CN113972068A - Glass glaze capacitor and preparation method thereof - Google Patents
Glass glaze capacitor and preparation method thereof Download PDFInfo
- Publication number
- CN113972068A CN113972068A CN202111190286.0A CN202111190286A CN113972068A CN 113972068 A CN113972068 A CN 113972068A CN 202111190286 A CN202111190286 A CN 202111190286A CN 113972068 A CN113972068 A CN 113972068A
- Authority
- CN
- China
- Prior art keywords
- maleic anhydride
- methacrylic acid
- capacitor
- glass
- anhydride copolymer
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/003—Apparatus or processes for encapsulating capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention belongs to the technical field of capacitors, and particularly relates to a glass glaze capacitor and a preparation method thereof, wherein the glass glaze capacitor comprises a packaging medium and a sealing film layer, wherein the packaging medium is formed by mixing 50-100 parts of glass glaze powder, 1-6 parts of a binder and 40-90 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 1-3: 0.2-0.4, and copolymerizing under ultraviolet irradiation. According to the technical scheme, in the methacrylic acid-maleic anhydride copolymer prepared by ultraviolet irradiation polymerization, two carbonyls formed by ring opening of maleic anhydride in the polymerization process can chelate noble metal ions, so that the noble metal ions are bound, and the phenomenon that the noble metal ions are migrated and then punctured to damage a capacitor is prevented.
Description
Technical Field
The invention relates to the technical field of capacitors, in particular to a glass glaze capacitor and a preparation method thereof.
Background
The glass glaze capacitor is a common capacitor, mainly used for low-frequency coupling, filtering and other fields, and its medium is a sheet made up by pressing glass glaze powder, and features large dielectric coefficient of medium and small volume.
The glass glaze capacitor has the characteristics of large dielectric coefficient, small volume, small loss and the like, but with the increase of service years, the noble metal ion migration phenomenon can be generated, and further the breakdown is generated, so that the capacitor is damaged.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a glass glaze capacitor and a preparation method thereof, aiming at solving the problem that the noble metal ions in the glass glaze capacitor are migrated and then broken down to cause the damage of the capacitor.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 50-100 parts of glass glaze powder, 1-6 parts of adhesive and 40-90 parts of methacrylic acid-maleic anhydride copolymer powder.
Preferably, the material of the sealing film layer is one of nickel, aluminum, copper and cobalt.
Preferably, the photoinitiator is photoinitiator-651.
Preferably, the preparation method of the glass glaze capacitor comprises the following steps:
(1) under the condition that a photoinitiator exists, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection to obtain a finished product.
Preferably, the wavelength of the ultraviolet light in the step (1) is 340-365 nm.
Preferably, the copolymerization reaction in the step (1) is carried out under the conditions of 110 ℃ and 130 ℃ for 2-4 h.
Preferably, the vacuum drying time in the step (3) is 8-12h, and the drying temperature is 100-120 ℃.
Preferably, in the step (3), the stirring speed is 70-90r/min, and the stirring time is 20-40 min.
(III) advantageous technical effects
According to the technical scheme, in the methacrylic acid-maleic anhydride copolymer prepared by ultraviolet irradiation polymerization, the methacrylic acid-maleic anhydride copolymer is mixed in glass glaze powder, noble metal ions can participate in a solid-phase reaction on the surface of a glass glaze medium, an interface layer is formed at the contact part of the glass glaze medium and the noble metal ions, two carbonyls formed by ring opening of maleic anhydride in the polymerization process can chelate the noble metal ions, the noble metal ions are bound, the noble metal ion migration phenomenon is prevented, and further breakdown is caused, so that the capacitor is damaged.
In the technical scheme of the invention, the methacrylic acid-maleic anhydride copolymer powder is prepared by carrying out ultraviolet copolymerization on methacrylic acid, maleic acid and a photoinitiator, is easy to polymerize at low temperature, and can obtain pure methacrylic acid-maleic anhydride copolymer without initiator residues in the polymerization process.
Detailed Description
To achieve the above object, the present invention provides the following examples and comparative examples:
example 1
A glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 50 parts of glass glaze powder, 1 part of adhesive and 40 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 1: 0.2, and copolymerizing under the irradiation of ultraviolet light.
The material of the sealing film layer is aluminum, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 340nm, the copolymerization reaction condition is that the reaction lasts for 2 hours at 110 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 8h, the drying temperature is 100 ℃, the stirring speed is 70r/min, and the stirring time is 20min, so as to obtain a finished product.
Example 2
A glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 60 parts of glass glaze powder, 2 parts of adhesive and 50 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 2: 0.3, and copolymerizing under the irradiation of ultraviolet light.
The material of the sealing film layer is aluminum, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 350nm, the copolymerization reaction is carried out for 3 hours at the temperature of 120 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 10 hours, the drying temperature is 110 ℃, the stirring speed is 80r/min, and the stirring time is 30min, so as to obtain a finished product.
Example 3
A glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 70 parts of glass glaze powder, 3 parts of adhesive and 60 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 3: 0.4, and copolymerizing under the irradiation of ultraviolet light.
The material of the sealing film layer is nickel, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 365nm, the copolymerization reaction is carried out for 4 hours at the temperature of 130 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then performing vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 12 hours, the drying temperature is 120 ℃, the stirring speed is 90r/min, and the stirring time is 40min, so that a finished product is obtained.
Example 4
A glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 80 parts of glass glaze powder, 4 parts of adhesive and 70 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 2: 0.3, and copolymerizing under the irradiation of ultraviolet light.
The sealing film layer is made of copper, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 350nm, the copolymerization reaction is carried out for 3 hours at the temperature of 120 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 10 hours, the drying temperature is 110 ℃, the stirring speed is 80r/min, and the stirring time is 30min, so as to obtain a finished product.
Example 5
A glass glaze capacitor comprises a packaging medium and a packaging film layer, wherein the packaging medium is formed by mixing 90 parts of glass glaze powder, 5 parts of adhesive and 80 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 2: 0.3, and copolymerizing under the irradiation of ultraviolet light.
The material of the sealing film layer is cobalt, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 350nm, the copolymerization reaction is carried out for 3 hours at the temperature of 120 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 10 hours, the drying temperature is 110 ℃, the stirring speed is 80r/min, and the stirring time is 30min, so as to obtain a finished product.
Example 6
A glass glaze capacitor comprises a packaging medium and a sealing film layer, wherein the packaging medium is formed by mixing 100 parts of glass glaze powder, 6 parts of adhesive and 90 parts of methacrylic acid-maleic anhydride copolymer powder; the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 2: 0.3, and copolymerizing under the irradiation of ultraviolet light.
The material of the sealing film layer is aluminum, and the photoinitiator is photoinitiator-651.
In this embodiment, a method for manufacturing a glass-glazed capacitor includes the following steps:
(1) under the condition of existence of a photoinitiator, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, the wavelength of the ultraviolet light is 350nm, the copolymerization reaction is carried out for 3 hours at the temperature of 120 ℃, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection, wherein the vacuum drying time is 10 hours, the drying temperature is 110 ℃, the stirring speed is 80r/min, and the stirring time is 30min, so as to obtain a finished product.
Comparative example 1
The comparative example is a commercial high-voltage ceramic chip capacitor glass glaze capacitor.
The glass-glazed capacitors obtained in examples 1 to 6 and comparative example 1 were subjected to a performance test:
after the glass-enamel capacitors obtained in examples 1 to 6 and comparative example 1 were used for 3 months, the capacitance loss tangent values thereof were measured, and the glass-enamel capacitors obtained in examples 1 to 6 and comparative example 1 were measured using an LCR tester with a frequency of 120HZ and a gold film capacitance of 1KHZ, and the results of the measurements are shown in the following table 1:
TABLE 1
| Item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example 1 |
| Tangent value of capacitance loss angle | 0.0013 | 0.0012 | 0.0010 | 0.0009 | 0.0008 | 0.0007 | 0.0015 |
As can be seen from examples 1 to 6 and comparative example 1 of Table 1 above, the glass enamel capacitor prepared according to the present invention has a smaller capacitance loss tangent value after chelation of the methacrylic acid-maleic anhydride copolymer in the glass enamel medium with respect to the metal particles than comparative example 1, indicating that the capacitor prepared according to the present invention has better performance.
In order to evaluate the specific capacitance of the glass-enamel capacitors prepared according to the present invention, the glass-enamel capacitors of examples 1 to 6 and comparative example 1 were subjected to cyclic voltammetry at a current of 5A, and the measurement results are shown in table 2:
TABLE 2
| Item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example 1 |
| Specific capacitance (F/g) | 203.4 | 203.2 | 202.7 | 202.6 | 202.3 | 201.6 | 188.5 |
As can be seen from examples 1 to 6 and comparative example 1 of table 2 above, a glass-enamel capacitor prepared by the present invention has a better specific capacitance at the same current than comparative example 1 by providing a plurality of layers of glass-enamel dielectric layers.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The glass glaze capacitor is characterized by comprising a packaging medium and a sealing film layer, wherein the packaging medium is formed by mixing 50-100 parts of glass glaze powder, 1-6 parts of adhesive and 40-90 parts of methacrylic acid-maleic anhydride copolymer powder;
the methacrylic acid-maleic anhydride copolymer powder is prepared by mixing methacrylic acid, maleic anhydride and a photoinitiator in a mass ratio of 1: 1-3: 0.2-0.4, and copolymerizing under ultraviolet irradiation.
2. A glass-glazed capacitor as claimed in claim 1, wherein: the material of the sealing film layer is one of nickel, aluminum, copper and cobalt.
3. A glass-glazed capacitor as claimed in claim 1, wherein: the photoinitiator is photoinitiator-651.
4. A method of manufacturing a glass-glazed capacitor as claimed in any one of claims 1 to 3, wherein: the method comprises the following steps:
(1) under the condition that a photoinitiator exists, methacrylic acid and maleic anhydride are subjected to copolymerization reaction under the irradiation of ultraviolet light, and methacrylic acid-maleic anhydride copolymer powder is obtained after the copolymerization reaction is finished and is subjected to centrifugation and drying;
(2) mixing and stirring the obtained methacrylic acid-maleic anhydride copolymer powder and glass glaze powder to obtain a packaging medium;
(3) adding the methacrylic acid-maleic anhydride copolymer powder obtained in the step (1), the packaging medium obtained in the step (2) and the adhesive into a stirring kettle for stirring, obtaining slurry after stirring, coating the slurry on a sealing film layer, and then carrying out vacuum drying, rolling, cutting, laminating, shell filling, sealing and liquid injection to obtain a finished product.
5. A method of manufacturing a glass-glazed capacitor as claimed in claim 4, wherein: the wavelength of the ultraviolet light in the step (1) is 340-365 nm.
6. A method of manufacturing a glass-glazed capacitor as claimed in claim 4, wherein: the copolymerization reaction condition in the step (1) is 110-130 ℃ for 2-4 h.
7. A method of manufacturing a glass-glazed capacitor as claimed in claim 4, wherein: the vacuum drying time in the step (3) is 8-12h, and the drying temperature is 100-120 ℃.
8. A method of manufacturing a glass-glazed capacitor as claimed in claim 4, wherein: in the step (3), the stirring speed is 70-90r/min, and the stirring time is 20-40 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190286.0A CN113972068B (en) | 2021-10-13 | 2021-10-13 | Glass glaze capacitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190286.0A CN113972068B (en) | 2021-10-13 | 2021-10-13 | Glass glaze capacitor and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113972068A true CN113972068A (en) | 2022-01-25 |
| CN113972068B CN113972068B (en) | 2023-08-11 |
Family
ID=79587476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111190286.0A Active CN113972068B (en) | 2021-10-13 | 2021-10-13 | Glass glaze capacitor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113972068B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170839A (en) * | 1981-04-15 | 1982-10-21 | Matsushita Electric Works Ltd | Glaze composition |
| CN1499545A (en) * | 2002-10-30 | 2004-05-26 | ������������ʽ���� | Method for making raw dielectric ceramic powder, dielectric ceramic and monolithic ceramic capacitor |
| US20040222412A1 (en) * | 2003-05-08 | 2004-11-11 | 3M Innovative Properties Company | Organic polymers, electronic devices, and methods |
| CN1847183A (en) * | 2005-04-11 | 2006-10-18 | 三星电机株式会社 | Glass frit for dielectrics, multilayer ceramic capacitor, and method for manufacturing the same |
| US20080218940A1 (en) * | 2007-03-05 | 2008-09-11 | Northrop Grumman Systems Corporation | High dielectric capacitor materials and method of their production |
| US20110255210A1 (en) * | 2008-12-22 | 2011-10-20 | Daikin Industries, Ltd. | Film for film capacitor and film capacitor |
| CN105036557A (en) * | 2015-07-29 | 2015-11-11 | 无锡隆傲电子有限公司 | Ceramic glass glaze slurry and ceramic capacitor manufactured by using same |
| JP2015231924A (en) * | 2014-06-10 | 2015-12-24 | 日油株式会社 | Slurry composition for manufacturing laminate ceramic capacitor and ceramic green sheet |
| CN111269448A (en) * | 2020-03-20 | 2020-06-12 | 清华大学 | Dielectric film, preparation method thereof and film capacitor |
| CN111668024A (en) * | 2020-06-05 | 2020-09-15 | 国家电网有限公司 | Capacitor using modified polypropylene film medium |
| CN113488342A (en) * | 2021-07-02 | 2021-10-08 | 鹏盛国能(深圳)新能源集团有限公司 | Solid electrolyte material for tantalum capacitor lithium battery and preparation method thereof |
-
2021
- 2021-10-13 CN CN202111190286.0A patent/CN113972068B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170839A (en) * | 1981-04-15 | 1982-10-21 | Matsushita Electric Works Ltd | Glaze composition |
| CN1499545A (en) * | 2002-10-30 | 2004-05-26 | ������������ʽ���� | Method for making raw dielectric ceramic powder, dielectric ceramic and monolithic ceramic capacitor |
| US20040222412A1 (en) * | 2003-05-08 | 2004-11-11 | 3M Innovative Properties Company | Organic polymers, electronic devices, and methods |
| CN1847183A (en) * | 2005-04-11 | 2006-10-18 | 三星电机株式会社 | Glass frit for dielectrics, multilayer ceramic capacitor, and method for manufacturing the same |
| US20080218940A1 (en) * | 2007-03-05 | 2008-09-11 | Northrop Grumman Systems Corporation | High dielectric capacitor materials and method of their production |
| US20110255210A1 (en) * | 2008-12-22 | 2011-10-20 | Daikin Industries, Ltd. | Film for film capacitor and film capacitor |
| JP2015231924A (en) * | 2014-06-10 | 2015-12-24 | 日油株式会社 | Slurry composition for manufacturing laminate ceramic capacitor and ceramic green sheet |
| CN105036557A (en) * | 2015-07-29 | 2015-11-11 | 无锡隆傲电子有限公司 | Ceramic glass glaze slurry and ceramic capacitor manufactured by using same |
| CN111269448A (en) * | 2020-03-20 | 2020-06-12 | 清华大学 | Dielectric film, preparation method thereof and film capacitor |
| CN111668024A (en) * | 2020-06-05 | 2020-09-15 | 国家电网有限公司 | Capacitor using modified polypropylene film medium |
| CN113488342A (en) * | 2021-07-02 | 2021-10-08 | 鹏盛国能(深圳)新能源集团有限公司 | Solid electrolyte material for tantalum capacitor lithium battery and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113972068B (en) | 2023-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102203917B (en) | For the cyclic olefin compositions of temporary wafer bonding | |
| CN106887290B (en) | The preparation method of magnetic slurry, preparation method and magnetic sheet | |
| CN104036876B (en) | A kind of preparation method of high temperature copper electric slurry | |
| CN113972068B (en) | Glass glaze capacitor and preparation method thereof | |
| CN115368607B (en) | Polyether sulfone-based composite dielectric film material and preparation method thereof | |
| CN111777898B (en) | Preparation method of high-solid acrylic resin and coating thereof | |
| CN111303362A (en) | Phenolic resin, preparation method thereof and photoresist | |
| US6375868B1 (en) | Method for manufacturing paste for electroconductive thick film, paste for electroconductive thick film and laminated ceramic electronic part | |
| CN107689298A (en) | The preparation method and single layer of chips capacitor of a kind of single layer of chips capacitor | |
| CN114121335B (en) | Low-contact-resistance type resistance paste | |
| CN107840966B (en) | Pentaerythritol triacrylate-dopamine-pyrrole polymer and application thereof | |
| CN105038413B (en) | A kind of transparent pigment slurry and preparation method thereof | |
| CN113571230B (en) | Conductive silver paste, electrode structure and laminated common mode filter | |
| CN114023659A (en) | Preparation method of new chip for replacing GPP process | |
| CN114023658A (en) | Preparation method of new chip for replacing GPP process | |
| CN114149768B (en) | Temporary bonding glue for wafer processing, preparation method and application thereof | |
| CN111100562A (en) | Dual-curing anisotropic conductive adhesive film and preparation method thereof | |
| CN115651554B (en) | Battery separator tape with dissolvable adhesive layer and preparation method thereof | |
| CN114527169B (en) | Method for testing dielectric property of ceramic material and application thereof | |
| CN115954434B (en) | Battery pole piece, preparation method and all-solid-state battery | |
| CN115655989A (en) | Method for detecting metal content of paraffin oil | |
| CN112935242B (en) | Powder adhesive for powder metallurgy and preparation method thereof | |
| CN111363401B (en) | Slurry for semiconductor device glass passivation layer and preparation method thereof | |
| CN113223937B (en) | Method for detecting volatile formed by baking BARC hot plate | |
| CN114361309B (en) | Four inch PSS substrate output improving scheme |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230705 Address after: 646000 No.9 Chuangxin Road, Jiangyang District, Luzhou City, Sichuan Province (self declaration) Applicant after: Sichuan shengrongda capacitive resistance Technology Co.,Ltd. Address before: 518000 room 1511, block B, phase II, Sunshine Technology Innovation Center, Nanshan community, Nanshan street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Pengsheng Guoneng (Shenzhen) New Energy Group Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |