CN205862098U - UV-LED parallel light source box for exposing precise outer layer circuit - Google Patents
UV-LED parallel light source box for exposing precise outer layer circuit Download PDFInfo
- Publication number
- CN205862098U CN205862098U CN201620748927.8U CN201620748927U CN205862098U CN 205862098 U CN205862098 U CN 205862098U CN 201620748927 U CN201620748927 U CN 201620748927U CN 205862098 U CN205862098 U CN 205862098U
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- Prior art keywords
- light source
- led
- layer circuit
- pipe
- exposing
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- Expired - Fee Related
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- 239000011324 bead Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 8
- 230000008033 biological extinction Effects 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000004020 luminiscence type Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
The utility model provides a UV-LED parallel light source box for exposing precise outer layer lines, which comprises a box body, wherein a radiator, a UV-LED light source module, a support plate, a reflecting cup, a light absorbing tube and dust-blocking glass are arranged in the box body from bottom to top in sequence; direct light which is emitted by the UV-LED lamp beads and falls on a reflecting curved surface of the reflecting cup is reflected by the reflecting cup, and direct light and reflected light which fall on the inner wall of the light absorbing tube are absorbed by the light absorbing tube, so that purple light which is finally emitted from the light absorbing tube is approximate parallel light and small-angle direct light, the influence of a UV-LED light source on a precise outer layer circuit board with the exposure line width and the line distance smaller than 0.1mm is controlled within a tolerance range by reasonably setting the length of the light absorbing tube, and the precise outer layer circuit board with the exposure line width and the line distance smaller than 0.1mm meets the PCB quality requirement, and the technology is simple, effective, reliable and low in cost. In production practice, the height of the light-absorbing tube can be set according to the highest precision of the product produced by the user to achieve the best exposure effect.
Description
Technical field
This utility model relates to a kind of UV-LED parallel light source case for exposing accurate outer-layer circuit.
Background technology
Before this, the exposure machine that electron trade uses generally is exposed with conventional high-tension mercury lamp light source, this high voltage mercury lamp
The very power consumption of light source and corollary equipment thereof, is unfavorable for that user is energy-conservation and saves management.Currently, Partial exposure machine manufacturer and exposure
Machine user introduces UV-LED as exposure light source.This UV-LED light source is compared conventional high-tension mercury lamp light source and is had many good qualities, as
Energy-conservation 80%, reach service life 20000 hours, stable performance use 1000 hours light decays only have 1.5%, conveniently make area source or
Line source, the table top uniformity reaches more than 90% etc..But, have a problem just annoying everybody, that is, how to use UV-LED
Exposure live width, the line-spacing accurate outer-layer circuit less than 0.1mm.This circuit board thickness has a kind of uncertain: be exactly circuit board
It is laminated through one or many, and through heavy copper and one or many electro-coppering, causes circuit board imposite variable thickness to cause, no
Uniformly, and CCD automatic aligning exposure machine glass can not be based entirely on circuit board thickness offset close over, say, that
The film likely and has the least gap to cause circuit ill-exposed between circuit board.Solve this problem, it is necessary to from UV-
LED secondary optical design is made an effort.The light as far as possible allowing UV-LED send through secondary optics forms less parallel light.This approximation
The least high-accuracy outer-layer circuit being the most more conducive to exposure to make circuit board in directional light drift angle.UV-LED how is made to send approximation flat
Row light, this is that puzzlement exposure machine produces and the central factor of application producer, solves this problem very urgent.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that one is used for exposing accurate outer layer
The UV-LED parallel light source case of circuit.
This utility model is achieved in that a kind of UV-LED parallel light source case for exposing accurate outer-layer circuit,
Including casing, be sequentially provided with from bottom to up in described casing radiator, UV-LED light source module, support plate, reflector, extinction pipe and
Dust-break glass；
Described radiator is located at described box bottom, and both sides along its length, the bottom of described radiator are provided with the first water inlet pipe
Run through described tank floor with the first outlet pipe, described first water inlet pipe and described first outlet pipe and cool down water with outside respectively
Outlet pipe and water inlet pipe connect；
Described UV-LED light source module is located at the top of described radiator, and described UV-LED light source module is provided with some
UV-LED lamp bead, described UV-LED light source module electrically connects with external power source；
Described support plate is provided with corresponding with the some described UV-LED lamp bead position on described UV-LED light source module
Installing hole, described reflector is sheathed on outside described UV-LED lamp bead, and described reflector bottom is installed in described installing hole；
Described extinction pipe box is located at outside described reflector, and described extinction pipe hangs down with described UV-LED light source module upper surface
Directly, every described extinction pipe and the most other two described extinction pipes laminating, and every described extinction pipe is to fitting with it
The centre-to-centre spacing of all of described extinction pipe is consistent, and described extinction pipe is that black and its height are not less than 100MM；
Described dust-break glass is located at described casing upper end open and is positioned on described extinction pipe.
Preferably, a diameter of 0.45-0.5mm of luminescence chip of described UV-LED lamp bead, lighting angle is 120 °.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate more than or equal to 0.1mm, described extinction pipe is high
Degree is not less than 100mm.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.075-0.1mm, described extinction pipe height
Not less than 120mm.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.005-0.075mm, described extinction pipe is high
Degree is not less than 160mm.
Specifically, the section of the reflective surface of described reflector parabolically shape.
The UV-LED parallel light source case for exposing accurate outer-layer circuit that this utility model provides, by reflector pair
The direct light of what UV-LED lamp bead issued fall within reflector reflective surface reflects, and by extinction pipe to falling within extinction pipe
The direct light of inwall and reflection light absorb so that finally the purple light from the injection of the extinction mouth of pipe is all less parallel light and little angle
Degree direct light, makes UV-LED light source to exposure live width, the line-spacing precision less than 0.1mm by the length of reasonable set extinction pipe
The impact of outer-layer circuit plate controls in the margin of tolerance, and the live width of exposure, the line-spacing accurate outer-layer circuit plate less than 0.1mm meets
PCB quality requirements, and its technique simply, the most reliable, with low cost.In production practices, the height of extinction pipe can root
The full accuracy of the product produced according to user sets to reach optimal exposure effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, below by the accompanying drawing used required in embodiment
It is briefly described, it should be apparent that, the accompanying drawing in describing below is only embodiments more of the present utility model, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is a kind of UV-LED parallel light source for exposing accurate outer-layer circuit that this utility model embodiment provides
Case schematic diagram.
Fig. 2 is that in Fig. 1, UV-LED light source penetrates less parallel light and low-angle direct light by reflector from the extinction mouth of pipe
Schematic diagram.
Fig. 3 is the exploded view of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
As shown in Fig. 1 ~ Fig. 3, a kind of UV-LED for exposing accurate outer-layer circuit that this utility model embodiment provides
Parallel light source case, including casing 1, be sequentially provided with from bottom to up in casing 1 radiator 2, UV-LED light source module 3, support plate 4,
Reflector 5, extinction pipe 6 and dust-break glass 7；
Radiator 2 is located at bottom casing 1, and both sides along its length, the bottom of radiator 2 are provided with the first water inlet pipe 21 and first
Outlet pipe 22, the first water inlet pipe 21 and the first outlet pipe 22 run through casing 1 bottom surface and cool down the outlet pipe of water (not with outside respectively
Illustrate) and the connection of water inlet pipe (not shown)；
UV-LED light source module 3 is located at the top of radiator 2, and UV-LED light source module 3 is provided with some UV-LED lamp bead
31, UV-LED light source modules 3 electrically connect with external power source (not shown)；
Support plate 4 is provided with the installing hole corresponding with some UV-LED lamp bead 31 positions on UV-LED light source module 3 (not
Illustrate), reflector 5 is sheathed on outside UV-LED lamp bead 31, and reflector 5 its underpart is installed in installing hole；
Extinction pipe 6 is sheathed on outside reflector 5, and extinction pipe 6 is vertical with UV-LED light source module 3 upper surface, every extinction pipe 6
Fit with the most other two extinction pipes 6, and every extinction pipe 6 is to the centre-to-centre spacing one of all of extinction pipe 6 fitted with it
Cause, extinction pipe 6 be black and its height be not less than 100MM；
Dust-break glass 7 is located at casing 1 upper end open and is positioned on extinction pipe 6.
Preferably, a diameter of 0.45-0.5mm of the luminescence chip of described UV-LED lamp bead 31, lighting angle is 120 °.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate more than or equal to 0.1mm, extinction pipe 6 is the most not
Less than 100mm.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.075-0.1mm, extinction pipe 6 is the least
In 120mm.
Preferably, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.005-0.075mm, extinction pipe 6 is the most not
Less than 160mm.
Specifically, the section parabolically shape of the reflective surface of described reflector 5；The reflective surface of reflector 5 and UV-
The lighting angle of LED lamp bead 31 luminescence chip matches.The part purple light sent when UV-LED lamp bead 31 is lighted falls within reflective
The reflective surface of cup 5, the reflective surface through reflector 5 reflects: a part is formed accurate outer-layer circuit exposure useful
Approximately parallel purple light bundle, simultaneously another part reflex on extinction pipe 6 inwall by extinction pipe 6 to its absorb.
The UV-LED parallel light source case for exposing accurate outer-layer circuit that this utility model provides, by reflector 5
The direct light falling within reflector 5 reflective surface issuing UV-LED lamp bead 31 reflects, and by extinction pipe 6 to falling within
The direct light of extinction pipe 6 inwall and reflection light absorb so that finally the purple light from extinction pipe 6 mouthfuls injection is all less parallel
Light and low-angle direct light, make UV-LED light source be less than exposure live width, line-spacing by the length of reasonable set extinction pipe 6
The impact of the accurate outer-layer circuit plate of 0.1mm controls in the margin of tolerance, outside the live width of exposure, line-spacing are less than the precision of 0.1mm
Sandwich circuit board meets PCB quality requirements, and its technique simply, the most reliable, with low cost.In production practices, extinction pipe 6
Height can set to reach optimal exposure effect according to the full accuracy of the product that user is produced.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and profit
Decorations are also considered as protection domain of the present utility model.
Claims (6)
1. for exposing a UV-LED parallel light source case for accurate outer-layer circuit, including casing, it is characterised in that described case
Internal it is sequentially provided with radiator, UV-LED light source module, support plate, reflector, extinction pipe and dust-break glass from bottom to up；
Described radiator is located at described box bottom, and both sides along its length, the bottom of described radiator are provided with the first water inlet pipe and
One outlet pipe, described first water inlet pipe and described first outlet pipe run through described tank floor and cool down going out of water with outside respectively
Water pipe and water inlet pipe connect；
Described UV-LED light source module is located at the top of described radiator, and described UV-LED light source module is provided with some UV-LED
Lamp bead, described UV-LED light source module electrically connects with external power source；
Described support plate is provided with the installation corresponding with the some described UV-LED lamp bead position on described UV-LED light source module
Hole, described reflector is sheathed on outside described UV-LED lamp bead, and described reflector bottom is installed in described installing hole；
Described extinction pipe box is located at outside described reflector, and described extinction pipe is vertical, often with described UV-LED light source module upper surface
Zhi Suoshu extinction pipe and the most other two described extinction pipes laminating, and every described extinction pipe is all of to fit with it
The centre-to-centre spacing of described extinction pipe is consistent, and described extinction pipe is that black and its height are not less than 100MM；
Described dust-break glass is located at described casing upper end open and is positioned on described extinction pipe.
A kind of UV-LED parallel light source case for exposing accurate outer-layer circuit the most according to claim 1, its feature
Being, a diameter of 0.45-0.5mm of luminescence chip of described UV-LED lamp bead, lighting angle is 120 °.
A kind of UV-LED parallel light source case for exposing accurate outer-layer circuit the most according to claim 2, its feature
Being, when exposing live width, the line-spacing accurate outer-layer circuit plate more than or equal to 0.1mm, described extinction pipe height is not less than
100mm。
A kind of UV-LED parallel light source case for exposing accurate outer-layer circuit the most according to claim 2, its feature
Being, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.075-0.1mm, described extinction pipe height is not less than
120mm。
A kind of UV-LED parallel light source case for exposing accurate outer-layer circuit the most according to claim 2, its feature
Being, when exposing live width, the line-spacing accurate outer-layer circuit plate at 0.005-0.075mm, described extinction pipe height is not less than
160mm。
6. according to a kind of UV-LED directional light light for exposing accurate outer-layer circuit in any of the one of claim 3 ~ 5
Source case, it is characterised in that the section of the reflective surface of described reflector parabolically shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748927.8U CN205862098U (en) | 2016-07-18 | 2016-07-18 | UV-LED parallel light source box for exposing precise outer layer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748927.8U CN205862098U (en) | 2016-07-18 | 2016-07-18 | UV-LED parallel light source box for exposing precise outer layer circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205862098U true CN205862098U (en) | 2017-01-04 |
Family
ID=57646221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620748927.8U Expired - Fee Related CN205862098U (en) | 2016-07-18 | 2016-07-18 | UV-LED parallel light source box for exposing precise outer layer circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205862098U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268726A (en) * | 2017-07-17 | 2019-01-25 | 志圣工业股份有限公司 | Total internal reflection mirror and optical lens group are conjointly employed in exposure machine light source module |
| CN109270795A (en) * | 2017-07-17 | 2019-01-25 | 志圣工业股份有限公司 | Total internal reflection mirror and sleeve are conjointly employed in exposure machine light source module |
| CN111208711A (en) * | 2018-11-22 | 2020-05-29 | 广东耀文智能科技有限公司 | Outer-layer circuit UV-LED parallel light source lamp box for exposure |
-
2016
- 2016-07-18 CN CN201620748927.8U patent/CN205862098U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268726A (en) * | 2017-07-17 | 2019-01-25 | 志圣工业股份有限公司 | Total internal reflection mirror and optical lens group are conjointly employed in exposure machine light source module |
| CN109270795A (en) * | 2017-07-17 | 2019-01-25 | 志圣工业股份有限公司 | Total internal reflection mirror and sleeve are conjointly employed in exposure machine light source module |
| CN111208711A (en) * | 2018-11-22 | 2020-05-29 | 广东耀文智能科技有限公司 | Outer-layer circuit UV-LED parallel light source lamp box for exposure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20190718 |