CN103994304B - Normal temperature composite getter device for vacuum heat insulation plate - Google Patents
Normal temperature composite getter device for vacuum heat insulation plate Download PDFInfo
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- CN103994304B CN103994304B CN201410128258.XA CN201410128258A CN103994304B CN 103994304 B CN103994304 B CN 103994304B CN 201410128258 A CN201410128258 A CN 201410128258A CN 103994304 B CN103994304 B CN 103994304B
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- metal
- powder
- holding liquid
- getter
- mouthed receptacle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a normal temperature composite getter device for a vacuum heat insulation plate. The normal temperature composite getter device comprises getter alloy powder, drying agent powder and metallic oxide powder, wherein the getter alloy powder, the drying agent powder and the metallic oxide powder are contained in a first metal jar, and the getter alloy powder contains barium lithium alloy. The upper end of the first metal jar is open, and a layer of metallic oxide powder of which the average particle size ranges from 2 micrometers to 20 micrometers is laid at the bottom of the internal space of the first metal jar. A second metal jar with the open upper end is placed on the metallic oxide powder layer and is filled with the getter alloy powder of which the average particle size ranges from 100 micrometers to 200 micrometers, and a metal protective net of which the mesh size ranges from 10 micrometers to 100 micrometers covers an opening of the second metal jar. The drying agent powder of which the average particle size ranges from 20 micrometers to 100 micrometers covers the second metal jar and the metallic oxide powder layer and is compacted in the internal space of the first metal jar. By the adoption of the normal temperature composite getter device, water can be effectively prevented from rapidly permeating into getter alloy to generate chemical reactions to cause combustion and even explosion.
Description
Technical field
The present invention relates to a kind of getter device, it can be used for the residual gas in baffle in vacuum heat-insulating plate, dimension
Hold good vacuum environment in plate, to improve the heat-insulating property of vacuum heat-insulating plate, increase the service life.
Background technology
Vacuum heat-insulating plate (vacuum insulation panel abbreviation vip) is that one kind developed in recent years is new
Effective insulating materials.It is made up of filling core, gas barrier film and getter.Suppress empty by improving vacuum in plate
The heat transfer that gas causes, so as to heat conductivity can reach 0.002-0.004w/mk, is the 1/ of Conventional insulation heat conductivity
10, thickness is only the 1/7-1/10 of Conventional insulation, thus reaching the purpose of heat preservation energy-saving, save space.Extensive Ying Yu
The field higher to thermal requirements such as refrigerator, Medical heat-preserving box, frozen products insulated container and the exterior-wall heat insulation of novel energy-saving construction.
The gas barrier film of general vip is aluminum-plastic composite membrane, and in long-term use process, gas can pass through gas barrier film
Defective locations penetrate into inside vip, these gases include nitrogen, oxygen, carbon dioxide, hydrogen and water vapour etc..Eliminate
These gases are it is necessary to use getter.Traditional getter is required for more than 400 DEG C activating or evapotranspire just can be with air-breathing.
Because gas barrier film can soften or even melts under high temperature, formed damaged and cause gas leakage.Therefore, vip can not bear 150 DEG C with
On high temperature.
For this problem, the Chinese invention patent application file of Application No. 95193987.4 proposes a kind of suction
Gas agent scheme, this getter equipment includes the container that a top is opened wide and is made up of the gas impermeable material of preferably aluminum；In container
Bottom be placed with the first laminate, be placed with the second laminate so that first laminate is completely covered on the top of container.The
One laminate is to be obtained by barium-lithium alloy degasser, and the second laminate is to be obtained by a kind of powder of desiccant material, is dried
The powder of agent material also selectivity contains a kind of metal oxide containing precious metals and a kind of material powder preventing desiccant extruding.
The weak point of this getter equipment is that after getter meets water, desiccant can release substantial amounts of heat, barium-lithium alloy
Release substantial amounts of heat after meeting water and burn, simultaneously barium-lithium alloy and water react the hydrogen of releasing can be in being total to that heat and alloy burn
Burn under same-action and explode.In this case, easily ignite vip Organic substance filling core and with vip directly contact
Organic foam material, cause serious security incident.
It is proposed that a kind of vacuum heat-insulating plate is used in the Chinese utility model patent file of Publication No. cn200986085y
Getter device and be added to technical scheme in vacuum heat-insulating plate, this getter device includes the air-breathing in container and container
Agent, the powder that getter has the materials such as desiccant, barium-lithium alloy, cobalt oxide mixes；Container is flake, grid aperture is little
Rice paper packaging bag in getter particle size.The getter of this getter device is unstamped powder mixture, this suction
In addition to having safety in utilization problem, its exposure air short time just easily adsorbs a large amount of gases to gas agent device, and it is inhaled
Attached gas is difficult to extract during being encapsulated into vip, and also has a longer deflation course after vip sealing, to vip
Internal vacuum has very big negative effect.
Content of the invention
The main object of the present invention is to provide a kind of room temperature composite getter device for vacuum heat-insulating plate, this getter
Do not need hot activation, open packaging and get final product air-breathing, be able to maintain that in vacuum heat-insulating plate the good heat-insulating property of vacuum heat-insulating plate,
Increase the service life.
The technical scheme is that a kind of room temperature composite getter device for vacuum heat-insulating plate, including being contained in
Getter alloy powders containing barium-lithium alloy, desiccant powder and metal oxide powder in first metal broad-mouthed receptacle for holding liquid；Metal-oxide
Powder be cobalt oxide powder, cupric oxide powder, croci any one or at least two compositionss；Desiccant powder is
In lime powder, magnesium oxide powder, barium oxide powder, strontium oxide powder any one or at least two compositionss；First
The open upper end of metal broad-mouthed receptacle for holding liquid, in its inner space, bottom spreads the metal oxide powder in 2-20 micron for the one layer of particle mean size, on
The second metal broad-mouthed receptacle for holding liquid that end is opened wide is placed on metal oxide ground layer, piles particle mean size micro- in 100-200 in the second metal broad-mouthed receptacle for holding liquid
The getter alloy powders of rice, a mesh size is the opening in the second metal broad-mouthed receptacle for holding liquid for the Chain Link Fence covering of 10-100 micron
On, particle mean size is that the desiccant powder of 20-100 micron covers on the second metal broad-mouthed receptacle for holding liquid and metal oxide ground layer simultaneouslyIt is full of
It is compacted in the inner space of the first metal broad-mouthed receptacle for holding liquid.
Getter alloy material containing barium-lithium alloy is a kind of very strong alkalinous metal of chemism, and it is to active gasess
(inclusion nitrogen) and water vapour have very strong adsorptivity, and quick and water reaction can release substantial amounts of heat and hydrogen, and then fires
Decrepitate is exploded, and has very big potential safety hazard.The principle of " being first dried, rear air-breathing " is therefore followed on the design of the present invention, will absorb
The metal oxide ground layer of hydrogen is arranged on the inner space bottom of overall package thing the first metal broad-mouthed receptacle for holding liquid, by containing barium-lithium alloy
Getter alloy powders are limited in the second metal broad-mouthed receptacle for holding liquid of open upper end, cover Chain Link Fence on getter alloy powders simultaneously,
The mesh size of this Chain Link Fence is 10-100 micron, can effectively stop the aqueous water rapid osmotic of impingement drying agent powder
Contact with getter alloy, occur chemical reaction to release substantial amounts of heat and hydrogen；And then prevent getter alloy burning from igniting hydrogen.
Hydrogen is also a kind of extremely harmful gas in vip, and due to the high several times of other gases of its thermal conductivity ratio, it is present in
The heat-insulating property severe exacerbation of vip can be made in vip.Therefore, from the angle improving vip performance, Chain Link Fence can be effective
Moisture and getter alloy is stoped to occur chemical reaction to release hydrogen.On the other hand, the second metal broad-mouthed receptacle for holding liquid can be by cobalt oxide powder, oxygen
Change copper powders, croci any one or at least two compositionss formed metal oxide ground layer with contain barium-lithium
The getter alloy powders of alloy are kept apart, and prevent them from unnecessary chemical reaction occurring.Because hydrogen molecule is little, can be free
Through desiccant powder, reach the bottom in the first metal broad-mouthed receptacle for holding liquid, so metal oxide ground layer is arranged in the first metal broad-mouthed receptacle for holding liquid
Bottom just can fully absorb the remaining hydrogen in vip.The particle mean size of metal oxide powder selects in 2-20 micron, too
Thin powder is difficult to be obtained, and too thick powder activity is poor, and difficult and hydrogen occurs chemical reaction at normal temperatures.It is coated with wire netting
The getter alloy containing barium-lithium alloy be located at the centre of desiccant and metal-oxide, can effectively stop vapor, really
Water conservation steam was absorbed by desiccant powder before reaching getter alloy powders.Due to containing barium-lithium alloy, getter alloy activity
Very strong, too little powder is inflammable and explosive, there is larger potential safety hazard, and too thick powder inspiratory effects are poor；Getter alloy powder
The particle mean size at end selects in 100-200 micron, can be with compromise between security and inspiratory effects.Desiccant powder is from sides and top
Surround the second metal broad-mouthed receptacle for holding liquid and be full of the first metal broad-mouthed receptacle for holding liquid, integrally suppress in the first metal broad-mouthed receptacle for holding liquid.Desiccant powder average particle size is too
Little and be slightly all unfavorable for that compressing, in addition too thick desiccant powder activity is poor very much, absorbability is weak.Desiccant powder is average
Particle diameter is selected in 20-100 micron, has taken into account water absorbing capacity and compressing technological requirement.
The upper port of described first metal broad-mouthed receptacle for holding liquid is coated with the wire netting that mesh size is 100-150 micron.Use this wire netting
Prevent dropping of desiccant powder delamination and fragment.Its safety and reliability used in vip can be improved.
The present invention is used for the room temperature composite getter device of vacuum heat-insulating plate, has function admirable simultaneously, safe and reliable double
Weight advantage.The heat-insulating property good for being able to maintain that it in vacuum heat-insulating plate, increases the service life.This getter with existing
Getter is compared, that is, have good getter capacity, simultaneously again safe and reliable.
Brief description
Fig. 1 be the room temperature composite getter device that the present invention is used for vacuum heat-insulating plate enforcement structural profile schematic diagram it
One；
Fig. 2 is the schematic diagram of the metal coating net in the present invention；
Fig. 3 is the schematic diagram of the loading port covering wire netting in the first metal broad-mouthed receptacle for holding liquid for the present invention；
Fig. 4 is the use of the cross-sectional view of the vacuum heat-insulating plate of room temperature composite getter device of the present invention.
Fig. 5 is to be placed with the vacuum heat-insulating plate with the getter device of Chain Link Fence for the present invention, be placed with without metal
The vacuum heat-insulating plate of similar getter device of protection network and do not place getter vacuum heat-insulating plate heat conductivity in time
Change curve.
Specific embodiment
The present invention is used for the room temperature composite getter device of vacuum heat-insulating plate, as shown in figure 1, including desiccant powder 1, inhaling
Gas alloy powder 2, metal oxide powder 3, the first metal broad-mouthed receptacle for holding liquid 4, Chain Link Fence 5 and the second metal broad-mouthed receptacle for holding liquid 6.
The open upper end of the first metal broad-mouthed receptacle for holding liquid 4, in its inner space, bottom spreads the metal in 2-20 micron for the one layer of particle mean size
Oxide powder 4, the second metal broad-mouthed receptacle for holding liquid 6 of open upper end is placed on metal oxide ground layer, piles granularity in the second metal broad-mouthed receptacle for holding liquid 6
In the getter alloy powders 2 of 100-200 micron, mesh size is that the Chain Link Fence 5 of 10-100 micron covers in the second metal
On the opening of broad-mouthed receptacle for holding liquid 6, particle mean size surrounds the second metal broad-mouthed receptacle for holding liquid 6 from sides and top and is compacted in the desiccant 1 of 10-100 micron
In the inner space of the first metal broad-mouthed receptacle for holding liquid 4.
Barium-lithium alloy is contained in getter alloy powders 2.Metal oxide powder 3 is cobalt oxide powder, cupric oxide powder, oxygen
Change iron powder any one or at least two compositionss, preferably contain cupric oxide powder.Desiccant powder 1 is calcium oxide
In powder, magnesium oxide powder, barium oxide powder, strontium oxide powder any one or at least two compositionss, preferably contain
There is lime powder.
The upper end open of the first metal broad-mouthed receptacle for holding liquid 4, metal oxide powder 4, the second metal broad-mouthed receptacle for holding liquid 6, getter alloy powders 2, metal
Protection network 5 and desiccant powder 1 can be easily once placed in the first metal broad-mouthed receptacle for holding liquid 4 by upper port.It is of course also possible to
First metal broad-mouthed receptacle for holding liquid 4 other positions setting opening come to load metal oxide powder 4, the second metal broad-mouthed receptacle for holding liquid 6, getter alloy powders 2,
Chain Link Fence 5 and desiccant powder 1.
The upper end open of the second metal broad-mouthed receptacle for holding liquid 6, getter alloy powders 2 can put into the second metal conveniently by this upper port
In broad-mouthed receptacle for holding liquid 6；Metal coating net 5 is arranged at the opening of the second metal broad-mouthed receptacle for holding liquid 6 upper end and getter alloy powders 2 is completely covered.It is dried
Agent powder 1 is filled in the first metal broad-mouthed receptacle for holding liquid 4, and second metal broad-mouthed receptacle for holding liquid 6 and metal oxide powder 3 are completely covered.
It is of course also possible to the sidepiece in the second metal broad-mouthed receptacle for holding liquid 6 arranges opening, for example, it is located at the left and right of the second metal broad-mouthed receptacle for holding liquid 6 respectively
Both sides arrange two openings, to load getter alloy powders 2 from both sides.
In the present invention, the material of metal coating net 5 is is ferrum and ferroalloy, copper and copper alloy, in aluminum and aluminium alloy
Any one.Preferably, metal coating net 5 is obtained by stainless steel mesh grid.
As shown in Fig. 2 in order that the even closer covering of metal coating net 5 is on getter alloy powders 2, in the present invention
Metal coating net 5 periphery has flange 51, and metal coating net 5 is fastened at the opening of the second metal broad-mouthed receptacle for holding liquid 6 upper end by flange 51
61.Certainly, the structure of metal coating net 5 and the second metal broad-mouthed receptacle for holding liquid 6 sealing can also have various ways, as long as metal coating can be met
Net 5 is completely covered the requirement of getter alloy powders 2.For example, it is possible to groove be arranged on metal coating net 5 edge, the
Opening setting projection on two metal broad-mouthed receptacles for holding liquid 6, by the male-female engagement of groove and projection, makes metal coating net 5 and the second metal
Broad-mouthed receptacle for holding liquid 6 fastens.
As shown in figure 3, the metal that mesh size is 100-150 micron can be coated with the upper port of the first metal broad-mouthed receptacle for holding liquid 4
Net 7.Wire netting 7 can prevent desiccant powder 1 delamination of compacting and dropping of fragment, but which increases the complexity of technique
Property and cost of manufacture, can choose whether according to actual needs install wire netting 7.Wire netting 7 can adopt and metal coating net 5 phase
With metal material or be obtained by other metals, as long as can prevent powder from dropping.
In the present invention, the material of the first metal broad-mouthed receptacle for holding liquid 4 and the second metal broad-mouthed receptacle for holding liquid 6 is ferrum, ferroalloy, copper, copper alloy, aluminum, aluminium alloy
In any one.Preferably, the first metal broad-mouthed receptacle for holding liquid 4 and the second metal broad-mouthed receptacle for holding liquid 6 are to be obtained by rustless steel punching press.
Make room temperature composite getter device as shown in Figure 3, whole manufacturing process is all in the glove box of argon protection
Complete, making step is:
A (), a diameter of 15mm, highly for 3mm, the second metal broad-mouthed receptacle for holding liquid 6(for 0.3mm for the wall thickness in the present embodiment, adopts
Stainless steel case) load in the first mould, filling weight is the bali of 0.5g4Getter alloy powders 2, and compressing.Diameter
Mesh size for 15.5mm be 14 microns of metal coating net 5(in the present embodiment, using stainless steel mesh grid) fixing peace
It is attached to equipped with bali4At the opening of the second metal broad-mouthed receptacle for holding liquid 6 upper end of getter alloy powders 2.
B (), a diameter of 28mm, highly for 7mm, the first metal broad-mouthed receptacle for holding liquid 4(for 0.3mm for the wall thickness in the present embodiment, adopts
Stainless steel case) load in the second mould, filling weight is 1.0g cuo powder, and metal is formed on the bottom in the first metal broad-mouthed receptacle for holding liquid 4
Oxide ground layer.Then step system (a) perform equipped with bali4Getter alloy powders 2 are put into has gold on the second metal broad-mouthed receptacle for holding liquid 6
The one end belonging to catch net 5 is placed on cuo powder bed upward.
C () 4g cao desiccant powder 1 is filled in the first metal broad-mouthed receptacle for holding liquid 4 in mould, make cao desiccant powder 1 complete
All standing the second metal broad-mouthed receptacle for holding liquid and cuo powder bed, then overall compressing, note making cao desiccant powder 1 be completely filled with first
Metal broad-mouthed receptacle for holding liquid 4.
D () installs wire netting 7 at the first metal broad-mouthed receptacle for holding liquid 4 upper end open.A kind of of the present invention room temperature is obtained and is combined and inhale
Gas agent device.
Pumping property test is carried out to above-mentioned room temperature composite getter device, using the patent of application before me
Room temperature getter pumping property detection method described in zl201120107175.4, respectively with regard to above-mentioned room temperature composite getter device
The pumping property of oxygen, nitrogen, hydrogen, carbon dioxide and water is tested, test result is as described in Table 1.
Table 1 getter constant volume method absorption property (test condition: t=25 DEG C, rh < 50%)
The room temperature composite getter device of the present invention is applied in vacuum heat-insulating plate.As shown in figure 4, the present invention is normal
Warm composite getter device 10 is used in vacuum heat-insulating plate, and it is barrier layer 20 that this vacuum heat-insulating plate selects metallized film, glass fibers
Dimension is chopped silk for core 30, and the room temperature composite getter device 10 of the present invention is encapsulated in the core 30 of vacuum heat-insulating plate.Will be with
On vacuum heat-insulating plate and the vacuum that is not placed with the vacuum heat-insulating plate of getter and is placed with the getter not installing metal coating net 5
Heat-insulating shield has carried out heat conductivity and has followed the tracks of contrast test.In test, it is 50% that each vacuum heat-insulating plate is stored in relative humidity, temperature
Spend for, in 24 DEG C of environment, test condition is 25 DEG C of temperature, relative humidity is less than 50%.Test result is as shown in Figure 5.From Fig. 5
As can be seen that the room temperature composite getter device having metal coating net 5 added with the present invention is not protected with identical structure but added with metal
The getter device of protecting wire net 5 is compared, and both are sufficiently close to the using effect in vacuum heat-insulating plate, and metal protection is thus described
Net does not interfere with the using effect of getter device, and Chain Link Fence 5 compensate for the safety of the getter containing barium-lithium alloy
Difference problem, in turn ensure that good getter capacity simultaneously.The heat conductivity of two kinds of vacuum heat-insulating plates having getter device is at any time
Between the trend that rises be significantly lower than the trend that rises in time of heat conductivity of the vacuum heat-insulating plate not putting getter.Illustrate this
The room temperature composite getter device of invention makes for the low heat conductivity of the vacuum heat-insulating plate maintaining glass fibre core, prolongation
It is very necessary with the life-span.
The above, only present pre-ferred embodiments, the scope of present invention enforcement, skill under this invention are not limited with this
Equivalence changes and modification that art scheme and description are made, all should belong to the scope that the present invention covers.
Claims (1)
1. a kind of room temperature composite getter device for vacuum heat-insulating plate, contains barium-lithium conjunction including being contained in the first metal broad-mouthed receptacle for holding liquid
The getter alloy powders of gold, desiccant powder and metal oxide powder；Metal oxide powder is cobalt oxide powder, copper oxide
Powder, croci any one or at least two compositionss；Desiccant powder be lime powder, magnesium oxide powder,
In barium oxide powder, strontium oxide powder any one or at least two compositionss；It is characterized in that: the upper end of the first metal broad-mouthed receptacle for holding liquid
Open wide, in its inner space, bottom spreads one layer of particle mean size metal oxide powder in 2-20 micron, the second of open upper end
Metal broad-mouthed receptacle for holding liquid is placed on metal oxide ground layer, piles the getter alloy in 100-200 micron for the particle mean size in the second metal broad-mouthed receptacle for holding liquid
Powder, mesh size is that the Chain Link Fence of 10-100 micron covers on the opening of the second metal broad-mouthed receptacle for holding liquid, and particle mean size is
The desiccant powder of 20-100 micron covers on the second metal broad-mouthed receptacle for holding liquid and metal oxide ground layer and is compacted at the first metal broad-mouthed receptacle for holding liquid
Inner space in；The upper port of described first metal broad-mouthed receptacle for holding liquid is coated with the wire netting that mesh size is 100-150 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128258.XA CN103994304B (en) | 2014-04-01 | 2014-04-01 | Normal temperature composite getter device for vacuum heat insulation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128258.XA CN103994304B (en) | 2014-04-01 | 2014-04-01 | Normal temperature composite getter device for vacuum heat insulation plate |
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| Publication Number | Publication Date |
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| CN103994304A CN103994304A (en) | 2014-08-20 |
| CN103994304B true CN103994304B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128258.XA Active CN103994304B (en) | 2014-04-01 | 2014-04-01 | Normal temperature composite getter device for vacuum heat insulation plate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435732B (en) * | 2014-09-25 | 2020-03-24 | 张红 | Getter for vacuum heat-insulating plate and vacuum heat-insulating plate |
| WO2016103680A1 (en) * | 2014-12-26 | 2016-06-30 | パナソニックＩｐマネジメント株式会社 | Heat-insulating container provided with vacuum heat-insulating material, vacuum heat-insulating material, and tanker provided with heat-insulating container |
| CN105617825A (en) * | 2016-03-04 | 2016-06-01 | 滁州银兴新材料科技有限公司 | Improved type drying agent special for vacuum insulation plate |
| CN111594703A (en) * | 2019-02-21 | 2020-08-28 | 北京航天试验技术研究所 | Small vacuum welding connection structure of vacuum heat-insulating pipe with external compensation plate |
| CN114108851A (en) * | 2020-08-27 | 2022-03-01 | 扬中市华龙橡塑电器有限公司 | Fireproof vacuum insulation panel convenient to disassemble and assemble |
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| US5191980A (en) * | 1991-04-16 | 1993-03-09 | Saes Getters Spa | Protective vessel for a getter material |
| CN1151790A (en) * | 1994-07-07 | 1997-06-11 | 工程吸气公司 | Device for maintaining vacuum in thermally insulating jackets and process for mfg. such a device |
| CN1323381A (en) * | 1998-09-30 | 2001-11-21 | 卡伯特公司 | Vacuum insulation panel and method of preparing the same |
| CN1425116A (en) * | 2000-04-21 | 2003-06-18 | 松下冷机株式会社 | Vacuum insulating material and device using the same |
| CN102302923A (en) * | 2011-05-03 | 2012-01-04 | 南京华东电子真空材料有限公司 | Combined getter |
| CN102974302A (en) * | 2012-11-05 | 2013-03-20 | 钟翔 | Composite getter for vacuum insulation panel, and its preparation method |
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2014
- 2014-04-01 CN CN201410128258.XA patent/CN103994304B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191980A (en) * | 1991-04-16 | 1993-03-09 | Saes Getters Spa | Protective vessel for a getter material |
| CN1151790A (en) * | 1994-07-07 | 1997-06-11 | 工程吸气公司 | Device for maintaining vacuum in thermally insulating jackets and process for mfg. such a device |
| CN1323381A (en) * | 1998-09-30 | 2001-11-21 | 卡伯特公司 | Vacuum insulation panel and method of preparing the same |
| CN1425116A (en) * | 2000-04-21 | 2003-06-18 | 松下冷机株式会社 | Vacuum insulating material and device using the same |
| CN102302923A (en) * | 2011-05-03 | 2012-01-04 | 南京华东电子真空材料有限公司 | Combined getter |
| CN102974302A (en) * | 2012-11-05 | 2013-03-20 | 钟翔 | Composite getter for vacuum insulation panel, and its preparation method |
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| CN103994304A (en) | 2014-08-20 |
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