CN1532826A - Optical pick-up device module and method for producing optical pick-up device module - Google Patents
Optical pick-up device module and method for producing optical pick-up device module Download PDFInfo
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- CN1532826A CN1532826A CNA031160034A CN03116003A CN1532826A CN 1532826 A CN1532826 A CN 1532826A CN A031160034 A CNA031160034 A CN A031160034A CN 03116003 A CN03116003 A CN 03116003A CN 1532826 A CN1532826 A CN 1532826A
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Abstract
The present invention relates to one kind of optical pick-up device module and its manufacture. The optical pick-up device module includes objective to converge light from the light source onto the CD; lens barrel combined with the objective with inside reflecting light guide base board comprising upper base board and lower base board; light emitting part fixed inside the light guide base board to emit light for CD to record and play back; and light absorbing part fixed inside the light guide base board to absorb light the CD reflects. The design of the present invention adopts reflecting optical path guide base board upper and lower base boards, rather than blocky optical parts, and thus can meet the requirement of ultrathin optical design below 5 mm.
Description
(1) technical field
The present invention relates to a kind of light picker module (Opticalpick-up module) of record/played data on optical disc recording medium and the manufacture method of light picker module thereof.
(2) background technology
Nowadays, because digitizing, the high capacity of data, the medium of storage data become disk, CD (disc) by tape (tape), to strengthen the recording density of disc storage data, strengthen the storage volume of CD again.Thereupon, the laser diode that uses as light source by the CD of 780nm wavelength, is developed out and is suitable for 650nm, the CD of 405nm wavelength recently.Therefore thereupon, the light picker module of recorded information and broadcast information on above-mentioned CD also is developed out the product of the various ways that is applicable to the various CDs that store various objectives simultaneously.
Fig. 1 has roughly represented to constitute the optics meter of existing light picker module.
With reference to Fig. 1, the optics meter that constitutes original optical Pickup device comprises: luminous/light absorbing part 11 of light source being launched/being received; To above-mentioned luminous/ripple of the light source of light absorbing part 11 emission and be input to above-mentioned luminous/wave line of propagation of light absorbing part 11, the hologram of adjusting (holoqram) factor 12; With above-mentioned luminous/ripple that light absorbing part 11 is emitted becomes point instrumentation (collimator) lens 13 of directional light; And will be through the directional light of above-mentioned point instrumentation lens 13, the object lens 14 of boundling on CD 15.
At this, the above-mentioned hologram factor 12, adjust each wave line of propagation: make from above-mentioned luminous/ripple of light absorbing part 11 emission sees through above-mentioned point instrumentation lens 13; Make the ripple that from above-mentioned CD 15, reflects see through above-mentioned luminous/light absorbing part 11.This can utilize the wave polarization characteristic to embody.
And the optics meter of mentioning in Fig. 1 is to represent its basic comprising, also can be according to needed optics meter characteristic, append f-number again and regulate parts, phase place correcting part, wavefront splitting device etc., also can append many opticses (for example, prism, mirror) of regulating light path.
In addition, many novel CDs appear recently, for example, DVD, MO, MD etc., and these pen recorders are gradually to high speed, densification development, and record pit of cd side (pit) and track gradient (trackpitch) also diminish gradually, narrow down.Thereupon, directly the optical Pickup device of read/write data on cd side also is necessary to react more sensitively cd side, corresponding cd side.
In addition, the exploitation of these optical disc recording apparatus gradually to the trend development that reduces its thickness, has been applicable on the terminal device of mobile communication such as mobile phone, PDA.Thereupon, being necessary to develop thickness is the following optical Pickup device of 5mm.But existing optical Pickup device because it constitutes the required structure of optics meter, and is reducing there are many restrictions on the problem of its thickness.
(3) summary of the invention
The objective of the invention is to address the above problem, it will provide: on the problem that forms the optics meter, do not adopt block-shaped optical element, and utilize on the upper/lower substrate light path guiding substrate that forms reflecting surface to form the optics meter, thereby satisfy a kind of light picker module that thickness is the following ultrathin optics meter condition of 5mm and the manufacture method of light picker module thereof.
Another object of the present invention is to provide: utilize the light picker module that is formed by single component, producing thickness is the optical Pickup device of the following ultrathin optics meter of 5mm.
The object of the present invention is achieved like this:
A kind of light picker module is characterized in that, comprising:
Object lens with the ripple boundling of light source in CD;
Light path guiding substrate: have the lens barrel that makes above-mentioned object lens combination, the upper substrate, the inboard that form reflector space in the inboard form the lower basal plate that reflector space makes ripple inject from object lens, possess this upper and lower substrate and have just formed light path guiding base;
Illuminating part: be fixed on above-mentioned light path substrate inside, launch the ripple of video disc recording/broadcast usefulness; And
Light absorbing part: be fixed on above-mentioned light path guiding substrate inboard, absorb ripple by above-mentioned CD reflection.
At this, the upper substrate and the lower basal plate of above-mentioned light path guiding substrate is characterized in that its forming element is a silicon.
Feature in the formation of above-mentioned light path guiding substrate is to be provided with sept in order to keep the spacing between upper substrate and the lower basal plate.
The feature of above-mentioned sept is, and is identical with the material of upper substrate and lower basal plate, and forms in the lump when processing upper substrate and lower basal plate.
The feature of above-mentioned sept is that it is formed by megohmite insulant, so that prevent the heat conduction between above-mentioned upper substrate and the lower basal plate.
The feature of above-mentioned lower basal plate is at its formation reflecting surface, the ripple of above-mentioned illuminating part emission to be injected in the above-mentioned object lens.
The feature of the reflecting surface that forms on above-mentioned lower basal plate is that it has the para-curve reflecting surface of para-curve curvature of face radius.
The feature of above-mentioned lower basal plate is, forms the hologram factor (HOE) thereon, and the ripple of above-mentioned illuminating part emission is injected in the above-mentioned object lens.
The feature of the above-mentioned hologram factor is that it is the para-curve hologram factor.
The feature of above-mentioned lower basal plate is at its formation refractor (DOE mirror), the ripple of above-mentioned illuminating part emission to be injected in the above-mentioned object lens.
The feature of above-mentioned light path guiding substrate is that side is provided with a platform within it, lives in to state illuminating part so that stablize, and adjusts the ripple direction of above-mentioned illuminating part emission.
The feature of above-mentioned light path guiding substrate is that side is provided with the light separation hologram factor within it, so that adjust the wave line of propagation and the wave line of propagation that is injected into above-mentioned light absorbing part of above-mentioned illuminating part emission.
The feature of the above-mentioned smooth separation hologram factor is that it selects it to inject the wave reflection direction according to injecting the wave polarization characteristic.
The feature of the above-mentioned smooth separation hologram factor is, its material is identical with the material of upper substrate and lower basal plate, and forms in the lump when processing upper substrate or lower basal plate.
The feature of above-mentioned light path guiding substrate is that side has the monitoring light absorbing part more within it, so that detect the sensitivity of the ripple of above-mentioned illuminating part emission.
Above-mentioned light path guides the feature of substrate to be, has on its substrate and the external electrical connection terminals again, so that control the running of above-mentioned illuminating part and light absorbing part, transmits the signal after detecting.
In addition, be the manufacture method of the light picker module that achieves the above object, its feature comprises:
Possess upper and lower substrate and formed the step of light path guiding substrate;
On upper substrate, be equipped with the lens barrel combine with object lens, formation reflecting surface, the step of the wave reflection that will inject from illuminating part;
Object lens are fixed on the step that forms lens barrel on the above-mentioned upper substrate;
On lower basal plate, form reflecting surface, ripple is injected on the object lens, and forms the step that a platform is held illuminating part and light absorbing part;
On above-mentioned lower basal plate, form the terminal that is connected with external electrical, make it control above-mentioned illuminating part and light absorbing part, and the step of the transmission of the signal after will detecting;
The fixing step of illuminating part and light absorbing part on the platform that forms on the above-mentioned lower basal plate; And
Adjust interval, mutual alignment between above-mentioned upper substrate and the lower basal plate, make the ripple that sends from above-mentioned illuminating part step by above-mentioned object lens boundling.
At this, the feature of the reflecting surface of above-mentioned upper substrate and lower basal plate is that it forms by the etching engineering.
The above-mentioned feature that is formed on the reflecting surface on upper substrate and the lower basal plate is that it has the light separation hologram factor, so that regulate the wave line of propagation and the wave line of propagation that is injected into above-mentioned light absorbing part of above-mentioned illuminating part emission.
For ripple is incided on the above-mentioned object lens and the feature of the reflecting surface that forms on lower basal plate is that it has the para-curve reflecting surface of para-curve curvature of face radius.
For ripple is incided on the above-mentioned object lens and the feature of the reflecting surface that forms on lower basal plate is, it is formed by the hologram factor.
The feature of the above-mentioned hologram factor is that it is the para-curve hologram factor.
For ripple is incided on the above-mentioned object lens and the feature of the reflecting surface that forms on lower basal plate is that it is formed by refractor.
The feature of above-mentioned upper substrate and lower basal plate is that its forming element is a silicon.
For reaching the optical Pickup device of above-mentioned another purpose, its feature comprises: above-mentioned light picker module; Control the control part of above-mentioned light picker module running; And the printing loop substrate (PCB) that connects above-mentioned light picker module and above-mentioned control part.
At this, the feature of above-mentioned printing loop substrate is that it is soft printing loop substrate.
Effect of the present invention:
As described above, the light picker module among the present invention and the manufacture method of light picker module thereof, on the problem that forms the optics meter, do not adopt block-shaped optical element, and utilize on the upper/lower substrate light path guiding substrate that forms reflecting surface to form the optics meter, thereby have and satisfy the advantage that thickness is the following ultrathin optics meter condition of 5mm.
In addition, utilize under the situation of the light picker module among the present invention, its advantage is, utilizes the light picker module that is formed by single component, and producing thickness is the following ultrathin optical Pickup device of 5mm.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 has slightly generally represented to constitute the optics meter of existing optical Pickup device;
Fig. 2 has conceptually represented the structure of light picker module among the present invention;
Fig. 3～Fig. 5 represents three embodiment of light picker module among the present invention;
Fig. 6 has represented that conceptually FPCB among the present invention is combined in the state of light picker module;
Fig. 7 is the embodiment of the light picker module among the present invention, the example that expression constitutes limited optics meter.
Symbol description about major part in the accompanying drawing:
11: luminous/light absorbing part 12: the hologram factor
13: point instrumentation lens 14: object lens
15: CD 210: object lens
220: light path guiding substrate 221: upper substrate
222: lower basal plate 223: the para-curve reflecting surface
224: the light separation hologram factor 225,511: reflecting surface
226: a platform 227: lens barrel
230: illuminating part 240: light absorbing part
250: monitoring light absorbing part 260: sept
270: splicing ear 410: the para-curve hologram factor
510: refractor
(5) embodiment
Below, with reference to accompanying drawing, describe the embodiment among the present invention in detail.
Fig. 2 is for conceptually having represented the structure of light picker module among the present invention.
With reference to Fig. 2 explanation, the light picker module among the present invention comprises:
Object lens 210: with the ripple boundling of light source in CD;
Light path guiding substrate 220: comprising: have the lens barrel 227 that makes above-mentioned object lens 210 combinations; Form the upper substrate 221 of the light separation hologram factor 224 reflector spaces in the inboard; Inboard para-curve reflecting surface (parabolic surface) 223, reflecting surface 225 reflector spaces, the lower basal plate 222 that ripple is injected from object lens 210 of forming;
Illuminating part 230: be fixed on the inside of above-mentioned light path substrate 220, launch the ripple of above-mentioned video disc recording/broadcast usefulness; And
Light absorbing part 240: be fixed on the inboard of above-mentioned light path guiding substrate 220, absorb ripple by above-mentioned CD reflection.
At this, the upper substrate 221 of above-mentioned light path guiding substrate 220 and lower basal plate 222 can be utilized the good substrate of silicon isoreflectance and realize.Again, the upper substrate 221 of above-mentioned light path guiding substrate 220 and the material of lower basal plate 222, if can be just enough by the material made from the etching engineering, being not necessarily limited to can only be with on the condition of silicon.Again, if the material of above-mentioned upper substrate 221 and lower basal plate 222 is can be just enough by the material that the MEMS engineering is made.And, when the above-mentioned light path guiding of formation substrate 220, between above-mentioned upper substrate 221 and the lower basal plate 222, add a sept 260 in order to keep suitable spacing.
At this moment, above-mentioned sept 260 can adopt the identical material of material with upper substrate 221 or lower basal plate 222, in this case, can form in the lump when above-mentioned upper substrate 221 of processing or lower basal plate 222.Again, megohmite insulant can be used in above-mentioned interval 260, so that prevent the heat conduction between above-mentioned upper substrate 221 and the lower basal plate 222.
With reference to Fig. 2 explanation, be formed on the platform 226 on the above-mentioned lower basal plate 222, when being provided with above-mentioned illuminating part 230, for example, when laser diode is set, just do not have the worry that above-mentioned object lens 210 are given in heat conduction that above-mentioned illuminating part 230 produces.If the heat that above-mentioned illuminating part 230 produces passes to above-mentioned object lens 210, in record/broadcasts running of data the thermalization phenomenon can take place then, therefore, adhesion heat liberation board usually on the above-mentioned lower basal plate 222 prevents heat conduction to above-mentioned object lens 210 by it.
That is,, need do one's utmost to prevent heat conducting the time that above-mentioned sept 260 can adopt other megohmite insulant to stop heat conduction according to the style of system requirements; If by the effect of heat liberation board and the spacing between above-mentioned lower basal plate 222 and the upper substrate 221, and prevent that heat conducting the time, above-mentioned sept 260 can adopt same material to form in the lump when processing upper substrate 221 or lower basal plate 222.
In addition, with reference to Fig. 2, the ripple of above-mentioned illuminating part 230 emissions by being formed on the reflecting surface 225 on the above-mentioned lower basal plate 222, is injected into the light separation hologram factor 224 that forms on the above-mentioned upper substrate 221.Again, be injected into the ripple of the above-mentioned smooth separation hologram factor 224,, be injected into above-mentioned object lens 210 by being formed on the para-curve reflecting surface 223 on the above-mentioned lower basal plate 222.At this moment, above-mentioned para-curve reflecting surface 223 by its characteristic, becomes directional light with the ripple of injecting, and therefore needn't use the point instrumentation lens in addition, also can constitute unlimited optics meter.
At this, the above-mentioned smooth separation hologram factor 224 will play, and with above-mentioned illuminating part 230, for example, the ripple that laser diode penetrates is injected into above-mentioned para-curve reflecting surface 223; The ripple that reflects in the above-mentioned CD is injected into above-mentioned light absorbing part 240, for example the effect of optical diode (PD).This is a wave polarization characteristic of considering to be injected into the above-mentioned smooth separation hologram factor 224, designs the above-mentioned smooth separation hologram factor 224, can be according to injecting wave polarization direction accommodation reflex wave line of propagation.
Again, the above-mentioned smooth separation hologram factor 224 can form when forming above-mentioned upper substrate 221 in the lump, sticks to the appropriate location assembling of above-mentioned upper substrate 221 after also can making in addition.
Again, be provided with monitoring light absorbing part 250 on the above-mentioned lower basal plate 222 in addition, receive an amount of ripple of the above-mentioned smooth separation hologram factor 224 reflections, detect the characteristic of the ripple of above-mentioned illuminating part 230 emissions.This monitors light absorbing part 250, uses as the input signal of CD control laser output when the record/broadcast.
Again, above-mentioned light path guiding substrate 220 possesses and external electrical connection terminals 270 again, is used to control the running of above-mentioned illuminating part 230, light absorbing part 240, monitoring light absorbing part 250, and transmits the signal after detecting.
In addition, Fig. 3～Fig. 5 represents the embodiment of light picker module among the present invention.Below, with reference to each accompanying drawing, each embodiment of brief description light picker module.
At first, compare with Fig. 2, Fig. 3 is the ripple of illuminating part 230 emissions, situation about changing on direction.This situation is, a platform 226 flatly is arranged on the lower basal plate 222, and reflecting surface 225 oblique formation are transmitted into the structure that the ripple of the light separation hologram factor 224 is injected.So, according to wave line of propagation, suitably the position of design reflectivity face 225, the light separation hologram factor 224, para-curve reflecting surface 223 makes the ripple of above-mentioned illuminating part 230 emissions pass through object lens 210 boundlings.
Fig. 4 is on lower basal plate 222, to substitute the situation that is to use the para-curve hologram factor 410 with identical function of para-curve reflecting surface 223.That is, utilize the above-mentioned para-curve hologram factor 410, will be from the ripple of the above-mentioned smooth separation hologram factor 224 ejaculations, by a kind of optics meter of object lens 210 boundlings.Again, the shape of above-mentioned lower basal plate 222 is made the plane, with the spacing between sept 260 adjustment upper substrate 221 and the lower basal plate 222.
Fig. 5 is on lower basal plate 222, to substitute being to use of para-curve reflecting surface 223 and reflect factor mirror 510, the situation of the realization bright dipping separation hologram factor 224 on above-mentioned lower basal plate 222.Again, shown in Fig. 5, the ripple of illuminating part 230 emissions is with object lens 210 emission in the other direction.Thereupon, make the ripple of above-mentioned illuminating part 230 emissions inject above-mentioned object lens 210 in order to regulate light path, at least 2 reflectings surface 511 and 225, the light separation hologram factor 224, refractor 510 will form in position successively and go up.
That is, as Fig. 2～shown in Figure 5, according to the factor that requires item etc. of heat conduction problem, processing assembling convenience, optics meter, above-mentioned light path guiding substrate 220 can have multiple embodiment mode.
Below, about the manufacture method of light picker module with multiple form structure like this, with reference to Fig. 2, brief description.
At first, the lens barrel 227 that can make object lens 210 combinations that on above-mentioned upper substrate 221, forms and with the light separation hologram factor 224 of the wave reflection of above-mentioned illuminating part 230 emissions.Again, with above-mentioned object lens 210, be fixed on the lens barrel 227 of above-mentioned upper substrate 221.At this moment, above-mentioned object lens 210 can be made of 1 piece of non-spherical lens, also can be compiled by the non-spherical lens more than 2 pieces to form.
In addition, on above-mentioned lower basal plate 222, form reflecting surface 225 and para-curve reflecting surface 223, make ripple be injected into above-mentioned object lens 210, and on lower basal plate 222, form a platform 226, hold above-mentioned illuminating part 230 and light absorbing part 240.Again, on above-mentioned lower basal plate 222, form and external electrical connection terminals 270, so that control above-mentioned illuminating part 230 and light absorbing part 240, and the signal after the transmission detection.Above-mentioned illuminating part 230 and light absorbing part 240 are fixed on the platform 226 that forms on the above-mentioned lower basal plate 222 again.
At this, be located at para-curve reflecting surface 223, the light separation hologram factor 224, the reflecting surface 225 of above-mentioned upper substrate 221 and lower basal plate 222, can form by MEMS technology and etching engineering.If simple reflecting surface 225 only by the grinding on surface, also can form the plane with suitable reflectivity.Again, the above-mentioned smooth separation hologram factor 224 can form by MEMS technology and etching engineering, also can finish the factor by other manufacturing engineering after, be attached on the above-mentioned upper substrate 221.
Thereupon, adjust spacing between above-mentioned upper substrate 221 and the lower basal plate 222 and mutual alignment and combination, make the ripple of above-mentioned illuminating part 230 emissions,, realize light picker module among the present invention with this by above-mentioned object lens 210 boundlings.
At this moment,, the sept 260 of megohmite insulant can be located between above-mentioned upper substrate 221 and the lower basal plate 222, in above-mentioned upper substrate 221 of processing or lower basal plate 222, adopt same material to form in the lump according to necessity.
On the other hand, Fig. 6 has represented conceptually among the present invention that FPCB is combined in the state on the light picker module.
As shown in Figure 6, on the splicing ear 270 that forms on the above-mentioned light picker module, connect soft printing loop substrate 600, thereby control part can apply control signal and give on the above-mentioned light picker module, receive the signal after above-mentioned light absorbing part 240 detects.
So constitute under the situation of light picker module, just there is no need to use in addition optical element, therefore can be presented as ultrathin type, the advantage that above-mentioned light picker module can be utilized as single form is also arranged.,, in automation engineering, be connected thereupon, therefore, be easy to make ultrathin optical Pickup device with soft loop substrate with produced light picker module.
What more than tell about is, about the light picker module that constitutes by unlimited optics meter, but, as shown in Figure 7, also can constitute the light picker module by limited optics meter.
That is, according to the design that the formation light path is guided the reflecting surface of substrate 220, the ripple of injecting object lens 720 also can be made of limited optics meter.At this moment,, can use the lens that are suitable for limited optics meter and design, therefore also can embody ultrathin light picker module limited optics meter as above-mentioned object lens 720.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (22)
1, a kind of light picker module, its feature comprises:
Object lens: with light source ripple boundling in CD;
Light path guiding substrate: have the lens barrel that makes described object lens combination, the upper substrate, the inboard that form reflector space in the inboard form the lower basal plate that reflector space makes ripple inject from object lens, possess this upper and lower substrate and have just formed light path guiding substrate;
Illuminating part: be fixed on described light path substrate inside, launch the ripple of video disc recording/broadcast usefulness; And
Light absorbing part: be fixed on described light path guiding substrate inboard, absorb ripple by described CD reflection.
2, light picker module as claimed in claim 1 is characterized in that being provided with the sept that keeps spacing between the upper substrate of described formation light path guiding substrate and the lower basal plate.
3, light picker module as claimed in claim 2 is characterized in that, described sept is formed by megohmite insulant, is in order to prevent the heat conduction between described upper substrate and the lower basal plate.
4, light picker module as claimed in claim 1 is characterized in that being formed with reflecting surface on the described lower basal plate, is in order to make the ripple of described illuminating part emission, to be injected into object lens.
5, light picker module as claimed in claim 4 is characterized in that the reflecting surface that forms on the described lower basal plate, is the para-curve reflecting surface with para-curve curvature of face radius.
6, light picker module as claimed in claim 1 is characterized in that being formed with the hologram factor on the described lower basal plate, is to be injected into described object lens for the ripple that makes described illuminating part emission.
7, light picker module as claimed in claim 6 is characterized in that the described hologram factor is the para-curve hologram factor.
8, light picker module as claimed in claim 1 is characterized in that being formed with refractor on the described lower basal plate, is to be injected into described object lens for the ripple that makes described illuminating part emission.
9, light picker module as claimed in claim 1 is characterized in that described light path guiding substrate inboard is provided with a platform, is the wave line of propagation in order to stablize described illuminating part, to regulate described illuminating part emission.
10, light picker module as claimed in claim 1 is characterized in that described light path guiding substrate inboard is provided with the light separation hologram factor, is the wave line of propagation that absorbs for the wave line of propagation of adjusting described illuminating part emission and described light absorbing part.
11, light picker module as claimed in claim 1 is characterized in that the described smooth separation hologram factor, according to the wave polarization characteristic of injecting, selects it to inject the wave reflection direction.
12, light picker module as claimed in claim 1 is characterized in that described light path guiding substrate inboard is provided with the monitoring light absorbing part, is the sensitivity for the ripple that detects described illuminating part emission.
13, light picker module as claimed in claim 1 is characterized in that described light path guiding substrate is provided with and the external electrical connection terminals, is for the running of controlling described illuminating part and light absorbing part, the signal after the transmission detection.
14, a kind of manufacture method of light picker module as claimed in claim 1, its feature comprises:
Possess upper and lower substrate and formed the step of light path guiding substrate;
On upper substrate, be equipped with the lens barrel combine with object lens, formation reflecting surface, the step of the wave reflection that will inject from illuminating part;
Above-mentioned object lens are fixed on the step that forms lens barrel on the upper substrate;
On lower basal plate, form reflecting surface, ripple is injected on the object lens, and forms the step of stable firmly illuminating part of a platform and light absorbing part;
On lower basal plate, form and the external electrical connection terminals, make its control illuminating part and light absorbing part, and the step of the transmission of the signal after will detecting;
The fixing step of illuminating part and light absorbing part on the platform that forms on the lower basal plate; And
Adjust interval, mutual alignment between upper substrate and the lower basal plate, make the ripple that sends from illuminating part step by the object lens boundling.
15, the manufacture method of light picker module as claimed in claim 14 is characterized in that the reflecting surface on described upper substrate and the lower basal plate, is to form by the etching engineering.
16, the manufacture method of light picker module as claimed in claim 14, the reflecting surface that it is characterized in that being formed on described upper substrate and the lower basal plate is formed by the light separation hologram factor, is the wave line of propagation that absorbs for the wave line of propagation of regulating the emission of described illuminating part and described light absorbing part.
17, the manufacture method of light picker module as claimed in claim 14, the reflecting surface that it is characterized in that being located on the described lower basal plate forms by having para-curve curvature of face radius para-curve reflecting surface, is in order to make ripple be injected into described object lens.
18, the method for light picker module manufacturing as claimed in claim 14, the reflecting surface that it is characterized in that being located on the described lower basal plate is formed by the hologram factor, is in order to make ripple be injected into described object lens.
19, the method for light picker module manufacturing as claimed in claim 18 is characterized in that the described hologram factor is the para-curve hologram factor.
20, the method for light picker module manufacturing as claimed in claim 14, the reflecting surface that it is characterized in that being located on the described lower basal plate is formed by refraction factor mirror, is in order to make ripple be injected into described object lens.
21, a kind of optical Pickup device that has as any one described pick-up module in the claim 1-13 item, its feature comprises:
Control part: control described light picker module running;
Print loop substrate: connect described light picker module and described control part.
22, a kind of optical Pickup device that has as any one described pick-up module in the claim 14-20 item, its feature comprises:
Control part: control above-mentioned light picker module running;
Print loop substrate: connect described light picker module and described control part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031160034A CN1532826A (en) | 2003-03-26 | 2003-03-26 | Optical pick-up device module and method for producing optical pick-up device module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031160034A CN1532826A (en) | 2003-03-26 | 2003-03-26 | Optical pick-up device module and method for producing optical pick-up device module |
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| Publication Number | Publication Date |
|---|---|
| CN1532826A true CN1532826A (en) | 2004-09-29 |
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|---|---|---|---|
| CNA031160034A Pending CN1532826A (en) | 2003-03-26 | 2003-03-26 | Optical pick-up device module and method for producing optical pick-up device module |
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| CN (1) | CN1532826A (en) |
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