CN103435358B - Organic composition added in preparation of tape-casting slurry and application of organic composition - Google Patents
Organic composition added in preparation of tape-casting slurry and application of organic composition Download PDFInfo
- Publication number
- CN103435358B CN103435358B CN201310383797.3A CN201310383797A CN103435358B CN 103435358 B CN103435358 B CN 103435358B CN 201310383797 A CN201310383797 A CN 201310383797A CN 103435358 B CN103435358 B CN 103435358B
- Authority
- CN
- China
- Prior art keywords
- organic composite
- solvent
- casting
- organic
- casting slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses an organic composition added to early and later stages in preparation of tape-casting slurry. The organic composition added at the early stage comprises a solvent and a dispersing agent, wherein the solvent is at least one of reagents such as ethanol; the dispersing agent is at least one of the reagents such as tributyl phosphate; the organic composition added at the later stage comprises a solvent, an organic binder and a plasticizer, wherein the solvent is at least one of the reagents such as the ethanol, the plasticizer is at least one of the reagents such as polyethylene glycol, and the organic binder mainly is polyvinyl butyral. An application of the organic composition in a tape-casting process concretely comprises the following steps: firstly, mixing and ball-milling ceramic powder, an inorganic bonding phase, and the organic composition added at the early stage, and then adding the organic composition added at the later stage to carry out secondary ball-milling; stirring and defoaming to obtain the tape-casting slurry; adjusting a blade gap and the tape-casting speed of a tape-casting machine; preparing into a wet biscuit; and stripping from a carrier band after drying, so as to prepare a green tape. The organic composition is simple in preparation process, and short in preparation period; the prepared biscuit film is stable in quality, and does not easily crack.
Description
Technical field
The present invention relates to a kind of casting slurry, particularly relate to the organic composite and application thereof that add in a kind of casting slurry processed.
Background technology
Thick film integrated circuit (also known as thick film circuit) refers to by serigraphy, curtain coating, drying, the technique such as to burn till on substrate, make resistance, electric capacity, wire etc., meets the circuit unit of certain functional requirement.Thick-film electronic slurry mainly refers to for printing the slurry material system with curtain coating.Thick-film electronic slurry can be subdivided into dielectric paste, resistance slurry and conductor paste (electrode slurry) etc. according to using function difference; Different according to the component of function phase, thick-film electronic slurry can divide into again ceramic size, Precious Metal and base metal slurry; Different according to the operation of slurry, screen printing sizing agent and casting slurry can also be divided into.
Flow casting molding also claims blade method (Doctor-blade), is the important forming method of one of thick film ceramic medium.Casting molding processes produces the necessary technology of electronic component.Casting technique is that obtained casting slurry is scraped on support membrane by blade, forms uniform film slurry, obtains the forming method of the uniform biscuit film of thickness (green band) after drying.This process equipment is simple, process stabilizing, can continued operation, production efficiency high, can realize increasingly automated.
Casting slurry is generally made up of function phase, inorganic bond phase and organic component three part, and the processing performance of slurry and serviceability determine primarily of organic component wherein.The mixing of organic component is once blended, and in mixed process, mixed material viscosity is comparatively large, and the dispersiveness of ceramic powder is difficult to ensure.The curtain coating green band quality obtained with this casting slurry is unstable, and thickness can not control, and easily ruptures.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides the organic composite added in a kind of casting slurry processed, and this organic composite process for preparation is simple, and manufacturing cycle is short, and stability is high; The present invention also provides this organic composite of a kind of application to make the casting technique of green band, the biscuit film steady quality that this technique is obtained, not easy fracture.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of casting slurry mid-early stage processed adds organic composite, add organic composite described early stage and comprise solvent and dispersant, described solvent is at least one in ethanol, n-butanol, toluene, butanone, trichloro-ethylene, and described dispersant is at least one in tributyl phosphate, triethanolamine, olein, castor oil.
The mass ratio that above-mentioned early stage adds solvent and dispersant in organic composite is preferably 20 ~ 35:0.5 ~ 3.
As a total technical conceive, the casting slurry middle and later periods processed adds organic composite, the described later stage adds organic composite and comprises solvent, organic binder bond and plasticizer, wherein said solvent is at least one in ethanol, normal propyl alcohol, n-butanol, toluene, butanone, trichloro-ethylene, described plasticizer is at least one in dibutyl phthalate, dioctyl phthalate, polyethylene glycol, and described organic binder bond is polyvinyl butyral resin and/or ethyl cellulose.Described later stage add organic composite with above add described early stage organic composite with the use of.
The above-mentioned later stage adds in organic composite, and the mass ratio of solvent, organic binder bond and plasticizer is preferably 15 ~ 35:0.5 ~ 2.5:2.5 ~ 10.
The above-mentioned later stage adds in organic composite, and described plasticizer is preferably the mixture of dibutyl phthalate, dioctyl phthalate and polyethylene glycol three kinds, and its mixing quality ratio is 3 ~ 10:1 ~ 3:1 ~ 3.
As a total technical conceive, the present invention also provides the application of a kind of above-mentioned organic composite in casting technique, specifically comprises the following steps:
(1) prepare and add organic composite above-mentioned early stage;
(2) prepare the above-mentioned later stage and add organic composite, it is stirred until dissolve completely under 40 DEG C ~ 70 DEG C condition of water bath heating;
(3) early stage of preparation in ceramic powder (preferential oxidation aluminium), inorganic adhesive phase (preferred borosilicate glass) and step (1) is added organic composite mixing, hybrid mode adds agate ball (ball-milling medium) successively for adding in organic composite in early stage, ceramic powder (preferential oxidation aluminium), inorganic adhesive phase powder (preferred borosilicate glass) carry out a ball milling, obtains suspension;
(4) is added organic composite the later stage of preparation in step (2) to add in the suspension of step (3) and carry out secondary ball milling;
(5) the slurry agitation de-bubble will obtained after secondary ball milling, obtained casting slurry;
(6) adjust casting machine knife edge clearance, control curtain coating speed, the casting slurry of above-mentioned steps (5) is made wet base, after its drying, it is peeled off from carrier band, obtained green band.
In above-mentioned application, in step (5), the formula of casting slurry is preferably, the solvent that early stage adds in organic composite accounts for 20% ~ 35% of casting slurry gross mass, dispersant accounts for 0.5% ~ 3% of casting slurry gross mass, add that solvent in organic composite accounts for casting slurry gross mass 15% ~ 35%, organic binder bond accounts for casting slurry gross mass 0.5% ~ 6% later stage, plasticizer accounts for 2.5% ~ 10% of casting slurry gross mass.
In above-mentioned application, in step (6), casting machine knife edge clearance is preferably 250 μm ~ 330 μm.
In above-mentioned application, in step (6), baking temperature is preferably 40 DEG C ~ 45 DEG C.
In above-mentioned application, in step (6), curtain coating speed is preferably 1.0m/min ~ 3m/min.
Compared with prior art, the invention has the advantages that: casting slurry mid-early stage processed of the present invention adds organic composite and comprises solvent and dispersant, composition viscosity is low, dispersant can cover ceramic powder surface, according to Coulomb repulsion stable mechanism and space stability ultimate load mechanism, the agglomeration of powder can be avoided, obtain the homodisperse suspension of powder, can also as required and the boiling characteristics of different solvents, select and solvent that preparation is best.
The casting slurry middle and later periods processed of the present invention adds organic composite, and comprise solvent, organic binder bond and plasticizer, organic binder bond can increase slurry system concentration, makes it be applicable to casting technique, and plasticizer improves slurry pliability and draftability.Adopt organic composite of the present invention can prepare good stability, casting slurry that density is high.
In casting technique application process of the present invention, the organic composite of slurry divides front and back twice interpolation, adopt secondary ball milling, secondary mixed process prepares slurry, later stage adds in the mechanical milling process of organic composite, powder granule is had to the effect of lubrication and bridging, reduce the interaction between organic binder molecules chain, improve the pliability of segment, reduce the resistance of organic binder bond to pulp flow, be conducive to the reduction of viscosity.In casting technique process, by regulating the content of each composition in organic composite and changing curtain coating knife edge clearance, the thickness of green band can be controlled, the green band fracture elongation obtained be increased, can not rupture.
Detailed description of the invention
Below in conjunction with concrete preferred embodiment, the invention will be further described.
embodiment 1:
In the organic composite that the casting slurry processed of the present embodiment adds, comprise and add organic composite and later stage interpolation organic composite early stage, add organic composite early stage and comprise solvent and dispersant, later stage adds organic composite and comprises solvent, organic binder bond and plasticizer, solvent adopts the mixture of toluene and ethanol, dispersant is tributyl phosphate, and organic binder bond is polyvinyl butyral resin, and plasticizer is dibutyl phthalate.
Apply the casting technique that above-mentioned organic composite manufactures green band, specifically comprise the following steps:
(1) early stage is added organic composite in preparation: the mass ratio of etoh solvent and toluene is 68: 32, accounts for the 29wt% preparing all composition gross masses of casting slurry; Dispersant tributyl phosphate accounts for the 0.84wt% preparing all composition gross masses of casting slurry;
(2) prepare the later stage and add organic composite: the mass ratio of etoh solvent and toluene is 68:32, accounts for the 21wt% preparing all composition gross masses of casting slurry; Organic binder bond polyvinyl butyral resin accounts for the 3.6wt% of casting slurry gross mass; Plasticizer phthalic acid dibutyl ester accounts for the 3.3wt% of casting slurry gross mass, and after above-mentioned organic matter mixing, 60 DEG C of heating water baths stir until dissolve completely;
(3) aluminium oxide and borosilicate are added organic composite with early stage to mix, aluminium oxide and borosilicate glass account for the 42.26wt% of all composition gross masses, add agate ball, solvent, dispersant and glass powder successively and carry out a ball milling;
(4) later stage is added organic composite add a ball milling after dense suspension in carry out secondary ball milling;
(5) slurry after secondary ball milling is carried out froth in vacuum with vavuum pump under mechanical stirring, obtained casting slurry;
(6) adjusting casting machine knife edge clearance is 280 μm, and controlling curtain coating speed is 1.5m/min, and casting slurry is made wet base, dry at temperature 40 DEG C ~ 45 DEG C, obtained green band, green band solid content is 86.5%, intensity 2.64MPa, fracture elongation 13.34%; Thickness is about 76 μm.
embodiment 2
In the organic composite that the casting slurry processed of the present embodiment adds, comprise and add organic composite and later stage interpolation organic composite early stage, add organic composite early stage and comprise solvent and dispersant, later stage adds organic composite and comprises solvent, organic binder bond and plasticizer, solvent adopts the mixture of toluene and normal propyl alcohol, dispersant is tributyl phosphate and olein mixture, organic binder bond is polyvinyl butyral resin, and plasticizer is dibutyl phthalate, dioctyl phthalate and polyethylene glycol.
Apply the casting technique that above-mentioned organic composite manufactures green band, specifically comprise the following steps:
(1) early stage is added organic composite in preparation: solvent toluene and normal propyl alcohol mass ratio are 51:49, account for the 25.1wt% preparing all composition gross masses of casting slurry; Dispersant tributyl phosphate and olein mass ratio are 1.6:1, account for the 1.08wt% of gross mass;
(2) prepare the later stage and add organic composite: solvent toluene and normal propyl alcohol mass ratio are 51:49, account for the 22wt% of all composition gross masses; Organic binder bond polyvinyl butyral resin accounts for the 3.2wt% of gross mass; Plasticizer phthalic acid dibutyl ester, dioctyl phthalate and polyethylene glycol mass ratio are 15:3:2, account for the 4.3wt% of gross mass, after above-mentioned organic matter mixing, stir until dissolve completely under 60 DEG C of heating water baths;
(3) aluminium oxide and borosilicate are added organic composite with early stage to mix, aluminium oxide and borosilicate account for the 44.32wt% of all composition gross masses, add agate ball, solvent, dispersant and glass powder successively and carry out a ball milling;
(4) later stage is added organic composite add a ball milling after dense suspension in carry out secondary ball milling;
(5) slurry after secondary ball milling is carried out froth in vacuum with vavuum pump under mechanical stirring, obtained casting slurry.
(6) adjusting casting machine knife edge clearance is 320 μm, and controlling curtain coating speed is 1.5m/min, and casting slurry is made wet base, dry at temperature 40 DEG C ~ 45 DEG C, obtained green band, green band solid content is 83.8%, intensity 2.43MPa, fracture elongation 17.26%, thickness is about 84 μm.
embodiment 3
In the organic composite that the casting slurry processed of the present embodiment adds, comprise and add organic composite and later stage interpolation organic composite early stage, add organic composite early stage and comprise solvent and dispersant, later stage adds organic composite and comprises solvent, organic binder bond and plasticizer, solvent adopts the mixture of ethanol and butanone, dispersant is the mixture of olein and castor oil, organic binder bond is polyvinyl butyral resin, and plasticizer is dibutyl phthalate, dioctyl phthalate and polyethylene glycol.
Apply the casting technique that above-mentioned organic composite manufactures green band, specifically comprise the following steps:
(1) early stage is added organic composite in preparation: solvent adopts ethanol and butanone azeotropic system, and ethanol and butanone mass ratio are 60: 40, account for the 25.8wt% preparing all composition gross masses of casting slurry; Dispersant olein and castor oil mass ratio are 5: 1, account for the 1.36wt% of gross mass;
(2) prepare the later stage and add organic composite: ethanol and butanone mass ratio are 60: 40, account for the 21wt% of all composition gross masses; Organic binder bond polyvinyl butyral resin accounts for the 3.7wt% of gross mass; Dibutyl phthalate, dioctyl phthalate and polyethylene glycol mass ratio are 5:1:1, account for the 3.14wt% of gross mass, after above-mentioned organic matter mixing, stir until system is dissolved completely under 60 DEG C of heating water baths;
(3) aluminium oxide and borosilicate are added organic composite with early stage to mix, aluminium oxide and borosilicate account for 45% of all composition gross masses, mixture are carried out a ball milling;
(4) later stage is added organic composite add a ball milling after dense suspension in carry out secondary ball milling;
(5) slurry after secondary ball milling is carried out froth in vacuum with vavuum pump under mechanical stirring, obtained casting slurry;
(6) adjusting casting machine knife edge clearance is 300 μm, and controlling curtain coating speed is 1.5m/min, and casting slurry is made wet base, dry at temperature 40 DEG C ~ 45 DEG C, obtained green band, green band solid content is 85.8%, intensity 2.06MPa, fracture elongation 14.37%; Thickness is about 81 μm.
Claims (5)
1. a casting slurry middle and later periods processed adds organic composite, it is characterized in that, the described later stage adds organic composite and comprises solvent, organic binder bond and plasticizer, wherein said solvent is at least one in ethanol, normal propyl alcohol, n-butanol, toluene, butanone, trichloro-ethylene, described organic binder bond is polyvinyl butyral resin and/or ethyl cellulose, described plasticizer is the mixture of dibutyl phthalate, dioctyl phthalate and polyethylene glycol three kinds, and its mixing quality ratio is 3 ~ 10:1 ~ 3:1 ~ 3;
The mass ratio that the described later stage adds solvent, organic binder bond and plasticizer in organic composite is 15 ~ 35:0.5 ~ 2.5:2.5 ~ 10;
Described later stage add organic composite with add early stage organic composite with the use of;
Add organic composite described early stage and comprise solvent and dispersant, described solvent is at least one in ethanol, n-butanol, toluene, butanone, trichloro-ethylene, described dispersant is at least one in tributyl phosphate, triethanolamine, olein, castor oil, and the mass ratio adding solvent and dispersant in organic composite described early stage is 20 ~ 35:0.5 ~ 3.
2. the application of organic composite as claimed in claim 1 in casting technique, specifically comprises the following steps:
(1) early stage is added organic composite in preparation, add organic composite described early stage and comprise solvent and dispersant, described solvent is at least one in ethanol, n-butanol, toluene, butanone, trichloro-ethylene, described dispersant is at least one in tributyl phosphate, triethanolamine, olein, castor oil, and the mass ratio adding solvent and dispersant in organic composite described early stage is 20 ~ 35:0.5 ~ 3;
(2) prepare the later stage as claimed in claim 1 and add organic composite, it is stirred until dissolve completely under 40 DEG C ~ 70 DEG C condition of water bath heating;
(3) early stage of preparation in ceramic powder, inorganic adhesive phase powder and step (1) is added organic composite mix and carry out ball milling, obtain suspension;
(4) is added organic composite the later stage of preparation in step (2) to add in the suspension of step (3) and carry out secondary ball milling;
(5) the slurry agitation de-bubble will obtained after secondary ball milling, obtained casting slurry;
(6) adjust casting machine knife edge clearance, control curtain coating speed, the casting slurry of above-mentioned steps (5) is made wet base, after its drying, it is peeled off from carrier band, obtained green band.
3. application according to claim 2, it is characterized in that, in described step (5) casting slurry, the solvent that early stage adds in organic composite accounts for 20% ~ 35% of casting slurry gross mass, dispersant accounts for 0.5% ~ 3% of casting slurry gross mass, add that solvent in organic composite accounts for casting slurry gross mass 15% ~ 35%, organic binder bond accounts for casting slurry gross mass 0.5% ~ 6% later stage, plasticizer accounts for 2.5% ~ 10% of casting slurry gross mass.
4. application according to claim 2, is characterized in that, the ceramic powder in described step (3) is aluminium oxide, and inorganic adhesive is borosilicate glass mutually.
5. application according to claim 2, is characterized in that, in described step (6), casting machine knife edge clearance is 250 μm ~ 330 μm, and curtain coating speeds control is 1.0m/min ~ 3.0 m/min, and baking temperature is 40 DEG C ~ 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383797.3A CN103435358B (en) | 2013-08-29 | 2013-08-29 | Organic composition added in preparation of tape-casting slurry and application of organic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383797.3A CN103435358B (en) | 2013-08-29 | 2013-08-29 | Organic composition added in preparation of tape-casting slurry and application of organic composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103435358A CN103435358A (en) | 2013-12-11 |
| CN103435358B true CN103435358B (en) | 2015-03-25 |
Family
ID=49689108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310383797.3A Active CN103435358B (en) | 2013-08-29 | 2013-08-29 | Organic composition added in preparation of tape-casting slurry and application of organic composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103435358B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045352B (en) * | 2014-05-28 | 2015-08-05 | 镇江博威汽车科技有限公司 | A kind of dispersion agent for the preparation of zirconium white cast sheet and application thereof |
| CN104261809A (en) * | 2014-09-09 | 2015-01-07 | 登封福中特种电器元件有限公司 | Processing method of electronic ceramic tape-casting slurry |
| CN104987050A (en) * | 2015-06-18 | 2015-10-21 | 浙江长兴电子厂有限公司 | Preparation method for non-water-based high-purity nanoscale aluminum oxide ceramics |
| FR3067960B1 (en) * | 2017-06-23 | 2022-01-14 | Safran Ceram | METHOD FOR MANUFACTURING A FIBROUS PREFORM LOADED WITH PARTICLES |
| CN109485409B (en) * | 2017-09-12 | 2022-09-27 | 德州迈特新材料研究中心 | Tape casting method of sheet barium titanate ceramic material |
| CN107619285A (en) * | 2017-09-26 | 2018-01-23 | 南方科技大学 | Laminated sheet type electronic component casting slurry and preparation method thereof |
| CN110572967B (en) * | 2019-10-09 | 2021-01-01 | 河源沃图电子科技有限公司 | Production method of circuit board for severe environment |
| CN111087248A (en) * | 2019-12-23 | 2020-05-01 | 厦门华信安电子科技有限公司 | Special adhesive for MLCC and preparation method thereof |
| CN111331677A (en) * | 2020-03-30 | 2020-06-26 | 镇江锆源传感科技有限公司 | Blanking and filling method of cast membrane |
| CN114044684A (en) * | 2021-12-31 | 2022-02-15 | 西安宏星电子浆料科技股份有限公司 | LTCC (Low temperature Co-fired ceramic) green tape, slurry for preparing LTCC green tape and method |
| CN116253557A (en) * | 2023-03-14 | 2023-06-13 | 上海泽丰半导体科技有限公司 | Ceramic casting slurry, preparation method thereof and ceramic casting green tape |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203206A (en) * | 1998-07-24 | 1998-12-30 | 清华大学 | Doctor blade process for preparing ceramic base plate |
| CN1534001A (en) * | 2003-04-02 | 2004-10-06 | 珠海粤科清华电子陶瓷有限公司 | Method of preparing zirconium oxide ceramic by curtain coating method and product obtained from said method |
| CN1669984A (en) * | 2005-02-24 | 2005-09-21 | 武汉理工大学 | Preparation of textured piezoelectric ceramic using (001) oriented sheet-like SrBi4Ti4O15 as template material |
| CN101483417A (en) * | 2009-01-16 | 2009-07-15 | 华中科技大学 | Preparation of black alumina substrate for multilayered wiring |
| CN101805179A (en) * | 2010-03-04 | 2010-08-18 | 西北工业大学 | Preparation method for barium strontium titanate (BST) thick film material |
| CN103058665A (en) * | 2011-10-20 | 2013-04-24 | 中国科学院上海硅酸盐研究所 | Ceramic casting slurry and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11236266A (en) * | 1998-02-24 | 1999-08-31 | Tokai Konetsu Kogyo Co Ltd | Production of silicon carbide-base sheet |
| US7799267B2 (en) * | 2007-09-14 | 2010-09-21 | The Penn State Research Foundation | Method for manufacture of transparent ceramics |
-
2013
- 2013-08-29 CN CN201310383797.3A patent/CN103435358B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203206A (en) * | 1998-07-24 | 1998-12-30 | 清华大学 | Doctor blade process for preparing ceramic base plate |
| CN1534001A (en) * | 2003-04-02 | 2004-10-06 | 珠海粤科清华电子陶瓷有限公司 | Method of preparing zirconium oxide ceramic by curtain coating method and product obtained from said method |
| CN1669984A (en) * | 2005-02-24 | 2005-09-21 | 武汉理工大学 | Preparation of textured piezoelectric ceramic using (001) oriented sheet-like SrBi4Ti4O15 as template material |
| CN101483417A (en) * | 2009-01-16 | 2009-07-15 | 华中科技大学 | Preparation of black alumina substrate for multilayered wiring |
| CN101805179A (en) * | 2010-03-04 | 2010-08-18 | 西北工业大学 | Preparation method for barium strontium titanate (BST) thick film material |
| CN103058665A (en) * | 2011-10-20 | 2013-04-24 | 中国科学院上海硅酸盐研究所 | Ceramic casting slurry and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 低介堇青石粉体流延成型方法及工艺研究;王寒风 等;《中国硅酸盐学会2003年学术年会论文摘要集》;20031231;第220页倒数第1段 * |
| 有机添加剂对氧化铝流延浆料流变性能的影响;吴黎 等;《电子元件与材料》;20120331;第31卷(第3期);第45-48页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103435358A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103435358B (en) | Organic composition added in preparation of tape-casting slurry and application of organic composition | |
| CN101483417B (en) | Preparation of black alumina substrate for multilayered wiring | |
| CN109616321A (en) | A kind of multilayer ceramic capacitor based on intaglio plate coating printing nickel slurry and application | |
| CN102262918B (en) | Grout silver paste used in PCB and preparation method thereof | |
| JP2012022799A (en) | Conductive fine particle and metal paste for forming electrode, and electrode | |
| CN105880627B (en) | A kind of preparation method for the micro silver powder for accurately controlling specific surface area | |
| CN106946574A (en) | High-purity high-strength zirconia alumina zirconia composite ceramics and preparation method thereof | |
| CN111511489B (en) | Surface-treated silver powder and method for producing same | |
| CN109256234A (en) | A kind of high-performance conductive silver paste and preparation method thereof | |
| CN113346083A (en) | Negative electrode slurry and preparation method and application thereof | |
| CN113149662A (en) | Preparation method and application of high-thermal-conductivity silicon nitride ceramic casting film | |
| CN105601285B (en) | A kind of method that the tape casting prepares thick ceramic diaphragm | |
| CN101497132B (en) | Preparation method of metal powder non-water-based casting slurry | |
| CN102985453B (en) | Calcining resin glue and manufacture method, paste composition and inorganic sintered body | |
| CN107739196A (en) | A99 microwave hybrid integrated circuit ceramic substrates and preparation method thereof | |
| CN103881118A (en) | Preparation method of redispersible polyether sulphone micro powder | |
| CN104319043A (en) | Manufacturing method of negative-temperature-coefficient thermistor chip electrode | |
| CN106977201A (en) | High-purity high-strength high-ductility zirconia composite ceramics ultra thin plate and preparation method thereof | |
| CN114898963A (en) | Magnetic filling slurry and preparation method and application thereof | |
| CN104616721B (en) | A kind of high adhesion force conductive silver paste | |
| KR102007856B1 (en) | The manufacturing method of silver powder with improved dispersibility | |
| CN102775139B (en) | Manufacturing method of NTC (Negative Temperature Coefficient) thermo-sensitive semiconductor ceramic body material | |
| JP2016031807A (en) | Conductive paste and production method of the same | |
| CN115625341A (en) | Gold powder for LTCC (Low temperature Co-fired ceramic), preparation method and gold conductor slurry | |
| JP7249726B2 (en) | Method for producing silver powder with adjustable shrinkage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |