CN101353223B - Sealing exhaust method of plate glass container - Google Patents
Sealing exhaust method of plate glass container Download PDFInfo
- Publication number
- CN101353223B CN101353223B CN2008101509761A CN200810150976A CN101353223B CN 101353223 B CN101353223 B CN 101353223B CN 2008101509761 A CN2008101509761 A CN 2008101509761A CN 200810150976 A CN200810150976 A CN 200810150976A CN 101353223 B CN101353223 B CN 101353223B
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- China
- Prior art keywords
- sealing
- exhaust
- frame
- vacuum
- seal
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The purpose of the invention is to remove the vent-pipe used in the original exhaust process and the tail pipe produced after exhaust and seal, so as to improve the appearance of a component. In the invention, a plurality of small tubers are arranged on a seal frame, the height is between several microns and several hundreds of microns, or a plurality of small gaps are arranged on the seal frame, the width of the small gaps is between several microns and several hundreds of microns, by the means of forming gas channels between two upper and lower baseboards by the tubers and the gaps on the seal frame, during the process of exhaust, gas can be discharged from the exhaust passage. After gas is exhausted, the seal frame material is softened or melt by heating, under the action of outer force, deformation happens on the seal frame material, the exhaust passage is closed down. Therefore vacuum exhaust and seal of the panel-typed vacuum component are realized.
Description
Technical field
The invention belongs to the electrovacuum field, be specifically related to the sealing exhaust method of vacuum in a kind of flat glass devices.
Background technology
Novel flat-plate display device such as PDP flat-panel monitor, FED and novel flat florescent lamp commercialization or moving towards commercialization, the vacuum device that these are novel or need vacuum treated device to have brought a lot of unprecedented new experiences for people's life with its novel structure.Since relate to vacuum-treat, all can be in the manufacturing process of these devices through a vacuum exhaust and hermetically enclosed process.General vacuum exhaust method is after will needing the packaged device sealing-in to form the vacuum cavity of a sealing earlier, to carry out vacuumizing and exhausting through the vapor pipe that is connected on the device more now.
General vacuum deaeration is on formation needs a side group plate of packaged device, to get venting hole; Connect a vapor pipe in the position of venting hole then; Pass through vapor pipe and vacuum evacuating system in succession again; Device is carried out vacuum exhaust, after exhaust is accomplished, vapor pipe blown with exhaust system separate.The practical application for many years of this exhaust mode warp, technology are very ripe, but owing in the work vapor pipe need be set; The vapor pipe that blows after the exhaust is the surplus pipe of lingering section also; This part remaining vapor pipe had both influenced the outward appearance of device, and formed the weak link of a relative thin, in device assembling, handling process; Cause breakage easily, make device failure.
Summary of the invention
The objective of the invention is to remove the tail pipe of employed vapor pipe of original exhaust air technique and exhaust encapsulation back generation, improve the outward appearance of device.For reaching the tail pipe that removes vapor pipe and exhaust encapsulation back generation; Realize the purpose of exhaust-pipe-free sealing-in, the present invention has taked in the pimple that is provided with on the sealing-in frame more than 1, and height is between several microns are to hundreds of microns; Or in the small small gaps that is provided with on the sealing-in frame more than 1; These micro gap width several microns between the hundreds of micron, the slit on these projections or the sealing-in frame is in the mode that forms gas passage up and down between two substrates; In exhaust process, gas can be discharged from these exhaust-ducts.After gas had been arranged, through mode softening or thawing with the sealing-in frame material of heating, under the effect of external force, the sealing-in frame material deformed, and the exhaust-duct is closed.Thereby realize the vacuum exhaust and the sealing-in of plate vacuum device.
For realizing above-mentioned purpose, the present invention proposes following technical scheme:
Need the deflated vacuum device need be placed in the heatable vacuum apparatus cavity, plate vacuum device up and down two substrates involutory after, four limits are fixed through spring clip.During exhaust, heater element heats plate vacuum device, is beneficial to the gas molecule desorption that adsorbs on the device inside wall and discharges; But the temperature of this moment after exhaust completion or blanketing gas charge into completion, continues heating below sealing-in frame material softening temperature; Elevate the temperature to the softening temperature or fusing point of seal, sealing materials, at this moment, externally under the effect of spring clip strength; Prominent point that is provided with on the sealing-in frame or the slit of presetting deform, and finally are closed, and reduce temperature then; Make sealing-in frame material underhardening again, the sealing-in frame up and down two plate bases bonding, be secured together, accomplish the sealing-in process.
Described clamping force can be a gravity, mechanical force or other external force.
The present invention not only can keep the apparent symmetry of plate vacuum device consistent, and can avoid because the component failure that the vapor pipe breakage causes owing to removed required vapor pipe in the present general vacuum exhaust method.For large-scale plate vacuum device, because the exhaust-duct of reserving on the sealing-in frame is bigger, gas can be discharged fast, therefore when scale operation, play the effect of enhancing productivity and cutting down the consumption of energy.
Description of drawings
Fig. 1 is the sealing exhaust method synoptic diagram of prior art middle plateform type vacuum device.
Fig. 2 is A among Fig. 1---the cross sectional representation at A place.
Fig. 3 makes device separate and form the synoptic diagram of obturator with exhaust system for after the exhaust.
Fig. 4 is the plate vacuum device structural representation of exhaust-pipe-free.
Fig. 5 is B among Fig. 4---B place schematic cross-section.
Fig. 6 is for being provided with the synoptic diagram of protruding point and exhaust gap on the sealing-in frame.
Fig. 7 is the hypocoxa sealing-in mount structure synoptic diagram that is provided with exhaust gap.
Fig. 8 is for being provided with the schematic cross-section that exhaust gap is not provided with prominent point on the sealing-in frame.
Fig. 9 is for being provided with the schematic cross-section of exhaust gap and protruding point on the sealing-in frame.
Figure 10 is the sealing-in frame schematic cross-section of sealing-in after accomplishing.
The synoptic diagram that Figure 11 is fixed together for upper and lower base plate in the sintering process.
The synoptic diagram that Figure 12 is closed for exhaust gap under external force.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described further:
Like Fig. 6, Fig. 7, shown in Figure 9, be hypocoxa schematic cross-section and the schematic top plan view of embodiment, on hypocoxa 2, apply the low melting point glass material that sealing-in is used; The sealing-in frame is provided with a plurality of protruding points 9; The quantity of protruding point is no less than N >=1, and the height of projection is between several microns to hundreds of microns, and the sealing-in frame between while two projections is provided with the slit 10 that supplied gas is discharged; Shown in slit 10 among Fig. 6 and Fig. 7, wavelength width of a slit is between several microns to hundreds of microns.During exhaust, earlier upper and lower base plate is folded, it is fixing or use gravity and other mechanical external force to fix that as shown in Figure 11 upper substrate 1 and hypocoxa 2, periphery apply the spring clamping force, shown in 12 among Figure 11.Then the upper and lower base plate after involutory is put into the vacuum chamber of vacuum apparatus; Utilize vacuum pump to discharge the vacuum intracavity gas, discharge in the space 8 that the intravital gas in chamber that two glass substrates 1,2 and sealing-in frame 3 form is constituted through the slit shown in Fig. 9 10 and by the projection that forms on the sealing-in frame 39.
After exhaust reaches needed vacuum tightness, if product needed when device inside charges into the gas of required filling, then can charge into gas to the required pressure of required filling at this moment on request; Mode through heating improves temperature in the vacuum apparatus cavity then; Substrate 1,2 and sealing-in frame 3 coated low melting point glass material temperature also raise along with the rising of temperature in the vacuum apparatus cavity, and when temperature was elevated to 400 ℃～500 ℃, substrate 1,2 and sealing-in frame 3 coated low melting point glass materials softened even melt; Under the pressure effect of spring external force 12; Deform, thereby exhaust gap 10 and exhaust space 8 are sealed, and upper substrate 1 and hypocoxa 2 are bonded to together through sealing-in frame 3; Form an airtight cavity, shown in figure 12.Reduce vacuum-pumping equipment vacuum cavity temperature subsequently, the low melting point glass material sclerosis, exhaust process is accomplished.
The present invention not only can keep the apparent symmetry of plate vacuum device consistent, and can avoid because the component failure that the vapor pipe breakage causes owing to removed required vapor pipe in the present general vacuum exhaust method.For large-scale plate vacuum device, because the exhaust-duct of reserving on the sealing-in frame is bigger, gas can be discharged fast, therefore when scale operation, play the effect of enhancing productivity and cutting down the consumption of energy.
Claims (3)
1. the sealing exhaust method of a plate glass container comprises two glass substrates (1,2) up and down are set to opposing parallel, constitutes the cavity of a sealing with sealing-in frame (3); Seal with air scavenge in the cavity or after charging into desired gas then; It is characterized in that the sealing-in frame (3) of the cavity of sealing is provided with the exhaust-duct of perhaps small groove (8) of small projection (9) and slit (10) formation, behind the intravital gas in chamber of extraction sealing; The exhaust-duct sintering is sealed; Under the effect of clamping force, accomplish vacuum seal, micron-sized projection (9) or sealing-in frame are set on the said sealing-in frame (3) are provided with micron-sized groove gap (10), form the exhaust-duct; The projection (9) that is arranged on the sealing-in frame is made up of low melting point glass material; Be heated under 400 ℃～500 ℃ the condition, making low melting point glass material that softening, fusing distortion back sintering, final closes vent passage take place.
2. the sealing exhaust method of plate glass container according to claim 1 is characterized in that, said on the sealing-in frame, be provided with by low melting point glass material form small projection (9) or constitute small groove space (8), its quantity is no less than 1.
3. the sealing exhaust method of plate glass container according to claim 1 is characterized in that, described clamping force is a mechanical force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101509761A CN101353223B (en) | 2008-09-16 | 2008-09-16 | Sealing exhaust method of plate glass container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101509761A CN101353223B (en) | 2008-09-16 | 2008-09-16 | Sealing exhaust method of plate glass container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101353223A CN101353223A (en) | 2009-01-28 |
| CN101353223B true CN101353223B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101509761A Expired - Fee Related CN101353223B (en) | 2008-09-16 | 2008-09-16 | Sealing exhaust method of plate glass container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101353223B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011060700A (en) * | 2009-09-14 | 2011-03-24 | Canon Inc | Manufacturing method of image display device, and jointing method of base material |
| CN102020428B (en) * | 2009-09-16 | 2012-09-05 | 东元奈米应材股份有限公司 | Vacuum plane glass structure and manufacture method thereof |
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2008
- 2008-09-16 CN CN2008101509761A patent/CN101353223B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101353223A (en) | 2009-01-28 |
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Granted publication date: 20120704 Termination date: 20150916 |
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