CN206811266U - Based on fpc golden finger laser soldering apparatus - Google Patents
Based on fpc golden finger laser soldering apparatus Download PDFInfo
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- CN206811266U CN206811266U CN201621093417.8U CN201621093417U CN206811266U CN 206811266 U CN206811266 U CN 206811266U CN 201621093417 U CN201621093417 U CN 201621093417U CN 206811266 U CN206811266 U CN 206811266U
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- laser
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- temperature
- golden finger
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Abstract
The utility model discloses one kind and is based on FPC golden finger laser soldering apparatus, including being preheated to the first wave length laser of design temperature and the second wave length laser of the weld heating different from first wave length to welding area illumination, and the first wave length laser and the controller of second wave length laser sequential transmission laser and laser irradiation time can be controlled.During welding, first FPC golden fingers weld zone is preheated by first wave length laser, reaches preset temperature, then melts soldering tin connecting PCB board and golden finger are made to preheated volumes weld heating by second wave length laser.Golden finger area is preheated using the laser of two kinds of different wave lengths according to material speciality, it is possible to reduce the reflection to laser, when temperature reaches setting, weld heating is carried out using second wave length laser, melts soldering tin is realized welding.FPC welding positions can be avoided because temperature-raising characteristic is different, cause that portion of material reaches welding temperature and portion of material has destroyed, improve welding efficiency and welding quality.
Description
Technical field
Laser welding technology field is the utility model is related to, more particularly to one kind is based on FPC golden finger laser soldering apparatus.
Background technology
FPC (Flexible Printed Circuit Board, flexible print circuit board), possess free bend, folding,
The advantages that winding.During completed knocked down products, FPC can arbitrarily be arranged as wire according to the layout in interiors of products space, from
And the component that can arbitrarily be arranged in three dimensions, thus be widely used in miniaturized electronic product, such as intelligent hand, put down
Plate computer etc..FPC is mainly base material in copper-clad plate thereon (FCCL), FPC wiring boards using polyimides (PI) or polyester (PET)
Flexible copper-clad plate (FCCL) has two kinds, it is a kind of be it is gluing, another kind without glue, wherein have glue bePIFilm applies gluing again
It is bonded together with copper foil.Flexible copper-clad plate without glue has two kinds of ways, one kind be withPIFilm is carrier, in its surface immersion plating
Copper foil, another way are exactly carrier with copper foil, and liquid PI, resolidification are coated in copper foil surface.
It is (to typically refer to be connected with copper-clad plate signal by the golden finger on FPC when FPC and pcb board are welded
Coating gold on conductive contact blade, it is not oxidizable because gold metal stability is good, can improve signal connection stability and can
By property) carry out solidification with circuit on pcb board and be connected, form reliable and stable signal connection, the space between golden finger is limited, very
Hardly possible is welded using traditional manual method.Although laser welding has the incomparable advantage of manual welding, but have in space
Realize welding, the efficiency high of welding in the region of limit.But the welding assembly formed using laser to multiple material is easy when connecing
There is uneven heating and destroy part thereof or solder joint wild effect.I.e. due to the particularity of FPC base materials, entering Laser Welding of advancing
Golden finger area is high to laser reflectivity when connecing, thus needs to irradiate longer time, just can guarantee that the tin fusing as solder,
And the FPC base materials of golden finger area are not high to the reflectivity of laser, increase laser irradiation time, also easily make base material because of temperature
Degree is raised and destroyed.
Utility model content
The utility model is based on FPC golden finger laser soldering apparatus, the base mainly solving the technical problems that providing one kind
The welding position that unlike material forms is avoided to cause part material because temperature-raising characteristic is different in FPC golden finger laser soldering apparatus
Material reach welding temperature and portion of material temperature is too high is destroyed, improve welding efficiency and welding quality.
In order to solve the above-mentioned technical problem, the utility model provides one kind and is based on FPC golden finger laser soldering apparatus, the base
In FPC golden finger laser soldering apparatus include to welding area illumination be preheated to design temperature first wave length laser and with
The second wave length laser of first wave length difference weld heating, and the first wave length laser and second wave length can be controlled to swash
The controller of light device sequential transmission laser and laser irradiation time.
Further say, the laser soldering apparatus also includes detection golden finger temperature and the temperature being connected with controller signals
Spend sensor, the temperature control first laser device irradiation time that the controller gathers according to temperature sensor.
Further say, the optical maser wavelength of the first wave length laser is 450nm.
Further say, the optical maser wavelength of the second wave length laser is 980nm.
Further say, the temperature sensor includes infrared temperature sensor.
Utility model
The utility model is based on FPC golden finger laser soldering apparatus, including is preheated to setting temperature to welding area illumination
The first wave length laser of degree and the second wave length laser with first wave length difference weld heating, and described first can be controlled
Long wavelength laser and the controller of second wave length laser sequential transmission laser and laser irradiation time.During welding, in controller
Control under the laser of first wave length is first sent by first wave length laser the weld zone of FPC golden fingers is preheated, make
It reaches preset temperature, then sends the laser of second wave length to the basic region for keeping pre-heating temperature by second wave length laser
Weld heating is carried out, the scolding tin of fusing makes golden finger be connected with pcb board.Because the laser using different wave length is to a variety of materials
The golden finger area of material composition is preheated, it is possible to reduce the reflection to laser, is improved the efficiency of heating, is set when temperature reaches
Regularly, weld heating is carried out using second wave length laser, melts soldering tin is realized welding.FPC unlike materials can be avoided to form
Welding position due to temperature-raising characteristic it is different, cause portion of material reach welding temperature and portion of material temperature it is too high by
Destroy, improve welding efficiency and welding quality.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, and the accompanying drawing in describing is this practicality
Some new embodiments, to those skilled in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is to be based on the electric schematic block diagram of FPC golden finger laser soldering apparatus embodiments.
With reference to embodiment, and referring to the drawings, realization, functional characteristics and advantage to the utility model purpose are made into one
Walk explanation.
Embodiment
In order that the purpose, technical scheme and advantage of utility model are clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described reality
It is utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained on the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
Such as Fig. 1, the utility model provides one kind and is based on FPC golden finger laser soldering apparatus embodiments.
It should be included based on FPC golden finger laser soldering apparatus：The first wave length laser 2 of first wave length laser can be produced
The second wave length laser 3 of the second wave length laser different from first wave length laser with that can produce, and described first can be controlled
Long wavelength laser 2 and the controller 1 of the sequential transmission laser of second wave length laser 3 and laser irradiation time, wherein described first
Long wavelength laser 2 is first pre-heated to certain temperature to welding region, then by the weld heating of second wave length laser 3.
Specifically, the first wave length laser 2 is first pre-heated to default temperature, default temperature to welding region
Gathered and obtained by limited experimentation according to dissimilar material properties, the material of welding is different, and corresponding preset temperature numerical value is also different.
The controller 1 can not only control the preheating of first wave length laser 2 and second wave length laser 3 welds sequencing, while
The preheating of first wave length laser 2 and the weld interval of second wave length laser 3 can be controlled, the preheating time and weld interval are according to temperature
The real time temperature data of degree sensor input determine.The temperature sensor is used to gather preheated zone and welding region in real time
Temperature, better ensure that welding effect, avoid the occurrence of burn-through phenomenon.The temperature sensor is not particularly limited, in this reality
Apply and infrared temperature sensor is preferably used in example.As needed, the laser of the first wave length laser 2 can select wavelength for
450nm laser, the laser of the second wave length laser 3 can select laser of the wavelength for 980nm.
During welding, the laser of first wave length is first sent to FPC gold hands by first wave length laser under the control of the controller
The weld zone of finger is preheated, and reaches preset temperature, then the laser pair of second wave length is sent by second wave length laser
The basic region for keeping pre-heating temperature carries out weld heating, and the scolding tin of fusing makes golden finger be connected with pcb board.Due to adopting
The golden finger area formed with the laser of different wave length to multiple material preheats, it is possible to reduce the reflection to laser, carries
The efficiency of height heating, when temperature reaches setting, weld heating is carried out using second wave length laser, melts soldering tin is realized weldering
Connect.The welding position that FPC unlike materials form can be avoided to cause portion of material to reach welding temperature because temperature-raising characteristic is different
And temperature is too high is destroyed for portion of material, welding efficiency and welding quality are improved.
On the basis of above-described embodiment, the utility model also provides a kind of real based on FPC golden finger laser soldering method
Apply example.
It should be included based on FPC golden finger laser soldering methods：
Preheating steps, preheating is irradiated to welding region using the laser that first wave length laser is sent, makes weldering
Connect regional temperature and reach design temperature；
To preheated volumes welding step, using the different second wave length of the optical maser wavelength sent from first wave length laser
Laser caused by laser is to keeping the preheating welding region of preheating temperature to carry out weld heating until melts soldering tin, makes golden hand
Finger is connected with pcb board.
Specifically, the first wave length laser 2 can produce first wave length laser, and the first wave length laser can be ripple
A length of 450nm laser.The second wave length laser 3 can produce second wave length laser, and it can be that wavelength is that second wave length, which swashs,
980nm laser.The first wave length laser 2 and second wave length laser 3 are controlled by controller 1 respectively, can be pressed pre-
If order first to first being preheated to welding region by first wave length laser 2, when pre-heating temperature reaches the value of setting
When, then control second wave length laser 3 welds to pre-warmed welding region in time, pre-warmed time and pre-warmed
Material that temperature forms according to golden finger is different and the power of laser determines, can be obtained by way of limited experimentation pre-
Heat the time of the temperature reached and corresponding laser power relation.The controller 1 can not only control first wave length laser 2
Preheating and second wave length laser 3 weld sequencing, while can also control the weld interval of second wave length laser 3, the welding
Time and welding temperature can determine according to factors such as the power of second wave length laser 3, welding materials.The welding temperature
It can be gathered in real time by temperature sensor with pre-heating temperature, the temperature sensor can use infrared temperature sensor.
During welding, the laser of first wave length is first sent to FPC gold by first wave length laser 2 under the control of controller 1
The weld zone of finger is preheated, and pre-heating temperature is gathered in real time by temperature sensor, when pre-warmed temperature reaches default
During temperature, controller 1 makes first wave length laser 2 be stopped, and controls second wave length laser 3 to send second wave length in time
Laser carry out weld heating to the basic region for keeping pre-heating temperature, the scolding tin of fusing makes golden finger be connected with pcb board to consolidate
Fixed, in weld heating, the temperature sensor gathers welding temperature revertive control device and fed back in real time, controls weld interval.
Because the golden finger area formed using the laser of different wave length to multiple material is preheated, it is possible to reduce right
The reflection of laser, the efficiency of heating is improved, when temperature reaches setting, weld heating is carried out using second wave length laser, makes weldering
Welding is realized in tin fusing.The welding position that FPC unlike materials form can be avoided to cause portion of material because temperature-raising characteristic is different
Reach welding temperature and portion of material temperature is too high is destroyed, improve welding efficiency and welding quality.
In the present embodiment, the power of the first wave length laser and second wave length laser is not construed as limiting, according to need
10-20kW laser can be used.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic, and these
Modifications or substitutions, the essence of appropriate technical solution is not set to depart from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (5)
1. it is based on FPC golden finger laser soldering apparatus, it is characterised in that including being preheated to design temperature to welding area illumination
First wave length laser and second wave length laser with first wave length difference weld heating, and the first wave can be controlled
Long laser and the controller of second wave length laser sequential transmission laser and laser irradiation time.
2. according to claim 1 be based on FPC golden finger laser soldering apparatus, it is characterised in that：The laser soldering dress
Putting also includes detection golden finger temperature and the temperature sensor being connected with controller signals, and the controller is according to temperature sensor
The temperature control first wave length laser illumination time of collection.
3. according to claim 1 or 2 be based on FPC golden finger laser soldering apparatus, it is characterised in that：The first wave length
The optical maser wavelength of laser is 450nm.
4. according to claim 1 or 2 be based on FPC golden finger laser soldering apparatus, it is characterised in that：Second ripple swashs
The optical maser wavelength of light device is 980nm.
5. according to claim 2 be based on FPC golden finger laser soldering apparatus, it is characterised in that：The temperature sensor
Including infrared temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621093417.8U CN206811266U (en) | 2016-09-28 | 2016-09-28 | Based on fpc golden finger laser soldering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621093417.8U CN206811266U (en) | 2016-09-28 | 2016-09-28 | Based on fpc golden finger laser soldering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206811266U true CN206811266U (en) | 2017-12-29 |
Family
ID=60750534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621093417.8U Withdrawn - After Issue CN206811266U (en) | 2016-09-28 | 2016-09-28 | Based on fpc golden finger laser soldering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206811266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270877A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | Based on FPC golden finger laser soldering apparatus and welding method |
| CN114309938A (en) * | 2021-07-22 | 2022-04-12 | 苏州桐力光电股份有限公司 | Laser binding method for touch screen |
| CN114713925A (en) * | 2022-02-16 | 2022-07-08 | 深圳市鹏汇激光科技有限公司 | Laser soldering control method, device and system and computer readable storage medium |
-
2016
- 2016-09-28 CN CN201621093417.8U patent/CN206811266U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270877A (en) * | 2016-09-28 | 2017-01-04 | 深圳市艾贝特电子科技有限公司 | Based on FPC golden finger laser soldering apparatus and welding method |
| CN114309938A (en) * | 2021-07-22 | 2022-04-12 | 苏州桐力光电股份有限公司 | Laser binding method for touch screen |
| CN114713925A (en) * | 2022-02-16 | 2022-07-08 | 深圳市鹏汇激光科技有限公司 | Laser soldering control method, device and system and computer readable storage medium |
| CN114713925B (en) * | 2022-02-16 | 2024-05-14 | 深圳市鹏汇激光科技有限公司 | Laser soldering tin control method, device and system and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20191115 |
|
| AV01 | Patent right actively abandoned |