CN100578300C - Device for measuring contact corner - Google Patents
Device for measuring contact corner Download PDFInfo
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- CN100578300C CN100578300C CN200710142656A CN200710142656A CN100578300C CN 100578300 C CN100578300 C CN 100578300C CN 200710142656 A CN200710142656 A CN 200710142656A CN 200710142656 A CN200710142656 A CN 200710142656A CN 100578300 C CN100578300 C CN 100578300C
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- moving structure
- contact angle
- mobile platform
- angle device
- screw rod
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Abstract
A device used for measuring contact angle is prepared as carrying base plate by detection platform, setting slide rail to surround detection platform and mobile platform on slide rail, arranging image pick-up component and sampler on mobile platform, moving said sampler around slide rail in following with said mobile platform, dripping a liquid drop on base plate by sampler when sampler is moved at proper position, picking up image of liquid drop by image pick-up component and calculating contact angle between said liquid drop and said base plate according to said image.
Description
Technical field
The present invention relates to a kind of measurement mechanism, particularly relate to a kind of device of measuring contact angle.
Background technology
Liquid phase has reflected the wellability of liquid to solid usually for the contact angle of solid.In membrane transistor LCD (TFT-LCD) industry, the contact angle of the relative liquid crystal display glass substrate of drop commonly used is weighed the cleanliness factor of glass baseplate surface.Measuring method uses contact angle measurement to measure contact angle for dripping pure water on the TFT-LCD glass substrate.Contact angle measurement generally comprises image-pickup assembly and injector, the image-pickup assembly of the contact angle device of traditional measurement TFT-LCD and injector are fixed on the position, and general TFT-LCD substrate size is between 8.4 cun to 20.1 cun, must measure the long and wide both sides of substrate during measurement, when the contact angle of finishing substrate one side is measured, after substrate must being rotated 90 degree, measure the contact angle of substrate another side again, the length breadth ratio of above-mentioned TFT-LCD substrate is 4: 3, the length breadth ratio of the TFT-LCD substrate of wide screen is 16: 9 at present, bigger than non-wide screen TFT-LCD substrate, when carrying out the contact angle measurement, the measurement if the photograph said method is changed sides, because substrate size is too big, it is very big that the detection platform size of bearing substrate must be done; In addition, it is very difficult that rotary plate also becomes, and substrate produced collide and damage.
Therefore, the utmost point needs a kind of measurement contact angle device that addresses the above problem at present, can need not rotary plate when measuring contact angle, avoids substrate to damage because of collision.
Summary of the invention
The object of the present invention is to provide a kind of measurement contact angle device, when measuring the contact angle of the relative substrate of drop, only need mobile injector and do not need rotary plate, so can reduce the substrate collision, reduce the substrate damage rate.
Another object of the present invention is to provide a kind of measurement contact angle device, fine-tuning injector laterally, vertically or the position of vertical direction, in order to measure the substrate of different size.
In order to achieve the above object, measurement contact angle device of the present invention comprises detection platform, slide rail, mobile platform, image-pickup assembly and injector, this detection platform is carried substrate to be measured, this slide rail is located at around this detection platform, this mobile platform is located on this slide rail and can slides along this slide rail, this injector is arranged on this mobile platform, moves along this slide rail with this mobile platform.Aforementioned injector is dripping a drop on this substrate on one assigned address, this drop of shooting drops in the image on this substrate between this image capture unit, and transmitting this image to one analytical equipment, this analytical equipment calculates contact angle between this drop and this substrate according to this image.
Measurement contact angle device of the present invention more comprises first moving structure, second moving structure and the 3rd moving structure, above three is located between this mobile platform and this injector, wherein this first moving structure is located on this mobile platform, makes this injector utilize this first moving structure to do transverse movement; This second moving structure is located on this first moving structure, makes this injector utilize this second moving structure to travel longitudinally; And the 3rd moving structure is located on this second moving structure, makes this injector utilize the 3rd moving structure to move as vertical direction.
Description of drawings
Fig. 1 is the schematic perspective view of a preferred embodiment of the present invention;
Fig. 2 A is the horizontal section synoptic diagram of a preferred embodiment of the present invention;
Fig. 2 B is the longitudinal profile synoptic diagram of a preferred embodiment of the present invention;
Fig. 3 A is the schematic perspective view of another preferred embodiment of the present invention;
Fig. 3 B is the horizontal section synoptic diagram of another preferred embodiment of the present invention; And
Fig. 3 C is the longitudinal profile synoptic diagram of another preferred embodiment of the present invention.
Embodiment
Fig. 1 is the schematic perspective view of a preferred embodiment of the present invention.As shown in the figure, measure contact angle device 1 in order to measure the contact angle of a drop with respect to a substrate 11.Measure contact angle device 1 and comprise detection platform 10, slide rail 12, mobile platform 14, image-pickup assembly 16 and injector 18.Detection platform 10 bearing substrates 11, slide rail 12 be arranged at this detection platform 10 around.Mobile platform 14 is arranged on this slide rail 12, and 16 of image-pickup assemblies are located at mobile platform 14 on the one side of detection platform 10.Injector 18 is arranged on the mobile platform 14, and image-pickup assembly 16 moves along slide rail 12 with mobile platform 14 with injector 18.
When measuring, mobile platform 14 drives injector 18 and moves to an assigned address along slide rail 12, injector 18 provides a drop to drop on the substrate 11 that detection platform 10 carried, and is attached to image-pickup assembly 16 acquisition drops on the mobile platform 14 this moment and drops in image on the substrate 11.Measurement contact angle device of the present invention more is connected to analytical equipment 20, calculates the contact angle of drop with respect to substrate 11 by analytical equipment 20 according to the image that captures.
See also Fig. 2 A and Fig. 2 B, measurement contact angle device 1 of the present invention more comprises at least one pulley 22.Pulley 22 is located at the bottom of mobile platform 14, and is installed on the slide rail 12, and mobile platform 14 moves on slide rail 12 by this slide rail 12 swimmingly with injector 18.Measure contact angle device 1 and comprise at least one keeper 141 in addition, its be located at mobile platform 14 side, and be positioned at the top of slide rail 12.Comprise screw 143 and screw rod 145 on the keeper 141; After mobile platform 14 moves to assigned address, be fastened in the screw 143 by screw rod 145, prop up slide rail 12 by screw rod 145, mobile platform 14 is fixed on the assigned address and can produce displacement.
Fig. 3 A is the schematic perspective view of another preferred embodiment of the present invention.As shown in the figure, the measurement contact angle device 1a of present embodiment comprises detection platform 10, slide rail 12, mobile platform 14, image-pickup assembly 16, first moving structure 24, second moving structure 26, the 3rd moving structure 28, injector 18 and analytical equipment 20.Detection platform 10 bearing substrates 11, slide rail 12 be arranged at detection platform 10 around.Mobile platform 14 is arranged on the slide rail 12, and can be along slide rail 12 around moving around the detection platform 10.Be provided with first moving structure 24, second moving structure 26, the 3rd moving structure 28 and injector 18 on the mobile platform 10 in regular turn.When mobile platform 14 when slide rail 12 moves on to assigned address, utilize first moving structure 24 to make injector 18 with respect to doing transverse movement on the mobile platform 10; Maybe can utilize second moving structure 26, injector 18 is travelled longitudinally with respect to first moving structure 24; Or utilize the 3rd moving structure 28, make injector 18 make movement in vertical direction with respect to second moving structure 26.In other words, injector 18 can do laterally, vertically to reach the fine setting of vertical direction by first moving structure 24, second moving structure 26 and the 3rd moving structure 28, to adapt to the needs of measuring at the different size substrate.In actual applications, also can select according to actual needs according to the present invention to be provided with one of first moving structure 24, second moving structure 26, the 3rd moving structure 28 or wherein two, possess simultaneously and be not limited to the three.
Fig. 3 B is Fig. 3 A horizontal section synoptic diagram.As shown in the figure, first moving structure 24 is located on the mobile platform 14, and mobile platform 14 is provided with chute 147, the first moving structures 24 with these first moving structure, 24 intersections and comprises slide block 240, and its correspondence is located on the chute 147 of mobile platform 14.Mobile platform 14 is provided with keeper 149, and it comprises locating slot 1491.Locating slot 1491 is provided with screw rod 242, should be respectively equipped with fixture 2421 in locating slot 1491 both sides 242 pairs of this screw rods, and screw rod 242 can be fixed on the keeper 149.First moving structure 24 is provided with screw 244 corresponding to screw rod 242 places, and screw rod 242 is located in this screw 244, can make first moving structure 24 drive injector 18 with respect to doing transverse movement on the mobile platform 14 by rotating screw bolt 242.
Fig. 3 C is the longitudinal profile synoptic diagram of Fig. 3 A.As shown in the figure, second moving structure 26 is arranged on first moving structure 24, the structural similarity that structure that second moving structure 26 and first moving structure are 24 and above-mentioned first moving structure 24 and mobile platform are 14.Have chute 246, the second moving structures 26 on first moving structure 24 and comprise slide block 260, it is located in the chute 246.The side of first moving structure 24 is provided with keeper 248, and this keeper 248 comprises locating slot 2481, fixture 2621 and screw rod 262.Screw rod 262 passes locating slot 2481; Screw rod 262 is installed on the keeper 248 by fixture 2621; Second moving structure, 26 corresponding screw rods, 262 places are provided with screw 264.Screw rod 262 is located in this screw 264, can make second moving structure 26 drive injector 18 with respect to travelling longitudinally on first moving structure 24 by rotary screw 262.
Continuation is with reference to Fig. 3 C, and the 3rd moving structure 28 is arranged on this second moving structure 26, and wherein the 3rd moving structure 28 comprises first wedge 281 and second wedge 283.First wedge 281 is located on second moving structure 26, and second wedge 283 is located on first wedge 281.Second moving structure 26 and first wedge, 281 surface of contact are provided with chute 266, the first wedges 281 and second moving structure, 26 surface of contact are provided with slide block 280.Slide block 280 correspondences of first wedge 281 are located in the chute 266 of second moving structure 26, and second moving structure 26 then is provided with keeper 268.Keeper 268 comprises locating slot 2681, screw rod 282 and fixture 2821, and wherein screw rod 282 passes locating slot 2681.Fixture 2821 is located at locating slot 2681 outsides, and screw rod 282 is fixedly arranged on locating slot 2681 by fixture 2821; One end of screw rod 282 is located on first wedge 281, first wedge 281 is provided with screw 284 corresponding to screw rod 282 places, wherein screw rod 282 is located in the screw 284, by rotating screw bolt 282 removable first wedges 281, make movement in vertical direction with respect to second moving structure 26 thereby drive second wedge 282.
In the present embodiment, on mobile platform 14 and slide rail 12 surface of contact at least one pulley 22 is set.Pulley 22 is installed on the slide rail 12, and mobile platform 14 slides along slide rail 12 by this pulley 22 with first moving structure 24, second moving structure 26, the 3rd moving structure 28 and injector 18.In mobile platform 14 both sides keeper 141 is set more respectively in addition; Keeper 141 comprises screw 143 and is located in screw rod 145 in the screw 143.When mobile platform 14 moves to assigned address, make it to be connected to slide rail 12 by rotating this screw rod 145, so mobile platform 14 is fixedly prevented its displacement.
During measurement, after adjusting this injector 18 and moving on to optimal position, drip a drop on the substrate 11 that is placed on the detection platform 10, and utilize the image-pickup assembly 16 that is located on the mobile platform 10 to take drops to drop in image on the substrate 11.Image-pickup assembly 16 connects analytical equipment 20, and wherein analytical equipment 20 can calculate the contact angle of drop with respect to substrate 11 according to picked image.
From the above, the invention provides a kind of measurement contact angle device, by slide rail is set around detection platform, injector and image-pickup assembly can be moved along detection platform, so can needn't rotate the substrate that desire detects, reduce moving of substrate, prevent that substrate is collided, and then reduce the spoilage of substrate; Measurement contact angle device of the present invention can more comprise first moving structure, second moving structure or the 3rd moving structure, in order to finely tune this injector laterally, vertically or the position of vertical direction, with the measurement of the substrate that is applicable to different size.
The above is the preferred embodiments of the present invention only, is not to be used for limiting interest field of the present invention, and is all according to impartial for it variation of the described shape of claim of the present invention, structure, feature and spiritual institute and modification, all should be included in the claim of the present invention.
Claims (17)
1. measure the contact angle device for one kind, in order to measure the contact angle of liquid to substrate, this measurement contact angle device comprises:
Carry the detection platform of this substrate;
Be arranged at this detection platform slide rail on every side;
The mobile platform that is arranged at this slide rail and moves along this slide rail;
Be arranged at the injector on this mobile platform, it provides a drop to drop on this substrate that this detection platform carries;
Be arranged at the image-pickup assembly on this mobile platform, it drops in image on this substrate in order to capture this drop; And
Be connected to the analytical equipment of this image-pickup assembly, it calculates the contact angle of this drop with respect to this substrate according to this image.
2. measurement contact angle device according to claim 1 more comprises:
At least one pulley is located at the bottom of this mobile platform, and is installed on this slide rail.
3. measurement contact angle device according to claim 1 more comprises:
At least one keeper is located at the side of this mobile platform, and is positioned at this slide rail top, and this keeper comprises screw and screw rod, and this screw rod is located in this screw, and this slide rail of butt is fixed on this slide rail this mobile platform.
4. measurement contact angle device according to claim 1 more comprises:
Be arranged on this mobile platform and make first moving structure of transverse movement with respect to this mobile platform.
5. measurement contact angle device according to claim 4, wherein this mobile platform comprises chute, and this first moving structure comprises slide block, and this slide block is located in this chute.
6. measurement contact angle device according to claim 5, wherein this mobile platform comprises keeper, and this keeper comprises locating slot, and this first moving structure comprises screw rod, and this screw rod is located in this locating slot.
7. measurement contact angle device according to claim 6, wherein this first moving structure comprises screw, and it is this screw rod setting relatively, and this first moving structure moves by the relative motion of this screw rod and screw.
8. measurement contact angle device according to claim 4 more comprises:
Second moving structure that is arranged on this first moving structure and travels longitudinally with respect to this first moving structure.
9. measurement contact angle device according to claim 8, wherein this first moving structure comprises chute, and this second moving structure comprises slide block, and this slide block correspondence is located in this chute.
10. measurement contact angle device according to claim 9, wherein this first moving structure comprises keeper, and this keeper comprises locating slot, and this second moving structure comprises screw rod, and this screw rod is located in this locating slot.
11. measurement contact angle device according to claim 10, wherein this second moving structure comprises screw, and this screw rod is provided with relatively, and this second moving structure moves by the relative motion of this screw rod and this screw.
12. measurement contact angle device according to claim 8 more comprises:
Be arranged on this second moving structure and make the 3rd moving structure of movement in vertical direction with respect to this second moving structure.
13. measurement contact angle device according to claim 12, wherein the 3rd moving structure comprises:
First wedge is arranged on this second moving structure; And
Second wedge is arranged on this first wedge.
14. measurement contact angle device according to claim 13, wherein this second moving structure comprises chute, and this first wedge comprises slide block, and this slide block is located in this chute.
15. measurement contact angle device according to claim 14, wherein this second moving structure comprises keeper, and this keeper comprises locating slot, and this first wedge comprises screw rod, and this screw rod is located in this locating slot.
16. measurement contact angle device according to claim 15, wherein this first wedge comprises screw, this screw rod is provided with relatively, and this first wedge moves and then drives this second wedge by the relative motion of this screw rod and this screw and makes movement in vertical direction with respect to this second moving structure.
17. measurement contact angle device according to claim 1 more comprises being located on this mobile platform and with respect to this mobile platform and does vertically and/or the moving structure of movement in vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710142656A CN100578300C (en) | 2007-08-20 | 2007-08-20 | Device for measuring contact corner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710142656A CN100578300C (en) | 2007-08-20 | 2007-08-20 | Device for measuring contact corner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089680A CN101089680A (en) | 2007-12-19 |
| CN100578300C true CN100578300C (en) | 2010-01-06 |
Family
ID=38943098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710142656A Expired - Fee Related CN100578300C (en) | 2007-08-20 | 2007-08-20 | Device for measuring contact corner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100578300C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246111B (en) * | 2008-03-20 | 2011-04-06 | 复旦大学 | Fabric contact angle on-line measuring method and device |
| CN103245591A (en) * | 2012-02-13 | 2013-08-14 | 广东中显科技有限公司 | Method and equipment for measuring surface cleanliness of glass substrate |
| CN103928381B (en) * | 2013-01-15 | 2017-09-05 | 上海华虹宏力半导体制造有限公司 | A kind of aid for measuring wafer contacts angle |
| CN105700206B (en) | 2016-02-16 | 2019-12-06 | 京东方科技集团股份有限公司 | Substrate surface information detection device and method |
| CN108535898A (en) * | 2018-04-11 | 2018-09-14 | 蚌埠高华电子股份有限公司 | A kind of LCD raw materials corner detection device based on positioning analysis formula |
| CN110132796B (en) * | 2019-05-22 | 2020-05-08 | 中国石油大学(北京) | Shale three-dimensional contact angle and wetting heterogeneity evaluation system |
| CN113375539B (en) * | 2021-06-25 | 2022-12-20 | 温岭市文昌数控机床设备有限公司 | Numerical control tool turret detection device |
-
2007
- 2007-08-20 CN CN200710142656A patent/CN100578300C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101089680A (en) | 2007-12-19 |
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Granted publication date: 20100106 Termination date: 20200820 |
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