CN104296889B - Temperature indicator and the article for being provided with the temperature indicator - Google Patents
Temperature indicator and the article for being provided with the temperature indicator Download PDFInfo
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- CN104296889B CN104296889B CN201310297104.9A CN201310297104A CN104296889B CN 104296889 B CN104296889 B CN 104296889B CN 201310297104 A CN201310297104 A CN 201310297104A CN 104296889 B CN104296889 B CN 104296889B
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Abstract
The present invention discloses a kind of temperature indicator, including：Container；With the silicon rubber of liquid, the silicon rubber of the liquid is contained in the container, and with the critical-temperature from liquid to Solid State Transformation.When higher than the critical-temperature, the silicon rubber of the liquid can be changed from liquid to solid, and be transformed into the silicon rubber of solid-state can not be from Solid State Transformation into liquid below the critical-temperature.The present invention indicates temperature history that product undergoes in high temperature of the experience higher than the critical-temperature that is converted to solid-state from liquid using fluid silicone rubber by liquid becomes the feature of solid-state.The present invention can expand applicable temperature range by the formula for the silicon rubber for adjusting liquid, and the present invention is sensitiveer to high temperature, when the temperature of monitored article exceedes critical-temperature, transformation from liquid to solid-state can occur within a few minutes for the temperature indicator of the present invention, so as to accurately record the temperature history that article is undergone.
Description
Technical field
It is used to indicate the temperature indicator for the temperature that article is lived through and is provided with the temperature and refers to the present invention relates to a kind of
Show the article of device.
Background technology
Many products, such as high-end electronic product/electronic material, medical product, food are in production, storage or transportation
In may cause hydraulic performance decline because undergoing high temperature, damage or rotten.By most products shortage undergoes the instruction of temperature
Mark, client or consumer are difficult to judge whether product lives through high temperature and cause hydraulic performance decline or rotten.Although having had
For the commercialized temperature indication card of food, but these products are not fairly obvious for the high temperature of short time, Er Qie great
It is defined in the application of frozen product, its temperature limit is limited by certain.
At present, the material typically varied with temperature applied to the temperature indicator of cryogenic freezing food using color is made,
User judges whether product lives through the high temperature not allowed by distinguishing the color of temperature indicator.But, these are applied to
The Applicable temperature scope of the temperature indicator of cryogenic freezing product is very limited, typically in zero degrees celsius or so, and can not be applicable
In higher temperature, for example, 50 degrees Celsius or higher of temperature.Moreover, the response time of this temperature indicator is very slow, have
When need experience a few hours could be from a kind of color change into another color, its temperature response performance is excessively blunt.
Therefore, this existing temperature indicator may not apply to the other products in addition to frozen product, for example, some
High-precision electronic product, sometimes these high-precision electronic products do not allow 150 degrees Celsius above freezing of the high temperature of tens seconds even, and
The sensitivity of existing temperature indicator can only achieve the temperature of a few hours zero degree or so.
The content of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
It is an object of the present invention to provide a kind of temperature indicator, it can be applied to broader temperature range, from
And a greater variety of products can be applied to.
It is another object of the present invention to provide a kind of temperature indicator, its temperature-responsive is fast, is able to record that lower product
The short time high temperature lived through.
According to an aspect of the present invention, it provides a kind of temperature indicator, including：Container；With the silicon rubber of liquid, institute
The silicon rubber for stating liquid is contained in the container, and with the critical-temperature from liquid to Solid State Transformation.Face when higher than described
During boundary's temperature, the silicon rubber of the liquid can be changed from liquid to solid, and be transformed into the silicon rubber of solid-state and faced described
Can not be from Solid State Transformation into liquid below boundary's temperature.
According to the embodiment of an example of the present invention, the container is transparent polybag, the silicon rubber of the liquid
Glue is sealed in transparent polybag.
According to the embodiment of another exemplary of the present invention, colored particle is placed with the silicon rubber of the liquid
Body, the color of the granule is different from the silicon rubber of liquid and the silicon rubber of solid-state.
According to the embodiment of another exemplary of the present invention, the critical-temperature is in -100 degrees Celsius and+200 degrees Celsius
Between.
According to the embodiment of another exemplary of the present invention, the critical-temperature is in -50 degrees Celsius and+150 degrees Celsius
Between.
According to the embodiment of another exemplary of the present invention, the critical-temperature zero degrees celsius and+150 degrees Celsius it
Between.
According to the embodiment of another exemplary of the present invention, when higher than the critical-temperature, the silicon rubber of the liquid
The glue experience scheduled time can all change from liquid to solid.
According to the embodiment of another exemplary of the present invention, the scheduled time is less than 20 minutes.
According to the embodiment of another exemplary of the present invention, the scheduled time is less than 10 minutes.
According to the embodiment of another exemplary of the present invention, the scheduled time is less than 5 minutes.
According to the embodiment of another exemplary of the present invention, the scheduled time is less than 1 minute.
According to the embodiment of another exemplary of the present invention, the silicon rubber is to organism and natural environment nonhazardous.
According to another aspect of the present invention there is provided a kind of article, temperature indicator is provided with the article, it is described
Temperature indicator is aforementioned temperature indicator.
According to the embodiment of an example of the present invention, the silicon rubber in the temperature indicator turns from liquid to solid-state
The critical-temperature of change, which is equal to or more than the article, allows the maximum temperature of experience.
According to the embodiment of another exemplary of the present invention, multiple temperature indicators, institute are provided with the article
State critical-temperature of the silicon rubber in multiple temperature indicators from liquid to Solid State Transformation different from each other, and the multiple temperature
The critical-temperature of one in indicator is equal to the maximum temperature that article allows to undergo, and the stagnation temperature of other temperature indicators
Degree, which is more than article, allows the maximum temperature of experience.
According to the embodiment of another exemplary of the present invention, the temperature indicator is set directly at the table of the article
On face；Or the temperature indicator is arranged in the packaging bag for packing the article.
According to the embodiment of another exemplary of the present invention, the temperature indicator is affixed directly in the form of a label
On the surface of the article；Or the temperature indicator is pasted onto in the packaging bag for packing the article in the form of a label.
According to the embodiment of another exemplary of the present invention, the article is electronic product, medical product or food.
Compared with prior art, the present invention is higher than the stagnation temperature that solid-state is converted to from liquid using fluid silicone rubber in experience
During the high temperature of degree by liquid become the feature of solid-state indicate product experience temperature history.It is used to refrigerate food different from existing
The temperature indicator of the display color change of product.The present invention can be applicable to expand by the formula for the silicon rubber for adjusting liquid
Temperature range, can be applied within the scope of subzero tens degree to 100 degree or higher above freezing of temperature.Moreover, the temperature of the present invention
Indicator is sensitiveer to high temperature, and response is very fast, when the temperature of monitored article exceedes critical-temperature, the present invention
Temperature indicator transformation from liquid to solid-state can occur within a few minutes, passed through so as to easily record product
The temperature history gone through.In addition, present invention silastic material used does not have any murder by poisoning to biological and natural environment, will not be to environment
Have any impact.
By the description made for the present invention of below with reference to accompanying drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Brief description of the drawings
Fig. 1 shows the schematic diagram of the temperature indicator of the embodiment according to an example of the present invention；
Fig. 2 shows signal of Fig. 1 temperature indicator after experience is higher than the critical-temperature changed from liquid to solid
Figure；
Fig. 3 shows the schematic diagram of the temperature indicator of the embodiment of another exemplary according to the present invention；
Fig. 4 shows signal of Fig. 3 temperature indicator after experience is higher than the critical-temperature changed from liquid to solid
Figure；
Fig. 5 shows thing embodiment, being provided with temperature indicator shown in Fig. 1 according to an example of the present invention
The schematic diagram of product；
Fig. 6 shows schematic diagram of Fig. 5 article after experience is higher than allowed maximum temperature；
Fig. 7 shows article embodiment, being provided with three temperature indicators of another exemplary according to the present invention
Schematic diagram, wherein three temperature indicators have critical-temperature different from each other；With
Fig. 8 shows schematic diagram of Fig. 7 article after experience is higher than allowed maximum temperature.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.In explanation
In book, same or analogous drawing reference numeral indicates same or analogous part.It is following referring to the drawings to embodiment of the present invention
Illustrate to be intended to explain the present general inventive concept of the present invention, and be not construed as a kind of limitation to the present invention.
Fig. 1 shows the schematic diagram of the temperature indicator 101 according to the embodiment of an example of the present invention.
As shown in Figure 1, it is illustrated that temperature indicator 101 mainly including container 100 and the liquid that is contained in container 100
Silicon rubber 201L.The silicon rubber 201L of the liquid has the critical-temperature from liquid to Solid State Transformation, i.e. when the silicon rubber of liquid
When 201L experience is higher than the temperature of critical-temperature, the silicon rubber 201L of liquid can be changed from liquid to solid.
Fig. 2 shows Fig. 1 the showing after experience is higher than the critical-temperature changed from liquid to solid of temperature indicator 101
It is intended to.
As shown in Fig. 2 when temperature of the experience higher than critical-temperature, the silicon rubber 201L of the liquid shown in Fig. 1 can be turned
Become the silicon rubber 201S of solid-state.
However, it is noted that being transformed into the silicon rubber of the solid-state shown in Fig. 2 in the silicon rubber 201L of the liquid shown in Fig. 1
After 201S, even if the silicon rubber 201S of solid-state is in below foregoing critical-temperature again, the silicon rubber 201S of solid-state is not yet
Can be from Solid State Transformation into liquid.
For the ease of the silicon rubber in directly observation container 100, in the embodiment of an example of the present invention, container
100 be transparent polybag, and the silicon rubber 201L of liquid is sealed in transparent polybag.So, operator can by regarding
Feel and/tactile intuitively know the state change of silicon rubber.For example, whether can by extruding container 100 to observe silicon rubber
Flow to judge whether silicon rubber has changed from liquid to solid.
Fig. 3 shows the schematic diagram of the temperature indicator 101 ' of the embodiment of another exemplary according to the present invention；Fig. 4 shows
The temperature indicator 101 ' of diagram 3 is in experience higher than the schematic diagram after the critical-temperature changed from liquid to solid.
Compared with the temperature indicator 101 shown in Fig. 1 and Fig. 2, the difference of Fig. 3 and the temperature indicator 101 ' shown in Fig. 4
It is only that：Colored granule 300 is placed with the silicon rubber 201L of liquid, the color of granule 300 is different from liquid
Silicon rubber 201L and solid-state silicon rubber 201S.
When silicon rubber is the liquid shown in Fig. 3, granule 300 can be moved freely in the silicon rubber 201L of liquid；
When silicon rubber is the solid-state shown in Fig. 4, granule 300 can not be moved freely in the silicon rubber 201S of solid-state.
Therefore, as shown in Figure 3 and Figure 4, observe whether granule 300 moves by extruding colored granule 300, can
The silicon rubber 201S of solid-state whether is converted to the silicon rubber 201L of more intuitively observation of liquid state.
In the embodiment of an example of the present invention, the silicon rubber 201L of liquid is from liquid to the critical of Solid State Transformation
Temperature is between -100 degrees Celsius and+200 degrees Celsius.
Preferably, in the embodiment of an example of the present invention, the silicon rubber 201L of liquid turns from liquid to solid-state
The critical-temperature of change is between -50 degrees Celsius and+150 degrees Celsius.
It is highly preferred that in the embodiment of an example of the present invention, the silicon rubber 201L of liquid is from liquid to solid-state
The critical-temperature of transformation is between zero degrees celsius and+150 degrees Celsius.
However, it is noted that critical-temperatures of the silicon rubber 201L of the liquid of the present invention from liquid to Solid State Transformation is not limited to
In foregoing temperature range, it can change according to actual needs, for example, can be by suitably changing the silicon rubber 201L of liquid
Formula adjust critical-temperature.
In the embodiment of an example of the present invention, when the silicon rubber 201L of liquid is in the temperature higher than critical-temperature
During the lower experience scheduled time, the silicon rubber 201L of liquid can be changed from liquid to solid all.
According to the embodiment of an example of the present invention, the foregoing scheduled time is less than 20 minutes.Preferably, it is foregoing predetermined
Time is less than 10 minutes.It is highly preferred that the foregoing scheduled time is less than 5 minutes.Even further preferably, the foregoing scheduled time can be with small
In 1 minute.
However, it is noted that the time needed for the silicon rubber 201L of the liquid of the present invention is changed from liquid to solid does not limit to
In aforesaid time scope, it can change according to actual needs, for example, can be by suitably changing the silicon rubber 201L of liquid
Formula adjust the time, for example, the foregoing scheduled time can be adjusted to be less than 30 seconds, 10 seconds or several seconds.
According to the embodiment of an example of the present invention, silastic material used in the present invention is to organism and nature
Environment nonhazardous.Therefore, be particularly suitable for use in it is disposable, after use, you can abandon.
Fig. 5 show according to an example of the present invention it is embodiment, be provided with temperature indicator 101 shown in Fig. 1
Article 10 schematic diagram；Fig. 6 shows schematic diagram of Fig. 5 article 10 after experience is higher than allowed maximum temperature.
As shown in figure 5, the temperature indicator 101 shown in a Fig. 1 is provided with article 10, and the temperature indicator
Critical-temperatures of the silicon rubber 201L of liquid in 101 from liquid to Solid State Transformation, which is equal to article 10, allows the highest temperature of experience
Degree.
Therefore, allowed as shown in fig. 6, working as monitored article 10 experience in production, storage or transportation and being higher than
During the maximum temperature of experience, the silicon rubber 201L of the liquid in the temperature indicator 101 being disposed thereon can be transformed into solid-state
Silicon rubber 201S.
Therefore, the silicon rubber of the liquid in the temperature indicator 101 that user can be arranged on article 10 by judgement
Whether 201L is converted to the silicon rubber 201S of solid-state, easily to judge whether article 10 had been subjected to permit higher than it
Perhaps the maximum temperature undergone.If the silicon rubber in temperature indicator 101 remains as liquid, illustrate that article was not gone through and be higher than
It allows the maximum temperature of experience, and the performance and quality of article 10 are not affected.If the silicon in temperature indicator 101
Rubber is converted to solid-state, then illustrates that article had been subjected to allow the maximum temperature of experience, the property of article 10 higher than it
It can be affected with quality.
In the embodiment of the exemplary shown in Fig. 5 and Fig. 6, temperature indicator 101 is set directly at the surface of article 10
On, for example, being affixed directly in the form of a label on the surface of article 10.But, the present invention is not limited to this, temperature indicator
101 can also be arranged in the packaging bag (not shown) of packing article 10, for example, being pasted onto packing article 10 in the form of a label
Packaging bag on.
In the embodiment of an example of the present invention, article 10 can for electronic product, medical product, food or its
It needs to monitor the article of temperature.
Although only show a temperature indicator 101 in the embodiment shown in Fig. 5 and Fig. 6, not office of the invention
It is limited to the embodiment shown in Fig. 5 and Fig. 6, multiple temperature indicators, example can also be set on the article 10 for needing to monitor temperature
Such as, two, three or more, and by suitably adjusting the formula of the silicon rubber in this multiple temperature indicator so that this
Critical-temperature of the silicon rubber from liquid to Solid State Transformation in multiple temperature indicators is different from each other, and this multiple temperature is indicated
The critical-temperature of the silicon rubber of one in device, which is set equal to article 10, allows the maximum temperature of experience, and other temperature
The critical-temperature of the silicon rubber of indicator is configured to be more than the maximum temperature that article 10 allows to undergo.In this way, it is possible to remember
The more accurate temperature range that the lower article 10 of record is lived through, reaches more accurate monitoring temperature effect.
Below by by taking Fig. 7 and Fig. 8 as an example come illustrate need monitor temperature article 10 on multiple temperature indicators are set
Exemplary embodiment.
Fig. 7 show according to the present invention another exemplary it is embodiment, be provided with three temperature indicators 101,
102nd, the schematic diagram of 103 article 10, wherein three temperature indicators 101,102,103 have critical-temperature different from each other；
Schematic diagram of Fig. 7 article 10 after experience is higher than allowed maximum temperature is shown with Fig. 8.
As shown in fig. 7, being provided with three temperature indicators 101,102,103 on article 10, respectively the first temperature refers to
Show device 101, the temperature indicator 103 of second temperature indicator 102 and the 3rd.In these three temperature indicators 101,102,103
Silicon rubber 201L, 202L, 203L of liquid formula are different from each other, therefore, in these three temperature indicators 101,102,103
Critical-temperatures of silicon rubber 201L, 202L, the 203L of liquid from liquid to Solid State Transformation is also different from each other.
In the embodiment of the exemplary shown in Fig. 7 and Fig. 8, the silicon rubber of the liquid in the first temperature indicator 101
201L is designed to allow the maximum temperature of experience (might as well assume equal to article 10 from liquid to the critical-temperature of Solid State Transformation
For T1 degrees Celsius), the critical-temperature of the silicon rubber 202L of the liquid in second temperature indicator 102 from liquid to Solid State Transformation
(T2 degrees Celsius might as well be assumed to be) be designed to be more than the first temperature indicator 101 in liquid silicon rubber 201L from liquid to
The silicon rubber 203L of liquid in the critical-temperature of Solid State Transformation, and the 3rd temperature indicator 103 is from liquid to Solid State Transformation
Critical-temperature (T3 degrees Celsius might as well be assumed to be) be designed to be more than second temperature indicator 102 in liquid silicon rubber
Critical-temperatures of the 202L from liquid to Solid State Transformation.
As shown in figure 8, after monitoring after a while, if three temperature indicators 101 on article 10,
102nd, the silicon rubber in the first and second temperature indicators 101,102 in 103 be converted to solid-state silicon rubber 201S,
202S, and the silicon rubber in the 3rd temperature indicator 103 is still the silicon rubber 203L of liquid.It is possible to determine article 10
The temperature range lived through within monitored this period is at least in the range of T1 degrees Celsius to T2 degrees Celsius, and may be used also
To know that the maximum temperature that article 10 was gone through within monitored this period is not above T3 degrees Celsius.
So, as shown in Figure 7 and Figure 8, by setting multiple temperature indicators 101,102,103 simultaneously on article 10,
The more accurate temperature range that lower article 10 is lived through just is able to record that, more accurate monitoring temperature effect is reached.
Although with reference to accompanying drawing, the present invention is described, and the embodiment disclosed in accompanying drawing is intended to preferred to the present invention
Embodiment is illustrative, and it is not intended that limiting a kind of of the present invention.
Although some embodiments of this present general inventive concept are shown and illustrated, those of ordinary skill in the art will manage
Solution, in the case of without departing substantially from the principle of this present general inventive concept and spirit, can make a change to these embodiments, and various
Structure described in embodiment can carry out independent assortment in the case of the conflict in terms of not recurring structure or principle, this
The scope of invention is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the scope that any element label of claim should not be construed as limiting the invention.
Claims (18)
1. a kind of temperature indicator, for indicating whether product once exceedes design temperature, including：
Container (100)；With
The silicon rubber (201L) of liquid, the silicon rubber (201L) of the liquid is contained in the container (100), and is had from liquid
Critical-temperature from state to Solid State Transformation,
It is characterized in that：
When by design temperature higher than the critical-temperature, the silicon rubber (201L) of the liquid can be transformed into solid from liquid
State, and
Being transformed into the silicon rubber of solid-state (201S) can not be from Solid State Transformation into liquid below the critical-temperature.
2. temperature indicator according to claim 1, it is characterised in that：
The container (100) is transparent polybag, and the silicon rubber (201L) of the liquid is sealed in transparent polybag.
3. temperature indicator according to claim 1 or 2, it is characterised in that：
Colored granule (300) is placed with the silicon rubber (201L) of the liquid, the color of the granule (300) is not
It is same as the silicon rubber (201L) of liquid and the silicon rubber (201S) of solid-state.
4. temperature indicator according to claim 1, it is characterised in that：The critical-temperature is at -100 degrees Celsius and+200
Between degree Celsius.
5. temperature indicator according to claim 4, it is characterised in that：The critical-temperature is at -50 degrees Celsius and+150
Between degree Celsius.
6. temperature indicator according to claim 5, it is characterised in that：The critical-temperature is taken the photograph in zero degrees celsius and+150
Between family name's degree.
7. temperature indicator according to claim 1, it is characterised in that：
When higher than the critical-temperature, silicon rubber (201L) the experience scheduled time of the liquid all can be transformed into from liquid
Solid-state.
8. temperature indicator according to claim 7, it is characterised in that：The scheduled time is less than 20 minutes.
9. temperature indicator according to claim 8, it is characterised in that：The scheduled time is less than 10 minutes.
10. temperature indicator according to claim 9, it is characterised in that：The scheduled time is less than 5 minutes.
11. temperature indicator according to claim 10, it is characterised in that：The scheduled time is less than 1 minute.
12. temperature indicator according to claim 1, it is characterised in that：The silicon rubber is to organism and natural environment
Nonhazardous.
13. a kind of article, is provided with temperature indicator (101) on the article (10),
It is characterized in that：
The temperature indicator (101) is the temperature indicator any one of preceding claims 1-12.
14. article according to claim 13, it is characterised in that：
Critical-temperature of the silicon rubber (201L) from liquid to Solid State Transformation in the temperature indicator (101) is equal to or more than institute
Stating article (10) allows the maximum temperature of experience.
15. article according to claim 13, it is characterised in that
It is provided with multiple temperature indicators (101,102,103) on the article (10), the multiple temperature indicator (101,
102nd, 103) in critical-temperature of the silicon rubber (201L, 202L, 203L) from liquid to Solid State Transformation it is different from each other, and
The critical-temperature of one in the multiple temperature indicator (101,102,103), which is equal to article (10), allows experience
Maximum temperature, and the critical-temperature of other temperature indicators (101,102,103) is more than the highest that article (10) allows to undergo
Temperature.
16. the article according to any one of claim 13-15, it is characterised in that：
The temperature indicator (101,102,103) is set directly on the surface of the article (10)；Or
The temperature indicator (101,102,103) is arranged in the packaging bag for packing the article (10).
17. the article according to any one of claim 13-15, it is characterised in that：
The temperature indicator (101,102,103) is affixed directly on the surface of the article (10) in the form of a label；Or
Person
The temperature indicator (101,102,103) is pasted onto in the packaging bag for packing the article (10) in the form of a label.
18. article according to claim 13, it is characterised in that：The article is electronic product, medical product or food.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297104.9A CN104296889B (en) | 2013-07-16 | 2013-07-16 | Temperature indicator and the article for being provided with the temperature indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297104.9A CN104296889B (en) | 2013-07-16 | 2013-07-16 | Temperature indicator and the article for being provided with the temperature indicator |
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| Publication Number | Publication Date |
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| CN104296889A CN104296889A (en) | 2015-01-21 |
| CN104296889B true CN104296889B (en) | 2017-09-29 |
Family
ID=52316719
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310297104.9A Active CN104296889B (en) | 2013-07-16 | 2013-07-16 | Temperature indicator and the article for being provided with the temperature indicator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424217B (en) * | 2015-11-23 | 2019-03-12 | 卢安迪 | The cryogenic temperature monitoring method and cryogenic temperature monitoring agent of Cold Chain Logistics |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232552A (en) * | 1978-09-28 | 1980-11-11 | Akzona Incorporated | Temperature indicating compositions of matter |
| CN1564933A (en) * | 2001-10-04 | 2005-01-12 | 皇家飞利浦电子股份有限公司 | Data carrier having indication means for indicating a change of a parameter influencing the data carrier |
| CN1720180A (en) * | 2002-12-03 | 2006-01-11 | 亨利·诺比 | A package for storing goods in a preservative state as well as a method for making such a package |
| CN101156056A (en) * | 2005-04-01 | 2008-04-02 | 朗姆研究公司 | Accurate temperature measurement for semiconductor applications |
| CN101606047A (en) * | 2007-01-10 | 2009-12-16 | 日本恒温装置株式会社 | Temperature-sensitive indicator |
-
2013
- 2013-07-16 CN CN201310297104.9A patent/CN104296889B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232552A (en) * | 1978-09-28 | 1980-11-11 | Akzona Incorporated | Temperature indicating compositions of matter |
| CN1564933A (en) * | 2001-10-04 | 2005-01-12 | 皇家飞利浦电子股份有限公司 | Data carrier having indication means for indicating a change of a parameter influencing the data carrier |
| CN1720180A (en) * | 2002-12-03 | 2006-01-11 | 亨利·诺比 | A package for storing goods in a preservative state as well as a method for making such a package |
| CN101156056A (en) * | 2005-04-01 | 2008-04-02 | 朗姆研究公司 | Accurate temperature measurement for semiconductor applications |
| CN101606047A (en) * | 2007-01-10 | 2009-12-16 | 日本恒温装置株式会社 | Temperature-sensitive indicator |
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| CN104296889A (en) | 2015-01-21 |
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