CN103762196A - Disk clamping device and disk rotating platform - Google Patents
Disk clamping device and disk rotating platform Download PDFInfo
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- CN103762196A CN103762196A CN201410058299.6A CN201410058299A CN103762196A CN 103762196 A CN103762196 A CN 103762196A CN 201410058299 A CN201410058299 A CN 201410058299A CN 103762196 A CN103762196 A CN 103762196A
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- pan
- strutting piece
- movable base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68721—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by edge clamping, e.g. clamping ring
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Abstract
The invention discloses a disk clamping device which comprises clamping parts, a lifting part and a lifting actuator. The clamping part comprises an annular movable base, the movable base can vertically move, the multiple clamping parts are arranged in the peripheral direction, supporting parts matched with the clamping parts to be used for bearing disks are arranged below the clamping parts, and the clamping parts and the supporting parts can move in a relatively vertical mode. The lower end of the lifting part is connected with the lifting actuator for driving the lifting part to vertically move, and the upper end of the lifting part controls the movable base to vertically move. According to the disk clamping device, the distances between the clamping parts and the supporting parts are controlled by vertical motion of the lifting part to open and close a silicon wafer. According to the disk clamping device, a novel clamping device is provided on the basis of an existing electromagnetic suspension platform, the motion mode of the disk clamping device is simple and convenient to use, and a mechanical arm can conveniently pick and place the silicon wafer and clamp the silicon wafer to enable the silicon wafer to rotate at the high speed on the suspension platform.
Description
Technical field
The present invention relates to semiconductor wafer technology field, particularly relate to the rotation platform of a kind of disk clamping device and pan.
Background technology
In the production technology of integrated circuit, pan will stand as kinds of surface treatment process steps such as etching, cleaning, polishing, thin film depositions such as semiconductor wafer or silicon chip.And in these processes, all need to support and holding plate-like article by clamping device, existing disk clamping device is roughly divided into three major types: the first kind is that clamp assemblies meshes by gear pan is clamped; Equations of The Second Kind is that clamp assemblies clamps pan by magneticaction; The 3rd class is that clamp assemblies passes through other mechanical system pan is clamped, for example US Patent No. 20120018940A1 has disclosed a kind of clamping device, thereby by gear, mesh the clamping realizing pan, by magnetic force, controlled the open and close of clamping device.
At present, developed a kind of electromagnet suspension rotation platform on market, passed into after alternating current, the silicon slice platform that is provided with magnetic devices can produce the magnetic field contrary with annular stator, and annular stator is controlled clamping part and suspended and drive clamping part rotation.By utilizing electromagnetic force that silicon chip carrying platform is stably suspended in the air, improved the stability of silicon chip carrying platform.Now for this electromagnetic suspension rotation platform, need a kind of novel and clamping device that motion mode is easy of development, facilitate mechanical arm to pick and place silicon chip and make silicon chip on floating platform, keep High Rotation Speed.
Summary of the invention
Technical problem to be solved by this invention is to provide the rotation platform of a kind of disk clamping device and pan, facilitates mechanical arm to pick and place silicon chip.
In order to solve the problems of the technologies described above, the invention provides a kind of clamping device of pan, comprise clamping part, lifting unit, lifting actuator; Wherein, described clamping part comprises the movable base of ring bodies; Described movable base can move up and down and circumferencial direction on a plurality of clamping elements that distribute, the below of described clamping element is provided with matches with it for carrying the strutting piece of pan, between described clamping element and described strutting piece, can relatively move both vertically; The lower end of described lifting unit connects the lifting actuator for driving described lifting unit to move up and down; Moving up and down of described movable base controlled in the upper end of described lifting unit; When lifting unit pushes described movable base and moves upward, be fixed on clamping element in described movable base away from described strutting piece, for picking and placeing pan; When lifting unit pulls described movable base to move downward, described clamping element and described strutting piece are close to each other until clamp pan.
Preferably, described lifting unit comprises quill shaft and the impeller that can move up and down, and described quill shaft lower end is connected with described lifting actuator, and the upper end of described quill shaft is fixedly connected with described impeller.
Preferably, described clamping part also comprises fixed pedestal, outer ring and lower member; Wherein, the below of described movable base is provided with annular fixed pedestal, fixedly mounts a plurality of strutting pieces on the circumferencial direction of described fixed pedestal; Described fixed pedestal below is provided with described outer ring, in described outer ring, is provided with magnetic devices; Described lower member is fixedly connected with by connector with described movable base; Described impeller promotes described lower member, makes described lower member carry out knee-action.
Preferably, described strutting piece comprises loading end and keeps out face, described in keep out the transverse shifting jut that mask is useful on the described pan of restriction, described in keep out face against the edge of described pan; Described clamping element comprises for loading the loading surface of pan and for clamping the clamping area of pan, described loading surface is positioned at the below of described clamping area; Described clamping element is provided with the semi-circular recesses moving up and down for strutting piece, the clamping area of the described clamping element clamping pan that matches with the loading end of described strutting piece, and the distance between described clamping area and described loading end and the thickness of pan adapt.
Preferably, described clamping part also comprises fixed pedestal, outer ring and lower member; Wherein, described strutting piece is arranged in described movable base and described strutting piece can be up and down with respect to described movable base, described fixed pedestal is provided with and the corresponding push rod in described strutting piece position, described push rod is used for pushing described strutting piece, and the distance between described strutting piece and described clamping element is dwindled; Described fixed pedestal below is provided with described outer ring, in described outer ring, is provided with magnetic devices; Described lower member is fixedly connected with by connector with described movable base; Described impeller promotes described lower member, makes described lower member carry out knee-action.
Preferably, the upper end of described push rod is spherical.
Preferably, the upper end of described strutting piece comprises loading end and keeps out face, describedly keep out the jut of transverse shifting that mask is useful on the described pan of restriction, described in keep out face against the edge of described pan, the lower end of described strutting piece is provided with the protruding block that restriction strutting piece moves upward; Described clamping element comprises for clamping the clamping area of pan; The clamping area of the described clamping element clamping pan that matches with the loading end of described strutting piece, the distance between described clamping area and described loading end and the thickness of pan adapt.
Preferably, the loading end of described strutting piece is the arc surface protruding to loading end outer surface.
Preferably, the clamping area of described clamping element is provided with pyramidal projections.
Preferably, between described protruding block and described movable base, be provided with elastic component.
Preferably, between described impeller and described lower member, be provided with the suction device that prevents both relative slidings; Or/and be provided with the suction device that prevents both relative slidings between described fixed pedestal and described movable base.
Preferably, between described impeller and described lower member, be provided with at least one group of magnet; Or/and be provided with at least one group of magnet between described fixed pedestal and described movable base.
Preferably, the quantity of described strutting piece is no less than the quantity of described clamping element.
The present invention also provides a kind of rotation platform of pan, it is characterized in that, comprises annular stator, supporting bracket, cavity; Wherein, be provided with a plurality of coils in described annular stator, described annular stator is carried in described supporting bracket upper end, and described supporting bracket lower end connects described cavity, is provided with the clamping device of the pan as described in as arbitrary in claim 1～13 in described cavity.
Preferably, the lower end of described cavity is provided with leakage fluid dram or/and exhaust outlet.
Compare with existing scheme, the present invention provides a kind of novel clamping device on the basis of existing electromagnetic suspension platform, and its motion mode is easy, facilitates mechanical arm to pick and place silicon chip and clamp silicon chip to make silicon chip on floating platform, keep High Rotation Speed.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic perspective view of pan rotation platform of the present invention;
Fig. 2 is that first embodiment of the invention disk clamping device is positioned at the structural representation while clamping;
Fig. 3 is that first embodiment of the invention disk clamping device is positioned at the structural representation while opening;
Fig. 4 is the local enlarged diagram of first embodiment of the invention disk clamping device;
Fig. 5 is the structural representation of first embodiment of the invention strutting piece;
Fig. 6 is the structural representation of first embodiment of the invention clamping element;
Fig. 7 is the structural representation of the present invention's two embodiment disk clamping devices;
Fig. 8 is that the present invention's two embodiment disk clamping devices are positioned at the structural representation while clamping;
Fig. 9 is that second embodiment of the invention disk clamping device is positioned at the structural representation while opening;
Figure 10 is the structural representation of second embodiment of the invention strutting piece;
Figure 11 is the structural representation of second embodiment of the invention clamping element.
Primary clustering symbol description:
1, clamping part; 11, outer ring; 12, fixed pedestal; 13, strutting piece; 13a loading end; 13b keeps out face; 13f protruding block; 14, movable base; 15, clamping element; 15c loading surface; 15d clamping area; 15e groove; 16, lower member; 17, connector; 2, annular stator; 3, lifting unit; 31, quill shaft; 32, impeller; 4, supporting bracket; 5, cavity; 51, sidewall; 52, leakage fluid dram; 6, push rod; 7, elastic component.
Embodiment
Below will coordinate graphic and embodiment to describe embodiments of the present invention in detail, and by this present invention's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
Embodiment mono-
Shown in Fig. 6, the invention provides a kind of rotation platform of pan, comprise clamping part 1, annular stator 2, lifting unit 3, supporting bracket 4 and cavity 5; In the present embodiment, pan is silicon chip W, wherein:
Described clamping part 1 comprises the movable base 14 of ring bodies, the fixed pedestal 12 of ring bodies, outer ring 11 and lower member 16; Described movable base 14 can move up and down and circumferencial direction on a plurality of clamping elements 15 that distribute, on the circumferencial direction of described fixed pedestal 12, fixedly mount a plurality of strutting pieces 13 that match with clamping element 15, described clamping element 15 is provided with the groove 15e passing for described strutting piece 13; Described fixed pedestal 12 belows are provided with described outer ring 11, in described outer ring 11, are provided with magnetic devices; Described lower member 16 is fixedly connected with by connector 17 with described movable base 14.
In described annular stator 2, be provided with a plurality of coils;
Described lifting unit 3 comprises quill shaft 31 and the impeller 32 that can move up and down, and described quill shaft 31 lower ends are connected with described lifting actuator (not shown), and the upper end of described quill shaft 31 is fixedly connected with described impeller 32;
Described annular stator 2 is carried in described supporting bracket 13 upper ends, and described supporting bracket 13 lower ends connect described cavity 5;
The lower end of described cavity 5 is provided with leakage fluid dram 52 or/and exhaust outlet (not shown).
In addition, the external diameter of described clamping part 1 is less than the internal diameter of described annular stator 2, and the sidewall 51 of cavity 5, between clamping part 1 and annular stator 2, exists certain gap between described clamping part 1 and the sidewall 51 of described cavity 5.After energising, the magnetic devices in described clamping part 1 passes into alternating current and produces alternating magnetic field, thereby annular stator 2 generates the magnetic field contrary with it, and annular stator 2 can be controlled clamping part 1 and suspends and drive clamping part 1 rotation.
In the present embodiment, the operation principle of clamping device is:
When pan is during in loading condition, described in lifting actuator driven, lifting unit 3 moves upward, the impeller 32 of described lifting unit 3 promotes upwards action of lower member 16, because lower member 16 is fixedly connected with connector 17, described connector 17 is fixedly connected with movable base 14, so the impeller 32 of lifting unit 3 promotes described movable base 14 and moves upward, because described strutting piece 13 is fixed on described fixed pedestal 12, so be fixed on clamping element 15 the moving upward gradually away from described strutting piece 13 along with movable base 14 on movable machine base 14, when the distance between clamping element 15 and described strutting piece 13 is suitable, between clamping element 15 and strutting piece 13, carry out silicon chip and pick and place action.In the present embodiment, described lifting actuator can be electric cylinder or cylinder.
First, manipulator is placed on pan the loading surface 15c of clamping element 15, described lifting unit 3 moves downward, therefore the impeller 32 of described lifting unit 3 moves downward thereupon, described strutting piece 13 moves upward relatively, when the loading end 13a of strutting piece 13 is during higher than described clamping element 15 loading surface 15c, pan is carried on the loading end 13a of described strutting piece 13, clamping part 1 is at self gravitation or under impeller 32 pulling force, described lower member 16, connector 17 moves downward with the movable base 14 that is provided with clamping element 15 simultaneously, because strutting piece 13 is fixed on described fixed pedestal 12, so the distance between strutting piece 13 and described clamping element 15 is dwindled gradually until clamp pan.
In order to prevent relative sliding between described impeller 32 and described lower member 16, between described impeller 32 and described lower member 16, be provided with suction device, described suction device is for respectively establishing the magnet attracting each other in described impeller 32 or in described lower member 16; Simultaneously, in order to prevent relative sliding between described fixed pedestal 12 and described movable base 14, between described fixed pedestal 12 and described movable base 14, be provided with the same suction device that prevents both relative slidings, described suction device is preferably one group of magnet attracting each other.
What deserves to be explained is, in order better to carry pan, strengthen the stability of pan carrying, the quantity of described strutting piece 13 is no less than the quantity of described clamping element 15.
Please refer to Fig. 5, Fig. 6, described strutting piece 13 comprises loading end 13a and keeps out face 13b, described in keep out face 13b and have for limiting the transverse shifting jut of described pan, described in keep out face 13b against the edge of described pan; Described clamping element 15 comprises for loading the loading surface 15c of pan and for clamping the clamping area 15d of pan, described loading surface 15c is positioned at the below of described clamping area 15d; Described clamping element 15 is provided with the semi-circular recesses 15e moving up and down for strutting piece 13, the clamping area 15d of the described clamping element 15 clamping pan that matches with the loading end 13a of described strutting piece 13, the distance between described clamping area 15d and described loading end 13a and the thickness of pan adapt.
In order to reduce the contact-making surface of clamping element 15 or described strutting piece 13 and silicon chip, the loading end 13a of described strutting piece 13 is the arc surface protruding to loading end outer surface; The clamping area 15d of described clamping element 15 is provided with the downward pyramidal projections of cone point.
Embodiment bis-
On the basis of embodiment mono-, different from embodiment mono-: please refer to Fig. 7 to Figure 11, described clamping part 1 comprises the movable base 14 of ring bodies, the fixed pedestal 12 of ring bodies, outer ring 11 and lower member 16; Wherein, in described movable base 14, be fixed with a plurality of clamping elements 15, described movable base 14 is provided with a plurality of with respect to described movable base 14 strutting piece 13 movable up and down, described strutting piece 13 is corresponding with the position of described clamping element 15, described fixed pedestal 12 is located at the below of described movable base 14, and described fixed pedestal 12 is provided with and the described strutting piece 13 corresponding spherical push rods 6 in position; Same, described fixed pedestal 12 belows are provided with described outer ring 11, in described outer ring 11, are provided with magnetic devices; Described lower member 16 is fixedly connected with by connector 17 with described movable base 14; Described impeller 32 promotes described lower member 16, makes described lower member 16 carry out knee-action.
Please refer to Figure 10,11, the upper end of described strutting piece 13 comprises loading end 13a and keeps out face 13b, the described face 13b that keeps out has for limiting the jut of the transverse shifting of described pan, the described face 13b that keeps out is against the edge of described pan, and the lower end of described strutting piece 13 is provided with the protruding block that restriction strutting piece 13 moves upward; Described clamping element 15 comprises for clamping the clamping area 15d of pan; The clamping area 15d of the described clamping element 15 clamping pan that matches with the loading end 13a of described strutting piece 13, the distance between described clamping area 15d and described loading end 13a and the thickness of pan adapt.
In order to reduce the contact-making surface of clamping element 15 or described strutting piece 13 and silicon chip, the loading end 13a of described strutting piece 13 is the arc surface protruding to loading end outer surface; The clamping area 15d of described clamping element 15 is provided with pyramidal projections.
In order better to make strutting piece 13 slide up and down, between described protruding block and described movable base 14, be provided with elastic component 7.
In the present embodiment, the operation principle of clamping device is:
When silicon chip is during in loading condition, lifting actuator (not shown) drives described lifting unit 3 to move upward, the impeller 32 of described lifting unit 3 promotes upwards action of lower member 16, because of lower member 16, connector 17, 14 threes are fixedly connected with movable base, so the impeller 32 of lifting unit 3 promotes described movable base 14 and moves upward, because described strutting piece 13 is flexibly connected with described movable base 14 relatively, described strutting piece 13 moves downward gradually away from described clamping element 15, when the distance between clamping element 15 and described strutting piece 13 is suitable, between clamping element 15 and strutting piece 13, carry out silicon chip and pick and place action.
When silicon chip is during in state of the art, described lifting unit 3 moves downward, the impeller 32 of described lifting unit 3 moves downward thereupon, clamping part 1 is at self gravitation or under impeller 32 pulling force, described lower member 16, connector 17 and the movable base 14 that is provided with clamping element 15 move downward simultaneously, described strutting piece 13 dwindles gradually with respect to the distance between described push rod 6, when described movable base 14 continues to move downward, the described strutting piece 13 of described push rod 6 pushing, until described strutting piece 13 and described clamping element 15 both mutually clamp pan.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection range of claims of the present invention.
Claims (15)
1. a clamping device for pan, is characterized in that, comprises clamping part, lifting unit, lifting actuator; Wherein,
Described clamping part comprises the movable base of ring bodies; Described movable base can move up and down and circumferencial direction on a plurality of clamping elements that distribute, the below of described clamping element is provided with matches with it for carrying the strutting piece of pan, between described clamping element and described strutting piece, can relatively move both vertically;
The lower end of described lifting unit connects the lifting actuator for driving described lifting unit to move up and down; Moving up and down of described movable base controlled in the upper end of described lifting unit;
When lifting unit pushes described movable base and moves upward, be fixed on clamping element in described movable base away from described strutting piece, for picking and placeing pan; When lifting unit pulls described movable base to move downward, described clamping element and described strutting piece are close to each other until clamp pan.
2. the clamping device of pan according to claim 1, it is characterized in that, described lifting unit comprises quill shaft and the impeller that can move up and down, and described quill shaft lower end is connected with described lifting actuator, and the upper end of described quill shaft is fixedly connected with described impeller.
3. the clamping device of pan according to claim 2, is characterized in that, described clamping part also comprises fixed pedestal, outer ring and lower member; Wherein,
The below of described movable base is provided with annular fixed pedestal, fixedly mounts a plurality of strutting pieces on the circumferencial direction of described fixed pedestal;
Described fixed pedestal below is provided with described outer ring, in described outer ring, is provided with magnetic devices;
Described lower member is fixedly connected with by connector with described movable base; Described impeller promotes described lower member, makes described lower member carry out knee-action.
4. the clamping device of pan according to claim 3, is characterized in that,
Described strutting piece comprises loading end and keeps out face, described in keep out the transverse shifting jut that mask is useful on the described pan of restriction, described in keep out face against the edge of described pan;
Described clamping element comprises for loading the loading surface of pan and for clamping the clamping area of pan, described loading surface is positioned at the below of described clamping area;
Described clamping element is provided with the semi-circular recesses moving up and down for strutting piece, the clamping area of the described clamping element clamping pan that matches with the loading end of described strutting piece, and the distance between described clamping area and described loading end and the thickness of pan adapt.
5. the clamping device of pan according to claim 2, is characterized in that, described clamping part also comprises fixed pedestal, outer ring and lower member; Wherein,
Described strutting piece is arranged in described movable base and described strutting piece can be up and down with respect to described movable base, described fixed pedestal is provided with and the corresponding push rod in described strutting piece position, described push rod is used for pushing described strutting piece, and the distance between described strutting piece and described clamping element is dwindled;
Described fixed pedestal below is provided with described outer ring, in described outer ring, is provided with magnetic devices;
Described lower member is fixedly connected with by connector with described movable base; Described impeller promotes described lower member, makes described lower member carry out knee-action.
6. the clamping device of pan according to claim 5, is characterized in that, the upper end of described push rod is spherical.
7. the clamping device of pan according to claim 5, is characterized in that,
The upper end of described strutting piece comprises loading end and keeps out face, describedly keep out the jut of transverse shifting that mask is useful on the described pan of restriction, the described face of keeping out is against the edge of described pan, and the lower end of described strutting piece is provided with the protruding block that restriction strutting piece moves upward;
Described clamping element comprises for clamping the clamping area of pan; The clamping area of the described clamping element clamping pan that matches with the loading end of described strutting piece, the distance between described clamping area and described loading end and the thickness of pan adapt.
8. the clamping device of pan according to claim 7, is characterized in that, the loading end of described strutting piece is the arc surface protruding to loading end outer surface.
9. the clamping device of pan according to claim 7, is characterized in that, the clamping area of described clamping element is provided with pyramidal projections.
10. the clamping device of pan according to claim 7, is characterized in that, between described protruding block and described movable base, is provided with elastic component.
The clamping device of 11. pans according to claim 2, is characterized in that, between described impeller and described lower member, is provided with the suction device that prevents both relative slidings; Or/and be provided with the suction device that prevents both relative slidings between described fixed pedestal and described movable base.
The clamping device of 12. pans according to claim 11, is characterized in that, between described impeller and described lower member, is provided with at least one group of magnet; Or/and be provided with at least one group of magnet between described fixed pedestal and described movable base.
13. according to the clamping device of the arbitrary described pan of claim 1～12, it is characterized in that, the quantity of described strutting piece is no less than the quantity of described clamping element.
The rotation platform of 14. 1 kinds of pans, is characterized in that, comprises annular stator, supporting bracket, cavity; Wherein, be provided with a plurality of coils in described annular stator, described annular stator is carried in described supporting bracket upper end, and described supporting bracket lower end connects described cavity, also comprises the clamping device of the pan as described in as arbitrary in claim 1～13.
The rotation platform of 15. pans according to claim 14, is characterized in that, the lower end of described cavity is provided with leakage fluid dram or/and exhaust outlet.
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| CN201410058299.6A CN103762196B (en) | 2014-02-20 | 2014-02-20 | The clamping device of pan and the rotation platform of pan |
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| WO2018188062A1 (en) * | 2017-04-14 | 2018-10-18 | 深圳市方鹏科技有限公司 | Robotic imaging system based on virtual reality technology |
| CN111613548A (en) * | 2019-02-25 | 2020-09-01 | 奇景光电股份有限公司 | Wafer drying equipment |
| CN111613548B (en) * | 2019-02-25 | 2023-05-23 | 奇景光电股份有限公司 | Wafer blow-drying equipment |
| CN117558676A (en) * | 2023-12-28 | 2024-02-13 | 苏州赛腾精密电子股份有限公司 | Wafer detection clamping equipment |
| CN117558676B (en) * | 2023-12-28 | 2024-03-22 | 苏州赛腾精密电子股份有限公司 | Wafer detection clamping equipment |
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