant film having a geometric thickness of 10 to L00 Onm, preferably 20 to 70 Onm.
- the light-shielding film contains TiN, Si, Ti, AlTiN, W or WN because of excellent heat resistance.
- anti-oxidation film is, SiN, A1N, Si0 2, A 1 2 0 3, or Ti0 to include 2, It is preferable because the light-shielding film has an excellent antioxidant effect.
- a decorative film may be appropriately provided in addition to the light-shielding layer.
- the decorative film is formed between the substrate and the light-shield layer or on the first surface (use surface).
- the decorative film is preferably provided on the light shielding layer.
- a light-blocking layer is formed on the second side (non-use side) of the board, explanations of cautions and warnings during use, indicators for displaying temperature and thermal power between the board and the light-blocking layer.
- the decorative film, the character, or the figure have a different color tone from the light-shielding layer or a different gloss from the light-shielding layer, because the decorative film, the character, or the figure becomes easy to see.
- a decorative film, characters or figures may be formed by any of a vapor deposition method and a printing method. For example, if characters or figures are formed by screen printing, many types of characters or figures can be formed simply by changing the type of mesh (stencil) or ink, so the variety of products can be easily increased. Is preferred.
- the low expansion glass constituting the substrate 6 0 0 ° withstand rapid cooling from C, high thermal shock resistance Ru so-called material can be used, in particular 5 0 X 1 0 one 7 Bruno.
- a material having a thermal expansion coefficient of C or less is preferable, and low expansion borosilicate glass, quartz glass, or low expansion crystallized glass having a main crystal of -quartz solid solution can be used.
- 3 0 - 5 0 0 average thermal expansion coefficient in ° C is one 1 0 ⁇ + 3 0 X 1 0- 7 / ° C, one preferably a further 1 0 ten 2 0 X 1 0- 7 / Glass at ° C is preferable because it has even higher thermal shock resistance and does not easily generate stress even when the temperature distribution in the low expansion glass plate becomes large during combustion.
- the low expansion glass constituting the substrate preferably has translucency (a property of transmitting visible light), and as long as it is colored, it may be colored.
- the substrate is formed of a low-expansion glass having a light-transmitting property (transmitting visible light)
- an indicator for displaying an applied electric energy or the like is provided on the substrate. Even if it is provided on the two sides (non-use side), the light of the indica light can be visually recognized from the first side (use side) side of the substrate. Therefore, since it is not necessary to make a hole in the substrate for visually recognizing the light of the sky, chipping or cracking is unlikely to occur in the plate.
- the first surface and the Z or second surface of the substrate are rough, even if a glossy light-shielding layer is formed on the second surface (non-use surface) of the substrate, light from illumination or the like is blocked. It does not dazzle because it is not reflected directly on the eyes and scatters light from lighting.
- the second side (non-use side) of the substrate is rough and the first side (use side) is smooth, the first side (use side) becomes dirty with seasonings and food. It is preferable because it is difficult and easy to wipe off.
- the surface roughness of the rough surface is preferably Rmax 0.5 to 30 3m. If the surface roughness of the rough surface is smaller than 0.5 ⁇ m, light from illumination or the like is scattered. If the surface roughness of the rough surface is greater than 30 ⁇ m, it is difficult to form the light-shielding layer to a uniform thickness, and it is difficult to print characters and figures. Also, the mechanical strength of the top plate tends to decrease.
- the above-mentioned smooth surface refers to a surface having a surface roughness (Rmax) of less than 0.5 ⁇ m.
- the top plate for a cooker of the present invention is preferably provided with an antifouling treatment such as a fluorine coat on the light-shielding film, the anti-oxidation film or the decorative film, since it is excellent in cleaning properties.
- an antifouling treatment such as a fluorine coat on the light-shielding film, the anti-oxidation film or the decorative film, since it is excellent in cleaning properties.
- the cooker top plate of the present invention is suitable as a top plate for an infrared heating cooker using a radiant heater or a halogen heater, an electromagnetic heating (IH) cooker, or a gas cooker.
- FIG. 1 is a partial cross-sectional view of a cooker top plate according to an embodiment of the present invention.
- FIG. 2 is a partial cross-sectional view of a cooker top plate according to another embodiment of the present invention.
- FIG. 3 is a partial cross-sectional view of a cooker top plate according to another embodiment of the present invention.
- FIG. 4 is a transmittance curve of a cooker top plate according to one embodiment of the present invention.
- FIG. 5 is a partial cross-sectional view of a cooker top plate according to another embodiment of the present invention. , One "-Z
- Tables 1 to 7 show Examples 1 to 28 of the present invention, and Table 8 shows Examples 29 and 30 and Comparative Examples 1 and 2.
- 1 is an explanatory view of a cooker top plate of Examples 1 to 12
- FIG. 2 is an explanatory view of a cooker top plate of Examples 13 to 28
- FIG. 3 is an explanatory view of cooker top plates of Examples 29 and 30. It is.
- FIG. 4 is a perspective view of the cooker tray of the sixth embodiment.
- Example 1 Example 2
- Example 3 Example 4 Low expansion Low expansion Low expansion Low expansion Substrate Itoyoshi crystallized glass Crystallized glass Crystallized glass Crystallized glass First layer ⁇ Ti N
- Thickness (nm) 50) (100) (150) (200) layer
- Thickness (nm) 150) (100) (75) (200) layer
- Example 9 Example 10 Example 1 1 Example 1 2 Low expansion Low expansion Low expansion Substrate Crystallized glass Crystallized glass Crystallized glass Crystallized glass Crystallized glass;
- Thickness (nm) 500 (100) (150) (200) layer
- Example 13 Example 14 Example 1 5
- Example 1 6 Expansion of use ® Expansion Low expansion Low expansion Substrate $ Crystallized glass Crystallized glass Crystallized glass Crystallized glass First layer S 1 S i NS i NT i 0 2 Thickness (nm) (150) (500) (300) (25)
- Thickness (nm) (200) (50) (500) (200) layer
- Average transmittance (%) 1 0.5 Abrasion resistance 800 1000 1200
- Example 17 Example 18 Example 1 9
- Example 20 Low expansion Low expansion Low expansion Low expansion Substrate Crystallized glass Crystallized glass Crystallized glass Crystallized glass First layer ⁇ i 0 2 Si NS i NS i N Film thickness (nm) (50) (150) (150) (150)
- Thickness (nm) (200) (200) (200) (200) (200) (200) (200) (200) (200) layer
- Third layer Ti 0 2 S i NS i NS i N Film thickness (nm) (100) (150) (150) (150) Color tone Light blue Gold Wine red Wine red
- Example 25 Example 26
- Example 27 Example 28 Low expansion Low expansion Low expansion Low expansion Substrate Crystallized glass Crystallized glass Crystallized glass Crystallized glass Crystallized glass First layer S i NS i NS i NS i N Film thickness (nm) (150) (50) (200) (20) 2nd layer ⁇ A 1 T i N ⁇ W ⁇ b N ⁇ Ti shield
- glass is formed into a plate shape by mouth-out method using a metal roll surface-finished by sandblasting to obtain a crystalline glass plate with one surface being rough and the other being smooth.
- this crystalline glass plate was subjected to a heat treatment to obtain a transparent crystallized glass (Nippon Electric Glass Co., Ltd., with a mean linear thermal expansion coefficient at 500 ° C).
- a substrate 11 composed of 5 ⁇ 10- ° C) was obtained.
- the first surface (use surface) 11a of the substrate 11 is a smooth surface having a surface roughness Rmax of less than 0.5 ⁇ m
- the second surface (unused surface) 1 lb is a surface roughness Rmax of 4 zm.
- the light-shielding film 12a is shown with a star to the left of the material name.
- the light-shielding layer 12 of Example 1 includes a first-layer light-shielding film 12a made of TiN and a second-layer antioxidant film 12b made of SiN. I have.
- the light-shielding layer 12 of Example 13 includes a first layer of an anti-oxidation film 12b of SiN, a second layer of a light-shielding film 12a of Si, and a third layer of SiN. It is composed of an antioxidant film 12b.
- the light-shielding layer 12 of Example 28 has two light-shielding films 12a, and includes a first antioxidant film 12b made of SiN, a second light-shielding film 12a made of Ti, and Si. It is composed of a third-layer light-shielding film 12a and a fourth-layer SiN film 12b for preventing oxidation.
- the light-shielding layer 12 of the embodiment 29 is composed of only the light-shielding film 12a made of Si. '
- Comparative Example 1 In Comparative Example 1, first, in mass%, Li 2 0 4. 0% , Al 2 ⁇ 3 15. 0%, S i 0 2 34. 0%, PbO 40. 0%, B 2 0 3 4. 0 %, Ti0 2 2. 0%, was prepared Garasufuri' bets having a composition of Zr0 2 1. 0%. Next, in mass%, Cr 2 0 3 15. 0 %, Fe 2 0 3 45. 0%, Co 3 0 4 30. 0%, NiO 5. 0%, Al 2 ⁇ 3 3. 0%, Si ⁇ 2 2. prepare the black pigment powder having a composition of 0%.
- a black raster paste (SL-900X-3) was applied on a substrate made of the same transparent crystallized glass as in the Example using a 250-mesh screen, dried, and heated to 830 ° C. To make a cooker top plate.
- a heat-resistant resin (GSX made by Daishin Paint) is partially applied on the light-shielding layer formed as described above, and the part where the heat-resistant resin is applied from the side where the light-shielding layer is not formed is made different. It was visually checked to see if it was visible.
- the transmittance at a wavelength of 4 to 0.8 ID and the average transmittance at a wavelength of 1.0 to 2.5 mm were measured using a spectrophotometer.
- the transmittance at a wavelength of 0.4 to 0.8 ⁇ 1 is the average transmittance at a wavelength of 1.0 to 2.5 m from the side on which the light-shielding layer is not formed. Light of each wavelength was incident from the side of the surface and measured.
- the abrasion resistance is as follows: A drop of 1 drop of water with a spot on the light-shielding layer of the top plate, and # 220 kg of SiC sandpaper stuck on the bottom (x8 cm).
- the weight was reciprocated with an amplitude of 10 cm, and the number of reciprocations of the weight was reduced so that the light-shielding layer was shaved by wear and the surface of the substrate was recognized.
- Heat resistance was evaluated by heating the top plate in an electric furnace and measuring the temperature at which a change in film quality such as a change in color tone was observed.
- Examples 1 to 30 had high abrasion resistance, and that Examples 1 to 28 had no problem with heat resistance. Even when the heat-resistant resin is partially applied on the light-shielding layer, the portion where the heat-resistant resin is adhered does not look foreign from the side where the light-shielding layer is not formed. Even though the light was reflected by the light shielding layer, it did not directly enter the eyes and was not dazzling.
- the average transmittance at a wavelength of 1.0 to 2.5 ⁇ was 65%, 80%, 45%, 60%, 75%, 35%, 50%, 67% and 61% were high.
- the transmittance was 1.5 to 6.0% over a wavelength of 0.45 to 0.75 ⁇ m, and Even if the indicator to be displayed is provided on the second side (non-use side) of the board, the light of the indicator of all colors, such as blue, green, yellow, and red, passes through the light-shielding layer, I could see it.
- Comparative Examples 1 and 2 have low abrasion resistance.
- Comparative Example 1 shows that when the heat-resistant resin is partially applied on the light-shielding layer, the heat-resistant resin is applied from the side where the light-shielding layer is not formed. The bonded area looked heterogeneous.
- the cooker top plate 20 of the embodiment shown in FIG. 5 includes a printed layer containing a glass frit and a pigment, which constitutes a character and Z or a figure, on the second surface (non-use surface) l ib of the substrate 11.
- 13 film thickness 5 ⁇ m
- a light shielding layer 12 composed of a light shielding film 12 a and an anti-oxidation film 12 b is formed thereon by a sputtering method.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Induction Heating Cooking Devices (AREA)
- Surface Treatment Of Glass (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/514,538 US7208703B2 (en) | 2002-05-16 | 2003-05-14 | Cooking top plate |
EP03723356.6A EP1505354B1 (en) | 2002-05-16 | 2003-05-14 | Cooking top plate |
AU2003235268A AU2003235268A1 (en) | 2002-05-16 | 2003-05-14 | Cooking top plate |
US11/556,627 US7718929B2 (en) | 2002-05-16 | 2006-11-03 | Cooking top plate |
Applications Claiming Priority (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-141309 | 2002-05-16 | ||
JP2002141309 | 2002-05-16 | ||
JP2002232490 | 2002-08-09 | ||
JP2002-232490 | 2002-08-09 | ||
JP2002319187 | 2002-11-01 | ||
JP2002-319187 | 2002-11-01 | ||
JP2002-362502 | 2002-12-13 | ||
JP2002362502 | 2002-12-13 | ||
JP2002-378285 | 2002-12-26 | ||
JP2002378285A JP2004211910A (ja) | 2002-12-26 | 2002-12-26 | 調理器用トッププレート |
JP2003-60887 | 2003-03-07 | ||
JP2003-60841 | 2003-03-07 | ||
JP2003060841 | 2003-03-07 | ||
JP2003060887A JP2004205190A (ja) | 2002-11-01 | 2003-03-07 | 調理器用トッププレート |
JP2003134242A JP4155096B2 (ja) | 2002-05-16 | 2003-05-13 | 調理器用トッププレート |
JP2003-134242 | 2003-05-13 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/556,627 Division US7718929B2 (en) | 2002-05-16 | 2006-11-03 | Cooking top plate |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003098115A1 true WO2003098115A1 (fr) | 2003-11-27 |
Family
ID=29554609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/005969 WO2003098115A1 (fr) | 2002-05-16 | 2003-05-14 | Plaque de cuisson superieure |
Country Status (5)
Country | Link |
---|---|
US (2) | US7208703B2 (ja) |
EP (1) | EP1505354B1 (ja) |
CN (1) | CN100398915C (ja) |
AU (1) | AU2003235268A1 (ja) |
WO (1) | WO2003098115A1 (ja) |
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DE102014119594A1 (de) | 2014-12-23 | 2016-06-23 | Schott Ag | Borosilikatglas mit niedriger Sprödigkeit und hoher intrinsischer Festigkeit, seine Herstellung und seine Verwendung |
DE102014119594B4 (de) | 2014-12-23 | 2019-02-07 | Schott Ag | Borosilikatglas mit niedriger Sprödigkeit und hoher intrinsischer Festigkeit, seine Herstellung und seine Verwendung |
US10442723B2 (en) | 2014-12-23 | 2019-10-15 | Schott Ag | Borosilicate glass with low brittleness and high intrinsic strength, the production thereof, and the use thereof |
DE102014119594B9 (de) | 2014-12-23 | 2020-06-18 | Schott Ag | Borosilikatglas mit niedriger Sprödigkeit und hoher intrinsischer Festigkeit, seine Herstellung und seine Verwendung |
Also Published As
Publication number | Publication date |
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US7208703B2 (en) | 2007-04-24 |
CN100398915C (zh) | 2008-07-02 |
AU2003235268A1 (en) | 2003-12-02 |
CN1646862A (zh) | 2005-07-27 |
US20050172829A1 (en) | 2005-08-11 |
EP1505354A1 (en) | 2005-02-09 |
EP1505354A4 (en) | 2008-10-15 |
US20070056961A1 (en) | 2007-03-15 |
EP1505354B1 (en) | 2015-06-24 |
US7718929B2 (en) | 2010-05-18 |
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