CN202640916U - Semi-transparent super clean anti-static shielding film - Google Patents
Semi-transparent super clean anti-static shielding film Download PDFInfo
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- CN202640916U CN202640916U CN 201220180601 CN201220180601U CN202640916U CN 202640916 U CN202640916 U CN 202640916U CN 201220180601 CN201220180601 CN 201220180601 CN 201220180601 U CN201220180601 U CN 201220180601U CN 202640916 U CN202640916 U CN 202640916U
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- electrostatic dissipation
- dissipation layer
- surface electrostatic
- layer
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Abstract
The utility model relates to the technical field of electrostatic prevention, and particularly relates to a semi-transparent super clean anti-static shielding film which comprises an outer surface electrostatic dissipation layer, a polyester layer, a metal aluminum layer and an inner surface electrostatic dissipation layer which are sequentially arranged, wherein the outer surface electrostatic dissipation layer and the inner surface electrostatic dissipation layer are special polyethylene layers with electrostatic dissipation property. The semi-transparent super clean anti-static shielding film has superhigh clnealiness, is very low in anion content, can effectively prevent production of an acidic material with strong corrosion action due to combination of anion and water molecules and can protect the safety of an electronic device to the maximum.
Description
Technical field
The utility model relates to the antistatic technique field, particularly a kind of translucent ultra-clean antistatic screened film.
Background technology
The ultra-clean antistatic screened film is widely used in electronic semi-conductor's industry, national defense industry, recording disc industry, fibre optics device manufacturing industry, telecommunications radio communication industry, pharmaceutical sector, auto manufacturing etc. and relates to the fields such as responsive electronic devices and components processing, packing and encapsulation, is not subjected to the injuries such as microparticle, moisture, static release and electromagnetic interference for the protection of sensitive electronic components inside and surface.
General anti-static shielding film in the market is in microparticle control and ion concentration controlling party surface technology level is lower or not as the control project, can't satisfy super clean requirement in some industry.
Summary of the invention
Deficiency for above-mentioned prior art existence; the purpose of this utility model provides a kind of translucent ultra-clean antistatic screened film; it has the cleanliness factor of superelevation; anion-content is extremely low; the acidic materials with strong corrosion effect that can effectively prevent anion and water molecules and produce can be protected the safety of electronic device to greatest extent.
To achieve these goals, the technical scheme that adopts of the utility model is:
A kind of translucent ultra-clean antistatic screened film comprises tactic outer surface electrostatic dissipation layer, polyester layer, metal aluminium lamination and inner surface electrostatic dissipation layer.
Further, described outer surface electrostatic dissipation layer and inner surface electrostatic dissipation layer are the Special polyethylene layer (PE) with electrostatic dissipative properties.
Further, the resistance of described outer surface electrostatic dissipation layer and inner surface electrostatic dissipation layer is less than 1 * 1011 ohm, and metal aluminium lamination sheet resistance is less than 100 ohm, and electrostatic screen is less than 50V.
Further, material thickness is 0.075mm, and hot strength is greater than 15N (TD﹠amp; MD), tearing strength is greater than 8N (TD﹠amp; MD), puncture intensity is greater than 5N.
Described outer surface electrostatic dissipation layer and inner surface electrostatic dissipation layer Main Function are the generations that stops screened film surfaces externally and internally static, and the approach that discharges external charge is provided, and heat cover and the physical property of film also can be provided simultaneously.Described polyester layer (PET) provides the physical property of material, and described metallic aluminium (AL) provides the electrostatic screen protection of faraday cup principle.
Properties of the present utility model meets ANSI/ESD S541, MIL-1686A, MIL-PRF-81705Rev D, Type III, the related request of GB-13022-91.By specific antistatic prescription, make the screened film cleanliness factor can satisfy the high standard requirement of recording disc industry, and do not contain amino-compound, silicone oil and dioctyl phthalate (DOP), the IC anion-content is extremely low, fluorine ion (F
-) less than 0.001 μ g/cm
2, chlorion (Cl
-) less than 0.001 μ g/cm
2, nitrite ion (NO
2 -) less than 0.001 μ g/cm
2, bromide ion (Br
-) less than 0.001 μ g/cm
2, nitrate ion (NO
3 -) less than 0.009 μ g/cm
2, phosphate anion (PO
4 3-) less than 0.001 μ g/cm
2, sulfate ion (SO
4 2-) less than 0.001 μ g/cm
2, total anion-content is less than 0.012 μ g/cm
2Compare with anti-static shielding film common on the market, anion-content of the present utility model only is 1/tens, fluorine ion, chlorion, nitrite ion, bromide ion, phosphate anion, sulfate ion only are 1/10th, nitrate ion only is 1/14th, and total ion concentration only is 1/11st.Simultaneously, the utility model also meets the requirement of limiting the quantity of of the harmful substances such as FTIR, RoHS, REACH, Halogen Free, PFOS, PFOA and PVC.
The utlity model has the cleanliness factor of superelevation, anion-content is extremely low, can effectively prevent anion and water molecules and the acidic materials with strong corrosion effect that produce, protects to greatest extent the safety of electronic device.The physical property that has and antistatic performance can be made into by the requirement of packing material various shapes and size, and can reach the requirement that vacuumizes packing.Translucent performance can be checked the state of appearance of package interior electronic device, and by the humidity situation of change in the humidity indicating card observation packaging bag.The utility model is applicable to environment the occasions such as the production of dustless requirement, packing and test, and meeting magnetic head, hard disk etc. has the harsh hi-tech industry standard that requires to cleanliness factor.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model;
Among the figure: 1, outer surface electrostatic dissipation layer; 2, polyester layer; 3, metal aluminium lamination; 4, inner surface electrostatic dissipation layer.
The specific embodiment
Below in conjunction with embodiment the utility model is described in detail, the description of this part only is exemplary and indicative, should any restriction not arranged to protection domain of the present utility model.
Embodiment, as shown in Figure 1:
The utility model is a kind of translucent ultra-clean antistatic screened film, comprises tactic outer surface electrostatic dissipation layer 1, polyester layer 2, metal aluminium lamination 3 and inner surface electrostatic dissipation layer 4.Described outer surface electrostatic dissipation layer 1 is the Special polyethylene layer (PE) with electrostatic dissipative properties with inner surface electrostatic dissipation layer 4.
At first adopt conventional the tape casting with the film polyester layer 2 of drawn polyester to desired thickness; Recycle vacuum aluminum-coated technology and plate metal aluminium lamination 3 at polyester layer 2 inner surfaces, make aluminum polyester, the thickness of its metal aluminium lamination 3 is that 150 Izods are right; Then adopt the multi-layer co-extruded resin hot melt coextru-laminations such as Special polyethylene with aluminum polyester and the organic conductive polymer compound of interpolation.
The utility model process does not adopt traditional dry type laminating production operation, but make supporting layer by aluminum polyester first, two surfaces of supporting layer again with have antistatic and resin hot melt coextru-laminations such as Special polyethylene that have adhesive function, reduced intermediate link, need not curing process and coating process, improved production efficiency, simultaneously, do not need glue and antistatic agent, thereby can not cause the volatilization of harmful chemical component in process, make production process more meet energy-conservation environmental requirement with reducing pollutant emission, be conducive to the sustainable development of ecological environment.
The above only is better embodiment of the present utility model, therefore all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (4)
1. a translucent ultra-clean antistatic screened film is characterized in that: comprise tactic outer surface electrostatic dissipation layer (1), polyester layer (2), metal aluminium lamination (3) and inner surface electrostatic dissipation layer (4).
2. a kind of translucent ultra-clean antistatic screened film according to claim 1 is characterized in that: described outer surface electrostatic dissipation layer (1) and inner surface electrostatic dissipation layer (4) are for having the Special polyethylene layer of electrostatic dissipative properties.
3. a kind of translucent ultra-clean antistatic screened film according to claim 1 is characterized in that: the resistance of described outer surface electrostatic dissipation layer (1) and inner surface electrostatic dissipation layer (4) is less than 1 * 10
11Ohm; Described metal aluminium lamination (3) sheet resistance is less than 100 ohm, and electrostatic screen is less than 50V.
4. a kind of translucent ultra-clean antistatic screened film according to claim 1, it is characterized in that: thickness is 0.075mm, and hot strength is greater than 15N, and tearing strength is greater than 8N, and puncture intensity is greater than 5N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180601 CN202640916U (en) | 2012-04-25 | 2012-04-25 | Semi-transparent super clean anti-static shielding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180601 CN202640916U (en) | 2012-04-25 | 2012-04-25 | Semi-transparent super clean anti-static shielding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202640916U true CN202640916U (en) | 2013-01-02 |
Family
ID=47410076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220180601 Expired - Fee Related CN202640916U (en) | 2012-04-25 | 2012-04-25 | Semi-transparent super clean anti-static shielding film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202640916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2536225A (en) * | 2015-03-09 | 2016-09-14 | Pi Communication Ltd | Improvements in and relating to the suppression of electromagnetic interference caused by wireless mobile devices |
-
2012
- 2012-04-25 CN CN 201220180601 patent/CN202640916U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2536225A (en) * | 2015-03-09 | 2016-09-14 | Pi Communication Ltd | Improvements in and relating to the suppression of electromagnetic interference caused by wireless mobile devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |