CN101340780A - Flexible circuit substrate having coiling portion and manufacturing method thereof - Google Patents
Flexible circuit substrate having coiling portion and manufacturing method thereof Download PDFInfo
- Publication number
- CN101340780A CN101340780A CNA2007101229588A CN200710122958A CN101340780A CN 101340780 A CN101340780 A CN 101340780A CN A2007101229588 A CNA2007101229588 A CN A2007101229588A CN 200710122958 A CN200710122958 A CN 200710122958A CN 101340780 A CN101340780 A CN 101340780A
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- coiling portion
- flexible circuit
- base board
- heated mould
- circuit base
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Abstract
The invention provides a soft circuit substrate with a coiling part and a preparation method used for the coiling part. The preparation method of the coiling part comprises the steps as follows: firstly, the areas of a soft circuit substrate to be coiled are coiled on a shaping rod so as to form the embryo of the first coiling part; subsequently, the soft circuit substrate is fixed; finally, the unshaped coiling part is heated till the coiling part is softened; subsequently, the softened coiling part is cooled so as to form a shaped coiling part; subsequently, the shaped coiling part is moved out of the coiling part.
Description
Technical field
What the present invention relates to is a kind of flexible circuit base board, the flexible circuit base board of particularly a kind of tool coiling portion and the manufacture method that forms described coiling portion.
Background technology
Along with making rapid progress of electronics technology, the portable electronic apparatus that people had is also more and more many, and these portable electronic apparatus are for example dialled the machine of putting for electronic dictionary or portable digital audio-video.On the market, electronic dictionary generally is made up of upper and lower two housings at present, and upper shell is provided with screen, and lower house then is provided with keyboard, and upper shell and lower house are to be articulated by a rotating shaft.And upper shell and lower house are equiped with a circuit substrate respectively, so that various electrical signals are handled.
See also Fig. 1, Fig. 1 is the interior views of an electronic dictionary.This electronic dictionary 100 has a upper shell 110 and a lower house 120, and upper shell 110 is articulated by a rotating shaft 130 with lower house 120.Have one first circuit substrate 112 within the upper shell 110, described first circuit substrate 112 mainly is used in to be handled and the relevant electrical signal of screen output.In addition, have a second circuit substrate 122 within the lower house 120, described second circuit substrate 122 mainly is used in to be handled and the relevant electrical signal of keyboard input.Between first circuit substrate 112 and second circuit substrate 122, then by a flexible circuit base board 140 to carry out the transmission of electrical signal.
Because the relation in the design, flexible circuit base board 140 need be reeled in the part through rotating shaft 130, and this part of being reeled is called the coiling portion 142 of flexible circuit base board 140.
At present, when assembling electronic dictionary 100, general way is that assembler directly utilizes hand to bend out a coiling portion 142 at flexible circuit base board 140, and the two ends that will have the flexible circuit base board 140 of this coiling portion 142 afterwards again are installed in respectively on first circuit substrate 112 and the second circuit substrate 122.
Yet, when a large amount of production, uses above-mentioned mode and the coiling portion 142 that forms, can produce the situation that the geomery of coiling portion 142 can't be unified, contact with the housing of rotating shaft 130 and cause the coiling portion 142 of some flexible circuit base board 140 to understand.Perhaps, at coiling portion 142 places, flexible circuit base board 140 can touch each other mutually.And, even the control of the geomery of coiling portion 142 is proper, but because coiling portion 142 can have residual stress after bending existence, so the time one is long afterwards, coiling portion 142 still can produce distortion, and touches with the housing generation of rotating shaft 130.Thus, when the user when pulling upper shell 110, coiling portion 142 just can rub mutually with the housing of rotating shaft 130 and produce noise, and then causes user's puzzlement.
Therefore, how guaranteeing that coiling portion 142 can not produce friction with the housing of rotating shaft 130, is to be worth this area to have to know that usually the knowledgeable considers ground.
Summary of the invention
The purpose of this invention is to provide the flexible circuit base board of a kind of tool coiling portion and the manufacture method of described coiling portion, described coiling portion can not produce friction with the housing of rotating shaft.
According to above-mentioned purpose and other purpose, the invention provides a kind of manufacture method that on flexible circuit base board, forms coiling portion.This manufacture method may further comprise the steps: at first, the zone that a flexible circuit base board desire is reeled is wound on the typing rod, to form the embryo of a coiling portion; Then, flexible circuit base board is fixed; Afterwards, unshaped coiling portion is heated produce until coiling portion softening; Come again, softening coiling portion is cooled off, to form the coiling portion of a typing; Then, the coiling portion with typing shifts out from the rod of finalizing the design.
In the above-mentioned manufacture method that forms coiling portion on flexible circuit base board, the typing rod is arranged on the anchor clamps, and described anchor clamps also comprise at least two holding part, and these holding part are used in seizes flexible circuit base board on both sides by the arms.
In the above-mentioned manufacture method that on flexible circuit base board, forms coiling portion, be to utilize a heater that described unshaped coiling portion is heated.Heater comprises on one heated mould and heated mould once, and heated mould and following heated mould have first groove and second groove respectively this on.Wherein, first groove is corresponding with second groove, and the step that described unshaped coiling portion is heated comprises: at first, will go up heated mould and be heated to a predetermined temperature with following heated mould, this predetermined temperature for example is 180 ℃; Then, the unshaped coiling deployment that is wound on the typing rod is placed between heated mould and the following heated mould; Come again, make heated mould and following heated mould matched moulds, so that the wall of first groove and second groove carries out hot pressing to described unshaped coiling portion; After a scheduled time (for example: 30 seconds), will go up heated mould and divide mould with following heated mould.
Above-mentioned forming on flexible circuit base board in the manufacture method of coiling portion, last heated mould has a temperature inductor respectively with following heated mould, and this temperature inductor is the contiguous place that is separately positioned on first groove and second groove.
According to above-mentioned purpose and other purpose, the invention provides the flexible circuit base board of a kind of tool coiling portion, the coiling portion of this flexible circuit base board is that from the above mentioned manufacture method is made.
Because coiling portion is after heating, the residual stress of coiling portion can be removed, so compare existing coiling portion, the coiling portion of present embodiment more can not produce distortion in the permanent back of using.And, use the typing rod that the profile of coiling portion is defined, can make the geomery of the coiling portion of institute's output not have the situation that geomery differs than essence.
Description of drawings
Fig. 1 is the interior views of an electronic dictionary;
Fig. 2 is for using the anchor clamps that are to form on the flexible circuit base board coiling portion;
Fig. 3 is a heater, and this heater is to be used in the unshaped coiling portion on the flexible circuit base board is heated;
Fig. 4 A～Fig. 4 C is the manufacturing process that forms coiling portion on flexible circuit base board;
Fig. 5 is the wall of first groove and second groove carries out hot pressing to coiling portion a schematic diagram;
Fig. 6 is the flexible circuit base board with coiling portion of a typing.
Description of reference numerals: 100-electronic dictionary; The 110-upper shell; 112-first circuit substrate; The 120-lower house; 122-second circuit substrate; The 130-rotating shaft; The 140-flexible circuit base board; 142-coiling portion; The 10-anchor clamps; The 12-opening; 14-finalizes the design excellent; The 16-holding part; The 20-heater; The last heated mould of 22-; 22a-first groove; Heated mould under the 24-; 24a-second groove; The 26-vertical walls; The 28-temperature inductor; The 29-transmission line; The 30-placing platform; The 240-flexible circuit base board; 242-coiling portion.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
See also shown in Figure 2ly, it is for the anchor clamps that are on the flexible circuit base board to form coiling portion.The profile of these anchor clamps 10 is the shape of a U font, and the mid portion of anchor clamps 10 has an opening 12, is provided with a typing rod 14 at these opening 12 places, and this typing rod 14 is to be located on the anchor clamps 10.In addition, then be respectively equipped with a holding part 16, in order to seize a flexible circuit base board 240 (illustrating) on both sides by the arms as Fig. 4 A at the two ends of anchor clamps 10.
See also shown in Figure 3ly, it is a heater, and this heater 20 is to be used in the unshaped coiling portion on the flexible circuit base board is heated.Heater 20 comprises on one heated mould 22 and heated mould 24 once, and heated mould 22 is connected with heating tube (not illustrating) respectively with following heated mould 24 this on, and this heating tube is in order to last heated mould 22 and following heated mould 24 are heated.Last heated mould 22 has one first groove 22a and one second groove 24a respectively with following heated mould 24, and this first groove 22a is corresponding with the second groove 24a.In addition, heater 20 also includes a vertical walls 26 and two temperature inductors 28.Last heated mould 22 is to be arranged on the vertical walls 26 by the mode of slipping, and can allow the user adjust according to need and go up the position of heated mould 22 in vertical direction.In addition, two temperature inductors 28 are to be embedded in heated mould 22 and following heated mould 24 respectively and to be positioned at the first groove 22a and the contiguous of the second groove 24a located, and temperature inductor 28 is the temperature that are used in the measurement first groove 22a and the second groove 24a.Above-mentioned temperature inductor 28 is connected with transmission line 29 respectively, and this transmission line 29 is sent to outside information processor (not illustrating) in order to the temperature data that temperature inductor 28 is measured.And the both sides of heater 20 is respectively equipped with a placing platform 30, and anchor clamps 10 shown in Figure 2 can be placed on this placing platform 30.
Below, with introducing the manufacturing process that how on flexible circuit base board, to form coiling portion, see also Fig. 4 A～Fig. 4 C.Please earlier with reference to shown in Fig. 4 A, the zone that desire in the flexible circuit base board 240 is reeled is wound on the typing rod 14, to form the embryo of a coiling portion 242.Then, flexible circuit base board 240 is drawn the Shen to the both sides, and flexible circuit base board 240 is fixed on the anchor clamps 10 with holding part 16.Then, the last heated mould 22 and the following heated mould 24 of heater 20 is heated to a predetermined temperature, this predetermined temperature for example is 180 ℃.
Come again, please refer to shown in Fig. 4 B, anchor clamps 10 are placed on the placing platform 30 of heater 20, and the coiling portion 242 that is wrapped in typing rod 14 is positioned between the first groove 22a and the second groove 24a (seeing also Fig. 3).
Afterwards, please be simultaneously with reference to Fig. 4 C and shown in Figure 5, will go up that heated mould 22 moves down so that itself and following heated mould 24 carry out matched moulds.At this moment, the wall of the first groove 22a and the second groove 24a can carry out hot pressing (as shown in Figure 5) to coiling portion 242.After continuing a scheduled time (about 30 seconds), will go up heated mould 22 again and up move, and the coiling portion 242 that will soften shifts out from heater 20.
Then, softening coiling portion 242 is cooled off.Softening coiling portion 242 can cool off at room temperature, and the coiling portion 242 that perhaps will soften is placed on than cooling off under the low environment of room temperature.After to be cooled the finishing, just can adjust holding part 16 allowing flexible circuit base board 240 get loose, and coiling portion 242 is shifted out from the rod 14 of finalizing the design, just finish the making (please refer to Fig. 6) of the flexible circuit base board 240 of coiling portion 242 with a typing.Afterwards, the assembler of electronic dictionary 100 (as shown in Figure 1) just can be assembled in flexible circuit base board 240 on the electronic dictionary 100.
Owing to after coiling portion 242 heats, the residual stress of coiling portion 242 can be removed, so compare in existing coiling portion 142, the coiling portion 242 of present embodiment more can not produce distortion in the permanent back of using.And, use the profile of 14 pairs of coiling portions 242 of typing rod to define, can make the coiling portion 242 of institute's output more not have the situation that geomery differs.In addition, the wall by the first groove 22a and the second groove 24a carries out hot pressing to coiling portion 242, the shape of coiling portion 242 is also added meet required.Therefore, after the flexible circuit base board 240 of present embodiment was assembled in electronic dictionary 100, its coiling portion 242 more can not rub mutually with the housing of rotating shaft 130 and produce noise.
Certainly, this area has the geomery of knowing the adjustable type rod 14 of adjusting of the knowledgeable usually, and the coiling portion 242 that produces other geomery.And in the above-described embodiment, though coiling portion 242 only carries out the coiling of individual pen, this area has knows that usually the knowledgeable also can carry out the coiling of multi-turn to it.In addition, this area has knows that usually the knowledgeable also can use the 14 pairs of coiling portions 242 of typing rod with heating function directly to heat, and need not to use above-mentioned heater 20.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (12)
1. manufacture method that on flexible circuit base board, forms coiling portion, it is characterized in that: described manufacture method may further comprise the steps:
The zone that one flexible circuit base board desire is reeled is wound on the typing rod, to form the embryo of a coiling portion;
Described flexible circuit base board is fixed;
Described unshaped coiling portion heated produce softening until described coiling portion;
Softening coiling portion is cooled off, to form the coiling portion of a typing; And
The coiling portion of described typing is shifted out from described typing rod.
2. according to the manufacture method that on flexible circuit base board, forms coiling portion of claim 1, it is characterized in that: described typing rod is arranged on the anchor clamps, described anchor clamps also comprise at least two holding part, and described these holding part are in order to seize described flexible circuit base board on both sides by the arms.
3. according to the manufacture method of the flexible circuit base board of the tool coiling portion of claim 1, it is characterized in that: utilize a heater that described unshaped coiling portion is heated, described heater comprises: heated mould and heated mould once on one, described upward heated mould and described heated mould down have one first groove and one second groove respectively, described first groove is corresponding with described second groove, and wherein the step that described unshaped coiling portion is heated comprises:
Described upward heated mould and described heated mould down are heated to a predetermined temperature;
To be wound on the upward also unshaped coiling deployment of described typing rod and be placed on the described heated mould and described down between the heated mould of going up;
Make and describedly go up heated mould and described time heated mould matched moulds, so that the wall of described first groove and described second groove carries out hot pressing to described coiling portion; And
After a scheduled time, divide mould with described upward heated mould and described heated mould down.
4. according to the manufacture method of the flexible circuit base board of the tool coiling portion of claim 3, it is characterized in that: described upward heated mould and described heated mould down have a temperature inductor respectively, and more described temperature inductor is the contiguous place that is separately positioned on described first groove and described second groove.
5. according to the manufacture method of the flexible circuit base board of the tool coiling portion of claim 3, it is characterized in that: described predetermined temperature is 180 ℃.
6. according to the manufacture method of the flexible circuit base board of the tool coiling portion of claim 5, it is characterized in that: the described scheduled time is 30 seconds.
7. the flexible circuit base board of a tool coiling portion, it is characterized in that: the manufacturing process of the coiling portion of described flexible circuit base board comprises the steps:
(a) zone that a flexible circuit base board desire is reeled is wound on the typing rod, to form the embryo of a coiling portion;
(b) described flexible circuit base board is fixed;
(c) described unshaped coiling portion is heated produce softening until described coiling portion;
(d) described unshaped coiling portion is cooled off, to form the coiling portion of a typing; And
(e) the coiling portion with described typing shifts out from described typing rod.
8. according to the flexible circuit base board of the tool coiling portion of claim 7, it is characterized in that: in the manufacturing process of described coiling portion, described typing rod is arranged on the anchor clamps, described anchor clamps also comprise at least two holding part, and more described holding part is used in seizes described flexible circuit base board on both sides by the arms.
9. according to the flexible circuit base board of the tool coiling portion of claim 7, it is characterized in that: in the manufacturing process of described coiling portion, be to utilize a heater that described unshaped coiling portion is heated, described heater comprises on one heated mould and heated mould once, described upward heated mould and described heated mould down have one first groove and one second groove respectively, described first groove is corresponding with described second groove, and wherein (c) step may further comprise the steps:
(c1) described upward heated mould and described heated mould down are heated to a predetermined temperature;
(c2) will be wound on described typing rod and unshaped coiling deployment and be placed on the described heated mould and described down between the heated mould of going up;
(c3) make and describedly go up heated mould and described time heated mould matched moulds, so that the wall of described first groove and described second groove carries out hot pressing to described coiling portion; And
(c4) after a scheduled time, divide mould with the described heated mould of going up with described heated mould down, and will be wound on the excellent coiling portion of described typing and take out from described heater.
10. according to the flexible circuit base board of the tool coiling portion of claim 9, it is characterized in that: in the manufacturing process of coiling portion, described upward heated mould and described heated mould down have a temperature inductor respectively, and more described temperature inductor is the contiguous place that is separately positioned on described first groove and described second groove.
11. according to the flexible circuit base board of the tool coiling portion of claim 9, it is characterized in that: in the manufacturing process of coiling portion, described predetermined temperature is 180 ℃.
12. the flexible circuit base board according to the tool coiling portion of claim 7 is characterized in that: in the manufacturing process of coiling portion, the time of described coiling portion being carried out hot pressing is 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101229588A CN101340780A (en) | 2007-07-04 | 2007-07-04 | Flexible circuit substrate having coiling portion and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101229588A CN101340780A (en) | 2007-07-04 | 2007-07-04 | Flexible circuit substrate having coiling portion and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101340780A true CN101340780A (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101229588A Pending CN101340780A (en) | 2007-07-04 | 2007-07-04 | Flexible circuit substrate having coiling portion and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN101340780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940361A (en) * | 2019-04-18 | 2019-06-28 | 汕头市思朗德自动化科技有限公司 | A kind of automatic curly hair feeding assembly device |
-
2007
- 2007-07-04 CN CNA2007101229588A patent/CN101340780A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940361A (en) * | 2019-04-18 | 2019-06-28 | 汕头市思朗德自动化科技有限公司 | A kind of automatic curly hair feeding assembly device |
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Open date: 20090107 |