CN103050135A - Bonding fixation process between optical part and driving part of optical pick-up head - Google Patents
Bonding fixation process between optical part and driving part of optical pick-up head Download PDFInfo
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- CN103050135A CN103050135A CN201210564763XA CN201210564763A CN103050135A CN 103050135 A CN103050135 A CN 103050135A CN 201210564763X A CN201210564763X A CN 201210564763XA CN 201210564763 A CN201210564763 A CN 201210564763A CN 103050135 A CN103050135 A CN 103050135A
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- optical pickup
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Abstract
The invention discloses a bonding fixation process between an optical part and a driving part of an optical pick-up head, and the driving part (1) and the optical part (8) of the optical pick-up head are used in the process; the driving part (1) of the optical pick-up head is arranged right above the optical part (8) of the optical pick-up head; and the driving part (1) and the optical part (8) of the optical pick-up head are bonded. According to the bonding fixation process of the optical pick-up head, the optical part and the driving part of the optical pick-up head can be precisely fixed together conveniently, accurately and reliably, so that the working performance and the service life of the optical pick-up head are ensured, the product use feeling of a user can be enhanced, so that wide market application prospect and major practical significance of production are realized.
Description
Technical field
The present invention relates to the optical pickup technical field, particularly relate to the technique that is adhesively fixed of a kind of optical pickup opticator and drive part.
Background technology
Along with the development of optical storage technology, but the optical storage series of products such as CD player, DVD player imprinting DVD player, Blu-ray Disc BD player have entered market in large quantities, and by the consumer acceptance.Wherein, the CD player can read the data message on the CD CD; DVD player can read the data message on the DVD CD; But imprinting DVD machine not only wants to read the data message on the CD, but also wants and data message can be burnt on the CD of imprinting; Blu-ray Disc BD player can read the data message on the BD CD; But can be burnt to data message on the imprinting BD CD but imprinting BD is confidential.
At present, for above-mentioned multiple light storage medium fetch equipment, need to realize the reading of various optical disc informations specifically come laser beam is adjusted and controlled by the optical pickup in the equipment by laser beam.
For optical pickup, realize the parts that the oval-shaped laser bundle that laser diode sends is shaped as the function of circular light beam are called the opticator of optical pickup in the optical pickup; And realize circular light beam is focused on the parts of the function of the information track on the CD in the optical pickup, owing to needing simultaneously object lens are driven to adapt to the variation of the information track on the CD, be called as the drive part of optical pickup.Drive part for optical pickup, because be used for reading, imprinting DVD CD, read, the optical maser wavelength of imprinting BD CD is short more a lot of than CD wavelength, needs higher precision to realize accurate adjustment to object lens position so that in the corresponding optical pickup laser beam focused on drive part on the CD.
But, at present for optical storage media fetch equipments such as DVD player, the technique that is adhesively fixed of the optical pickup defective that has all that the control difficulty is large, yields is low, production efficiency is low etc. wherein, can't be securely that the opticator in the optical pickup and drive part is convenient, accurately, be fixed together reliably.
Summary of the invention
In view of this, the technique that is adhesively fixed that the purpose of this invention is to provide a kind of optical pickup opticator and drive part, can be accurately that the opticator in the optical pickup and drive part is convenient, accurately, be fixed together reliably, guarantee serviceability and the serviceable life of optical pickup, be conducive to strengthen user's product use impression, thereby have widely market application foreground, be of great practical significance.
For this reason, the invention provides the technique that is adhesively fixed of a kind of optical pickup opticator and drive part, comprise optical pickup drive part and optical pickup opticator, described optical pickup drive part be positioned at described optical pickup opticator directly over, and described optical pickup drive part is mutually bonding with the optical pickup opticator.
Wherein, bond together by at least one application point between described optical pickup drive part and the opticator, be coated with viscose glue on each application point.
Wherein, described a plurality of application point is symmetrical.
Wherein, the right and left of described optical pickup drive part is symmetrically arranged with respectively two and derives the fibre bundle parts, be provided with described application point on the position corresponding with described derivation fibre bundle parts on the described optical pickup drive part, be coated with viscose glue on each application point.
Wherein, described viscose glue is epoxy resin.
Wherein, the coated weight of epoxy resin is 8 ~ 11mg on each described application point.
Wherein, the epoxy resin that applies on the described application point is carried out following coagulation step:
The first step: the coated epoxy resin of a plurality of application point between described optical pickup drive part and the optical pickup opticator is carried out the UV-irradiation of schedule time length, epoxy resin is tentatively solidified;
Second step: the composite entity of described optical pickup drive part and optical pickup opticator is placed on carries out depositing of schedule time length in the temperature-controlled cabinet;
The 3rd step: the composite entity of described optical pickup drive part and optical pickup opticator is placed on carries out depositing of schedule time length in the temperature-controlled cabinet.
Wherein, the exposure intensity of described ultraviolet light is 400 ~ 570mW/cm
2
Form the ultraviolet light of irradiation usefulness by ultraviolet source, ultraviolet light is derived by the flexible optical fibre bundle, and the exposure intensity that fibre bundle is derived the ultraviolet light of end is 400 ~ 570 mW/cm
2Each distance that derives between the centre of corresponding application point on fibre bundle parts and described optical pickup drive part and the optical pickup opticator is identical, all is a numerical value among 7 ~ 15mm, and tolerance is positive and negative 2mm.
Wherein, the temperature of described temperature-controlled cabinet is 60 ~ 80 degrees centigrade, and the composite entity of described optical pickup drive part and optical pickup opticator is 1.5 ~ 2.5 hours in the schedule time length that described temperature-controlled cabinet is deposited.
Wherein, the resting period of composite entity under described temperature-controlled cabinet and normal temperature of described optical pickup drive part and optical pickup opticator controlled by timer or clock.
By above technical scheme provided by the invention as seen, compared with prior art, the technique that is adhesively fixed that the invention provides a kind of optical pickup opticator and drive part is can be accurately convenient with the opticator in the optical pickup and drive part, accurately, be fixed together reliably, guarantee serviceability and the serviceable life of optical pickup, be conducive to strengthen user's product use impression, thereby have widely market application foreground, be of great practical significance.
Description of drawings
Fig. 1 is the structural representation sketch of a kind of embodiment of technique that is adhesively fixed of a kind of optical pickup opticator provided by the invention and drive part;
Fig. 2 is the local enlarged diagram of the technique that is adhesively fixed of a kind of optical pickup opticator provided by the invention shown in Figure 1 and drive part;
Among the figure, 1 is the optical pickup drive part, and 2 for deriving the fibre bundle parts, and 3 is application point, and 8 is the optical pickup opticator.
Embodiment
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 1, the invention provides the technique that is adhesively fixed of a kind of optical pickup opticator and drive part, comprise optical pickup drive part 1 and optical pickup opticator 8, described optical pickup drive part 1 be positioned at described optical pickup opticator 8 directly over, and described optical pickup drive part 1 is mutually bonding with optical pickup opticator 8.
On the specific implementation, referring to Fig. 1, bond together by at least one application point 3 between described optical pickup drive part 1 and the opticator 8.
Need to prove, shape, the size of described optical pickup drive part 1 and optical pickup opticator 8 are not limited to as shown in Figure 1, actual needs according to the user, can also be optical pickup drive part 1 and the optical pickup opticator 8 of other shapes, size, as long as mutually be bonded together between optical pickup drive part 1 and the optical pickup opticator 8.
In the present invention, referring to Fig. 1, in order to allow described optical pickup drive part 1 and optical pickup opticator 8 bond together, the right and left of described optical pickup drive part 1 is symmetrically arranged with respectively two and derives fibre bundle parts 2, be provided with described application point 3 on the position corresponding with described derivation fibre bundle parts 2 on the described optical pickup drive part 1, be coated with the epoxy resin as viscose glue on each application point 3, thereby realize described optical pickup drive part 1 and optical pickup opticator 8 fixed bondings are in the same place.
In the present invention, on the specific implementation, described derivation fibre bundle parts 2 are used for deriving the flexible optical fibre bundle of UV light.
On the specific implementation, described a plurality of application point 3 is symmetrical, and the quantity of described application point 3 can for a plurality of arbitrarily, for example can be 3 ~ 6;
On the specific implementation, the coated weight of epoxy resin can be 8 ~ 11mg on each described application point 3.
In the present invention, need to prove, described epoxy resin is to the light activated material of ultraviolet, in the UV(ultraviolet) under the irradiation easily sclerosis solidify.
On the specific implementation, the epoxy resin that applies on the described application point 3 need to be carried out following coagulation step:
The first step: a plurality of application point 3 coated epoxy resin between described optical pickup drive part 1 and the optical pickup opticator 8 are carried out the UV-irradiation of schedule time length, epoxy resin is tentatively solidified; On the specific implementation, the schematic partial cross-sectional view that the epoxy points of each coating is carried out UV-irradiation as shown in Figure 2.The drive part partial cross section 11 that comprises optical pickup among Fig. 2, the opticator partial cross section 12 of optical pickup, epoxy resin cross section 13, ultraviolet light is derived flexible optical fibre bundle 14.The number that the ultraviolet light fibre bundle that uses is derived end is identical with the application point number, in order to realize ultraviolet light the epoxy resin that applies is shone respectively.
Second step: the composite entity of described optical pickup drive part 1 and optical pickup opticator 8 is placed on carries out depositing of schedule time length in the temperature-controlled cabinet;
The 3rd step: schedule time length is deposited in the composite entity placement of described optical pickup drive part 1 and optical pickup opticator 8 at normal temperatures, form at last the epoxy resin that fully solidifies, realize described optical pickup drive part 1 and optical pickup opticator 8 are fixed together.
In the first step, described Preset Time length can be 10 ~ 15 seconds, can control irradiation time by a time controller (for example timer); Form the ultraviolet light of irradiation usefulness by ultraviolet source (for example UV-lamp), ultraviolet light is derived by the flexible optical fibre bundle, and the exposure intensity that fibre bundle is derived the ultraviolet light of end is 400 ~ 570 mW/cm
2(milliwatt/square centimeter); It is that fibre bundle is derived end that each of ultraviolet light derives fibre bundle parts 2() identical with distance between the centre of corresponding application point on described optical pickup drive part 1 and the optical pickup opticator 8, all be a numerical value among 7 ~ 15mm, tolerance is positive and negative 2mm.In second step, the temperature of described temperature-controlled cabinet is 60 ~ 80 degrees centigrade, and the composite entity of described optical pickup drive part 1 and optical pickup opticator 8 is 1.5 ~ 2.5 hours in the schedule time length that described temperature-controlled cabinet is deposited.
In the 3rd step, the resting period of (15 ~ 35 degrees centigrade) is not less than 1.5 hours to the composite entity of described optical pickup drive part 1 and optical pickup opticator 8 at normal temperatures.
In the present invention, on the specific implementation, the resting period of composite entity under described temperature-controlled cabinet and normal temperature of described optical pickup drive part 1 and optical pickup opticator 8 can be controlled by timer or clock.
Need to prove, the technique that is adhesively fixed for a kind of optical pickup opticator provided by the invention and drive part, but but it can solve the bonding problem of high precision of opticator and drive part in imprinting dvd pickup pick-up head, the BD optical pickup imprinting BD optical pickup production run, thereby can realize that the laser beam vernier focusing is to CD, finish reading of data message on the CD, and data message is burnt to function on the CD.
In sum, compared with prior art, the invention provides the technique that is adhesively fixed of a kind of optical pickup opticator and drive part, it is stable and reliable for performance, can be accurately that the opticator in the optical pickup and drive part is convenient, accurately, be fixed together reliably, guarantee serviceability and the serviceable life of optical pickup, the product that is conducive to strengthen the user uses impression, thereby have widely market application foreground, be of great practical significance.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the technique that is adhesively fixed of an optical pickup opticator and drive part, it is characterized in that, comprise optical pickup drive part (1) and optical pickup opticator (8), described optical pickup drive part (1) be positioned at described optical pickup opticator (8) directly over, and described optical pickup drive part (1) is mutually bonding with optical pickup opticator (8).
2. the technique that is adhesively fixed as claimed in claim 1 is characterized in that, bonds together by at least one application point (3) between described optical pickup drive part (1) and the opticator (8), and each application point is coated with viscose glue on (3).
3. the technique that is adhesively fixed as claimed in claim 2 is characterized in that, described a plurality of application point (3) are symmetrical.
4. the technique that is adhesively fixed as claimed in claim 2, it is characterized in that, the right and left of described optical pickup drive part (1) is symmetrically arranged with respectively two and derives fibre bundle parts (2), described optical pickup drive part (1) is provided with described application point (3) on the upper position corresponding with described derivation fibre bundle parts (2), and each application point is coated with viscose glue on (3).
5. the technique that is adhesively fixed as claimed in claim 4 is characterized in that, described viscose glue is epoxy resin.
6. the technique that is adhesively fixed as claimed in claim 5 is characterized in that, the coated weight of the upper epoxy resin of each described application point (3) is 8 ~ 11mg.
7. the technique that is adhesively fixed as claimed in claim 5 is characterized in that, the upper epoxy resin that applies of described application point (3) is carried out following coagulation step:
The first step: the coated epoxy resin of a plurality of application point (3) between described optical pickup drive part (1) and the optical pickup opticator (8) is carried out the UV-irradiation of schedule time length, epoxy resin is tentatively solidified;
Second step: the composite entity of described optical pickup drive part (1) and optical pickup opticator (8) is placed on carries out depositing of schedule time length in the temperature-controlled cabinet;
The 3rd step: the composite entity of described optical pickup drive part (1) and optical pickup opticator (8) is placed on carries out depositing of schedule time length in the temperature-controlled cabinet.
8. the technique that is adhesively fixed as claimed in claim 7 is characterized in that, the exposure intensity of described ultraviolet light is 400 ~ 570mW/cm
2
Form the ultraviolet light of irradiation usefulness by ultraviolet source, ultraviolet light is derived by the flexible optical fibre bundle, and the exposure intensity that fibre bundle is derived the ultraviolet light of end is 400 ~ 570 mW/cm
2It is identical that each derives the distance that fibre bundle parts (2) and described optical pickup drive part (1) and optical pickup opticator (8) go up between the centre of corresponding application point, all is a numerical value among 7 ~ 15mm, and tolerance is positive and negative 2mm.
9. the technique that is adhesively fixed as claimed in claim 7, it is characterized in that, the temperature of described temperature-controlled cabinet is 60 ~ 80 degrees centigrade, and the composite entity of described optical pickup drive part (1) and optical pickup opticator (8) is 1.5 ~ 2.5 hours in the schedule time length that described temperature-controlled cabinet is deposited.
10. the technique that is adhesively fixed as claimed in claim 7, it is characterized in that, the resting period of composite entity under described temperature-controlled cabinet and normal temperature of described optical pickup drive part (1) and optical pickup opticator (8) controlled by timer or clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564763XA CN103050135A (en) | 2012-12-24 | 2012-12-24 | Bonding fixation process between optical part and driving part of optical pick-up head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564763XA CN103050135A (en) | 2012-12-24 | 2012-12-24 | Bonding fixation process between optical part and driving part of optical pick-up head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103050135A true CN103050135A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210564763XA Pending CN103050135A (en) | 2012-12-24 | 2012-12-24 | Bonding fixation process between optical part and driving part of optical pick-up head |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620866A (en) * | 2008-07-04 | 2010-01-06 | 日立视听媒体股份有限公司 | Optical pickup device and optical disk drive apparatus |
| CN101645284A (en) * | 2008-08-08 | 2010-02-10 | 日立视听媒体股份有限公司 | Optical pickup device and laser welding structure of optical components |
-
2012
- 2012-12-24 CN CN201210564763XA patent/CN103050135A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620866A (en) * | 2008-07-04 | 2010-01-06 | 日立视听媒体股份有限公司 | Optical pickup device and optical disk drive apparatus |
| CN101645284A (en) * | 2008-08-08 | 2010-02-10 | 日立视听媒体股份有限公司 | Optical pickup device and laser welding structure of optical components |
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Application publication date: 20130417 |