CN200979606Y - A raster single-forming device - Google Patents
A raster single-forming device Download PDFInfo
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- CN200979606Y CN200979606Y CNU2006200259197U CN200620025919U CN200979606Y CN 200979606 Y CN200979606 Y CN 200979606Y CN U2006200259197 U CNU2006200259197 U CN U2006200259197U CN 200620025919 U CN200620025919 U CN 200620025919U CN 200979606 Y CN200979606 Y CN 200979606Y
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Abstract
The utility model discloses a device for manufacturing round gratings with one time formation, which resolves the problems of more using equipments, the high cost, the poor linearity of the grating lines and the long period in the conventional art. The technical schemes is the utility model comprises an optical maser, an exposure time controller, an expanding beam lens, a collimation lens, an optics linear element and a carrying frame which is arranged on a pedestal in turn, wherein the optics linear element and the carrying frame are made of apparent optical material, laser which is sent by the optical maser is controlled by the exposure time controller and beam-expanded by the expanding beam lens, parallel light of the collimation lens is adjusted. The optics linear element is arranged on an axial line of the parallel light, thereby, all sent light are passed through a center of the optics linear element, and the carrying frame is arranged on a position where an interference pattern is formed on a back focal surface of the optics linear element. The utility model has the advantages that the light path adjustment is convenient, the light path which is adjusted well can be used for a long time, the working procedure of manufacturing round gratings is simplified greatly, the time and work are all saved, the work efficiency and reliability can be increased, the cost of manufacturing round gratings can be reduced, further, the grating lines are orderliness, the linearity is better, and the precision is higher.
Description
Technical field
The utility model relates to a kind of device of making round grating, particularly a kind of device of once-forming grid stroke manufacturing circle grating.
Technical background
Well-known CD consumption is huge, and the device of making grating usually is long, circular dividing machines mostly.Roughly as follows with the photoetching process for example manufacturing circle grating:
Machinery graduating with cutter list is sewn on the glass flake that scribbles light tight color layers, depicts a printing opacity list seam with " cutter ", and single width that stitches depends on round grating grid line width and singly makes factor such as fabrication technique, is generally 5-10um.Optical lithography is fan-shaped, single seam is installed on the canoe of circular dividing machines support (also being the cutter bridge), adjust centre distance (promptly round grating grid line radius) and off-centre between single seam and circular dividing machines, the glass substrate that scribbles photosensitive material is placed on (under printing opacity list seam) on the circular dividing machines worktable pallet, place a light source exposure device at (directly over printing opacity list seam) above the support, behind slewing circle dividing machine and the startup light source exposure device, just the picture of single seam can be projected on the sensitization substrate, it is fan-shaped to form one group of groove, and 360 ° of ratios with the segment angle size are integer m.Multiplication method photoetching garden grating, change single seam into fanning strip, adjust distance and off-centre, the round grating blank that scribbles photosensitive material is placed on the circular dividing machines pallet, start light source exposure device and slewing circle dividing machine, the picture of one group of fan-shaped grid line is projected on the round grating blank carrier, 360 ° of circular dividing machines rotations, expose behind m number, on circle grating blank carrier, just obtain the grid stroke of a whole circle; Be a complete round grating after developing, removing photoresist, dry.The device of grating is justified in this traditional manufacturing, and the grid line quality of its manufacturing is undesirable, and promptly the grid line edge is scared, steepness is little, rectilinearity is poor, can not once-forming.These will directly influence the quality of grating; And manufacturing process is many, complicated, the cycle is long.
What also have replaces circular dividing machines with laser direct-writing device, promptly the grating blank carrier scanning that scribbles photosensitive material is exposed with laser direct-writing device, though this process is finished by computer controlled automatic, but, still can not once-forming, need just can finish when adjustment forms closed loop, and the grid line quality is still not really desirable by displacement transducer, drive unit, light scanning are first-class repeatedly, device therefor is more, and manufacturing cost is higher.
The utility model content
The purpose of this utility model just is to overcome the deficiencies in the prior art, but provide a kind of simple for production, degree of accuracy is high, the device of the lower once-forming manufacturing of cost circle grating.
For reaching the utility model purpose, the technical solution adopted in the utility model: the device of once-forming manufacturing circle grating, be to constitute, and be installed on the base successively by laser instrument, time shutter controller, beam expanding lens, collimating mirror, the optics linear element, the carrier rack that utilize transparent optical material to make; Laser by laser instrument sends expands bundle through time shutter controller control, beam expanding lens, the directional light that the front and back position of adjustment collimating mirror makes it to produce; The optics linear element is installed on the directional light axis, and all light that make output form the position installation carrier rack of interference pattern all by the center of optics linear element at the back focal plane of optics linear element.
For making this device that better generality be arranged, satisfy the needs that different size grating light path is adjusted, all devices of the utility model all are to be installed on the base by adjustable articulator
The material of optics linear element described in the utility model is the transparent optical plastics, as organic glass, optical materials such as resin.
The utility model compared with prior art, following advantage is arranged: adopt device of the present utility model to make laser garden grating, can one-time form whole-circle, it is with laser direct irradiation optics linear element, back focal plane at the optics linear element forms on the carrier rack of interference pattern, insertion scribbles the record carrier of photosensitive material, laser is penetrated on record carrier, just can obtain the round grid stroke of whole circle, be one-time form whole-circle, the manufacture process of every block of round grating only needs 2-4 minute.Compare with " mechanical graduating with cutter list seam; the fan-shaped and multiplication method photoetching circle grating of optical lithography " in the prior art and " with laser direct-writing device to scribbling the grating blank scan exposure of photosensitive material; by computer controlled automatic manufacturing circle grid stroke ", it makes simple, portable, its light path is easy to adjust, after light path mixes up, grating to a kind of specification can use for a long time, be convenient to produce in batches, simplified the operation of making the circle grating greatly, time shortens dramatically, and work efficiency and reliability have been improved in the time and labour saving, greatly reduce manufacturing cost, and grid line is neat, rectilinearity is good, the degree of accuracy height.
Description of drawings
Fig. 1 one-piece construction synoptic diagram of the present utility model, wherein: laser instrument 1, time shutter controller 2, beam expanding lens 3, collimating mirror 4, optics linear element 5, carrier rack 6, base 7; Fig. 2 linear element structural representation; Fig. 3 is the light path synoptic diagram of laser direct irradiation linear element manufacturing circle grating, wherein: laser instrument 1, time shutter controller 2, beam expanding lens 3, collimating mirror 4, optics linear element 5, record carrier 6x.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.As shown in Figure 1, be the device one-piece construction synoptic diagram of once-forming manufacturing circle grating of the present utility model, its base [7] adopts thick steel plate or the iron plate of 5mm, and size 1000mm * 400mm is used for installing each components and parts of light path.It is the single-mode He-Ne laser of 632.8nm that laser instrument [1] adopts wavelength, is installed in base [7] foremost, in the position of distance lasers [1] outlet 100mm time shutter controller [2] is installed, and time shutter controller [2] adopts the DSQ-II exposure timer; Beam expanding lens [3] is installed in position at distance time shutter controller [2] 100mm, beam expanding lens [3] is selected 8X's for use, this beam expanding lens [3] just in time is positioned on the front focal plane of the collimation lens that focal length is 150mm [4], collimating mirror [4] is selected φ 45mm f=140mm for use, and the front and back position of adjusting collimating mirror makes it to produce directional light; Optics linear element [5] is installed on the directional light axis, and all light that make output form the position installation carrier rack [6] of interference pattern all by the center of optics linear element [5] at the back focal plane of linear element [5].Light path of the present utility model as shown in Figure 3, light path is easy to adjust, light path mixes up the back and can use for a long time a kind of grating of specification, is convenient to produce in batches.For making this device that better generality be arranged, satisfy the needs that different size grating light path is adjusted, make its device humanized, so all devices of this device all are to be installed on the base by adjustable articulator.
Optics linear element [5] is to finish Primary Component of the present utility model, and its manufacture method is: the diameter that becomes with the roughing of 45mm*45mm*25mm K9 glass is 40mm, and height is a 22mm isosceles taper blank; Then with emery roughly grind to diameter be 40mm, height is a 22mm isosceles taper base, again with abrasive pastes polishings, is that 40mm is high for the transparent isosceles cone of 22mm, as Fig. 2 until making diameter.Make light element transparent optical plastics, as organic glass, optical materials such as resin.Can also adopt prefabricated mould casting back polishing to make.It is high that the machining precision of linear element is wanted, if the conical surface is not straight, the interference circle of formation is not round, will influence the rectilinearity of grating, and therefore, the conical surface must be straight.This linear element striped is 0.8 μ m.According to the needs of striped, can adjust the diameter of cone and highly be processed into different linear elements, be used to make the round grating of different stripeds.
Make the circle grating: the record carrier 6x that will scribble photosensitive material is placed on the carrier rack [6]: open laser instrument [1], time shutter controller [2], the light beam that sends by laser instrument, by time shutter controller [2] the control time shutter, just can obtain the round grid stroke of whole circle on the record carrier 6x, be one-time form whole-circle, convenient and swift.It is fixed that the exposure-time shutter is come by the photosensitive material on the record carrier 6x, and photosensitive material can be: silver salt latex, gelatin, photoresist, photochromics, thermoplastic etc.Photosensitive material after the exposure is handled through materializations such as development, photographic fixing, bleachings, washing, air dry or the air-dry manufacturing that just can finish by the whole grid line figures of round grating of design.Record carrier can be: glass, metal, plastics, machine glass, resin, timber and derivant or the like.According to actual needs,, just can produce in batches on request in batches as long as change record carrier.
Laser direct irradiation optics linear element manufacturing circle grating, the manufacture process of every block of round grating only 2-4 minute.The round grating grid line quality that the utility model is made is good, neatly, rectilinearity is good, the degree of accuracy height.
Claims (3)
1. the device of once-forming manufacturing circle grating is characterized in that it is to be made of laser instrument, time shutter controller, beam expanding lens, collimating mirror, the optics linear element, the carrier rack that utilize transparent optical material to make, and is installed on the base successively; Laser by laser instrument sends expands bundle through time shutter controller control, beam expanding lens, the directional light that the front and back position of adjustment collimating mirror makes it to produce; The optics linear element is installed on the directional light axis, and all light that make output form the position installation carrier rack of interference pattern all by the center of optics linear element at the back focal plane of optics linear element.
2. the device of once-forming manufacturing circle grating according to claim 1 is characterized in that all devices all are to be installed on the base by adjustable articulator.
3. the device of once-forming manufacturing circle grating according to claim 1, the material that it is characterized in that the optics linear element is the transparent optical plastics, as organic glass, optical materials such as resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200259197U CN200979606Y (en) | 2006-04-27 | 2006-04-27 | A raster single-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200259197U CN200979606Y (en) | 2006-04-27 | 2006-04-27 | A raster single-forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200979606Y true CN200979606Y (en) | 2007-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200259197U Expired - Fee Related CN200979606Y (en) | 2006-04-27 | 2006-04-27 | A raster single-forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200979606Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102369538A (en) * | 2009-04-02 | 2012-03-07 | 讯宝科技公司 | Auto-exposure for multi-imager barcode reader |
| CN106443935A (en) * | 2016-11-28 | 2017-02-22 | 深圳中科光子科技有限公司 | Adjustable support frame for beam expanding lens |
-
2006
- 2006-04-27 CN CNU2006200259197U patent/CN200979606Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102369538A (en) * | 2009-04-02 | 2012-03-07 | 讯宝科技公司 | Auto-exposure for multi-imager barcode reader |
| CN102369538B (en) * | 2009-04-02 | 2015-04-29 | 讯宝科技公司 | Auto-exposure for multi-imager barcode reader |
| CN106443935A (en) * | 2016-11-28 | 2017-02-22 | 深圳中科光子科技有限公司 | Adjustable support frame for beam expanding lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |