CN101962265A - Glass composition, and preparation method and application thereof - Google Patents
Glass composition, and preparation method and application thereof Download PDFInfo
- Publication number
- CN101962265A CN101962265A CN2009101089685A CN200910108968A CN101962265A CN 101962265 A CN101962265 A CN 101962265A CN 2009101089685 A CN2009101089685 A CN 2009101089685A CN 200910108968 A CN200910108968 A CN 200910108968A CN 101962265 A CN101962265 A CN 101962265A
- Authority
- CN
- China
- Prior art keywords
- glass composition
- glass
- preparation
- zno
- bao
- 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.)
- Pending
Links
Landscapes
- Glass Compositions (AREA)
Abstract
The invention discloses a glass composition, a preparation method thereof and application thereof. Based on the total weight of the glass composition, the glass composition comprises 20 to 70 weight percent of BaO, 10 to 50 weight percent of B2O3 and 10 to 50 weight percent of ZnO. The preparation method of the glass composition comprises the following steps of: melting under the condition of heating, casting, annealing and moulding the raw materials of the glass composition. The glass composition provided by the invention has the characteristics of low primary softening point and good dielectric property.
Description
Technical field
The present invention relates to the application of a kind of glass composition and preparation method thereof and this glass composition.
Technical background
In recent years, plasma panel (Plasma Display Panel is called for short PDP) is that a kind of technique of display of geseous discharge of utilizing comes into one's own day by day, and its principle of work is very similar to fluorescent lamp.It has adopted plasmatron as luminous element, corresponding pixel of each plasmatron on the screen, and as substrate, substrate keeps at a certain distance away screen with glass, forms discharge space one by one through the resistance to air loss sealing-in all around.Charge into mixed inert gas such as neon, xenon in the discharge space as the work medium.Scribble the metal conductive oxide film and make exciting electrode on the medial surface of two glass substrates, apply one deck insulating medium layer coated electrode on the glass substrate in front again, this insulation layer forms for 3-4 time by silk screen printing.This insulating material that is used for PDP has some following performance requriementss: high-clarity (being higher than 80%), and high voltage breakdown (during 20 μ m more than the 9kv), the sintering temperature and low between 550-580 ℃ is lower than 15 specific inductivity, and linear expansivity is in 8-9 * 10
-6/ ℃ between be glass substrate with coupling sodium calcium silicon.In addition, also require its fusing point lower, therefore need to use low melting glass than glass substrate.
The low melting glass of current use, for example substrate applies with in the low melting glass, and is mostly leaded.Plumbous component can significantly reduce the fusing point of glass, but can produce very big harm to human body and environment simultaneously, and the unleaded of electronic material is trend of the times.
Disclosed a kind of glass composition with low-k that is used for high frequency circuit as disclosing the present invention in the prior art, it contains SiO
2, and contain B
2O
3And K
2At least a among the O, the ratio of each component is positioned at SiO
2, B
2O
3And K
2In the O three-part system constitutional diagram in A point (65,35,0), B point (65,20,15), C point (85, O, 15) and D point (85,15,0) the line institute area surrounded.Described glass composition can be mixed with a small amount of finings, to reduce fusing point and glass softening point.As insulating material, it is particularly suitable for the high frequency circuit in small-sized high velocity electron device and the equipment.The glass composition that the prior art is prepared has than low-k, but the initial melt temperature of this glass composition is higher.
Summary of the invention
Technical problem to be solved by this invention is to obtain to have simultaneously low softening temperature and than the glass composition of low-k.
The invention provides a kind of glass composition, comprise BaO, B
2O
3, ZnO, be benchmark with the glass composition gross weight, BaO accounts for 20-70wt%, B
2O
3Account for 10-50wt%; ZnO accounts for 10-50wt%.
The present invention also provides a kind of preparation method of glass composition, and this method comprises that this method is included under the heating condition, and the glass combination raw material is carried out fusion, and the moulding of annealing as required, and this glass composition comprises BaO, B
2O
3, ZnO, be benchmark with the glass composition gross weight, BaO accounts for 20-70wt%, B
2O
3Account for 10-50wt%, ZnO accounts for 10-50wt%.
The present invention also provides a kind of dielectric material, comprises ethyl cellulose and glass composition provided by the present invention.
The invention provides a kind of seal glass, the glass composition that contains among the present invention in the described seal glass to be provided.
The invention provides a kind of ceramic post sintering auxiliary agent, contain glass composition provided by the present invention in the described ceramic post sintering auxiliary agent.
Glass composition provided by the present invention has lower softening temperature and specific inductivity simultaneously, has suitable thermal expansivity simultaneously.
Embodiment
The invention provides the low softening temperature glass composition of a kind of low Jie, comprise BaO, B
2O
3, ZnO, be benchmark with the glass gross weight, BaO accounts for 20-70wt%, B
2O
3Account for 10-50wt%; ZnO accounts for 10-50wt%.
Wherein, B
2O
3Being the network organizer of glass, being built into the basic network topology of glass, make the easy fusion of glass, suppress its thermal expansivity and too rise, and increased the flowability of glass when sintering, is benchmark with the gross weight of glass composition, B
2O
3Content is 10-50wt%, B in the preferred case
2O
3Content be 18-48wt%.
BaO its role is to reduce the softening temperature of glass, plays fluxing action.The contriver found through experiments, the content of BaO can not add too much, otherwise glass obvious crystallization can occur and influence its performance, the addition of BaO is 20-70wt% in the present invention, the addition of BaO is 33-67wt% in the preferred case, BaO of the present invention can become the BaO of the production of chemical industry company limited by commercially available as Shanghai nation.
ZnO can reduce glass softening point, adjusts its thermal expansivity, can have octahedral coordination [ZnO in glass
6] and tetrahedron [ZnO
4] two kinds of coordination situations, the former glass structure densification, latter's texture ratio is more loose, and the addition of ZnO can not be too many, too much is the tendency towards devitrification that can increase glass when ZnO content, the contriver finds by a large amount of tests, the content of ZnO is controlled in the reasonable scope, can effectively be regulated the thermal expansivity of glass, the content of ZnO is 10-50wt% in the present invention, in the preferred case, the content of ZnO is 18-44wt%.
Can also comprise TiO in the above-mentioned glass composition
2, ZrO
2, La
2O
3In one or more.TiO wherein
2And ZrO
2Be the nucleus agent of glass micritization, La
2O
3Can reduce the softening temperature and the melt temperature of this system glass.In the present invention, looking concrete the purposes of this glass, can add relevant nucleus agent, is benchmark with the glass composition gross weight, TiO
2Addition be 1-3wt%, ZrO
2Addition be 0-5wt%, La
2O
3Addition be 0-6wt%.
The invention provides a kind of preparation method of glass composition, this method is included under the heating condition, and the glass combination raw material is carried out fusion, cast, annealing moulding, and this glass composition comprises BaO, B
2O
3, ZnO, be benchmark with the glass composition gross weight, BaO accounts for 20-70wt%, B
2O
3Account for 10-50wt%, ZnO accounts for 10-50wt%.
In the process of preparation glass composition, at first take by weighing BaO, B according to weight percent
2O
3, ZnO, and add TiO according to application requiring
2, ZrO
2, La
2O
3In one or more.Heating and melting then, the fused process is to carry out in platinum or quartz crucible in aforesaid method, wherein, and 1150-1300 ℃ of fused temperature, the fusion time is 1-3h, with the glass metal cast molding, 450 ℃ of annealing is 24 hours in lehr, obtains sample.
Annealing process is meant, sample is kept the enough time in certain temperature, then with a kind of thermal treatment process of the slow refrigerative of Reasonable Speed.Annealing is divided into many types, and the annealing process that is adopted among the present invention is a homogenizing annealing, also claims diffusion annealing.In this method glass pieces is heated to a certain comparatively high temps below the softening temperature of this glass composition, long-time insulation slowly cools down then.Homogenizing annealing is the element generation solid-state diffusion that makes in the composition, alleviates uneven chemical components, mainly is the uneven chemical components (grain segregation or title dendritic segregation) that alleviates in the crystal particle scale.So the homogenizing annealing temperature is so high, be in order to accelerate each Elements Diffusion in the composition, to shorten soaking time as far as possible.Improved glass composition plasticity and toughness through homo genizing annelaing, made the chemical ingredients homogenizing, removed unrelieved stress, the homogenizing annealing temperature that is adopted among the present invention is 450 degrees centigrade, and annealing time is 12-24h.
The present invention is except providing glass composition and preparation method thereof, the application of this glass composition also is provided, one of application of glass composition provided by the present invention is can be as the dielectric coating on the plasma panel glass substrate, general used for plasma display screen to sodium calcium silicon be that the coefficient of expansion of glass is in 7-10 * 10
-6/ ℃ between; for plasma panel glass is protected; need apply one deck dielectric coating at the plasma panel glass surface; and have good sticking power between dielectric coating and the display screen glass in order to guarantee; it is close with the thermal expansivity of display screen glass to require this dielectric coating thermal expansivity to need, and the coefficient of expansion of the glass composition among the present invention is 7-10 * 10
-6/ ℃, same with display screen with glassy phase, can guarantee that therefore dielectric and display screen with having good bonding force between the glass, also meet the requirement of display screen simultaneously on key indexs such as transmittance, specific inductivity.
It is that the filler that adds glass composition provided by the present invention and other adjusting coefficients of expansion is made seal glass that the another one of glass composition provided by the invention is used.This seal glass can be used for glass and glass, glass and pottery, and glass and metal, the sealing-in between metal and the metal, from the above mentioned, the coefficient of expansion of this kind glass is in 7-10 * 10
-6/ ℃ between, according to the needs of sealing-in matrix, can add small amount of filler therein and regulate the seal glass coefficient of expansion, described small amount of filler comprises one or more in beta-eucryptite, trichroite, zircon and the zinc silicate.
Three of the application of glass composition provided by the present invention is to be used as microwave-medium ceramics low-temperature sintering auxiliary agent.After adding low softening point glass was done sintering aid, in the ceramic post sintering process, auxiliary agent can provide liquid phase in relatively low temperature fusion, thereby realizes the liquid phase reactive sintering of pottery, reduces its sintering temperature, realizes the low-temperature sintering of microwave-medium ceramics.The multilevel integration technology is that nationality is realized by the multilayer sheet type components and parts and develop rapidly now, the multilayer sheet type microwave component needs metal electrodes such as the silver, copper of microwave dielectric material and high conductivity to burn altogether, the fusing point of silver and copper is all lower, therefore could be low temperature co-fired with it after the low-temperature sintering of needs realization microwave-medium ceramics.
The sample of founding gained is measured its relative permittivity with Agilent E8363A vector network analyzer, NETZSCH STA 449C differential thermal analyzer has been measured glass transformation temperature, measures its linear expansivity and expansion softening temperature with NETZSCH DIL402C thermal dilatometer.The relative permittivity of glass is between 12-18, and the transition temperature of glass is between 450-600 ℃, and the thermal linear expansion coefficient in 25-300 ℃ of temperature range is 7-10 * 10
-6/ ℃, illustrate that glass composition provided by the present invention has the characteristic of low transition temperature and low-k.
Further specify with concrete embodiment below:
Embodiment 1
Present embodiment is used to illustrate glass composition of the present invention and preparation method thereof.
Weight with glass composition is benchmark, with the H of 50g
3BO
3, 59g BaCO3, the ZnO of 24g puts into mortar and mixes, and obtains the glass composition raw mix.Put into platinum crucible, the crucible that mixture will be housed is then put under 1250 ℃ of conditions of glass melting stove and is heated 1h, obtain the glass composition molten mass, pour in the mould part of glass composition molten mass under room temperature casting, to be cooled to room temperature, the glass composition workpiece that cast is obtained is put into the annealing furnace thermal treatment of annealing, the processing condition of annealing process: be to be incubated 24h under 450 degrees centigrade the condition in annealing temperature, take out then, finally obtain sample T1.
Embodiment 2
Present embodiment is used to illustrate glass composition of the present invention and preparation method thereof.
Weight with glass composition is benchmark, will provide the H of 50g
3BO
3, 63g BaCO
3, the ZnO of 23g puts into mortar and mixes, and obtains the glass composition raw mix.Put into platinum crucible, the crucible that mixture will be housed is then put under 1250 ℃ of conditions of glass melting stove and is heated 1h, obtain the glass composition molten mass, pour in the mould part of glass composition molten mass under room temperature casting, to be cooled to room temperature, the glass composition workpiece that cast is obtained is put into the annealing furnace thermal treatment of annealing, the processing condition of annealing process: be to be incubated 24h under 450 degrees centigrade the condition in annealing temperature, finally obtain sample T2.
Embodiment 3
Present embodiment is used to illustrate glass composition of the present invention and preparation method thereof.
Weight with glass composition is benchmark, with the H of 62g
3BO
3, 45g BaCO
3, hand mix evenly obtains the glass composition raw mix in the ZnO mortar of 23g.Put into platinum crucible, the crucible that mixture will be housed is then put under 1250 ℃ of conditions of glass melting stove and is heated 1h, obtain the glass composition molten mass, obtain the glass composition molten mass, pour in the mould part of glass composition molten mass under room temperature casting, to be cooled to room temperature, the glass composition workpiece that cast is obtained is put into the annealing furnace thermal treatment of annealing, the processing condition of annealing process: be to be incubated 24h under 450 degrees centigrade the condition in annealing temperature, take out then, finally obtain sample T3.
Embodiment 4
Present embodiment is used to illustrate glass composition of the present invention and preparation method thereof.
Weight with glass composition is benchmark, with the H of 56g
3BO
3, 44g BaCO
3, hand mix evenly obtains the glass composition raw mix in the ZnO mortar of 24g.Put into platinum crucible, the crucible that mixture will be housed is then put under 1250 ℃ of conditions of glass melting stove and is heated 1h, obtain the glass composition molten mass, obtain the glass composition molten mass, pour in the mould part of glass composition molten mass under room temperature casting, to be cooled to room temperature, the glass composition workpiece that cast is obtained is put into the annealing furnace thermal treatment of annealing, the processing condition of annealing process: be to be incubated 24h under 450 degrees centigrade the condition in annealing temperature, take out then, finally obtain sample T4.
Embodiment 5
Present embodiment is used for illustrating glass composition provided by the present invention and preparation method thereof, and the implementation method that is adopted in the present embodiment is identical with preparation method among the embodiment 1, is not both, and also comprises the TiO of 4g in the present embodiment
2, finally obtain sample T5.
Embodiment 6
Present embodiment is used for illustrating glass composition provided by the present invention, and preparation method thereof, the preparation method who is adopted among the preparation method who is adopted in the present embodiment and the embodiment 1 is identical, and that different is the La that also comprises 17g in the present embodiment
2O
3, finally obtain glass combination matter sample T6.
Embodiment 7
Present embodiment is used for illustrating glass composition provided by the present invention, and preparation method thereof, the preparation method who is adopted among the preparation method who is adopted in the present embodiment and the embodiment 1 is identical, and that different is the ZrO that also comprises 11g in the present embodiment
2, finally obtain glass combination matter sample T7.
Comparative Examples 1
Present embodiment is used for contrasting with the glass composition of contrast patent.
Weight with glass composition is benchmark, with the B of 44g
2O
3, 12g SiO
2, 26g ZnO and 13gK
2Hand mix evenly obtains the glass composition raw mix in the O mortar.Put into platinum crucible, the crucible that mixture will be housed is then put under 1250 ℃ of conditions and is heated 1h, obtain the glass composition molten mass, obtain the glass composition molten mass, pour in the mould this glass composition molten mass at room temperature casting, to be cooled to room temperature, the glass composition workpiece that cast is obtained is put into the annealing furnace thermal treatment of annealing, the processing condition of annealing process: be to be incubated 24h under 450 degrees centigrade the condition in annealing temperature, take out then, finally obtain sample CT1.
Embodiment 8-14
Present embodiment is used for every performance of glass combination matter sample T1-T7 of test implementation example 1-7 preparation, comprising:
1) specific inductivity test
According to standard No. is the testing standard of GB11310-1989, will be processed into that cylindric (sample of Φ 15 * 8mm) is put into Agilent E8363A vector network analyzer, measures its relative permittivity, and test result sees Table 1.
2) transition temperature test
According to standard No. is the testing standard of GB/T 7962.16-1987, and powdered samples is put into NETZSCH STA 449C differential thermal analyzer, measures the glass transformation temperature of each sample, and test result sees Table 1.
3) coefficient of expansion test
According to standard No. is the testing standard of GB/T 7962.16-1987, and the sample that will be of a size of 25 * 5 * 5mm is put into NETZSCH DIL402C thermal dilatometer and measured its linear expansivity, and test result sees Table 1.
Table 1
Sequence number | Relative permittivity | Glass transformation temperature (℃) | Thermal expansivity (℃ -1) |
T1 | 14.0 | 507 | 9.2×10 -6 |
T2 | 13.6 | 505 | 8.5×10 -6 |
T3 | 11.9 | 525 | 7.9×10 -6 |
T4 | 12.5 | 520 | 8.0×10 -6 |
T5 | 14.8 | 505 | 9.7×10 -6 |
T6 | 13.7 | 502 | 9.0×10 -6 |
T7 | 14.3 | 510 | 10.0×10 -6 |
CT1 | 6.3 | 581 | 6.7×10 -6 |
As can be seen from Table 1, the sample that is provided among the present invention, specific inductivity is greater than 12.5, the specific inductivity 6.3 of prepared sample CT1 in the Comparative Examples, it is generally acknowledged that in industry specific inductivity is being low dielectric below 15, so glass composition provided by the present invention belongs to the low dielectric glass composition, the initial melt temperature of product provided by the present invention is up to 520 ℃ simultaneously, minimum is 502 ℃, specific inductivity far below the sample CT1 that is provided in the Comparative Examples, and the thermal expansivity of sample provided by the present invention, all in 7-10 * 10
-6In/℃ the scope, this shows that the present invention can provide a kind of and have low initial melt temperature and low-k simultaneously, and have the glass composition of suitable thermal expansivity simultaneously.
Claims (15)
1. a glass composition comprises BaO, B
2O
3, ZnO, be benchmark with the glass composition gross weight, BaO accounts for 20-70wt%, B
2O
3Account for 10-50wt%, ZnO accounts for 10-50wt%.
2. glass composition according to claim 1 is a benchmark with the glass composition gross weight wherein, and BaO accounts for 33-67wt%, B
2O
3Account for 18-48wt%, ZnO accounts for 18-44wt%.
3. according to the glass composition described in claim 1 or 2, wherein this glass composition also comprises TiO
2, ZrO
2, La
2O
3In one or more.
4. glass composition according to claim 3, wherein the gross weight with glass composition is a benchmark, TiO
2Addition be 1-3wt%, ZrO
2Addition be 0-5wt%, La
2O
3Addition be 0-6wt%.
5. glass composition according to claim 1, the thermal linear expansion coefficient of this glass composition when 25-300 ℃ of temperature is 7-10 * 10
-6/ ℃.
6. glass composition according to claim 1, the specific inductivity of said composition are 12-18.
7. glass composition according to claim 1, the softening point temperature of this glass composition are 450-600 ℃.
8. the preparation method of a glass composition, this method is included under the heating condition, and the glass combination raw material is carried out fusion, cast and quenching or annealing, it is characterized in that this glass composition comprises BaO, B
2O
3, ZnO, be benchmark with the glass composition gross weight, BaO accounts for 33-67wt%, B
2O
3Account for 18-48wt%; ZnO accounts for 18-44wt%.
9. the preparation method of glass composition according to claim 8, wherein the fused temperature is 1150-1300 ℃, the fused time is 1-3h.
10. the preparation method of glass composition according to claim 8, said composition also can comprise TiO
2, ZrO
2, La
2O
3In one or more.
11. the preparation method of glass composition according to claim 10, wherein the gross weight with glass composition is a benchmark, TiO
2Addition be 1-3wt%, ZrO
2Addition be 0-5wt%, La
2O
3Addition be 0-6wt%.
12. the preparation method of glass composition according to claim 8, wherein said annealing temperature are 450 ℃, the time is 12-24h.
13. a dielectric material comprises ethyl cellulose and as any described glass composition of claim 1-7.
14. a seal glass is characterized in that, contains any described glass composition of claim 1-7 in the described seal glass.
15. a ceramic post sintering auxiliary agent is characterized in that, contains any described glass composition of claim 1-7 in the described ceramic post sintering auxiliary agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101089685A CN101962265A (en) | 2009-07-22 | 2009-07-22 | Glass composition, and preparation method and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101089685A CN101962265A (en) | 2009-07-22 | 2009-07-22 | Glass composition, and preparation method and application thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101962265A true CN101962265A (en) | 2011-02-02 |
Family
ID=43515356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101089685A Pending CN101962265A (en) | 2009-07-22 | 2009-07-22 | Glass composition, and preparation method and application thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101962265A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693966A (en) * | 2013-12-13 | 2014-04-02 | 云南云天化股份有限公司 | Low temperature co-fired ceramic material and preparation method thereof |
CN104193349A (en) * | 2014-08-26 | 2014-12-10 | 东莞市戍普电子科技有限公司 | Glass powder applicable to NPO ceramic body as well as preparation method and application of glass powder |
CN112125527A (en) * | 2020-09-28 | 2020-12-25 | 武汉理工大学 | High-thermal-expansion glass powder for copper slurry and preparation method and application thereof |
CN112830680A (en) * | 2019-11-22 | 2021-05-25 | 华北理工大学 | Heat-insulating glass glaze and preparation method thereof |
-
2009
- 2009-07-22 CN CN2009101089685A patent/CN101962265A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693966A (en) * | 2013-12-13 | 2014-04-02 | 云南云天化股份有限公司 | Low temperature co-fired ceramic material and preparation method thereof |
CN103693966B (en) * | 2013-12-13 | 2016-02-17 | 云南云天化股份有限公司 | A kind of low-temperature co-burning ceramic material and preparation method thereof |
CN104193349A (en) * | 2014-08-26 | 2014-12-10 | 东莞市戍普电子科技有限公司 | Glass powder applicable to NPO ceramic body as well as preparation method and application of glass powder |
CN112830680A (en) * | 2019-11-22 | 2021-05-25 | 华北理工大学 | Heat-insulating glass glaze and preparation method thereof |
CN112125527A (en) * | 2020-09-28 | 2020-12-25 | 武汉理工大学 | High-thermal-expansion glass powder for copper slurry and preparation method and application thereof |
CN112125527B (en) * | 2020-09-28 | 2022-05-03 | 武汉理工大学 | High-thermal-expansion glass powder for copper slurry and preparation method and application thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2738036B2 (en) | Glass composition for substrates | |
CN101723589B (en) | Lead-free glass powder with low melting point for sealing PDP and preparation method thereof | |
JP4972954B2 (en) | Bismuth-based glass composition and bismuth-based sealing material | |
CN104774005B (en) | Low-temperature sintered lead-free microwave dielectric ceramic and preparation method thereof | |
CN101066839B (en) | No-lead glass powder for electrode coating and its preparation process | |
CN101186433A (en) | Display apparatus | |
CN109721340A (en) | A kind of high intensity low-loss LTCC material and preparation method thereof | |
JP5083706B2 (en) | Bismuth-based glass composition and bismuth-based sealing material | |
CN101549957A (en) | Bi*O*-B*O* series lead-free glass powder for electronic slurry and preparation method thereof | |
JPH11180728A (en) | Substrate glass composition for display device | |
Wang et al. | Synthesis and characterization of low CTE value La2O3-B2O3-CaO-P2O5 glass/cordierite composites for LTCC application | |
CN101962265A (en) | Glass composition, and preparation method and application thereof | |
CN102180653A (en) | Preparation method for high-density indium tin oxide target material | |
JP3741526B2 (en) | Substrate glass for display devices | |
CN101376562B (en) | Dielectric layer lead-less glasses material for plasma display screen | |
CN114590999B (en) | Low-melting-point lead-free glass powder and preparation method thereof | |
JPS62278145A (en) | Sintered material of glass ceramic | |
CN102060440B (en) | High-pressure-resistant sealing microcrystalline glass and use thereof | |
KR20040080522A (en) | Development of pb free frit in silver paste for AC-PDP(plasma display panel)electrode | |
JP2024516065A (en) | Low dielectric constant sealing glass powder for small RF glass insulators | |
KR101030880B1 (en) | Glass ceramic material for plasma display | |
CN102153281B (en) | Piezoelectric ceramic glass and preparation method and application of piezoelectric ceramic glass | |
CN108069597A (en) | A kind of application of glass composition and preparation method thereof and this glass composition | |
CN105198211A (en) | Low-melting-point glass powder and preparation method thereof | |
KR20080048755A (en) | Ceramic compositions with high strength for applications of law temperature co-fired ceramics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110202 |