CN204586018U - A kind of cover strip - Google Patents
A kind of cover strip Download PDFInfo
- Publication number
- CN204586018U CN204586018U CN201520055122.0U CN201520055122U CN204586018U CN 204586018 U CN204586018 U CN 204586018U CN 201520055122 U CN201520055122 U CN 201520055122U CN 204586018 U CN204586018 U CN 204586018U
- Authority
- CN
- China
- Prior art keywords
- layer
- cover strip
- intermediate layer
- pet film
- adhesive layer
- 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.)
- Expired - Fee Related
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- Packaging Frangible Articles (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a kind of cover strip, comprise base material, adhesive layer, intermediate layer and antistatic backing; Described base material is PET film layer, described adhesive layer is coated with below described PET film layer, the back side of described adhesive layer is provided with described intermediate layer, described antistatic backing is applied below described intermediate layer, described PET film layer and described intermediate layer are provided with twice dotted cut in cover strip both sides, and described dotted cut positional symmetry is arranged.Pass through technique scheme, the utility model is originally by being provided with dotted cut at substrate layer and intermediate layer, ensure that cover strip is continuous when peeling off at a high speed, polyethylene glycol coating effectively prevent electrostatic and damages electronic unit simultaneously, in automatic attachment process, do not have harmful effect.
Description
Technical field
The utility model relates to electronics and produces sheet encapsulation consumptive material field, is specifically related to a kind of cover strip.
Background technology
In recent years, chip part after the resettlement section being stored in the carrier band formed continuously at certain intervals, as the rear transport sealed by cover strip.At the electronic unit that will be stored in carrier band by during to electronic circuit board etc., at a high speed and peel off cover strip continuously and electronic unit is taken out one by one.
When using this carrier band, when carrying, storage etc., due to the friction between the resettlement section of the electronic unit with carrier band that are stored in carrier band or cover strip or contact, therefore electrostatic may be produced.In electronic unit, the thickness of the element monomer downsizing that semiconductor microminiaturization brings and oxide-film reduces to cause the disintegration voltage of semiconductor to reduce, thus is easily subject to electrostatic breakdown.
In addition, existing cover strip is difficult to the two problems simultaneously improving stripping and electrostatic breakdown at a high speed.
Utility model content
For solving the problems of the technologies described above, we have proposed a kind of cover strip, by being provided with dotted cut at substrate layer and intermediate layer, ensureing that cover strip is continuous when peeling off at a high speed, simultaneously polyethylene glycol coating effectively prevent electrostatic and damages electronic unit, in automatic attachment process, do not have harmful effect.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of cover strip, comprises base material, adhesive layer, intermediate layer and antistatic backing; Described base material is PET film layer, described adhesive layer is coated with below described PET film layer, the back side of described adhesive layer is provided with described intermediate layer, described antistatic backing is applied below described intermediate layer, described PET film layer and described intermediate layer are provided with twice dotted cut in cover strip both sides, and described dotted cut positional symmetry is arranged.
Preferably, described antistatic backing is for stating polyethylene glycol coating.
Preferably, described intermediate layer is oligomerisation of ethylene layer.
Preferably, described adhesive layer is thermoplastic resin.
Pass through technique scheme, the utility model is originally by being provided with dotted cut at substrate layer and intermediate layer, ensure that cover strip is continuous when peeling off at a high speed, polyethylene glycol coating effectively prevent electrostatic and damages electronic unit simultaneously, in automatic attachment process, do not have harmful effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of cover strip disclosed in the utility model embodiment 1.
Numeral and the corresponding component title represented by letter in figure:
1. base material 2. adhesive layer 3. intermediate layer 4. antistatic backing 5. dotted cut.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the utility model is described in further detail.
Principle of the present utility model: by cutting the dotted line of picture in advance in base material and intermediate layer, in the intensity by adhesive layer and antistatic backing, ensure that cover strip does not drop electronic component in transportation, simultaneously cutting of dotted line strong ensure that cover strip can be peeled off fast when attachment automatically, and antistatic etc. ensure that electronic component is not subject to the destruction of electrostatic.
Embodiment 1.
As shown in Figure 1, a kind of cover strip, comprises base material 1, adhesive layer 2, intermediate layer 3 and antistatic backing 4; Described base material is PET film layer, described adhesive layer is coated with below described PET film layer, the back side of described adhesive layer is provided with described intermediate layer, described antistatic backing is applied below described intermediate layer, described PET film layer and described intermediate layer are provided with twice dotted cut 5 in cover strip both sides, and described dotted cut positional symmetry is arranged; Described antistatic backing is for stating polyethylene glycol coating; Described intermediate layer is oligomerisation of ethylene layer; Described adhesive layer is thermoplastic resin.
Pass through technique scheme, the utility model is originally by being provided with dotted cut at substrate layer and intermediate layer, ensure that cover strip is continuous when peeling off at a high speed, polyethylene glycol coating effectively prevent electrostatic and damages electronic unit simultaneously, in automatic attachment process, do not have harmful effect.
Above-described is only a kind of cover strip preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. a cover strip, is characterized in that, comprises base material, adhesive layer, intermediate layer and antistatic backing; Described base material is PET film layer, described adhesive layer is coated with below described PET film layer, the back side of described adhesive layer is provided with described intermediate layer, described antistatic backing is applied below described intermediate layer, described PET film layer and described intermediate layer are provided with twice dotted cut in cover strip both sides, and described dotted cut positional symmetry is arranged.
2. a kind of cover strip according to claim 1, is characterized in that, described antistatic backing is for stating polyethylene glycol coating.
3. a kind of cover strip according to claim 2, is characterized in that, described intermediate layer is oligomerisation of ethylene layer.
4. a kind of cover strip according to claim 2, is characterized in that, described adhesive layer is thermoplastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055122.0U CN204586018U (en) | 2015-01-26 | 2015-01-26 | A kind of cover strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055122.0U CN204586018U (en) | 2015-01-26 | 2015-01-26 | A kind of cover strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586018U true CN204586018U (en) | 2015-08-26 |
Family
ID=53922210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055122.0U Expired - Fee Related CN204586018U (en) | 2015-01-26 | 2015-01-26 | A kind of cover strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905433A (en) * | 2016-07-06 | 2016-08-31 | 成都格虹电子科技有限责任公司 | Cover tape |
| CN107791638A (en) * | 2017-10-26 | 2018-03-13 | 深圳市中欧新材料有限公司 | A kind of cover strip and its application method |
| CN108584148A (en) * | 2018-06-15 | 2018-09-28 | 广州市中载电子科技有限公司 | A kind of cover strip structure |
-
2015
- 2015-01-26 CN CN201520055122.0U patent/CN204586018U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905433A (en) * | 2016-07-06 | 2016-08-31 | 成都格虹电子科技有限责任公司 | Cover tape |
| CN107791638A (en) * | 2017-10-26 | 2018-03-13 | 深圳市中欧新材料有限公司 | A kind of cover strip and its application method |
| CN107791638B (en) * | 2017-10-26 | 2020-05-01 | 深圳市中欧新材料有限公司 | Cover tape and using method thereof |
| CN108584148A (en) * | 2018-06-15 | 2018-09-28 | 广州市中载电子科技有限公司 | A kind of cover strip structure |
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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: 20150826 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |