CN211726670U - Air knife anti-crystallization device for repairing equipment processing cavity - Google Patents
Air knife anti-crystallization device for repairing equipment processing cavity Download PDFInfo
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- CN211726670U CN211726670U CN201921630954.5U CN201921630954U CN211726670U CN 211726670 U CN211726670 U CN 211726670U CN 201921630954 U CN201921630954 U CN 201921630954U CN 211726670 U CN211726670 U CN 211726670U
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- automatic valve
- ultrapure water
- dry air
- air knife
- cavity
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 21
- 229910021642 ultra pure water Inorganic materials 0.000 claims abstract description 35
- 239000012498 ultrapure water Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000003814 drug Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008025 crystallization Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005406 washing Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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Abstract
The utility model relates to a reprocess wind sword anti-crystallization device in equipment processing procedure chamber, reprocess equipment processing procedure chamber cavity groove lower part and be equipped with the cavity mouth, the cavity mouth passes through TANK backward flow automatic valve and connects the liquid medicine groove, connect the outlet through the drainage automatic valve, two wind knives are located in the cavity groove, connect pure dry air feeding device and ultrapure water feeding device respectively, be equipped with the waterproof automatic valve of pure dry air, ultrapure water automatic valve and pipe heater respectively on the connecting pipeline of wind sword and pure dry air feeding device and ultrapure water feeding device. The working method comprises the following steps: 1) preparing for draining; 2) re-washing with an air knife; 3) and (5) drying and removing. The advantages are that: 1) simple structure, convenient operation, low cost effectively avoids the risk of manual clearance of manpower, is showing increase of production and equipment utilization rate, has guaranteed equipment stability and product technology quality. 2) The problem of excessive consumption of the liquid medicine is solved, the production cost is reduced, and the energy and the materials are saved.
Description
Technical Field
The utility model relates to a reprocess wind sword crystallization preventing device in equipment processing procedure chamber belongs to the base plate and reprocesses equipment technical field.
Background
During the operation of the substrate repairing equipment (Strip), due to the characteristics of high temperature of the manufacturing process and strong alkali of the liquid medicine, the air knife for separating the liquid medicine on the substrate is separated when the machine is stopped and the production is abnormal, and due to the simple design of a mechanism device, the mouth of the air knife is easy to crystallize and block and is not easy to clean, thereby bringing great problems to the normal production. The problem that the easy crystallization of simple and easy air knife mechanism blockked up and lead to shows:
1) during production, the air knife crystallization can not normally separate the reusable liquid medicine on the substrate, which results in excessive consumption of the liquid medicine. During continuous production, the crystallization blockage degree difference of each air knife in the process cavity is large, so that each liquid medicine cannot form effective equivalent backflow, equipment alarms are caused, and the equipment utilization rate is influenced. Meanwhile, the air knife crystallization cannot ensure the uniform membrane surface separation of the substrate, the product uniformity is poor, and the product quality, the yield and the process stability are influenced.
2) The air knife crystallization of clearance high temperature alkali cavity is shut down to the manual work, needs 1 hour/inferior operation cost, because of the wind edge of a knife is 0.12mm, needs great water pressure to carry out the crystallization clearance, can appear water pressure too big often, the sputtering danger condition everywhere, and manual clearance danger coefficient is high. And artificial washing effect is not good, production is resumed again, crystals on the wind knife edge and process accumulated liquid in the pipeline cannot be thoroughly removed, liquid medicine on the surface of the substrate cannot be effectively separated during production, excessive consumption of the liquid medicine is caused, and accordingly the cost of alkali liquor consumption of equipment is increased.
Therefore, the air knife pipeline mechanism of the original process cavity needs to be modified, and a series of abnormal phenomena such as excessive liquid medicine consumption and the like caused by crystal blockage of the air knife of the process cavity are avoided.
Disclosure of Invention
The utility model provides an air knife crystallization-proof device for a processing cavity of a repair device, which aims to prolong the crystallization operation time of the air knife edge of the processing cavity by adopting manual washing to influence the yield; the danger coefficient is high, which is not in accordance with safety management; the washing effect is not thorough, and during the equipment operation, the liquid medicine monolithic consumes extravagantly greatly, influences defects such as company's operation cost, has provided one kind and has guaranteed personnel's safety, effective, convenient operation, has improved utilization rate, output simultaneously, and the wind sword of energy-conserving subtracts the material prevents crystallization device.
The technical solution of the utility model is as follows: an air knife anti-crystallization device of a rework equipment process cavity comprises an air knife 1, a pure dry air supply device 2, a cavity port 3, a cavity groove 4, a TANK backflow automatic valve 5, a drainage automatic valve 6, a liquid medicine groove 7, a drainage port 8, an ultrapure water supply device 9, a pure dry air waterproof automatic valve, an ultrapure water automatic valve and a pipeline heater;
wherein, reprocess equipment processing procedure chamber cavity groove 4 lower part and be equipped with cavity mouth 3, cavity mouth 3 passes through TANK backward flow automatic valve 5 and connects the liquid medicine groove, connects outlet 8 through drainage automatic valve 6, and two air knives 1 are located in cavity groove 4, connect pure dry air feeding device 2 and ultrapure water feeding device 9 respectively, are equipped with the waterproof automatic valve of pure dry air, ultrapure water automatic valve and pipe heater respectively on air knife 1 and the connecting pipeline of pure dry air feeding device 2 and ultrapure water feeding device 9.
The device comprises two pure dry air waterproof automatic valves, two ultrapure water automatic valves and two pipeline heaters, wherein a first air knife is connected with an ultrapure water supply device 9 through a first ultrapure water automatic valve 11A, is connected with a pure dry air supply device 2 through a first pure dry air waterproof automatic valve 10A, and is provided with a first pipeline heater 12A on a first air knife connecting pipeline; the second air knife is connected with the ultrapure water supply device 9 through a second ultrapure water automatic valve 11B, is connected with the pure dry air supply device 2 through a second pure dry air waterproof automatic valve 10B, and is provided with a second pipeline heater 12B on the second air knife connecting pipeline.
The working method comprises the following steps:
1) preparing water drainage: closing the automatic return valve 5 of the TANK of the diversion pipeline connected with the cavity port 3, opening the automatic drainage valve 6, switching to the drainage port 8, and preparing for drainage.
2) Re-washing with an air knife: after the preparation of the drainage pipeline is finished, closing the waterproof automatic valve for pure dry air on the pure dry air supply device 2, and after the waterproof automatic valve for pure dry air on the pure dry air supply device 2 is completely closed, opening the automatic valve for ultrapure water on the ultrapure water supply device 9 to carry out DI washing on the crystals on the air knife 1 for 3-5 minutes; after the DI rinse is completed, the ultrapure water automatic valve of the DI supply 9 is closed.
3) Drying and removing: after the ultrapure water automatic valve on the DI supply device 9 is closed, the pipeline heater is opened, and the pure dry air waterproof automatic valve on the pure dry air supply device 2 is opened, so that the accumulated water in the pipeline is quickly dried and removed within 3 to 5 minutes; and after the operation is finished, restoring each pipeline valve to finish the whole air knife crystallization cleaning.
The utility model has the advantages that:
1) the device has the advantages of simple structure, convenience in operation and low cost, effectively avoids the risk of manual cleaning by manpower, remarkably improves the yield to 150%, improves the equipment utilization rate by 10-20%, and ensures the equipment stability and the product process quality.
2) The problem of liquid medicine excessive consumption during equipment production is solved, the production cost is reduced, and energy and materials are saved.
3) The safety of personnel is guaranteed, and the operation danger is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a conventional air knife crystallization prevention device.
Fig. 2 is a schematic structural diagram of the improved air knife anti-crystallization device of the present invention.
FIG. 1 shows an air knife; 2 is a CDA (clean dry air) supply device; 3 is a cavity port; 4 is a cavity groove; 5 is TANK reflux automatic valve; 6 automatic valve for water drainage; 7 is a liquid medicine groove; 8 is a water discharge port; reference numeral 9 denotes a DI (ultra pure water) supply unit; 10A is a clean dry air waterproof automatic valve; 10B is a pure dry air waterproof automatic valve; 11A is an ultrapure water automatic valve; 11B is an ultrapure water automatic valve; 12A is a pipe heater; 12B is a pipe heater.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings
As shown in the attached figure 1, in the prior art, the air knife is simple in mechanism design, and the air knife opening is easy to crystallize and block and is not easy to clean.
As shown in the attached figure 2, the utility model provides an air knife anti-crystallization device of a rework equipment process cavity, which comprises an air knife 1, a pure dry air supply device 2, a cavity mouth 3, a cavity groove 4, a TANK backflow automatic valve 5, a drainage automatic valve 6, a liquid medicine groove 7, a water outlet 8, an ultrapure water supply device 9, a pure dry air waterproof automatic valve, an ultrapure water automatic valve and a pipeline heater; reprocess equipment processing procedure chamber cavity groove 4 lower part and be equipped with cavity mouth 3, cavity mouth 3 passes through TANK backward flow automatic valve 5 and connects the liquid medicine groove, connects outlet 8 through drainage automatic valve 6, and two air knives 1 are located in cavity groove 4, connect pure dry air feeding device 2 and ultrapure water feeding device 9 respectively, are equipped with the waterproof automatic valve of pure dry air, ultrapure water automatic valve and pipe heater respectively on air knife 1 and the connecting pipeline of pure dry air feeding device 2 and ultrapure water feeding device 9.
The working principle is as follows: when the production of the repair equipment is abnormal, the crystallization of the wind knife edge of the process can be quickly cleaned in a pause state: closing the TANK reflux automatic valve 5 of the diversion pipeline TANK of the cavity port 3, opening the drainage automatic valve 6, switching to the drainage port 8, and preparing for drainage. After the drain piping preparation is completed, the CDA waterproof automatic valves 10A and 10B on the CDA supply device 2 are closed. After the CDA waterproof automatic valves 10A and 10B of the CDA supply device 2 are completely closed, the DI automatic valves 11A and 12B of the DI supply device 9 are opened, and the crystals on the air knife 1 are DI-rinsed for 3 to 5 minutes. When the DI flushing is completed, the DI automatic valves 11A and 11B on the DI supply 9 are closed. After the automatic DI valves 11A and 11B of the DI supply device 9 are closed, the pipeline heaters 12A and 12B are turned on, and the automatic CDA waterproof valves 10A and 10B of the CDA supply device 2 are turned on, so that the accumulated water in the pipeline can be quickly dried and removed for 3 to 5 minutes. And after the operation is finished, restoring each pipeline valve to finish the whole air knife crystallization cleaning.
Claims (2)
1. An air knife anti-crystallization device of a rework equipment process cavity is characterized by comprising an air knife (1), a pure dry air supply device (2), a cavity opening (3), a cavity groove (4), a TANK backflow automatic valve (5), a drainage automatic valve (6), a liquid medicine groove (7), a water outlet (8), an ultrapure water supply device (9), a pure dry air waterproof automatic valve, an ultrapure water automatic valve and a pipeline heater;
wherein, reprocess equipment processing procedure chamber cavity groove (4) lower part and be equipped with cavity mouth (3), cavity mouth (3) are connected the liquid medicine groove through TANK backward flow automatic valve (5), connect outlet (8) through drainage automatic valve (6), cavity groove (4) are located in two air knives (1), connect pure dry air feeding device (2) and ultrapure water feeding device (9) respectively, be equipped with the waterproof automatic valve of pure dry air, ultrapure water automatic valve and pipe heater respectively on air knife (1) and the connecting pipeline of pure dry air feeding device (2) and ultrapure water feeding device (9).
2. The air knife crystallization preventing device of the rework equipment process chamber as claimed in claim 1, comprising two clean dry air waterproof automatic valves, two ultrapure water automatic valves and two pipeline heaters, wherein the first air knife is connected to the ultrapure water supply device (9) through the first ultrapure water automatic valve (11), connected to the clean dry air supply device (2) through the first clean dry air waterproof automatic valve (10), and the first pipeline heater (12) is disposed on the first air knife connecting pipeline; the second air knife is connected with the ultrapure water supply device (9) through a second ultrapure water automatic valve (11), is connected with the pure dry air supply device (2) through a second pure dry air waterproof automatic valve (10), and is provided with a second pipeline heater (12) on the second air knife connecting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630954.5U CN211726670U (en) | 2019-09-27 | 2019-09-27 | Air knife anti-crystallization device for repairing equipment processing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630954.5U CN211726670U (en) | 2019-09-27 | 2019-09-27 | Air knife anti-crystallization device for repairing equipment processing cavity |
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| Publication Number | Publication Date |
|---|---|
| CN211726670U true CN211726670U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921630954.5U Active CN211726670U (en) | 2019-09-27 | 2019-09-27 | Air knife anti-crystallization device for repairing equipment processing cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614245A (en) * | 2019-09-27 | 2019-12-27 | 南京中电熊猫液晶材料科技有限公司 | Air knife anti-crystallization device for repairing equipment processing cavity and working method thereof |
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2019
- 2019-09-27 CN CN201921630954.5U patent/CN211726670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614245A (en) * | 2019-09-27 | 2019-12-27 | 南京中电熊猫液晶材料科技有限公司 | Air knife anti-crystallization device for repairing equipment processing cavity and working method thereof |
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