CN204303790U - A kind of for clamping and the device of rotating disk thing - Google Patents
A kind of for clamping and the device of rotating disk thing Download PDFInfo
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- CN204303790U CN204303790U CN201420868692.7U CN201420868692U CN204303790U CN 204303790 U CN204303790 U CN 204303790U CN 201420868692 U CN201420868692 U CN 201420868692U CN 204303790 U CN204303790 U CN 204303790U
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Abstract
The utility model discloses a kind of for clamping and the device of rotating disk thing, by setting up one group of stationary jaw and movable jaw separately along movable base circumferencial direction, each movable jaw is oppositely arranged with a stationary jaw respectively, and by setting up magnet separately at movable jaw and rotation direction both sides thereof, utilize the magneticaction of two like magnetic poles repel each other between adjacent magnets to drive movable jaw to rotate around it center respectively and carry out back rotation, thus the pan be placed on each stationary jaw is clamped or decontrols, there is structure simple, action control mode is reliably convenient, clamping dynamics controlled and can be compatible mutually with all kinds of PROCESS FOR TREATMENT cavity advantage.
Description
Technical field
The utility model relates to semiconductor manufacturing facility technical field, more specifically, relates to a kind of for clamping and the device of rotating disk thing.
Background technology
In the production and processing technology process of integrated circuit, semi-conductor silicon chip or wafer etc. have round-shaped pan, usually all can through multiple tracks manufacturing process such as such as thin film deposition, etching, cleaning, polishings.And in these manufacturing process, often need to carry out rotating technics process in order to support and holding plate-like article to pan by device for clamping and rotating.Particularly between each production and processing technology processing procedure of integrated circuit, in order to remove the pollution impurity being deposited on the surface such as silicon chip or wafer in each manufacturing process, cleaning treatment must be carried out to the silicon chip after subjected to per pass manufacturing process or wafer etc.
When using pan device for clamping and rotating to carry out cleaning treatment to silicon chip or wafer etc., by the pedestal (chuck) circumferentially with some claws, silicon chip or wafer etc. are fixedly clamped, and handle the rotating driving device connected below pedestal, drive the synchronous axial system such as silicon chip or wafer, enable the cleaning chemical liquid or the whole surface of gas uniform fold product that spray to silicon chip or wafer etc., realize cleaning product.Wherein, the response etc. of the structure of claw, method of clamping, position, degree of tightness dynamics and rotating driving device, for ensureing that the safety of product when cleaning and cleaning effect have crucial effect.
The operating state of claw generally comprises three phases: load the pan stage, claw is in open mode, so that pan put into by manipulator; Operation stage, claw is in clamping pan state, pan is rotated with rotation platform and carries out technique; In the unloading pan stage, claw is opened again, so that manipulator pickup pan.
The structural principle of existing pan device for clamping and rotating is roughly divided into three major types: the first kind is that claw is clamped pan by gears meshing; Equations of The Second Kind is that claw is clamped pan by magneticaction; 3rd class is for clamp pan by alternate manner such as electrostatic disk or air cushion form.
But, the problem that above-mentioned traditional device for clamping and rotating all there is claw and control structure is complicated, not easily process, particularly many traditional jaw elements are under the high-speed rotation condition of rotation platform, also easily be subject to centrifugal force and gravitational impact, often need exceed safety standard design or only have shorter stroke when resetting, and between more jaw elements in mutual course of action, also easy because of friction generation particle formation pollution.And adopt Electrostatic Absorption or air cushion form holding plate-like article, more need design complicated control system and control and mobile clamping element in the suitable moment, even need the special and axle linkage rotation mechanism of costliness.In addition, existing device for clamping and rotating does not form the design with advantage yet in the chucking power controlling clamping element, often causes damaged products and particle to produce when holding plate-like article.
Therefore, need to design a kind ofly have that structure is simple, convenient reliable, the new discotic thing device for clamping and rotating that clamping dynamics is controlled of action control mode.
Utility model content
The purpose of this utility model is the above-mentioned defect overcoming prior art existence, a kind of novel device for clamping also rotating disk thing is provided, have that structure is simple, convenient reliable, the advantage that clamping dynamics is controlled of action control mode, effectively can solve complex structure that prior art exists, not easily process, be subject to centrifugal force and centrifugal force impact and easily produce the problem of particle contamination.
For achieving the above object, the technical solution of the utility model is as follows:
For clamping and a device for rotating disk thing, comprising:
Annular rotary platform, horizontally rotates when it is driven;
Annular movable base and fixed pedestal, be located at up and down on described rotation platform, and form synchronous rotary with described rotation platform, rises and landing when described movable base is driven on described fixed pedestal;
One group of stationary jaw and one group of movable jaw, give prominence to and be located at described movable base upper surface, and along described movable base circumferencial direction distribution, the affixed described movable base of described stationary jaw, described movable jaw is rotationally connected described movable base, and each described movable jaw is oppositely arranged with a described stationary jaw respectively; The center of rotation lower portion of each described movable jaw is provided with the first magnet, the outside, described movable jaw rotation direction both sides of corresponding described first magnet is provided with second, third magnet connecting described movable base, fixed pedestal respectively, the magnetic pole of every two adjacent described magnet opposite faces is identical, and the magnetic repulsion between described first, the 3rd magnet is greater than the magnetic repulsion between first, second magnet described;
Wherein, during described movable base landing, each described movable jaw rotates inside described movable base by the effect of larger repulsive force between described first, the 3rd magnet, the described pan be placed on each described stationary jaw is clamped towards each self-corresponding described stationary jaw direction, when described movable base rises, each described movable jaw rotates outside described movable base by the effect of repulsive force between first, second magnet described, is oppositely decontroled by described pan.
Preferably, described movable jaw is L shape, gap is dissolved in the correspondingly-shaped chamber of described movable base up/down perforation, the L shape vertical portion of described movable jaw is rotationally connected by horizontal rotating shaft and described chamber inner wall, its upper end is stretched out by described chamber and higher than described movable base upper surface, the L shape horizontal part of described movable jaw is arranged toward the outer side, the center of gravity of described movable jaw is positioned at the outer side-lower of described rotating shaft, the described L shape horizontal part being positioned at the outer side-lower of described center of gravity is provided with described first magnet, be provided with above it connect described second magnet of described chamber inner wall, below is provided with described 3rd magnet connecting described fixed pedestal, described chamber at described L shape horizontal part under shed, the affixed push rod in described movable base lower surface, described push rod arranges several along described movable base circumference, and vertically passes described fixed pedestal, rotation platform successively, elevating mechanism is provided with below described rotation platform, described elevating mechanism rises by ordering about described push rod or declines, described movable base is driven to rise on described fixed pedestal or land, make described movable jaw described first, between second magnet repulsive force and gravitational torque thereof acting in conjunction under rotate outside described movable base around described rotating shaft, or described first, larger repulsive force between 3rd magnet under overcoming the effect of its gravitational torque, rotate inside described movable base, the described pan be placed on each described stationary jaw is decontroled or clamping.
Preferably, be provided with the loading end for placing described pan inside described stationary jaw and clamp for coordinating with described movable jaw and limit the blocking surface moved outside described pan, be provided with the draw-in groove for clamping described pan inside described movable jaw, effective clamping face that each described claw is formed contour and with the mating shapes of described pan.
Preferably, described elevating mechanism comprises the elevation driving unit, connecting rod and the top board that connect successively, described elevation driving unit rises by ordering about described connecting rod or declines, and drives described top board by described push rod jack-up or falls, making described movable base rise on described fixed pedestal or land.
Preferably, described magnet is permanent magnet.
Preferably, the corner of described movable jaw is limited by the described chamber inner wall spacing of its L shape vertical portion corresponding.
Preferably, the chucking power of described movable jaw is determined by the repulsive force between described first, the 3rd magnet.
Preferably, the quantity of described movable jaw is at least two, and the quantity of described stationary jaw is at least three.
Preferably, described movable base, fixed pedestal and rotation platform are the annular arranged with one heart, and the opposite face of described movable base, fixed pedestal sets up some attracting permanent magnets separately, the affixed described rotation platform of described fixed pedestal.
Preferably, process chambers, the annular stator of upper end open is provided with around described rotation platform periphery successively gap, described annular stator is provided with multiple coil windings, described rotation platform is provided with corresponding magnetic mechanism, described annular stator produces alternating magnetic field when described coil windings passes into alternating current, make the described rotation platform being provided with magnetic mechanism produce the magnetic field contrary with described annular stator, rotate at described process chambers inner suspension to drive described rotation platform; The upper and lower of described claw sets up nozzle separately, for to the upper and lower surperficial inject process medium of described pan, umbrella shape kuppe is provided with in described process chambers below described rotation platform, for water conservancy diversion treatment media, described process chambers is provided with leakage fluid dram and exhaust outlet, be provided with multilayer liftable around described process chambers overthe openings and reclaim secondary chamber, be respectively used to reclaim by the centrifugal different disposal medium thrown away in described pan surface.
As can be seen from technique scheme, the utility model is by setting up one group of stationary jaw and movable jaw separately along movable base circumferencial direction, each movable jaw is oppositely arranged with a stationary jaw respectively, and by setting up magnet separately at movable jaw and rotation direction both sides thereof, utilize the magneticaction of two like magnetic poles repel each other between adjacent magnets to drive movable jaw to rotate around it center respectively and carry out back rotation, thus the pan be placed on each stationary jaw is clamped or decontrols, centrifugal force and centrifugal force can be avoided the adverse effect of movable jaw holding action, reliable retention can be carried out to pan, by the lifting of elevating mechanism, and utilize the chamber spacing holding movable jaw, rotation and the corner of movable jaw can be controlled easily, by selecting suitable magnet combination, movable jaw can be made to act on the power at pan edge suitable, application the utility model is also easy to safeguard for the process chambers of the device clamping also rotating disk thing, and it is little to take up room.Therefore, the utility model has the advantage that structure is simple, action control mode is convenient reliably, clamping dynamics is controlled and can be compatible mutually with all kinds of PROCESS FOR TREATMENT cavity.
Accompanying drawing explanation
Fig. 1 is a kind of for clamping and the structural representation of the device of rotating disk thing of the utility model one embodiment;
Fig. 2 is a kind of for clamping and the partial structurtes schematic perspective view of the device of rotating disk thing of the utility model one embodiment;
Fig. 3 is a kind of for clamping and the structural representation of one of device duty of rotating disk thing of the utility model one embodiment;
Fig. 4 is a kind of for clamping and the mounting structure schematic diagram of the device movable jaw of rotating disk thing of the utility model one embodiment;
Fig. 5 is a kind of for clamping and the structural representation of one of device movable jaw duty of rotating disk thing of the utility model one embodiment;
Fig. 6 is a kind of for clamping and the mounting structure schematic diagram of the device stationary jaw of rotating disk thing of the utility model one embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
It should be noted that, in following detailed description of the invention, when describing embodiment of the present utility model in detail, in order to clearly represent structure of the present utility model so that explanation, special to the structure in accompanying drawing not according to general scale, and carried out partial enlargement, distortion and simplify processes, therefore, should avoid being understood in this, as to restriction of the present utility model.
In following detailed description of the invention of the present utility model, refer to Fig. 1, Fig. 1 is a kind of for clamping and the structural representation of the device of rotating disk thing of the utility model one embodiment.As shown in Figure 1, the device for clamping also rotating disk thing of the present utility model comprises annular movable base 13, fixed pedestal 12 and the rotation platform 11 installed up and down successively, and center aligning level is arranged with one heart; Protrude from described movable base upper surface be also distributed with one group of stationary jaw 16 and one group of movable jaw 15 along movable base 13 circumferencial direction, wherein stationary jaw 16 is for placing pan 17 (such as semi-conductor silicon chip, wafer etc.), and movable jaw 15 clamps for coordinating with stationary jaw 16 to rotate holding plate-like article 17 or oppositely decontrol to remove.Rotation platform 11 can be horizontally rotated when driving; Described fixed pedestal 12 is fixedly mounted on described rotation platform 11, and movable base 13 is located on described fixed pedestal 12 in a detachable fashion, and movable base 13, fixed pedestal 12 can form synchronous rotary with described rotation platform 11.
Please continue to refer to Fig. 1.Device for clamping also rotating disk thing of the present utility model can be integrated with all kinds of existing semiconductor technology process chambers compatibility, and can electromagnetic drive mode, described rotation platform is suspended in process chambers horizontally rotate, various PROCESS FOR TREATMENT is carried out to pan movable base claw placed and clamps.In an embodiment of the present utility model, as shown in Figure 1, process chambers 3, the annular stator 2 of upper end open is provided with around described rotation platform 11 periphery successively gap.Described annular stator 2 is provided with multiple coil windings, and described rotation platform 11 is provided with corresponding magnetic mechanism.Described annular stator 2 can produce alternating magnetic field when described coil windings passes into alternating current, make the described rotation platform 11 being provided with magnetic mechanism produce the magnetic field contrary with described annular stator 2, driven described rotation platform 11 to rotate at described process chambers 3 inner suspension.
Please continue to refer to Fig. 1.Nozzle 6,7 is arranged with, for spraying liquid state, gaseous state treatment media respectively to the described upper and lower surface of pan 17 at the upper and lower of described claw 15,16.Umbrella shape kuppe 33 is provided with, for water conservancy diversion treatment media in described process chambers 3 below described rotation platform 11.Bottom described process chambers 3, be provided with leakage fluid dram 32 and exhaust outlet 31, leakage fluid dram 32 discharges process chambers 3 for the treatment media will flowed down along kuppe 33; Exhaust outlet 31 is for discharging process chambers 3 by the process gas in processing procedure.In addition, be also provided with around described process chambers 3 overthe openings and reclaim secondary chamber 4, reclaim the hood-shaped shape of annular opening that secondary chamber 4 is multilayer liftable (as diagram right side arrow indication).Each layer reclaims secondary chamber 4 and can be respectively used to reclaim by the centrifugal different disposal medium thrown away in described pan 17 surface.
Refer to Fig. 2, Fig. 2 is a kind of for clamping and the partial structurtes schematic perspective view of the device of rotating disk thing of the utility model one embodiment.As shown in Figure 2, one group of stationary jaw 16 and the outstanding upper surface being located at described movable base 13 of movable jaw 15, and along described movable base 13 circumferencial direction distribution.The quantity of described movable jaw 15 is at least two, and the quantity of described stationary jaw 16 is at least three.In the present embodiment, adopt four stationary jaws 16 to coordinate with two movable jaws 15 to install.Described stationary jaw 16 is vertically fixedly mounted in described movable base 13, and described movable jaw 15 is connected with described movable base 13 with rotating manner.Described stationary jaw 16 is oppositely arranged each described movable jaw 15 with one respectively, and namely movable jaw 15 and corresponding stationary jaw 16 were positioned at (stationary jaw had more can be arranged on other positions of movable base circumference) on the straight line in movable base 13 center of circle.The principle of such design is, the clamping force of movable jaw is the side acting on pan, and its thrust is promoted to opposite side by pan, therefore, the stationary jaw arranged at movable jaw opposite side can act on contrary power, namely by both cooperation clamping pans.
Can rise on described fixed pedestal 12 and land when described movable base 13 is driven.Please continue to refer to Fig. 1 and composition graphs 2.In the lower surface of described movable base 13, push rod 14 is fixedly housed, described push rod 14 can arrange several along described movable base 13 circumference, and vertically passes described fixed pedestal 12, rotation platform 11 successively.In the present embodiment, as shown in Figure 2, the quantity of described push rod 14 is three, is evenly arranged on the lower surface of described movable base, and avoids the installation site (wherein a push rod in left side is blocked and does not show) of claw.Below described rotation platform 11, be provided with elevating mechanism, described elevating mechanism comprises the elevation driving unit 51, connecting rod 52 and the top board 53 that connect successively.Described elevation driving unit 51 rises by ordering about described connecting rod 52 or declines (as diagram below arrow indication), the described top board 53 of drivening rod upper end can rise or decline.
Refer to Fig. 3, Fig. 3 is a kind of for clamping and the structural representation of one of device duty of rotating disk thing of the utility model one embodiment, its show described elevating mechanism drive described movable base to rise after duty (effect of shown by arrow is identical with Fig. 1).Meanwhile, incorporated by reference to consulting Fig. 1, its show described elevating mechanism drive described movable base decline after duty.As shown in figures 1 and 3, described elevating mechanism drives vertical connecting rod 52 to rise or decline by described elevation driving unit 51, the horizontal top 53 of drivening rod upper end rises or declines, top board 53 and then by three push rod 14 jack-up or can fall, thus make described movable base 13 on described fixed pedestal 12, rise (please refer to Fig. 3) or landing (please refer to Fig. 1).As an embodiment, described elevation driving unit 51 can be cylinder or electric cylinder, or other straight line driving mechanisms.
In the device for clamping also rotating disk thing of the present utility model, the rotation of described movable jaw is realized by magnetically-actuated mode.Specifically in the center of rotation lower portion of each described movable jaw, the first magnet is installed, in the outside, described movable jaw rotation direction both sides of described first magnet of correspondence, second, third magnet connecting described movable base, fixed pedestal is respectively installed, and, make the magnetic pole of every two adjacent described magnet opposite faces identical, and the magnetic repulsion between described first, the 3rd magnet is greater than the magnetic repulsion between first, second magnet described.
As the utility model one embodiment, refer to Fig. 4, Fig. 4 is a kind of for clamping and the mounting structure schematic diagram of the device movable jaw of rotating disk thing of the utility model one embodiment.As shown in Figure 4, described movable jaw is L shape, and gap is dissolved in the correspondingly-shaped chamber 131 of described movable base 13 up/down perforation.The L shape vertical portion 151 of described movable jaw is rotationally connected by horizontal rotating shaft 152 and described chamber 131 inwall.The upper end, L shape vertical portion 153 of described movable jaw is stretched out by described chamber 131, and higher than described movable base 13 upper surface.The L shape horizontal part 156 of described movable jaw is towards the arranged outside of described movable base 13.
Please continue to refer to Fig. 4.The design of centre of gravity of described movable jaw is being positioned at the outer side-lower (diagram slightly) of described rotating shaft 152.The first magnet 155 is provided with in described L shape horizontal part 156, the position that is positioned at the outer side-lower of described movable jaw center of gravity, above the first magnet, the inner wall position of the corresponding described L shape horizontal part shape of described movable base chamber 131 is provided with the second magnet 132, and in the below of the first magnet, the correspondence position of described fixed pedestal 12 is provided with the 3rd magnet 121.Described chamber 131, at described L shape horizontal part 156 position opening downwards, communicates with the correspondence position of described fixed pedestal 12.
Please continue to refer to Fig. 4.As preferably, described first, second, and third magnet 155,132,121 can be permanent magnet (following adopt first, second, and third magnet statement).As an Installation Example, the N pole of described first magnet 155 upwards, S arranges extremely downwards, and the N of described second magnet 132 extremely downwards, S pole upwards arranges, and the S pole of described 3rd magnet 121 upwards, N arranges extremely downwards.The magnetic direction of each magnet 155,132,121 is vertical direction, makes between first, second magnet 155,132 and forms the magnetic repulsion of two like magnetic poles repel each other between the first, the 3rd magnet 155,121.Further, the magnetic repulsion between described first, the 3rd magnet is made to be greater than magnetic repulsion between first, second magnet described.
The rotating drive principle of the utility model movable jaw is, when needs movable jaw clamping pan, described movable base is driven to drop on fixed pedestal by elevating mechanism, each described movable jaw is by the effect of the larger magnetic repulsion be greater than between described first, the 3rd magnet between first, second magnet described, rotate inside described movable base around its rotating shaft, the described pan be placed on each described stationary jaw is clamped towards each self-corresponding described stationary jaw direction of movable jaw; When needs movable jaw decontrols pan, drive described movable base to rise by elevating mechanism and depart from fixed pedestal, make described first, the 3rd magnet mutually away from, effective magnetic repulsion cannot be produced, thus, each described movable jaw is only subject to the effect of repulsive force between first, second magnet described, successfully can rotate outside described movable base, described pan is oppositely decontroled.
In the concrete preferred embodiment of the utility model one, refer to Fig. 5, Fig. 5 is a kind of for clamping and the structural representation of one of device movable jaw duty of rotating disk thing of the utility model one embodiment, and it shows duty when described movable jaw decontrols described pan 17.Meanwhile, incorporated by reference to consulting Fig. 4, it shows duty when described movable jaw clamps described pan 17.As shown in Fig. 5 and Fig. 4, can open more rapidly, reliably under the effect of magnetic repulsion to make described movable jaw, and, speed can be slowed down when switching from open mode to clamp position, avoid impacting described pan and damaging and produce particle further, the design of centre of gravity of described movable jaw is being positioned at the outer side-lower (diagram slightly) of described rotating shaft 152 by the utility model especially.The L shape horizontal part structure that this design is transferred laterally by described movable jaw easily realizes.
Please continue to refer to Fig. 5 and Fig. 4.When needs movable jaw decontrols pan, drive described movable base 13 to rise by elevating mechanism and depart from fixed pedestal 12, make described first, the 3rd magnet 155,121 mutually away from, effective magnetic repulsion cannot be produced.Now, each described movable jaw will only be subject to the effect of magnetic repulsion between first, second magnet 155,132 described.Meanwhile, the center of gravity due to described movable jaw is deflection L shape horizontal part, and itself 152 can rotate around the shaft counterclockwise as illustrated in a free state.Therefore, under the force action of described movable jaw magnetic repulsion between its gravitational torque and first, second magnet 155,132 described, promptly will rotate outside described movable base 13, unclamp the pan 17 of clamping.When needs movable jaw clamping pan, described movable base 13 is driven to drop on fixed pedestal 12 by elevating mechanism, now, described first, the 3rd magnet 155,121 is pressed close to mutually, again plays the effect being greater than magnetic repulsion between first, second magnet 155,132 described.And, by design, the magnetic repulsion between described first, the 3rd magnet being greater than, magnetic repulsion between first, second magnet described and himself gravitational torque formed maximumly makes a concerted effort, under making the magnetic repulsion effect that described movable jaw is larger between described first, the 3rd magnet, gentle ground rotates inside described movable base 13 around its rotating shaft 152, is clamped gradually by the described pan 17 be placed on each described stationary jaw towards each self-corresponding described stationary jaw direction of movable jaw.
As can be seen from Fig. 5 and Fig. 4, the corner (namely illustrating the maximum rotation angle around its rotating shaft left-right rotation) of described movable jaw can be limited by the described movable base chamber 131 inwall spacing of correspondence described movable jaw L shape vertical portion 151.Further, the chucking power of described movable jaw can be determined by the repulsive force between described first, the 3rd magnet 155,121.By rationally processing described movable base chamber and coordinating spacing between described movable jaw, and by selecting suitable magnet combination, it is suitable to make the corner of movable jaw and act on the power at pan edge.Preferably, when movable jaw is positioned at clamped position, movable jaw L shape horizontal part 156 does not preferably all contact with fixed pedestal 12 with movable base 13.
Refer to Fig. 6, Fig. 6 is a kind of for clamping and the mounting structure schematic diagram of the device stationary jaw of rotating disk thing of the utility model one embodiment.As shown in Figure 6, be provided with the horizontal bearing face 161 for placing described pan 17 inside described stationary jaw and clamp for coordinating with described movable jaw and limit the vertical blocking surface 162 moved outside described pan.Referring to Fig. 4 and Fig. 5 again, inside the upper-end part of driving 153 that described movable jaw gives prominence to movable base upper surface, being provided with the arc-shaped slot 154 for clamping described pan matched with stationary jaw.When movable jaw is positioned at clip position, the effective clamping face height formed between the draw-in groove 154 of all described movable jaws 15 and the loading end 161 of all stationary jaws 16 is consistent, and with the mating shapes of described pan 17, so that each described movable jaw 15 can synchronously clamp, and the blocking surface 162 of each described stationary jaw 16 can stop pan 17 to move outside movable base 13 simultaneously.
In addition, in order to prevent when following rotation platform and rotating, relative movement occurring between movable base and fixed pedestal, spacing or gripping mechanism can be arranged between the two.Alternatively, some attracting permanent magnets (figure slightly) can be set up separately at the opposite face of described movable base, fixed pedestal, its relative position can be ensured.
Incorporated by reference to consulting Fig. 1 ~ Fig. 6.When device for clamping also rotating disk thing of the present utility model works, first elevating mechanism is started by push rod jack-up, make movable base increase to be separated with fixed pedestal, movable jaw rotates counterclockwise around the shaft under magnetic repulsion and the acting in conjunction of self gravitation deflection torque thereof between first, second magnet, movable jaw upper end is deflected outside movable base, the open-shaped state of movable jaw, the expanded range between itself and stationary jaw.Now, manipulator can be adopted to be placed into the loading end of each stationary jaw by pan (such as the semiconductor product such as silicon chip or wafer) from the overthe openings of process chambers.
Then, by elevating mechanism counter motion, the movable base of being lifted by push rod is put down, under the magnetic repulsion effect of movable jaw between the first, the 3rd magnet, overcome magnetic repulsion between first, second magnet and self gravitation torque is made a concerted effort, rotate clockwise around the shaft, movable jaw upper end is deflected inside movable base, movable jaw is drawn close to stationary jaw direction gradually, is clamped by pan to corresponding stationary jaw direction; Further, by the blocking surface of stationary jaw, the clip position of pan is limited.The effective clamping face formed between movable jaw and stationary jaw is limited by the corner design of movable jaw; The chucking power of movable jaw is by magnetic repulsion between the first, the 3rd magnet (must consider the magnetic repulsion that overcomes between first, second magnet and with the making a concerted effort of self gravitation torque) design limiting.
After pan clamping is put in place, upper and lower nozzle can be opened, to pan upper and lower surface inject process medium, and, start annular stator, alternating current is passed into produce alternating magnetic field to its coil windings, makes the rotation platform being provided with magnetic mechanism produce the magnetic field contrary with annular stator, drive rotation platform to rotate at process chambers inner suspension and carry out treatment process.Meanwhile, start the secondary chamber of each process and be elevated recovery height to needing respectively at different disposal operation stage, the different disposal medium thrown away by the effect of rotation platform rotary centrifugal force from pan surface is reclaimed respectively.After the process be not recycled, medium after settling, and by flowing to bottom process chambers after umbrella shape kuppe water conservancy diversion, then the leakage fluid dram bottom process chambers is discharged.And the gas medium after process will discharge cavity by exhaust outlet.
After treatment process terminates, stop process equipment runs, and again movable base is risen, and opens movable jaw, is taken out by pan by manipulator, complete a process treatment process.
In sum, the utility model is by setting up one group of stationary jaw and movable jaw separately along movable base circumferencial direction, each movable jaw is oppositely arranged with a stationary jaw respectively, and pass through in movable jaw L shape horizontal part and upper and lower movable base thereof, fixed pedestal sets up magnet separately, utilize the suitable magneticaction of two like magnetic poles repel each other between adjacent magnets, movable jaw is driven to carry out back rotation around its rotating shaft respectively, thus the pan be placed on each stationary jaw loading end is clamped or decontrols, centrifugal force and centrifugal force can be avoided the adverse effect of movable jaw holding action, reliable retention can be carried out to pan, by the lifting of elevating mechanism, and utilize the movable base chamber spacing holding movable jaw, rotation and the corner size of movable jaw can be controlled easily, by selecting the combination of suitable magnet, movable jaw can be made to act on the power at pan edge suitable, the process chambers applying the device for clamping also rotating disk thing of the present utility model is also easy to safeguard, and it is little to take up room.Therefore, the utility model has the advantage that structure is simple, action control mode is convenient reliably, clamping dynamics is controlled and can be compatible mutually with all kinds of PROCESS FOR TREATMENT cavity.
Above-describedly be only preferred embodiment of the present utility model; described embodiment is also not used to limit scope of patent protection of the present utility model; therefore the equivalent structure that every utilization description of the present utility model and accompanying drawing content are done changes, and in like manner all should be included in protection domain of the present utility model.
Claims (10)
1., for clamping and a device for rotating disk thing, it is characterized in that, comprise:
Annular rotary platform, horizontally rotates when it is driven;
Annular movable base and fixed pedestal, be located at up and down on described rotation platform, and form synchronous rotary with described rotation platform, rises and landing when described movable base is driven on described fixed pedestal;
One group of stationary jaw and one group of movable jaw, give prominence to and be located at described movable base upper surface, and along described movable base circumferencial direction distribution, the affixed described movable base of described stationary jaw, described movable jaw is rotationally connected described movable base, and each described movable jaw is oppositely arranged with a described stationary jaw respectively; The center of rotation lower portion of each described movable jaw is provided with the first magnet, the outside, described movable jaw rotation direction both sides of corresponding described first magnet is provided with second, third magnet connecting described movable base, fixed pedestal respectively, the magnetic pole of every two adjacent described magnet opposite faces is identical, and the magnetic repulsion between described first, the 3rd magnet is greater than the magnetic repulsion between first, second magnet described;
Wherein, during described movable base landing, each described movable jaw rotates inside described movable base by the effect of repulsive force between described first, the 3rd magnet, the described pan be placed on each described stationary jaw is clamped towards each self-corresponding described stationary jaw direction, when described movable base rises, each described movable jaw rotates outside described movable base by the effect of repulsive force between first, second magnet described, is oppositely decontroled by described pan.
2. according to claim 1 for clamping and the device of rotating disk thing, it is characterized in that, described movable jaw is L shape, gap is dissolved in the correspondingly-shaped chamber of described movable base up/down perforation, the L shape vertical portion of described movable jaw is rotationally connected by horizontal rotating shaft and described chamber inner wall, its upper end is stretched out by described chamber and higher than described movable base upper surface, the L shape horizontal part of described movable jaw is arranged toward the outer side; The center of gravity of described movable jaw is positioned at the outer side-lower of described rotating shaft, the described L shape horizontal part being positioned at the outer side-lower of described center of gravity is provided with described first magnet, be provided with above it connect described second magnet of described chamber inner wall, below is provided with described 3rd magnet connecting described fixed pedestal, described chamber at described L shape horizontal part under shed; The affixed push rod in described movable base lower surface, described push rod arranges several along described movable base circumference, and vertically passes described fixed pedestal, rotation platform successively; Elevating mechanism is provided with below described rotation platform, described elevating mechanism rises by ordering about described push rod or declines, described movable base is driven to rise on described fixed pedestal or land, rotate outside described movable base around described rotating shaft under making the acting in conjunction of described movable jaw repulsive force and gravitational torque thereof between first, second magnet described, or between described first, the 3rd magnet repulsive force under overcoming the effect of its gravitational torque, rotate inside described movable base, the described pan be placed on each described stationary jaw is decontroled or clamping.
3. according to claim 1 and 2 for clamping and the device of rotating disk thing, it is characterized in that, be provided with the loading end for placing described pan inside described stationary jaw and clamp for coordinating with described movable jaw and limit the blocking surface moved outside described pan, be provided with the draw-in groove for clamping described pan inside described movable jaw, effective clamping face that each described claw is formed contour and with the mating shapes of described pan.
4. according to claim 2 for clamping and the device of rotating disk thing, it is characterized in that, described elevating mechanism comprises the elevation driving unit, connecting rod and the top board that connect successively, described elevation driving unit rises by ordering about described connecting rod or declines, drive described top board by described push rod jack-up or fall, making described movable base rise on described fixed pedestal or land.
5. according to claim 1 and 2 for clamping and the device of rotating disk thing, it is characterized in that, described magnet is permanent magnet.
6. the device for clamping also rotating disk thing according to claim 2, is characterized in that, the corner of described movable jaw is limited by the described chamber inner wall spacing of its L shape vertical portion corresponding.
7. the device for clamping also rotating disk thing according to claim 1 and 2, is characterized in that, the chucking power of described movable jaw is determined by the repulsive force between described first, the 3rd magnet.
8. according to claim 1 and 2 for clamping and the device of rotating disk thing, it is characterized in that, the quantity of described movable jaw is at least two, and the quantity of described stationary jaw is at least three.
9. according to claim 1 and 2 for clamping and the device of rotating disk thing, it is characterized in that, described movable base, fixed pedestal and rotation platform are the annular arranged with one heart, the opposite face of described movable base, fixed pedestal sets up some attracting permanent magnets separately, the affixed described rotation platform of described fixed pedestal.
10. according to claim 1 and 2 for clamping and the device of rotating disk thing, it is characterized in that, process chambers, the annular stator of upper end open is provided with around described rotation platform periphery successively gap, described annular stator is provided with multiple coil windings, described rotation platform is provided with corresponding magnetic mechanism, described annular stator produces alternating magnetic field when described coil windings passes into alternating current, make the described rotation platform being provided with magnetic mechanism produce the magnetic field contrary with described annular stator, rotate at described process chambers inner suspension to drive described rotation platform; The upper and lower of described claw sets up nozzle separately, for to the upper and lower surperficial inject process medium of described pan, umbrella shape kuppe is provided with in described process chambers below described rotation platform, for water conservancy diversion treatment media, described process chambers is provided with leakage fluid dram and exhaust outlet, be provided with multilayer liftable around described process chambers overthe openings and reclaim secondary chamber, be respectively used to reclaim by the centrifugal different disposal medium thrown away in described pan surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868692.7U CN204303790U (en) | 2014-12-31 | 2014-12-31 | A kind of for clamping and the device of rotating disk thing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868692.7U CN204303790U (en) | 2014-12-31 | 2014-12-31 | A kind of for clamping and the device of rotating disk thing |
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| CN204303790U true CN204303790U (en) | 2015-04-29 |
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| CN201420868692.7U Active CN204303790U (en) | 2014-12-31 | 2014-12-31 | A kind of for clamping and the device of rotating disk thing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538345A (en) * | 2014-12-31 | 2015-04-22 | 北京七星华创电子股份有限公司 | Disk clamping and rotating device |
| CN105470192A (en) * | 2016-01-05 | 2016-04-06 | 天津华海清科机电科技有限公司 | Wafer clamping mechanism |
| CN105609462A (en) * | 2016-01-05 | 2016-05-25 | 天津华海清科机电科技有限公司 | Wafer clamping mechanism |
| CN110504207A (en) * | 2018-05-18 | 2019-11-26 | 北京北方华创微电子装备有限公司 | Support construction, tray support component and processing chamber |
| CN113466659A (en) * | 2021-06-28 | 2021-10-01 | 昆山兢美电子科技有限公司 | Flying probe testing device for printed circuit board detection |
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2014
- 2014-12-31 CN CN201420868692.7U patent/CN204303790U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538345A (en) * | 2014-12-31 | 2015-04-22 | 北京七星华创电子股份有限公司 | Disk clamping and rotating device |
| WO2016107131A1 (en) * | 2014-12-31 | 2016-07-07 | 北京七星华创电子股份有限公司 | Disk clamping and rotating device |
| CN104538345B (en) * | 2014-12-31 | 2017-06-06 | 北京七星华创电子股份有限公司 | A kind of pan device for clamping and rotating |
| CN105470192A (en) * | 2016-01-05 | 2016-04-06 | 天津华海清科机电科技有限公司 | Wafer clamping mechanism |
| CN105609462A (en) * | 2016-01-05 | 2016-05-25 | 天津华海清科机电科技有限公司 | Wafer clamping mechanism |
| CN110504207A (en) * | 2018-05-18 | 2019-11-26 | 北京北方华创微电子装备有限公司 | Support construction, tray support component and processing chamber |
| CN113466659A (en) * | 2021-06-28 | 2021-10-01 | 昆山兢美电子科技有限公司 | Flying probe testing device for printed circuit board detection |
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