CN115594404A - Preparation and use method of fluidity-controllable glass slurry - Google Patents
Preparation and use method of fluidity-controllable glass slurry Download PDFInfo
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- CN115594404A CN115594404A CN202211246478.3A CN202211246478A CN115594404A CN 115594404 A CN115594404 A CN 115594404A CN 202211246478 A CN202211246478 A CN 202211246478A CN 115594404 A CN115594404 A CN 115594404A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/24—Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
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- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a preparation and application method of fluidity-controllable glass slurry, which comprises the following components in parts by weight: 40-50 parts of glass powder, 20-30 parts of conductive adhesive and 20-30 parts of organic solvent; the conductive adhesive comprises the following components in parts by weight: 60-75 parts of organic auxiliary agent, 15-20 parts of isopropanol, 4-10 parts of silver powder, 5-10 parts of vegetable oil and 4-8 parts of alcohol, wherein the preparation method of the glass slurry comprises the following steps: heating the organic solvent in water bath, keeping the temperature of the water bath at 50-70 ℃, adding the glass powder and the conductive adhesive in proportion, fully mixing the components, and stirring for 3 hours. The invention has reasonable design, effectively controls the fluidity of the glass slurry by matching with the temperature, effectively ensures the appearance control after the glass slurry is coated, ensures the coating and packaging quality of the glass slurry, does not cause the increase of the production cost and is convenient for the wide application of the glass slurry.
Description
Technical Field
The invention relates to the technical field of glass metal packaging, in particular to a preparation and application method of glass slurry with controllable fluidity.
Background
In recent years, with the rapid development of the optical communication field, the requirements of various optical modules related to communication on performance and cost are continuously increased, glass metal package is used as an important packaging technology in the optical module, the requirements on the glass metal package are higher and higher, and the requirements on the accuracy, consistency, reliability and cost control of the package are higher and higher.
In the field of glass metal packaging, it is a widely used method to distribute glass slurry to a required sealing interface by means of dispensing or screen printing, and then to package the device by degassing and sintering processes.
The existing glass powder pressing ring scheme is difficult to realize the pressing of the solder ring with the diameter of less than 2 mm, and the solder ring also has the limitation on the part of the device which needs to be filled and has an irregular or special pattern.
However, the conventional glass paste scheme is also particularly disadvantageous in that the paste needs to have certain fluidity due to the need of dispensing, the fluidity causes great difficulty in controlling the appearance of the paste in a dispensing area, the glass paste is not easily shaped, the production quality cannot be ensured particularly in mass production, and the improvement of the dispensing equipment also increases the production cost.
Disclosure of Invention
The invention aims to solve the defects that the fluidity is not easy to control, the appearance of glass slurry is poor, the production quality is poor during mass production, and dispensing equipment is not easy to improve in the prior art, and provides a fluidity-controllable glass slurry preparation and use method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation and use method of glass slurry with controllable fluidity comprises the following components in parts by weight: 40-50 parts of glass powder, 20-30 parts of conductive adhesive and 20-30 parts of organic solvent;
the conductive adhesive comprises the following components in parts by weight: 60-75 parts of organic auxiliary agent, 15-20 parts of isopropanol, 4-10 parts of silver powder, 5-10 parts of vegetable oil and 4-8 parts of alcohol.
Preferably, the organic solvent is one or more of isooctyl alcohol, diethylene glycol monobutyl ether and terpineol.
Preferably, the preparation method of the glass paste comprises the following steps: heating the organic solvent in water bath, keeping the temperature of the water bath at 50-70 ℃, adding the glass powder and the conductive adhesive in proportion, fully mixing the components, and stirring for 3 hours.
Preferably, the organic auxiliary agent is ethyl cellulose.
Preferably, the vegetable oil is soybean oil.
Preferably, the configuration and storage method of the conductive adhesive comprises the following steps: all the components of the conductive adhesive are fully mixed and stirred for 3 hours at 80 ℃, and stored in a rolling mode.
A method for using a glass paste with controllable fluidity comprises the following steps:
step (1): heating the prepared glass slurry in water bath, and keeping the temperature of the glass slurry at 60-75 ℃;
step (2): coating slurry in a dispensing manner, heating a dispensing needle tube to 70 ℃ and keeping the temperature constant, loading the heated glass slurry in the step (1) into a dispensing needle tube, and performing dispensing coating of the glass slurry on a device to be dispensed by using an automatic dispenser and the constant-temperature dispensing needle tube;
and (3): or (3) coating in a screen printing mode in the step (2), heating a scraper for screen printing, keeping the temperature at 65-75 ℃, simultaneously keeping the constant temperature state of the glass slurry in the step (1), coating the glass slurry by matching with the scraper, and coating the glass slurry on a device to be screen printed;
and (4): and (4) cooling the glass slurry coated in the step (2) or the step (3) to finish the coating process of the glass slurry.
Preferably, a cooling fin is pseudo-installed below the working surface for placing the device to be subjected to glue dispensing or the device to be subjected to silk printing in the step (1) and the step (2), and a cooling device is arranged on the cooling fin.
More preferably, the cooling device may be an air cooling device or a water cooling device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the glass slurry is prepared, so that the glass slurry has good fluidity at a slightly high temperature, and the fluidity of the glass slurry is rapidly reduced after the temperature is reduced, thereby effectively ensuring the shaping effect of the glass slurry after coating and ensuring the coating quality of the glass slurry;
2. the glass paste is coated in a dispensing or silk-screen printing mode, only the heating and cooling devices are needed to be added to the original device, the modification and upgrading cost is low, the use cost of the glass paste is low, and the glass paste is easy to popularize and use;
3. the invention further improves the sizing capability of coating by matching the cooling device, and can replace air cooling or water cooling according to the complexity of the shape of coating, thereby ensuring the effect of the glass slurry on the shape control of the slurry.
The invention has reasonable design, effectively controls the fluidity of the glass slurry by matching with the temperature, effectively ensures the appearance control after the glass slurry is coated, ensures the coating and packaging quality of the glass slurry, does not cause the increase of the production cost and is convenient for the wide application of the glass slurry.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
In this embodiment, a method for preparing a glass paste with controllable fluidity includes: the composition comprises the following components in parts by weight: 40-50 parts of glass powder, 20-30 parts of conductive adhesive and 20-30 parts of organic solvent, wherein the glass powder can be boron-bismuth-zinc low-melting-point microcrystalline glass powder so as to ensure the fluidity and the electrical property of glass slurry, improve the sealing effect of glass slurry welding and the attractiveness of a welding seam and ensure the coating property of the glass slurry.
The conductive adhesive comprises the following components in parts by weight: 60-75 parts of organic assistant, 15-20 parts of isopropanol, 4-10 parts of silver powder, 5-10 parts of vegetable oil and 4-8 parts of alcohol, wherein the silver powder is nano silver powder, so that the volume resistivity of the conductive adhesive can be reduced, and the conductive high-performance requirement is met.
In this embodiment, the organic solvent is one or more of isooctanol, diethylene glycol monobutyl ether, and terpineol, so as to ensure that the glass powder and the conductive adhesive can be fully mixed, ensure the fluidity of the glass paste, improve the wettability with the silicon-based material, and ensure the good air tightness of the glass paste welding package.
In this embodiment, the glass paste is prepared by the following steps: heating the organic solvent in a water bath, keeping the temperature of the water bath at 50-70 ℃, adding the glass powder and the conductive adhesive in proportion, fully mixing the components, stirring for 3 hours, ensuring the full mixing of the glass powder and the conductive adhesive, enabling the components of the glass slurry to be uniformly distributed, ensuring the good fluidity of the glass slurry, and improving the coating effect of the glass slurry.
In this embodiment, the organic auxiliary agent is ethyl cellulose.
In this example, the vegetable oil was soybean oil.
In this embodiment, the configuration and storage method of the conductive adhesive includes: at 80 ℃, all components of the conductive adhesive are fully mixed and stirred for 3 hours, and the conductive adhesive is stored in a rolling manner, so that the components of the conductive adhesive are uniformly distributed, the conduction performance and the flowability of the conductive adhesive are ensured, the coating effect of the glass slurry is improved, and meanwhile, the conductive adhesive can be taken at any time by matching with the rolling storage, and the storage effect of the conductive adhesive is ensured.
Example two
A method for using a glass paste with controllable fluidity comprises the following steps:
step (1): and heating the prepared glass slurry in a water bath, keeping the temperature of the glass slurry at 60-75 ℃, improving the fluidity of the glass slurry, ensuring good fluidity of the glass slurry during coating, ensuring the coating effect of the glass slurry and avoiding incomplete coating.
Step (2): coating slurry in a dispensing manner, heating a dispensing needle tube to 70 ℃ and keeping the temperature constant, loading the glass slurry heated in the step (1) into a dispensing needle tube, and performing dispensing coating of the glass slurry on a device to be dispensed by using an automatic dispenser and the constant-temperature dispensing needle tube.
Through the mode of gluing coating, can realize the demand of gluing of complicated graphical interface, also avoided simultaneously because the decline of the thick liquids outward appearance uniformity that the thick liquids mobility brought guarantees the coating effect to use this glass thick liquids to coat, need not adjust whole production flow, only need adjust thick liquids configuration and gluing equipment, the cost promotion that the adjustment brought is also very low, can not influence manufacturing cost hardly.
And (3): also can adopt the silk screen printing mode to coat in step (2), heat the scraper for the silk screen printing, keep the temperature 65 ~ 75 ℃, keep the constant temperature state of glass thick liquids in step (1) simultaneously, cooperate the scraper to coat the glass thick liquids, coat the glass thick liquids on treating the silk screen printing device, through the mode cooperation this glass thick liquids of silk screen printing, can be convenient coat the glass thick liquids as required, can adapt to comparatively complicated silk screen printing shape, cooperate this glass thick liquids simultaneously, can fix the silk screen printing shape after the cooling, the design effect after having guaranteed the silk screen printing, the silk screen printing quality has been improved.
And (4): and (4) cooling the glass slurry coated in the step (2) or the step (3) to finish the coating process of the glass slurry.
In this embodiment, be used for placing in step (1) and step (2) and wait to some glue the device or wait to treat the working face below false dress of silk screen printing device to have the fin, be equipped with cooling device on the fin, quick cooling to glass thick liquids after some glue or coating, guarantee the outward appearance uniformity of glass thick liquids coating, avoid the higher shape that influences the thick liquids of thick liquids mobility, and then influence coating quality, cooperation cooling device can be effectual stereotyped the glass thick liquids, guarantee coating quality.
In this embodiment, the cooling device can be an air cooling device or a water cooling device, and air cooling or water cooling is selected as required, so that adaptability adjustment can be conveniently performed according to the cooling speed requirement of the glass slurry.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The preparation method of the glass slurry with controllable fluidity is characterized in that the glass slurry comprises the following components in parts by weight: 40-50 parts of glass powder, 20-30 parts of conductive adhesive and 20-30 parts of organic solvent;
the conductive adhesive comprises the following components in parts by weight: 60-75 parts of organic auxiliary agent, 15-20 parts of isopropanol, 4-10 parts of silver powder, 5-10 parts of vegetable oil and 4-8 parts of alcohol.
2. The method of claim 1, wherein the organic solvent is one or more of isooctanol, diethylene glycol monobutyl ether, and terpineol.
3. The method according to claim 1, wherein the method comprises: heating the organic solvent in water bath, keeping the temperature of the water bath at 50-70 ℃, adding the glass powder and the conductive adhesive in proportion, fully mixing the components, and stirring for 3 hours.
4. The method according to claim 1, wherein the organic auxiliary agent is ethyl cellulose.
5. The method of claim 1, wherein the vegetable oil is soybean oil.
6. The method for preparing a fluidity-controllable glass paste according to claim 1, wherein the method for preparing and storing the conductive paste comprises: all the components of the conductive adhesive are fully mixed and stirred for 3 hours at 80 ℃, and stored in a rolling mode.
7. The use method of the glass slurry with controllable fluidity is characterized by comprising the following steps:
step (1): heating the prepared glass slurry in water bath, and keeping the temperature of the glass slurry at 60-75 ℃;
step (2): coating slurry in a dispensing manner, heating a dispensing needle tube to 70 ℃ and keeping the temperature constant, loading the heated glass slurry in the step (1) into a dispensing needle tube, and performing dispensing coating of the glass slurry on a device to be dispensed by using an automatic dispenser and the constant-temperature dispensing needle tube;
and (3): or (3) coating in a screen printing mode in the step (2), heating a scraper for screen printing, keeping the temperature at 65-75 ℃, simultaneously keeping the constant temperature state of the glass slurry in the step (1), coating the glass slurry by matching with the scraper, and coating the glass slurry on a device to be screen printed;
and (4): and (4) cooling the glass slurry coated in the step (2) or the step (3) to finish the coating process of the glass slurry.
8. The use method of the glass paste with controllable fluidity according to claim 7, wherein a heat sink is pseudo-installed below the working surface for placing the device to be glued or the device to be silk-screened in the step (1) and the step (2), and a cooling device is arranged on the heat sink.
9. The method of claim 8, wherein the cooling device is an air cooling device or a water cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211246478.3A CN115594404A (en) | 2022-10-12 | 2022-10-12 | Preparation and use method of fluidity-controllable glass slurry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211246478.3A CN115594404A (en) | 2022-10-12 | 2022-10-12 | Preparation and use method of fluidity-controllable glass slurry |
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| CN115594404A true CN115594404A (en) | 2023-01-13 |
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| CN202211246478.3A Pending CN115594404A (en) | 2022-10-12 | 2022-10-12 | Preparation and use method of fluidity-controllable glass slurry |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468159A (en) * | 2013-03-11 | 2013-12-25 | 苏州牛剑新材料有限公司 | Silver coated nickel powder conductive adhesive and preparation method thereof |
| KR101499141B1 (en) * | 2013-09-06 | 2015-03-11 | 동아대학교 산학협력단 | Conductive Powder, Method for Manufacturing the Same, and Conductive Paste Using the Conductive Powder |
| CN105693094A (en) * | 2016-03-24 | 2016-06-22 | 福建省南平市三金电子有限公司 | Preburning low-melting-point sealing glass sheet and preparation method thereof |
| CN114155992A (en) * | 2021-11-29 | 2022-03-08 | 航天特种材料及工艺技术研究所 | High-adhesion conductive silver paste for ceramic matrix composite and preparation method thereof |
| CN114171255A (en) * | 2021-11-16 | 2022-03-11 | 南通强生光电科技有限公司 | Composite conductive functional silver paste and preparation method thereof |
-
2022
- 2022-10-12 CN CN202211246478.3A patent/CN115594404A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468159A (en) * | 2013-03-11 | 2013-12-25 | 苏州牛剑新材料有限公司 | Silver coated nickel powder conductive adhesive and preparation method thereof |
| KR101499141B1 (en) * | 2013-09-06 | 2015-03-11 | 동아대학교 산학협력단 | Conductive Powder, Method for Manufacturing the Same, and Conductive Paste Using the Conductive Powder |
| CN105693094A (en) * | 2016-03-24 | 2016-06-22 | 福建省南平市三金电子有限公司 | Preburning low-melting-point sealing glass sheet and preparation method thereof |
| CN114171255A (en) * | 2021-11-16 | 2022-03-11 | 南通强生光电科技有限公司 | Composite conductive functional silver paste and preparation method thereof |
| CN114155992A (en) * | 2021-11-29 | 2022-03-08 | 航天特种材料及工艺技术研究所 | High-adhesion conductive silver paste for ceramic matrix composite and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郝素娥等: "《稀土改性导电陶瓷材料》", 国防工业出版社, pages: 244 - 245 * |
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