CN201903751U - Circular lamp of exposure machine - Google Patents
Circular lamp of exposure machine Download PDFInfo
- Publication number
- CN201903751U CN201903751U CN2010206098890U CN201020609889U CN201903751U CN 201903751 U CN201903751 U CN 201903751U CN 2010206098890 U CN2010206098890 U CN 2010206098890U CN 201020609889 U CN201020609889 U CN 201020609889U CN 201903751 U CN201903751 U CN 201903751U
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- emitting diode
- light emitting
- annular lamp
- contraposition
- light
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Abstract
The utility model relates to a circular lamp of an exposure machine which comprises an annular lamp bracket, a light emitting diode array and a control circuit of a light emitting diode, wherein the light emitting diode array is installed on the annular lamp bracket and is electrically connected with the control circuit of the light emitting diode. A light beam emitted by the light emitting diode array penetrates through a photographic film on a substrate to be exposed and reflects in a blind hole on the substrate to be exposed or on the surface of an opaque target, a camera lens captures reflection light to form the blind hole or an image of the opaque target, the image and the image of the opaque target on the photographic film are in overlapped and contraposition state so that the camera can identify the blind hole, improve the alignment precision and recognize the opaque target on the surface of the substrate to be exposed and is suitable for the contraposition of the opaque target on the substrate to be exposed.
Description
Technical field
The utility model relates to a kind of exposure device, relates in particular to a kind of exposure machine annular lamp.
Background technology
The principle of work of exposure machine is to be placed on the work egative film of exposure frame and to treat exposure base, contraposition district externally carries out contraposition work, and then exposure frame sent into inner exposure room, the pattern of work egative film by the program copy that exposes to treating on the exposure base.The contraposition principle of exposure machine is that each camera lens is caught target on film and the contraposition on the plate equitant image of holing, and does corresponding framework adjustment, so that the aligning accuracy of image reaches technological requirement.Fail to cover fully the contraposition boring for the treatment of on the exposure base owing to treat the target that the contraposition boring on the exposure base tends to occur on blind hole or the film, make camera lens can't discern the target on the film and treat the relevant position of the boring of contraposition on the exposure base, thereby greatly reduce aligning accuracy, even can't contraposition.The camera lens of exposure machine all is not provided with light source at present, camera lens also can't discern the lighttight target treated on the exposure base (as, laser target, mill target etc.) relevant position, can't be with target on the film and the lighttight target contraposition for the treatment of on the exposure base, thereby, above-mentioned contraposition principle also just can only be applicable to the plate that is provided with contraposition boring, then can't contraposition for the plate that contraposition boring is not set.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of exposure machine annular lamp, this exposure machine annular lamp, make camera lens can discern blind hole, improve aligning accuracy, can also discern to be in and treat the lip-deep light tight target of exposure base, be applicable to the contraposition for the treatment of light tight target on the exposure base.The technical scheme that adopts is as follows:
A kind of exposure machine annular lamp is characterized in that: the control circuit that comprises annular lamp bracket, light emitting diode matrix and light emitting diode; Light emitting diode matrix is installed on the annular lamp bracket; Light emitting diode matrix is electrically connected with the control circuit of light emitting diode.
The control circuit of light emitting diode generally comprises AC power, switch, inspection current/voltage oscillograph, rectification circuit, mu balanced circuit, rectification circuit generally adopts bridge rectifier that alternating current is carried out rectification, it is become is fit to the luminous direct current of driven for emitting lights diode array, usually in circuit one or more electric capacity in parallel as mu balanced circuit.
During use, with the annular lamp bracket that is provided with light emitting diode matrix be installed in camera lens around, in when, blind hole taking place or will discern contraposition to light tight target when, the control of the control circuit by light emitting diode, make light emitting diode matrix luminous, the light penetration that sends is crossed and is in the film for the treatment of above the exposure base, and treating that blind hole or light tight target on the exposure base (are provided with light tight target in this case, treat not to be provided with on the exposure base contraposition boring) the surface reflect, camera lens is caught reflected light, form the image of blind hole or light tight target, the image of target carries out overlapping contraposition on this image and the film, thereby has solved the contraposition problem of blind hole and light tight target.Certainly, be light transmissive material if treat exposure base, know contraposition boring (light tight target) and be provided with in the inside for the treatment of exposure base to debate, this situation also can be carried out accurate contraposition.
For reaching the purpose of further raising aligning accuracy, as preferred version of the present utility model, described light emitting diode adopts green LED.The light that green LED sends is green light, and green light is bright, penetrability is high, and the image outline of formation is clear, the contraposition better effects if.
In order to reach the purpose of being convenient to control brightness, the control circuit of described light emitting diode also comprises D.C. regulated power supply, and D.C. regulated power supply is connected in parallel on the two ends of light emitting diode matrix.D.C. regulated power supply in parallel can be regulated the electric current by light emitting diode under the constant situation of light emitting diode matrix both end voltage, reach the purpose of the brightness of control light emitting diode.
In order to reach the even brightness purpose, also comprise scattering sheet, scattering sheet is arranged on the annular lamp bracket that is in the light emitting diode matrix below.By on the annular lamp bracket below the light emitting diode matrix, scattering sheet being set, make exposure machine annular light irradiation more even to the light luminance on the film.
In addition, can also be in conjunction with exposure machine annular lamp, by increasing last light source and various debugging with the sharpness of test laser target under variety classes lamp and different colours light, common practices is: one, increase light source on the exposure room, use is pasted with the fluorescent tube of antiultraviolet film, and increases circuit controling switch; Two, the M GAIN MODE (manual gain pattern) that adjusts the camera lens amplifier can suitably make the inching shutter speed on each camera lens, to improve the contrast and the brightness of camera lens; Three, opening r Compensation pattern (compensation selector switch) can compensate automatically, to adjust the contrast and the brightness of lens image.
Exposure machine annular lamp of the present utility model, the light penetration that is sent by light emitting diode matrix is crossed and is in the film for the treatment of above the exposure base, and treating that the blind hole on the exposure base or the surface of light tight target reflect, camera lens is caught reflected light, form the image of blind hole or light tight target, the image of target carries out overlapping contraposition on this image and the film, thereby make video camera can discern blind hole, improve aligning accuracy, also can discern to be in and treat the lip-deep light tight target of exposure base, be applicable to the contraposition for the treatment of light tight target on the exposure base.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred implementation
Fig. 2 is the A-A cut-open view of Fig. 1
Fig. 3 is the circuit theory diagrams of the control circuit of light emitting diode in the utility model preferred implementation.
Embodiment
Be described further below in conjunction with accompanying drawing and preferred implementation of the present utility model.
As depicted in figs. 1 and 2, this exposure machine annular lamp comprises the control circuit of annular lamp bracket 1, light emitting diode matrix 2 and light emitting diode; Light emitting diode matrix 2 is installed on the annular lamp bracket 1; Light emitting diode matrix 2 is electrically connected with the control circuit of light emitting diode.Light emitting diode matrix 2 all adopts green LED.This exposure machine annular lamp also comprises scattering sheet 3, and scattering sheet 3 is arranged on the annular lamp bracket 1 that is in light emitting diode matrix 2 belows.
As shown in Figure 3, the control circuit of light emitting diode comprises AC power 10, switch 4, checks current/voltage oscillograph 5, rectification circuit 6, mu balanced circuit 7, rectification circuit 6 adopts bridge rectifier that alternating current is carried out rectification, and one or more electric capacity in parallel are as mu balanced circuit 7 in circuit.The control circuit of light emitting diode also comprises D.C. regulated power supply 8, and D.C. regulated power supply 8 is connected in parallel on the two ends of light emitting diode matrix 2.
As shown in Figure 1, during use, with the annular lamp bracket 1 that is provided with light emitting diode matrix 2 be installed in camera lens 9 around, in when, blind hole taking place or will discern contraposition to light tight target when, the control of the control circuit by light emitting diode, make light emitting diode matrix 2 luminous, the light that sends is after scattering takes place in scattering sheet 3, penetrated and be in the film for the treatment of above the exposure base, and treating that the blind hole on the exposure base or the surface of light tight target reflect, camera lens 9 is caught reflected light, form the image of blind hole or light tight target, the image of target carries out overlapping contraposition on this image and the film, thereby has solved the contraposition problem of blind hole and light tight target.In addition, can regulate the electric current of D.C. regulated power supply 8 output, under the constant situation of light emitting diode matrix both end voltage, make electric current increase or reduce by light emitting diode, thus the brightness of control light emitting diode.
Exposure machine can be discerned to be in and treat the lip-deep light tight target of exposure base after above-mentioned exposure machine annular lamp has been installed around the camera lens of video camera, is applicable to the contraposition for the treatment of light tight target on the exposure base, and improves the aligning accuracy to blind hole.Certainly, be light transmissive material if treat exposure base, know contraposition boring (light tight target) and be provided with in the inside for the treatment of exposure base to debate, this situation also can be carried out accurate contraposition.
Claims (5)
1. an exposure machine annular lamp is characterized in that: the control circuit that comprises annular lamp bracket, light emitting diode matrix and light emitting diode; Light emitting diode matrix is installed on the annular lamp bracket; Light emitting diode matrix is electrically connected with the control circuit of light emitting diode.
2. exposure machine annular lamp as claimed in claim 1, it is characterized in that: described light emitting diode adopts green LED.
3. exposure machine annular lamp as claimed in claim 1 or 2, it is characterized in that: the control circuit of described light emitting diode also comprises D.C. regulated power supply, D.C. regulated power supply is connected in parallel on the two ends of light emitting diode matrix.
4. exposure machine annular lamp as claimed in claim 1 or 2 is characterized in that: comprise that also scattering sheet, scattering sheet are arranged on the annular lamp bracket that is in the light emitting diode matrix below.
5. exposure machine annular lamp as claimed in claim 3 is characterized in that: comprise that also scattering sheet, scattering sheet are arranged on the annular lamp bracket that is in the light emitting diode matrix below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206098890U CN201903751U (en) | 2010-11-12 | 2010-11-12 | Circular lamp of exposure machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206098890U CN201903751U (en) | 2010-11-12 | 2010-11-12 | Circular lamp of exposure machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903751U true CN201903751U (en) | 2011-07-20 |
Family
ID=44274344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206098890U Expired - Fee Related CN201903751U (en) | 2010-11-12 | 2010-11-12 | Circular lamp of exposure machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629532A (en) * | 2020-07-07 | 2020-09-04 | 珠海景旺柔性电路有限公司 | Processing method for improving alignment precision of covering film |
-
2010
- 2010-11-12 CN CN2010206098890U patent/CN201903751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629532A (en) * | 2020-07-07 | 2020-09-04 | 珠海景旺柔性电路有限公司 | Processing method for improving alignment precision of covering film |
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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: 20110720 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |