TW200829528A - Composition for forming dielectric layer, green sheet, dielectric layer forming substrate and manufacturing method of the same, and manufacturing method of plasma display panel - Google Patents

Abstract

The present invention provides a composition for forming a dielectric layer, a green sheet, a dielectric layer forming substrate and a manufacturing method of the same, and a manufacturing method of plasma display panel. A sand blasting method is used to form a dielectric layer with high precision. A composition for forming a dielectric layer includes: a glass component, a SiO2 filler, a thermally decomposable binder, a dispersion agent, and a solvent. The above-mentioned glass component is particles with average particle size of 1.0 to 3.0 μm. The above-mentioned SiO2 filler is particles with average particle size of 0.3 to 2.0 μm. Furthermore, the content of SiO2 filler is 0.1 to 5 weight part per 100 part by weight of glass component. The component is formed into a film to obtain a green sheet, which is used to form a dielectric layer and subsequently formed into a plasma display panel. The invented method for manufacturing a dielectric layer includes a sand blasting process to form ribs.

Description

200829528 . Nine, invention description: [Technical field to which the invention belongs] This threat ^ Ming, -, - system - off - in the electric ... pulp - display - show - surface loose on the dielectric layer of the ribs excellent adhesion A dielectric layer forming composition for a boundary layer, a green sheet, a dielectric layer forming substrate, a method for producing the same, and a method for producing a plasma display panel. 0 [Prior Art] The display device 'has a liquid crystal display device, an electroluminescence display device, a plasma display panel, and the like. Among these, the plasma display panel (hereinafter also referred to as "PDP") is attracting attention as a multimedia display for the next generation. Fig. 8 is a cross-sectional view showing an example of a PDP. The PDP 100' shown in Fig. 8 includes a pair of glass substrates of the back glass substrate 1 and the front glass substrate 10. An address electrode 3 and a display electrode 30 which are orthogonal to each other are formed on the back surface glass substrate i and the inner surface ′ of the front substrate glass substrate 10, respectively. The address electrode 3 and the display electrode 30 are covered with a dielectric layer 5 (back surface dielectric layer) and a dielectric layer 5 (front panel dielectric layer), respectively. Further, the glass substrates 1 and 1 are separated into a discharge space (pixel) by a rib gate (partition wall) 6, and a phosphor 7 is formed in each pixel. In the method of forming a glass substrate for a back sheet and a glass substrate for a front panel, it is known that a green sheet formed by forming a composition for forming a dielectric layer into a film is adhered to a substrate, and then the green sheet is fired to form a green sheet. Method of PDP dielectric layer (Patent Documents 1, 2, etc.). Further, a rib grid (also referred to as a partition wall) is formed on the back surface dielectric layer 2209-9177-PF; Ahddub 5 200829528 • A method using a sand blast method is known (Patent Document 3). The sand blasting method is applied to the formed back surface dielectric layer, and the rib gate forming paste is coated. - I dry 桊 - rib - grid - material - material - layer - 丄 ^ ^ The film jet abrasive powder is subjected to a grinding process (also referred to as sandblasting.), and a method of removing the unnecessary portion of the rib gate material layer to form a rib gate. According to this method, the rib gate having the height line width accuracy can be formed simply and efficiently. _ However, 'in recent years' plasma display panels require more precision, and as a result, the rib grid pattern becomes finer. Then, since the rib gate pattern becomes finer, it is important to form the rib gate with higher precision. However, after the dielectric layer of the dielectric layer for forming the dielectric layer is formed, and the rib gate having a fine pattern is formed on the dielectric layer by sandblasting, the step of forming the rib is formed. The position of the rib grid is deviated (flow of the rib grid), and there is a case where the rib grid cannot be formed with high precision, which is a problem. [Patent Document 1] Japanese Laid-Open Patent Publication No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. [Problems to be Solved by the Invention] The present invention has been made in view of the problems previously solved to provide a dielectric layer formed by a sandblasting method to form a dielectric layer of a rib gate with high precision on a dielectric layer. A substrate, a green sheet, a dielectric layer forming substrate, a method for producing the same, and a method for producing a plasma display panel. 2209-9177-pp; Ahddub 6 200829528 , [Means for Solving the Problem] In order to solve the above problems, the present inventors have repeatedly studied the results, and have developed a cerium oxide filler, a thermally decomposable binder, a dispersing agent, and a solvent. By using the glass component and the oxidized dream filler as the fine particle material having a specific average particle diameter and setting the amount of the cerium oxide filler to a specific range, on the formed dielectric body layer By the step of forming the rib gate by the sand blasting method, it is possible to form the rib grid excellent in dimensional stability without reducing the dimensional accuracy of the rib grid, and the present invention has been completed. According to a first aspect of the present invention, there is provided a composition for forming a dielectric layer, which comprises a glass component of a cerium oxide filler, a thermally decomposable binder, a dispersant, and a solvent, wherein the glass component is The average particle diameter of the particle size of 1 · 0~3. 0 # m, the average particle size of the above-mentioned cerium oxide filler is 0. 3~2· 0 #m of the microparticles, and the content of the cerium oxide filler to the glass component The weight of 100 parts is 〇·; [~5 weight parts. The composition for forming a dielectric layer of the present invention is preferably a slurry containing fine particles having an average particle diameter of 1.0 to 4.0 mm, and the glass component is preferably not included in the lead, and is used for forming a plasma. The dielectric layer of the display panel is preferred. (3) According to a second aspect of the present invention, there is provided a raw green sheet obtained by molding the composition for forming a dielectric layer of the present invention into a film form. According to a third aspect of the present invention, there is provided a dielectric layer forming substrate having a dielectric sound formed using the green sheet of the present invention. The substrate is formed on the dielectric layer of the present invention, the surface of the dielectric layer is 2209-9177-PF; Ahddub 7 200829528 - the roughness is preferably 〇1~0.4/zm. According to a fourth aspect of the present invention, there is provided a method for fabricating a dielectric layer forming substrate, wherein the method comprises: "杳·-~~^^发-明-之-生-胚-板与基,板-粘-贴- And a step of forming a dielectric layer by calcining the green sheet. According to a fifth aspect of the present invention, there is provided a method of manufacturing a plasma display panel, comprising: a step of adhering a green sheet of the present invention to a substrate; and a step of forming a dielectric layer by firing the green sheet; The step of forming a rib gate on the resulting dielectric layer by sand blasting. [Effect of the Invention] The step of forming a dielectric layer by using the dielectric layer forming composition of the present invention and the green sheet to form a rib gate on the formed dielectric layer by sandblasting 'can reduce the size of the rib gate Accurately, a rib cage excellent in dimensional stability is formed. The dielectric layer forming composition and the green sheet of the present invention can be suitably used for forming a back surface dielectric layer of a plasma display panel. In the dielectric layer forming substrate of the present invention, since the ribs of the fine pattern can be formed on the dielectric layer with good dimensional stability, it can be favorably used for the manufacture of a highly accurate plasma display panel. According to the method for producing a dielectric layer forming substrate of the present invention, the dielectric layer forming substrate of the present invention can be efficiently produced. According to the method of manufacturing a plasma display panel of the present invention, it is possible to efficiently manufacture a high-precision, high-quality plasma display panel. [Embodiment] 2209-9177-PF; Ahddub 8 200829528 • Hereinafter, the present invention is divided into i) a dielectric layer forming composition, 2) a green sheet, 3) a dielectric layer forming substrate, a method for producing the same, and a method for producing the same 4) Plasma 1) Composition for forming a dielectric layer The composition for forming a battery layer of the present invention (hereinafter, simply referred to as "the composition of the present invention") contains a glass component and cerium oxide. A filler, a thermal decomposition adhesive, a dispersant, and a solvent, wherein the glass component is a fine particle having an average particle diameter of 1·〇3·3/G/zm, and the average particle of the above-mentioned cerium oxide filler The diameter is 微粒3 to 2· 〇/zm of the fine particles, and the content of the cerium oxide filler is 0·1 to 5 parts by weight to 100 parts by weight of the glass component. The glass component to be used in the composition of the present invention is not particularly limited as long as it is a fine particle having an average particle diameter of 1·0 to 3·0# m, and contains a glass component of lead and a glass component which does not contain lead. Can be used. From the viewpoint of environmental protection, it is preferred to use a glass component that does not contain lead. The glass component containing lead may, for example, be a two-component glass such as pb〇—匕〇3 (oxidized/lead-boron oxide) glass; PbO-B2〇3 - Si〇2 (lead oxide-boron oxide- Cerium oxide) is a three-component glass such as glass; PbO-B2〇3-Si (h-Al2〇3 (lead oxide-boron oxide-yttria-alumina) glass, PbO-BaO-Si (h-Ah〇) 3 (lead oxide-yttria-yttria-alumina) is glass, PbO-Zn〇-B2〇3-Si〇2 (lead oxide-boron oxide-boron oxide-oxidized oxide) glass PbO-BaO-B2 〇3-Si (h (oxidized erbium-oxidized cerium oxide oxidized cerium oxide) is a four-component glass such as glass; PbO-BaO-BzO3-Si〇2-Ah〇3 (oxidized erbium-yttria _ boron oxide _ Oxide Oxidation - Oxidation Ming) is glass, PbO-ZnO-B2〇3-BaO-Si〇2 (oxidation error-zinc oxide-boron oxide-oxidation lock 2209-9177-PF; Ahddub 9 200829528, fossil Μ glass , Pb0-Zn〇_B2〇3_Si〇2_A12〇3 (oxidation error _ oxidation word _ emulsified boron - oxidation hair _ oxidation Ming) is a five-component glass such as glass. ———______ material-not-house- -I participate in t-glass -" "ears of the case,

ZnO-BA-Si〇2 (Zinc Oxide Boron Oxide - Cerium Oxide) is a Zn〇-P2〇5-Si〇2 (Zinc Oxide_Phosphorus Oxide Oxide) system, Bi2〇3-B2 (VSi) 〇2 (yttria-boron oxide-yttria) is broken glass, 'ZnO-BW-MC zinc oxide boron monoxide_potassium oxide) is broken, Zn〇-P2 (h-Ti〇2 (zinc oxide-oxidation) Phosphorus-titanium oxide) is a glass, B2〇3-Si〇2-A12〇3 (boron oxide_yttria-alumina)-based glass, Ρ2〇5-Β2〇3-Α12〇3 (phosphorus oxide-boron oxide _Alumina) is a three-component glass such as glass; Bi2〇3-B2〇3-Si〇2-Al2〇3 (yttria-boron oxide-yttria-alumina) glass, ZnO-BaCh-S i Or A12〇3 (oxidation word_boron oxide__yttria-alumina) is glass, Zn0-P2〇5-Si〇2_A12〇3 (zinc oxide_phosphorus oxide-yttria-alumina) glass, Zn0_Bi2〇3_Si 〇2_B2〇3 (oxidation _ 铋 铋 铋 铋 氧化 氧化 氧化 氧化 氧化 ) ) ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; _Aluminum oxide-Boron oxide) glass, Zn0-Bi2〇3-Si〇2_Al2〇3_B2〇3 (Zinc oxide-Yttrium oxide-Yttrium oxide-Alumina oxide_Oxidation It is a five-component glass such as glass. In addition, CaO'Nh^Ti^hO, Li2〇, K2O, BaO, MgO, SrO, etc. may be added to these glass components. It is preferable to use a glass component containing no lead, and it is preferable to use ZnO-Bi2〇3-BaO-AhCh-B2〇3 (zinc oxide-yttria-yttria-alumina-boria) glass. In the invention, the glass component is made into a fine powder or made into a glass melt 2209-9177-PF; Ahddub 10 200829528 • The block is pulverized and used in powder form. The glass frit can be obtained by melting the glass and then cooling.

~ This " hair - Ming group - combined - things -, - Yushi - said - glass - glass - into - minutes - outside, - contains - a filling - filling - Qi P component of the cerium oxide filler. Since the composition of the present invention contains a filler of a filler component, it is used as a composition for forming a white dielectric body for a panel. The average particle size of the cerium oxide filler is 〇·3~2·0 V m. When the average particle diameter is smaller than 〇·3 β m, even if the appropriate addition amount is ensured, the sinterability in the calcination process cannot be improved, and the surface roughness of the formed white dielectric layer cannot be revealed. Further, when the average particle diameter is larger than 2· 〇 V m , local defects are generated. 1〜5重量部。 The content of the weight of the glass component is 0. 1~5 weight. When the content of the cerium oxide filler is less than the above range, the surface roughness of the obtained white dielectric layer may be deteriorated. on the other hand,

More than the above range, it will reduce the withstand voltage characteristics of the dielectric layer. The composition of the present invention may contain other fillers than the above-mentioned ceria filler. Examples of the filler component other than the oxidized ♦ filler include Ti 2 (titanium oxide), Al 2 〇 3 (oxidized sulphur), and scratch (oxidized ampere, etc.) glass component, and inclusion: oxygen-filled filler filling The blending agent is usually (glass component): (filler component) in a weight ratio of 50:50 to 95:5, preferably 70:30 to 95:5. The average composition of the glass component and the dioxide filler The diameter can be, for example, 2209-9177-PF; Ahddub 11 200829528 * Each powder is applied with ultrasonic waves for 5 minutes, dispersed in IPA (isopropyl alcohol), and measured using a micro-track particle size distribution measuring device. Group-combination-----------------------------------------------____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The mixture is not particularly limited, and has a function as a binder, which can be easily removed by calcination, and can also be used as an acrylic resin which acts as a pressure-sensitive adhesive for a glass substrate. For example, For example, a single polymer of a (meth) acrylate compound, a copolymer of two or more kinds of (meth) acrylate compounds, a (meth) acrylate compound, and other copolymerizable monomers are obtained. Among them, a copolymer obtained from two or more kinds of (meth) acrylate compounds is preferred. Here, (meth) acrylate means acrylate or methyl group. Any φ of the acrylate (the same applies hereinafter.) Specific examples of the (meth)acrylic acid vinegar include methyl (meth)propionate, ethyl (meth)acetate, and ethyl (meth)acrylate. Ester, isopropyl (meth) propyl acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, tert-butyl (meth) acrylate, amyl (meth) acrylate, (methyl)pentyl acrylate, isoamyl (meth)acrylate, hexyl (meth)acrylate, heptyl (meth)propionate, octyl (meth)acrylate, (mercapto)acrylic acid Isooctyl ester, 2-ethylhexyl (meth)acrylate, (meth)acrylic acid Hexyl hexyl ester, decyl (meth) acrylate, decyl (meth) acrylate, isophthalic acid (meth) acrylate 2209-9177-PF; Ahddub 12 200829528 ^ ester, undecyl (meth) acrylate, Dodecyl methacrylate, lauryl (meth) acrylate, stearyl (meth) acrylate, iso-hard (meth) acrylate - yue - vinegar - ^ _ ^ ^ _ A - _ _ —浠—acid—n ·, —_---------------------------------------- ----------------- 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, (Mercapto) hydroxyl (meth) acrylate such as 3-hydroxypropyl acrylate, 2-hydroxybutyl (meth) acrylate, 3-hydroxybutyl (meth) acrylate; _ phenoxy (meth) acrylate Ethyl (meth) phenoxy acrylate such as ethyl ester, 2-hydroxy-3-phenoxypropyl (meth) acrylate; 2-methoxyethyl (meth) acrylate (2-) Oxyethyl ester, 2-propoxyethyl (meth)acrylate, 2-butoxyethyl (meth)acrylate, 2-oxonium (meth)acrylate, etc. Alkenyl alkoxy methacrylate; (meth)acrylic acid poly(vinyl alcohol vinegar), (meth)acrylic acid ethoxydicarboxylate, (meth)acrylic acid methoxy polyethylene glycol _, ( Methyl)acrylic phenoxy polyethylene glycol ester, (meth)acrylic acid phenoxy polyethylene glycol ester, _ (meth)acrylic acid polypropylene glycol ester, (meth)acrylic acid ethoxypropylene glycol ester, ( (Methyl)acrylic acid methoxypropylene glycol ester, (meth)acrylic acid phenoxypropanediol ester (meth)propionic acid polyalkylene glycol; (meth)acrylic acid cyclohexyl ester, (meth)acrylic acid 4 Monobutylcyclohexyl ester, di-amyl amyl (meth)acrylate, dicyclopentenyl (meth)acrylate, dicyclopentadienyl propionate, borneol (meth)acrylate Ester, isobornyl (meth)acrylate, tricyclodecenyl (meth)acrylate, etc.; cycloalkyl (meth)acrylate, benzoyl (meth)acrylate, tetrahydrofurfuryl (meth)acrylate Wait. 2209-9177-PF; Ahddub 13 200829528 As another copolymerizable monomer, it is a compound which is copolymerizable with the above-mentioned acid ester compound and is not particularly limited. For example, (A-Dm-B-A-yl-Azu-Ampere-Sour Horse-to-Ethylene-Alkyl-O-Benzyl Acid)--Unsaturated Tannins; Ethyl-Based-Benzyl Group L^ a vinyl group-containing radical polymerizable compound such as decyl methyl ether, vinyl glycidyl ether, styrene, a-nonyl styrene, butylene or isoprene. In the present invention, as a thermal decomposition As the binder, it can be produced by a conventional method of producing a Φ or a commercially available product. The method for producing the thermally decomposable binder is not particularly limited, and a conventional method can be employed. For example, propylene glycol The resin can be produced by (co)polymerizing the above (meth)acrylic acid vinegar compound and other copolymerizable monomers as desired. The polymerization method is not particularly limited, and for example, azobisisoindole can be used. A radical polymerization initiator such as a nitrile (AIBN). The weight average molecular weight of the thermally decomposable binder used in the present invention is not particularly limited and is usually 10, _ to 4 〇〇, 〇〇〇 11 〇〇〇〇. ~3〇里〇〇〇〇 is better. Molecular weight, can be coagulated The glass transition temperature (Tg) of the thermally decomposable binder used in the present invention is not particularly limited and is usually -15 ° C to + 40 ° C. Further, in the present invention, As the thermally decomposable binder, a latex of a thermally decomposable binder in which a thermally decomposable binder is dispersed in an aqueous phase in the form of fine particles can also be used. The content of the thermally decomposable binder in the composition of the present invention is as a solid component. The ratio of the weight of the glass component to 100 parts by weight, usually 3 〇 to 12 〇, and the composition for forming a layer of a power layer which is excellent in dispersibility and storage stability, 2209-9177-PF; Ahddub 14 200829528-5 0~1 0 〇 〇 重量 重量 重量 重量 重量 重量 重量 重量 重量 重量 重量 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( a nonionic surfactant, a polycarboxylic acid type polymer surfactant, a poly-ester acid amine salt, a chopping coupling agent, etc. Examples of the anionic surfactant include an alkyl benzoate and a ruthenium φ. Natto I salt, sodium succinate salt, base Diphenyl sulfonate sodium salt, formalin condensate sodium salt, aromatic sulfonic acid famarin condensate sodium salt, etc. Examples of the cationic surfactant include an alkylamine salt, a quaternary ammonium salt, and the like. The ionic surfactant can be exemplified by polyethylene glycol monolaurate, polyethylene glycol monostearate, sorbitan monooleate, polyethylene glycol distearate, polyethylene glycol monooleate. An acid ester, lauric acid diethanolamine, decyl glucosamine, lauryl glucoside, a polyether surfactant, etc. _ As a polycarboxylic acid type polymer surfactant, α-olefin·Malay I a part of vinegar of an anhydride, a fatty polyglycolate, an aliphatic polyacid, a special silicone, etc. As the polyether ester amine salt, polyether polyester acid, polyether polyol polyester, etc. A polymer dispersant obtained by an organic amine such as an ether ester acid or a polymer polyamine (specifically, DISPER〇NDA-234 (trade name, manufactured by Kudang Chemicals Co., Ltd.)). Further, as the decane coupling agent, vinyl trimethoxy decane, vinyl triethoxy decane, r-gas propyl tridecyl decane, aminopropyl 2209-9177-pp; Ahddub 15 200829528 turtle - three Ethoxy oxime, N-/5 -(N-vinylbenzylaminoethyl-aminopropyldiethoxy sulphuric acid hydrochloride, N-(no-aminoethyl)-r - Aminopropyl ketone-based - Shixi a stick ring - Oxygen - propyl group - propyl group - early base - Shi Xiyi burnt - diglycidoxypropyl methyldimethoxy Decane, 7-methacryloxypropyltrimethoxydecane, methacrylium methoxypropylmethyl decyloxydecane, hydrazine-thiolpropyltrimethoxy decane, τ-(2-amine Ethyl ethyl) aminopropyl dimethoxy decane, r - (2-aminoethyl) aminopropyl methyl dimethoxy 矽 Φ alkane, amino decane, vinyl triethylene decane, Y-anilinopropyltrimethoxydecane, octadecyldimethyl(3-(trimethoxydecyl)propyl)ammonium chloride, r-ureidopropyltriethoxylate, etc. The agents may be used alone or in combination of two or more. The polycarboxylic acid-based polymer surfactant and the polyether esteramine salt are preferred because of the excellent oil dispersibility, etc. The amount of the dispersant used is 0.3 in terms of solid content and 100 parts by weight of the glass component. Preferably, the weight of the component is preferably from 5% to 5 parts by weight. The amount of the dispersant used is less than the range, and the composition for forming the dielectric layer is uneven in dispersion, and the glass component is easily precipitated. On the other hand, if the amount is more than this range, the dispersant remains in the dielectric layer through the calcination step, which causes a decrease in withstand voltage and transparency. (Solvent) The composition of the present invention The glass component, the cerium oxide filler, the dispersing agent, and the thermally decomposable binder contain a solvent, and the solvent imparts appropriate fluidity or plasticity to the composition and good film formability. Solvent, which can be exemplified by water; diethyl ether, bis 2209-9177-PF; Ahddub 16 200829528 ether 1,2 monomethoxyethane, tetrahydrofuran, 1,4-dioxane and other ethers; decyl acetate, acetic acid Ester, propyl acetate, acetic acid Butyl ester, decyl lactate, etc. - acetonyl-propyl '-methyl-acetone-methyl 4-iso-butanone-e-ketone-cyclohexanone; N,N'-dimercaptocarboxamide, N, N, dimethyl acetamide, hexamethyl sulphonate m ketone and other lysines; Bu (10) amines and other internal amines; 7-lactones, lactones and other lactones; Sulfoids such as sulfoxide and diethyl sulfoxide; aliphatic hydrocarbons such as pentyl alcohol, hexagram, gypsum, xin siu, brothel, simmering, etc., alicyclic, cyclohexyl, cycloxin and other alicyclic Tobacco, aromatic hydrocarbons such as benzene, toluene, xylene; dichloromethane, gas, carbon tetrachloride, 1> 2_dichloroethane, chlorobenzene, etc.; Two or more kinds of mixed solvents and the like. Among these, a composition for forming a dielectric layer which is effective in obtaining a recording state having a uniform sentence and a composition for forming a dielectric layer is used, or a mixture of two or more of them is used. A mixed solvent is preferred. The amount of the solvent to be used is not particularly limited, and is usually di% by weight. (Other additives) Two hairs: The composition can be added with plasticizers, adhesives, etc. as needed: his, antifoaming agent, thermal decomposition accelerator, and oxidation prevention. As: use:. For example, plasticizers are used to improve processing suitability and J is used as a plasticizer. It can be used as a plasticizer for dimethyl phthalate, diol s, plastics, plastics, and benzene. The 00 weight portion is the (iv) weight portion. The amount of the agent to be used, (modulation of the composition) The composition of the present invention, the above-mentioned thermally decomposable rubber dioxate filler, dispersant, solvent, glass component, /, other filler component, etc. 2209-9177-PF; Ahddub 17 200829528 After mixing 'modulated by mechanical dispersion with a disperser. The dispersing machine for dispersing is not particularly limited 'for example, ball grinding, one bead-grinding-media I-grinding-super-sound-wave-type one, I-type I-average 4 instrument; Machines, pro-wheel grinders and other conventional dispersers. As described above, the composition of the present invention containing a slurry of fine particles can be obtained. The average particle diameter of the fine particles contained in the composition of the present invention is not particularly limited, and is preferably 0.5 to 4. (^m is more preferably 1 to 3 5 / ζπι.

The average particle diameter of the fine particles contained in the composition of the present invention can be, for example, a solution of the composition of the present invention in the form of a slurry diluted with methyl isobutyl ketone (μιβκ) to a concentration of 0.05% by weight in accordance with (10) coffee] It is measured by a laser diffraction/light scattering type particle size distribution measuring device. Further, the maximum particle diameter of the fine particles contained in the composition of the present invention is preferably 2 Mm or less on the upper boundary layer which is transparent and transparent. When the maximum particle diameter (4) of the above-mentioned fine particles is 2, defects such as pinholes are likely to occur on the surface of the obtained boundary layer, and it is difficult to obtain desired withstand voltage characteristics. According to the composition of the present invention obtained as above, when the rib gate is formed by the sand blasting method, even if the rib gate pattern is fine, the shape of the rib grid can be reduced without causing the rib grid to be offset. Dimensional accuracy, and can be formed into a size: a dielectric layer of a ribbed grid with excellent properties. The composition of the present invention can be used well for the formation of a flat panel display, particularly a back panel dielectric layer of a PDP. Further, the composition of the present invention is also useful as a raw material for producing a raw sheet of the present invention to be described later. 2) Raw green plate 2209-9177-PF; Ahddub 18 200829528 - The raw green sheet of the present invention is obtained by molding the dielectric layer forming composition of the present invention into a film form. .--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- One example of producing a green sheet of the present invention is shown in Fig. 1. 1'13 is a carrier film '14 is a coating device for coating a dielectric axe forming composition of the present invention, and 18 is a drying device for drying (solving a solvent) dielectric layer 10 composition coating film. 20a and 20b are laminated rolls of a protective film laminated on a green sheet. Hereinafter, a method of manufacturing the green sheet of the present invention will be described with reference to Fig. 1 . First, the carrier film 13 taken up in a roll shape is sent to the coating device 14. The carrier film 13 is not particularly limited as long as it has good peelability from the coating film of the composition for forming a dielectric layer. For example, a plastic film such as a polyethylene terephthalate film, a polyethylene naphthalate film, a polyethylene film, or a polypropylene film can be used. Further, it is preferable to apply a release agent such as a silicone resin, an alkyd resin, a fluororesin or a long-chain alkyl resin to one side of the above-mentioned plastic film. Further, a resin having releasability on the above plastic film may be used, for example, by extruding a polyolefin resin on a polyethylene terephthalate film. The thickness of the carrier film is usually from 10 to 200 μm. Next, the composition is applied to the carrier film 13 by the coating device 14. The coating device 14 includes a storage unit 5 and a coating unit i 6 . The storage unit i 5 is a slurry-like composition, and the composition is supplied to the coating unit 6 in a predetermined amount. The coating unit 16 is not particularly limited. A conventional coater such as a knife coater or a die coater can be used. 2209-9177-PF; Ahddub 19 200829528 The thickness of the film 17a can be suitably set in accordance with the coating amount of the composition of the present invention. The furnace is placed in the drying device 18. By drying the coating film na of the composition in the drying device 18 (i.e., removing volatile components such as a solvent), a dried coating film of the composition, i.e., a laminate of the green sheets 17 laminated on the carrier film 13, is obtained. The method of drying the coating film 17a of the above composition is not particularly limited, and examples thereof include (1) heating the carrier film forming the coating film to a predetermined temperature, and (8) imparting dry air or hot air to the surface of the coating film. Method; a method of combining the above (A) and (B), and the like. The temperature at the time of drying is as long as the temperature at which the carrier film is not thermally deformed and is ", and is particularly limited to" usually from room temperature to 15 (rc, preferably 6 〇 to 咖 C. The drying time is 1 to 10 minutes). The thickness of the dried coating film 17a is usually 10 to 200 μm, preferably 20 to 120 μm. Next, a protective film 19 is laminated on the green sheet 17. In Fig. 1, the protective film 19 is wound into a roll. A tubular long film may be used as the protective film to be used. The thickness of the protective film is usually 10 to 200 μm. The protective film 19 is laminated on the green sheet 17, in the figure, The green sheet 17 and the protective film 19 are passed between the two laminating rolls 20a and 20b to be bonded (laminated). At this time, both or one of the laminating rolls 20a and 20b, for example, may be The roller 20b on the side of the protective film is heated. As described above, a laminated film 21 composed of a carrier film 13-green plate 17-protective film 19, 3 2209-9177-pF, Ahddub 20 200829528, and a layer is obtained. The laminated film 21 can be taken up in a roll shape, collected and stored, and transported. The above-mentioned -I---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- The ribs 4 which form the fine pattern can reduce the dimensional accuracy of the rib grid without forming the offset of the rib grid, and can form a rib gate excellent in dimensional stability, so that a high-precision, high-quality PDP can be manufactured. 3) Dielectric layer forming substrate, and manufacturing method thereof The dielectric layer forming substrate of the present invention has a dielectric layer formed using the green sheet of the present invention on the substrate. The dielectric layer of the present invention forms a substrate, For example, it can be obtained by the method for producing a dielectric layer forming substrate of the present invention, comprising: a step of adhering the green sheet of the present invention to a substrate; and a step of forming the dielectric layer by firing the green sheet. Specifically, the protective film is peeled off from the green sheet, laminated on the substrate, and then the carrier film is peeled off, and the green sheet is fired. According to this method, uniformity can be produced even in a large area. High quality dielectric layer The substrate to be used herein is preferably a glass substrate, a ceramic substrate, or the like, and a glass substrate is preferable. The glass substrate may, for example, be a glass substrate for a back surface plate on which a display electrode is formed on the surface. The dielectric layer forming substrate of the present invention is manufactured on the back surface of the PDP 2209-9177-PF; the Ahddub 21 200829528 glass substrate for the board has a white dielectric layer only for the panel. The glass is exemplified in Fig. 2. The one shown in Fig. 2, in Fig. 8, = the base of the substrate - the shape of the plate 44 - the form of - white - color n body - layer ~ 5) The laminated film 21 is secondarily formed, as shown in Fig. 2(b), the raw embryo is made 17 and thermocompression bonded to the glass substrate of the back surface plate on which the address electrode 4 is formed.

坂1 (formed with address electrode 3 side thermocompression, for example, 9 has 4 sites, n〇r iqn〇r ^ uses heated roller to heat the temperature 5〇C~13GC' pressure 〇.〇5 _ is the condition. The thermally decomposable binder in the composition of the present invention is also a feeling due to the binder

Since the pressure-sensitive adhesive is used, the green sheet 17 can be uniformly adhered to the glass substrate 1 by 铐# from A hunting. As shown in Fig. 2(C), the glass substrate 1 having the green plate 17 is thermally calcined by the green sheet 17 to remove the carrier film 13'. During this process, the thermally decomposable binder in the composition thermally decomposes and the organic component is completely removed. As a method of calcining and thermally bonding the glass substrate of the green sheet 17, for example, a method in which the glass substrate to which the green sheet 17 is thermocompression bonded is placed in a calcining furnace to heat the whole. The calcination temperature is a temperature at which the thermal decomposition binder is thermally decomposed to completely remove the organic component and becomes a molten state in which the glass component is uniform and uniform. The satin temperature 'is usually the temperature near the softening point of the glass component in the green sheet. Specifically, it is usually 500 to 65 (rc, preferably 520 to 620 ° C, 2209-9177-PF; Ahddub 22 200829528 . 560 to 600 ° C. The calcination time is usually from 1 minute to 3 hours. , 5 minutes to 12 minutes -------~ ---________ ~~-----_________________________________ After calcination, by cooling, as shown in Figure 2 (d), thickness 5 The surface roughness (Ra) of the dielectric layer to be deposited is 1 G. 1 to 〇. 4, which is a layer of a dielectric layer of a white dielectric layer 5. // m is _ 仫. When the surface roughness (Ra) is in this range, the adhesion to the rib-forming paste applied in the next step can be satisfactorily exhibited. Surface roughness (Ra), for example, It is measured by a contact surface roughness measuring device, etc. The white dielectric layer has excellent reflectance in a wide wavelength region, and its reflectance at 460 nm is preferably 60% or more, and the reflectance at 560 nm is More than 50% at 66 〇 followed by a reflectance of more than 4%.

The reflectance can be measured by a conventional spectrophotometer (for example, UV-VIS-NIR • spectrophotometer, type: UV-31〇1P〇, manufactured by Shimadzu Corporation). The white tantalum electric layer is known to have an excellent financial voltage. The financial voltage is preferably above 450V. The withstand voltage can be measured by a conventional withstand voltage measuring device (for example, type: TOS9201, manufactured by Kikusui Electronics Co., Ltd.). In the dielectric layer as described above, when the ribs of the fine pattern are formed by the sand blasting method, the ribs are formed so that the ribs are not displaced and the rib tearing is excellent in dimensional accuracy. By using the dielectric layer of the present invention to form a substrate, it is possible to manufacture a high-precision 2209-9177-PF; Ahddub 23 200829528 two-quality flat panel display. As a flat panel display, it can be mentioned: hair:: display (10), liquid crystal display device, electroluminescence display device -, A - _____ ___) manufacturing method of plasma display panel:: Ming plasma display panel a manufacturing method, comprising: a step of adhering the == germ plate to the substrate; by calcining the raw sheet,

a step of forming a body layer; and a step of forming a rib gate on the resulting dielectric layer by sand blasting. "Electrical swarf in the manufacturing method of the electric display panel of the present invention, the step of adhering the eight substrates of the present invention; and the step of forming the electric layer by firing the raw slab, which can be The method of producing the dielectric layer forming substrate of the present invention, A, and τ, is carried out in the same manner. Next, on the resulting dielectric layer, a rib gate is formed by sand blasting. This step can be specifically carried out as follows. First, a white dielectric layer forming substrate having the same layer structure as that shown in Fig. 2 (4) was prepared. Next, as shown in Fig. 3 (4), the rib forming paste is applied and dried on the dielectric layer 5 formed on the glass substrate 1 by a doctor blade method or a screen printing method to form a rib gate. Material layer. The paste for forming a rib grid to be used herein is not particularly limited, and can be described in Japanese Unexamined Patent Publication No. Hei No. Hei. A paste for forming a ribs, such as the publication No. 8629, the 曰本特平平号, and the 曰本特开圆_29760. 2209-9177-PF; Ahddub 200829528 • % is large, as shown in Fig. 3(b), the rib gate material layer 6a is heated and crimped, and a mask layer 7a is placed. Then, the warp-shaped mask pattern t Μ is as shown in Fig. 3(c), and the film is formed on the rib gate material layer 6a. Then, as shown in Fig. 4(e), the abrasive powder β is jet-polished (referred to as sandblasting), and the unnecessary portion of the rib gate material layer 6a is removed, as shown in Fig. 4(f). A rib grid 6 is formed under the film 7. φ 乍 is the blasting powder used herein, and examples thereof include inorganic particles such as glass beads having a particle diameter of 2 to 50 /z m, SiC, S1O2, Al2〇3, and Zr〇2 (oxidation error). Next, the mask 7 is formed as a release material, and a reticle 6 is formed on the dielectric layer 5 via a calcination step as shown in FIG. 4(g). According to the present invention, the green sheet of the present invention can be easily formed even when the pattern of the rib grid 6 is fine, and the barrier layer 6 having excellent adhesion of the dielectric layer 5 and excellent dimensional stability can be obtained. • As described above, the glass substrate 1 is used to form a panel in which the back surface dielectric layer 5 and the barrier 6 are formed, and the back panel and the front panel are combined in a conventional manner to manufacture a pdpi 具有 having a configuration as shown in FIG. Hey. [Examples] Next, the present invention will be described in more detail by way of examples and comparative examples, but the invention is not limited to the following examples. The glass component, the filler component, the thermal decomposition binder, the dispersant, and the solvent are used as follows. 1) Glass component 2209-9177-PF/Ahddub 200829528 (1) Glass component A: ZnO-Bi2〇3-BaO-Al2〇3-B2〇3 series glass soluble block (average particle size 1 · 2 # m ) —TM (-2-)-塞璃-成-之二B丄二AJ上丄Οι系鬼 (average particle size 1 · 8 # m ) (3) Glass composition C: ZnO-Bi2〇3-BaO-AI2O3-B2O3 Glass frit (average particle size 2 _ 5 # m ) 2) Filler composition

(1) Filler component A: Ti〇2 (1〇 weight part) + Si〇2 (2 parts by weight, average particle size of cerium oxide filler: 丨·5 #瓜) (2) Filler component b: TiLdj weight part) + 〇 2 (4 parts by weight, average particle size of cerium oxide filler: 〗 〖 5 # m) (3) Filler component c : Ti 〇 2 (15 parts by weight) (4) Filler Component D: Ti〇2 (weight of the 〇) + Si〇2 (7 parts by weight, average particle diameter of the dioxide filler: 丨· 5 m) 3) Thermally decomposable binder as a thermal decomposition adhesive , borrowed; w use the following. Furthermore, in the following, respectively, methyl propyl acid such as 2-ethyl hexamerate is inflamed. "II, 丞hexyl 酉曰 5 is "2-EHMA", acrylic acid

It is marked as "AA", n-butyl acrylate is referred to as "R II, 曰 ° hex von BMA", methyl methacrylate C is "JJMA", methacrylic acid 2-hydroxy acetonitrile & "HEMA". (1) Thermally decomposable binder A ··Using even u-, 1 using 惝虱-isobutyronitrile 〇· 5 parts as a radical polymerization initiator, 9 p Μ Λ 2-ΕΗΜΑ:ΑΑ= 99:1 (% by weight) of a monomer mixture of 100 parts by weight, in a mixture of methyl isobutyl ketone: ethyl acetate = 25:75 (% by weight), in a mixture of 7 〇〇c

A 55 wt% solution of copolymer A was known for 16 hours. 2209-9177-PF; Ahddub 26 200829528 • The obtained copolymer A had a glass transition temperature (Tg) of -11 ° C and a weight average molecular weight (黯) of 17,000. ——~~^(4) 。 性 性 性 性 性 性 性 性 性 性 性 性 性 性 性 性 卷 卷 卷 卷 卷 卷 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- 2- :BMA:MMA:HEMA = 4 (h40:1〇: ι〇 (% by weight) of the monomer mixture ι〇〇 weight, in methyl isobutyl hydrazine: donated acid ethyl ester = 25:75 (% by weight) In a mixed solvent, a 50% by weight solution of the copolymer b was obtained by polymerization at 70 ° C for 16 hours. The obtained copolymer B had a glass transition temperature (Tg) of 15 ° C and a weight average molecular weight (?) of 80,000. 3) Dispersant (1) Dispersant A: Polycarboxylate polymer surfactant (α-olefin / part of vinegar of maleic acid copolymer), trade name: FLOWLEN G700, Kyoeisha Chemical Co., Ltd. (2) Dispersant Β : Polyether urethane salt (trade name: DISPER0N DA-234, manufactured by Nanben Chemical Co., Ltd.) φ 4 ) Solvent Acetate mixed solvent of ethyl vinegar and hydrazine (ethyl acetate: ΜΙΒΚ = 1: 1 (weight ratio)) Further, the dispersion state of the composition prepared in each of the examples and the comparative examples and the characteristics of the dielectric layer were evaluated as follows. (iii) Average particle size of the composition The average particle size of the composition (slurry) is diluted with MIBK to a concentration of 〇·05 wt%, in accordance with JIS Z8825-1, with laser diffraction/light The scattering type particle size distribution measuring apparatus (manufactured by Horiba, Ltd.) was measured. 2209~9177-PF; Ahddub 27 200829528. (iv) Determination of Surface Roughness Ra The surface of the dielectric layer after the X-burning is used, using a contact surface roughness meter.................. (v) Dimensional accuracy of the partition wall After the evaluation of the spray process, the mask layer composed of the dry film was washed away, and the resulting #gate pattern was visually observed to confirm the presence or absence of the occurrence of the rib grid offset. As long as there is a rib grid offset # and disappears, it is evaluated as X, and when it is not erected, it is evaluated as 〇. • (vi) Withstand voltage measurement The withstand voltage measurement is performed as follows. The glass substrate having the lower electrode 3a shown in FIG. 5 is adhered to the green sheet 17b shown in FIG. 6 and calcined in an electric furnace (heating from room temperature to a temperature of 1 〇t/min to 57 ° C) at the same temperature. After maintaining for 3 minutes, a white dielectric layer (not shown) was formed on the substrate having the electrodes. Next, as shown in Fig. 7, an upper electrode (silver electrode) 3〇a is formed on the formed white dielectric layer by a conventional method. The electric resistance between the lower electrode 3a and the upper electrode 30a is measured by a withstand voltage measuring device (type: T0S92 (U, manufactured by Kikusui Electronics Co., Ltd.). As a result of the measurement, the withstand voltage is higher than the average value of 45 〇v. When it was evaluated as 〇 and less than 450 V, it was evaluated as X. (Example 1) The weight of the above-mentioned glass component A 88, the filler component A 12 containing the cerium oxide filler, and the thermally decomposable cement a丨4〇 weight portion (77 parts by weight of the inorganic component 1 〇〇 weight portion), dispersant 28 2 2 0 917 7 - PF; Ahddub 200829528 A 1 weight portion, and solvent 3 〇 I, The crucible is dispersed by a bead mill disperser, and the composition of the squid js, the squid, and the composition of the first embodiment (hereinafter referred to as "slurry μ m") and the aggregate 1 are measured. The average particle diameter (//m) of the average particle diameter of the fine particles of the slurry 1. The results are shown in Table i. The one side is prepared by using a silicone resin to a thickness of 〇. Alcohol ester (pET) as carrier film, thickness of treatment 50

The film was coated on the surface of the release treatment of the film by using a knife coater. Next, 1 G (rc was dried for 2 minutes, and a green plate i having a thickness of 35 #m was obtained on the enamel film. One or eight persons, on the raw slab 1 obtained above, the same long single side as the above PET film. The peeling-treated surface of the PET film for protection of ruthenium resin treated with ruthenium resin was subjected to pressure-bonding between the rolls, thereby obtaining a laminated film of three layers of the laminated pm film-green sheet-PET film. The protective film on the 1 is peeled off and removed, so that the raw sheet of the laminated film faces downward, and overlaps with the surface of the glass substrate (1G0 house xioo mm) having a thickness of 3 mm on the surface of the display electrode, and the heated parent wheel is used. Pressing (l〇〇°C, 0.5 MPa). Next, the carrier film (PET film) was peeled off, removed, placed in a calciner, and heated to a temperature of 57 ° C at 10 C/min. 57〇.〇 Maintaining the condition of adding the knife clock, the resin is calcined and thermally decomposed to obtain a dielectric layer formed with a dielectric layer having a thickness of 10/zm to form a substrate. The surface roughness Ra of the dielectric layer on the first layer. The measurement results are shown in Table i. 29 2209-9177-PF; Ahddub 200829528 • Dimensional accuracy of the bulk layer of the body layer. The evaluation results are shown in Table i. (Example 2) ----------------------------------------------------------- — 分—A—8,8—heavy—quantity—partial ~glass—glass—cheng—divided into B 85 weight, replacing the filler component a containing 12 parts of the cerium oxide filler, filled with cerium oxide The filler component of the agent B! 5 is a weight portion, and the weight of the thermally decomposable binder A is 140 parts by weight, and the weight of the thermally decomposable binder B is 160 parts (the weight ratio of the inorganic component 1 〇〇 is 80 parts by weight). In the same manner as in Example 1, except that the dispersant A 1 was used in the same manner as in Example 1, the dielectric layer-forming composition 2 (slurry 2), the green sheet 2, and Dielectric layer forming substrate 2 The results of the same items as those of Example 1 were measured or evaluated for each of the slurry 2, the green sheet 2, and the dielectric layer forming substrate 2. (Comparative Example 1) Example 1, in place of the glass component A 88 part by weight, using a glass of C 85 parts by weight, instead of containing dioxide The dielectric layer-forming composition 3 of Comparative Example i was obtained in the same manner as in Example 1 except that the weight of the filler component A 12 of the filler was used in the weight of the filler component c ι5 containing the cerium oxide filler. The slurry 3), the green sheet 3, and the dielectric layer forming substrate 3. The results of the same items as in the first embodiment were measured or evaluated for each of the material 3, the green sheet 3, and the dielectric layer forming substrate 3. Shown in Table i. (Comparative Example 2) In Example 1, instead of the weight component of the glass component A 88, glass was used to form 2209-9177-PF; Ahddub 30 200829528

• A weight portion of A 83, which replaces the weight of the filler component A 12 containing the cerium oxide filler, and the filler component D 17 containing the cerium oxide filler is used to form a combination of JfeUL solid layer formation. The material 4 (slurry 4), the green sheet 4, and the dielectric layer form the substrate 4. The results of the same items as those of the first embodiment were measured or evaluated for each of the slurry 4, the green sheet 4, and the dielectric layer forming substrate 4. Table 1 is shown. 【Table 1】

Glass component (type/weight portion) Average particle diameter of glass frit (μπ〇 filler component (type/weight portion) Content of the cerium oxide filler to 100 parts by weight of glass component (weight portion) Average particle size of slurry ( ^m) Surface roughness Ra (#m) Rib grid 5 Dimensional accuracy withstand voltage Example 1 A/88 1.2 Α/12 2.3 1.8 0.15 〇〇Example 2 B/85 1.8 Β/15 4.7 2.3 0.23 〇〇Comparative example 1 C/85 2.5 C/15 0 3.5 0.07 X 〇Comparative Example 2 A/83 1.2 D/17 8.4 2.5 0.45 XX It can be seen from Table 1 that the composition for forming a dielectric layer (and a green sheet) of the examples is used. In the electric layer, the step of forming the rib gate by the sand blasting method on the formed dielectric layer does not reduce the dimensional accuracy of the rib grid, and can form a rib grid excellent in dimensional stability. When the composition for forming a dielectric layer of Example 1 is rib-ribbed, it may cause a discharge failure. When the composition for forming a dielectric layer of Comparative Example 2 is used, rib offset and resistance are generated. The voltage is poor, and there is a reason for the poor discharge. Fig. 1 is a schematic view showing the steps of manufacturing the green sheet of the present invention. Fig. 2(a) to Fig. 2(d) show the dielectric layer forming substrate 2209-9177-PF of the present invention; Ahddub 31 200829528 Λ < Figure 3 (a) to Figure 3 (d) is on the back panel dielectric layer, by sandblasting -_______ a shape - ^ ^ 月力" book - summary map g - 4(e) to 4(g) are schematic diagrams showing the steps of forming a rib gate by a mouth sand method on a back surface dielectric layer. Fig. 5 is a diagram showing a lower electrode for voltage resistance measurement. Figure 6 is a top view of a green sheet for forming a dielectric layer for measuring withstand voltage. Figure 7 is an embodiment for determining the withstand voltage. Fig. 8 is a structural sectional view showing an example of a plasma display panel. [Description of main components] 1 to glass substrate for back panel 3 to address electrode; 30 to display electrode; 60 to protective film; 6a to rib Material layer; 7a~mask layer; 14~coating device; 16~coating part; 18~drying device; 20a, 20b~layering roller; 10~ glass substrate 3a to lower electrode for front panel; 30a to upper electrode; 6 to rib gate (partition wall); 7 to mask; 70 to phosphor; 15 to storage; 17, 17b to raw plate; ~ protective film; 21 ~ laminated film; 2209-9177-PF; Ahddub 32 200829528 '100 ~ plasma display panel; 5 ~ dielectric layer (back panel dielectric layer); - electrical integration - layer - C front - surface — body layer—)—a coating film of a composition for forming a dielectric layer; 17a to a coating film for a composition for forming a dielectric layer.

2209-9177-PF; Ahddub 33

Claims (1)

200829528 . X. Patent application scope: 1. A composition for forming a dielectric layer, comprising a glass component, a dioxin-prepared preparation, a hot-stacking-gel dispersion, and a modulation ____, characterized in that: the above glass component The average particle diameter of the above-mentioned cerium oxide filler is 〇·3~2. 〇" The weight component of the glass component is 重量·b 5 weight parts. The composition for forming a dielectric layer according to claim 1, wherein the towel comprises a mass of fine particles having an average particle diameter of h 〇 4 4 (4). 3. If the scope of the patent application is the first! Or a composition for forming a dielectric layer according to the above aspect, wherein the glass component does not contain lead. The dielectric layer forming composition according to any one of the preceding claims, which is used for forming a dielectric layer of a plasma display panel. A material for forming a dielectric layer, which is obtained by forming a composition for forming a dielectric layer according to any one of claims 1 to 4, wherein a dielectric layer is formed into a substrate. And a dielectric layer formed using the green sheet according to claim 5, wherein the dielectric layer is formed on the substrate, wherein the dielectric layer is formed according to claim 6 The surface roughness is 〇1~〇4 仁瓜. 8. A method for manufacturing a dielectric layer forming substrate, comprising: step 2209-9177 of sticking the green sheet and the substrate according to item 5 of the patent application scope- PF; Ahddub 34 200829528 £. and the step of forming a dielectric layer by satin burning the above-mentioned raw sheet. - Work type - electric - pulp - display - I surface, plate, making - square - method cookware - a step of adhering the green sheet to the substrate according to the fifth item; a step of forming a dielectric layer by calcining the green sheet; and forming a rib on the obtained dielectric layer by sandblasting The steps of the grid. 2209-9177-PF; Ahddub 35