CN201898658U - Retractable printed circuit board - Google Patents
Retractable printed circuit board Download PDFInfo
- Publication number
- CN201898658U CN201898658U CN2010206087468U CN201020608746U CN201898658U CN 201898658 U CN201898658 U CN 201898658U CN 2010206087468 U CN2010206087468 U CN 2010206087468U CN 201020608746 U CN201020608746 U CN 201020608746U CN 201898658 U CN201898658 U CN 201898658U
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- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- layer
- telescopic
- pcb
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- 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 - Lifetime
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Abstract
The utility model provides a retractable printed circuit board, which comprises a circuit layer, a protective layer and an elastic retractable layer. The elastic retractable layer, together with the protective layer, encases the circuit layer, and the elastic retractable layer adopts an involute-shaped structure. The retractable printed circuit board has the advantages of capability of extending, stretching and retracting arbitrarily in three-dimensional space direction, and wide application range.
Description
Technical field
The utility model relates to a kind of printed circuit board (PCB), relates in particular to a kind of telescopic printed circuit board (PCB) that can stretch in the three dimensions any direction.
Background technology
Towards development light, thin, short, littleization, corresponding printed circuit board (PCB) also faces high accuracy, graph thinning, highdensity challenge with electronic product.The trend of world market printed circuit board (PCB) is to introduce blind, buried via hole in the high density interconnect product, thereby more effective saving space makes that live width is thinner, distance between centers of tracks is narrower.Yet existing printed circuit board (PCB) does not have retractility, can only be used for limited in-plane.
Along with the continuous development of modern medicine, the especially development of human life, people wish the electronic component circuit plate is inserted in the human body, with convenient disease detection of human body being carried out zero injury.Hence one can see that, use to have elastic characteristic, and the circuit board of the free expansion performance of any direction tool seems particularly necessary in three dimensions.
Yet existing printed circuit board (PCB) can't be realized retractility owing to technology, material, and its application is very limited.
The utility model content
Can't realize the problem that elastic telescopic, three dimensions any direction extend at the prior art printed circuit board (PCB), the utility model provides a kind of printed circuit board (PCB) that can freely extend in the three dimensions any direction.
A kind of telescopic printed circuit board (PCB) comprises line layer, protective layer and elastic telescopic layer, and this elastic telescopic layer cooperates this protective layer to coat this line layer, and this elastic telescopic layer is involute shape structure.
As the further improvement of above-mentioned telescopic printed circuit board (PCB), this protective layer is a kind of heat resistant resin film that is coated with adhesive, and this protective layer of this adhesive is in this elastic telescopic layer.
As the further improvement of above-mentioned telescopic printed circuit board (PCB), the gross thickness of the gross thickness of this line layer and this protective layer approximates 0.1 millimeter.
As the further improvement of above-mentioned telescopic printed circuit board (PCB), this elastic telescopic layer is formed by silicon rubber.
As the further improvement of above-mentioned telescopic printed circuit board (PCB), this retractility printed circuit board (PCB) shape in the shape of a spiral stretches.
Telescopic printed circuit board (PCB) of the present utility model; because this elastic telescopic layer self has good ductility and elasticity; simultaneously because this elastic telescopic layer cooperates this protective layer to coat this line layer; so according to this physical characteristic; when the extension of this elastic telescopic layer, the whole printed circuit board (PCB) of the drive any direction in three dimensions that extends freely stretch, so retractility printed circuit board (PCB) of the present utility model has elastic telescopic and crooked characteristic.In addition, because this elastic telescopic layer is the setting of involute shape structure, make that whole printed circuit board (PCB) can be basic point with the center of involute, shape coiling structure realizes the extension perpendicular to described printed circuit board (PCB) direction in the shape of a spiral.Therefore telescopic printed circuit board (PCB) of the present utility model also has the atomic little characteristic of volume, be applicable to therapeutic treatment such as implant into body or be integrated in the clothing, and special military domain has the advantage of applied range.
Description of drawings
Fig. 1 is the fragmentary side cross-sectional view of the telescopic printed circuit board (PCB) of the utility model.
Fig. 2 is the planar structure schematic diagram of telescopic printed circuit board (PCB) shown in Figure 1.
Fig. 3 is the another kind of structural representation of telescopic printed circuit board (PCB) shown in Figure 2.
Fig. 4 is the three dimensions extended structure schematic diagram of telescopic printed circuit board (PCB) shown in Figure 2.
Fig. 5 is another structural representation of the telescopic printed circuit board (PCB) of the utility model.
Embodiment
Seeing also Fig. 1, is the fragmentary side cross-sectional view of the telescopic printed circuit board (PCB) of the utility model.As the utility model one best implementation; this telescopic printed circuit board (PCB) 1 comprises: elastic telescopic layer 10, line layer 20 and protective layer 30, wherein line layer 20 comprises 3 conducting wire 201, conducting wire 202, conducting wires 203 that formed by conductive material.The edge is direction from bottom to top, and this elastic telescopic layer 10, line layer 20 and protective layer 30 are cascading, and make this line layer 20 be located between this elastic telescopic layer 10 and this protective layer.The gross thickness of this circuit layer 20 and this protective layer 30 approximates 0.1 millimeter (mm).
This elastic telescopic layer 10 can be to adopt silastic material to make, and it has certain elasticity, under external force, and can be in all directions generation strain to a certain degree.
This line layer 20 is to be formed by the wire conductive material, and as materials such as copper, tungsten, it is in order to realize the signal of telecommunication transmission of this printed circuit board (PCB) 1.This lead is 201 insulated from each other, the space is set to 0.1 millimeter, and this line layer 20 can be to be formed at this elastic telescopic layer 10 surfaces by the calendering mode, can also be that the mode by deposition-etch is formed at described elastic telescopic layer 10 surface.
This protective layer 30 is insulating protective films that pressing is formed at these circuit layer 20 surfaces, and it cooperates these elastic telescopic layer 10 clampings to coat this line layer 20.In the present embodiment; this protective layer 30 is a kind of heat-resistant resin films that scribble adhesive; this adhesive in order to this protective layer 30 that is adhesively fixed in the surface of this elastic telescopic layer 10; cooperate this elastic telescopic layer 10 to surround receiving space simultaneously to accommodate described line layer 20 and the conducting wire 201 in this line layer 20, conducting wire 202 and conducting wire 203 insulation are separated; that is coating is provided with between this line layer 20 and this protective layer 30 and this elastic telescopic layer 10.This heat-resistant resin film has good thermal conductivity and good insulation property, is used for insulating and protective circuit, avoids the influence of external environment to line layer 20.
Seeing also Fig. 2 again, is the planar structure schematic diagram of telescopic printed circuit board (PCB) 1 shown in Figure 1.This telescopic printed circuit board (PCB) 1 integral body is the setting of involute shape structure, and the plane, involute structure place of setting this telescopic printed circuit board (PCB) 1 is the XY plane, is the Z direction perpendicular to the direction on this XY plane.At the XY in-plane, there is an interval 25 between per two adjacent telescopic printed circuit board (PCB) 1 bodies, this guarantees that effectively each part of this telescopic printed circuit board (PCB) 1 is insulated from each other each other in 25 districts at interval.The frictional influence that brings owing to stretching can be reduced in this interval 25 simultaneously.
This elastic telescopic layer 10 is as the elastic substrate layer, when supporting this line layer 20, the elastical retraction power of stretching is provided for whole printed circuit board (PCB).This line layer 20 is bonded in this elastic telescopic layer 10 surfaces, because the effect of elastical retraction power, this line layer 20 can be owing to deformation changes resistance value.When this elastic telescopic layer 10 when the Z direction produces displacement, drive this line layer 20 and produce displacement simultaneously, make that thus this telescopic printed circuit board (PCB) 1 can freely extend in the Z direction.
See also Fig. 3 again, it is the three-dimensional structure schematic diagram that telescopic printed circuit board (PCB) 1 shown in Figure 2 is in extended state.This band shape can stretch that printed circuit board (PCB) is can be in three dimensions flexible arbitrarily, extension or extension deformation.
Should be telescopic during printed circuit board (PCB) 1 when assembling, at first, provide this line layer 20 and this protective layer 30, the composite bed of the formation involute shape structure that is bonded; Then, bond together with this elastic telescopic layer 10 again.
In this telescopic printed circuit board (PCB) 1, this line layer 20 is arranged on this elastic telescopic layer 10 surfaces, guarantee that this telescopic printed circuit board (PCB) 1 in the limit of setting elastic deformation takes place in the XY plane.Simultaneously, because this telescopic printed circuit board (PCB) 1 integral body is the setting of involute shape structure, make that this telescopic printed circuit board (PCB) 1 can be around the shape stretching, extension in the shape of a spiral of the center of this involute shape structure, realize that this telescopic printed circuit board (PCB) 1 is in the Z direction perpendicular to the XY plane, freely extend, stretch, improve the deformability scope and the range of application of whole telescopic printed circuit board (PCB) 1 greatly.
Seeing also Fig. 4, is the three dimensions extended structure schematic diagram of telescopic printed circuit board (PCB) shown in Figure 2.And wherein a kind of frame mode that just its three dimensions that Fig. 4 showed extends, this telescopic printed circuit board (PCB) 1 can also be realized other extension, extension mode.Every form of any direction extension in the three dimensions that is is all within protection scope of the present invention.
To sum up, this telescopic printed circuit board (PCB) 1 can produce displacement and deformation in XY direction and Z direction simultaneously, realizes any telescopic shape change of three-dimensional thus.
See also Fig. 5, in this telescopic printed circuit board (PCB) 1, this elastic telescopic layer 10, this protective layer 30 cooperate an insulating barrier (figure does not show) to surround a receiving space, to accommodate conducting wire 201, conducting wire 202, the conducting wire 203 that this line layer 20 is set, particularly, other implementation of the telescopic printed circuit board (PCB) of the utility model 1 comprises situation one, during width such as line layer 20 and elastic telescopic layer 10, need in addition at the ultra-thin insulating barrier of this telescopic printed circuit board (PCB) 1 coating on both sides; Situation two, when perhaps arbitrary side of line layer 20 and elastic telescopic layer are wide, also need to apply ultra-thin insulating barrier at this telescopic printed circuit board (PCB) 1 homonymy in addition, prevent because the phenomenons such as electric leakage contact that structural reason causes, to guarantee the global reliability of this telescopic printed circuit board (PCB) 1.Remove this and think, the line layer 20 of the telescopic printed circuit board (PCB) 1 of the utility model also comprises the situation of 2 or many conducting wires, and described various situations of change all should be within protection range of the present utility model.In addition, because elastic extension and bendability that this telescopic printed circuit board (PCB) 1 has, characteristics such as resistance value is unaffected, and itself is harmless, so can or be integrated in clothes and other fabrics this telescopic printed circuit board (PCB) 1 implant into body, and can be applicable to the advantage of special military domain.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. a telescopic printed circuit board (PCB) comprises line layer and protective layer, it is characterized in that: further comprise the elastic telescopic layer, this elastic telescopic layer cooperates this protective layer to coat this line layer, and this elastic telescopic layer is involute shape structure.
2. according to the telescopic printed circuit board (PCB) of claim 1, it is characterized in that: this protective layer is a kind of heat resistant resin film that is coated with adhesive, and this protective layer of this adhesive is in this elastic telescopic layer.
3. according to the telescopic printed circuit board (PCB) of claim 1, it is characterized in that: the gross thickness of this line layer and this protective layer approximates 0.1 millimeter.
4. according to the telescopic printed circuit board (PCB) of claim 1, it is characterized in that: this elastic telescopic layer is formed by silicon rubber.
5. according to the telescopic printed circuit board (PCB) of claim 1, it is characterized in that: this retractility printed circuit board (PCB) shape in the shape of a spiral stretches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206087468U CN201898658U (en) | 2010-11-16 | 2010-11-16 | Retractable printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206087468U CN201898658U (en) | 2010-11-16 | 2010-11-16 | Retractable printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201898658U true CN201898658U (en) | 2011-07-13 |
Family
ID=44256539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206087468U Expired - Lifetime CN201898658U (en) | 2010-11-16 | 2010-11-16 | Retractable printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201898658U (en) |
-
2010
- 2010-11-16 CN CN2010206087468U patent/CN201898658U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110713 |