CN114063391A - Integrated circuit gluing device in sensor of touch type water saving device of water faucet - Google Patents
Integrated circuit gluing device in sensor of touch type water saving device of water faucet Download PDFInfo
- Publication number
- CN114063391A CN114063391A CN202111261766.1A CN202111261766A CN114063391A CN 114063391 A CN114063391 A CN 114063391A CN 202111261766 A CN202111261766 A CN 202111261766A CN 114063391 A CN114063391 A CN 114063391A
- Authority
- CN
- China
- Prior art keywords
- glue
- integrated circuit
- sensor
- touch type
- gluing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/16—Coating processes; Apparatus therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention relates to the technical field of sensors and discloses a device for gluing an integrated circuit in a sensor of a touch type water saving device of a faucet. Move about through threaded rod drive trapezoidal piece two to the extrusion movable column reciprocates in the inside of fixed column, and then drives out gluey case, glue spreader and reciprocate, has realized adjusting according to integrated circuit board thickness difference, increases the practicality of device. After the electro-magnet circular telegram, attract trapezoidal piece one, trapezoidal piece one promotes the carriage release lever and removes to the left side, and the carriage release lever promotes the baffle and removes to the left side, and the clearance grow of discharge tube inner wall and baffle this moment, glue flows to the ball surface along with it, and the glue spreader rotates thereupon and drives the ball and roll, scribbles glue to the surface of glue spreader, and it is even to go out glue this moment, avoids glue extravagant.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a device for gluing an integrated circuit in a sensor of a touch type water saving device of a water tap.
Background
The diffusion type semiconductor pressure sensor is manufactured by adopting an integrated circuit process, can improve the performance, and is applied to improve the water saving performance of the touch type water faucet water saver. An integrated circuit is a miniature electronic device or component, most of the integrated circuit chip manufacturing photoetching processing systems in the current market adopt a glue dripping mode to glue in the process of coating photoresist on a wafer, and the glue dripping amount is difficult to control by the glue dripping mode, so that glue waste is easily caused. The thickness of integrated circuit differs, and the altitude mixture control of rubber coating device is inconvenient, influences the work efficiency of device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the device for gluing the integrated circuit in the sensor of the touch type water saving device for the faucet, which has the advantages that glue can be uniformly smeared on the surface of the integrated circuit and can be adjusted according to the thickness of the integrated circuit, the practicability of the device is improved, the waste of the glue is reduced, the utilization rate of the glue is improved, the problem that glue is applied in a glue dripping mode which is difficult to control the dripping amount of the glue is solved, and the waste of the glue is easily caused. The thickness of integrated circuit differs, and the altitude mixture control of rubber coating device is inconvenient, influences the work efficiency's of device problem.
In order to realize the purposes of uniformly coating the glue on the surface of the integrated circuit and adjusting the glue according to the thickness of the integrated circuit, improving the practicability of the device, reducing the waste of the glue and improving the utilization rate of the glue, the invention provides the following technical scheme: the utility model provides a rubberizing device of integrated circuit in sensor of touch tap water economizer, includes discharging device, discharging device's right side fixed mounting has the discharging pipe, the middle part movable mounting of discharging pipe has the baffle, the bottom movable mounting of discharging pipe has the ball, the left side fixed hinge joint of baffle has the carriage release lever, one side swing joint that the carriage release lever is close to the baffle has spring one, the top movable mounting of spring one has trapezoidal piece one.
Still including the activity post, the top movable mounting of activity post has trapezoidal piece two, the left side movable mounting of trapezoidal piece two has the threaded rod, the below fixed mounting of activity post has the mounting panel, the below activity of mounting panel articulates there is out to glue the case, and the inside fixed mounting who goes out to glue the case has the storage to glue the case, the left side fixed mounting who stores up gluey case has the electro-magnet, the below movable mounting who goes out to glue the case has the glue spreader.
Preferably, the limiting mechanism is sleeved on the outer side of the movable column, a fixed column is fixedly mounted on the outer side of the limiting mechanism, moving grooves are formed in two sides of the fixed column, and a second spring is fixedly mounted above the moving grooves.
Preferably, the top end of the movable column is inclined, and the inclined edge is matched and parallel with the inclined edge of the second trapezoidal block.
Preferably, the left side and the right side of the fixed column are welded with short columns, the short columns are installed in the moving groove, and the second spring is installed between the short columns and the upper wall of the moving groove.
Preferably, the left side and the right side of the trapezoid block are movably provided with a buffer roller, the bottom side of the left buffer roller is hinged to the inner wall of the glue outlet box, the right buffer roller is provided with a sub-baffle plate hinged to the movable rod, and a first spring is connected between the two buffer rollers.
Preferably, trapezoidal piece is iron, and a right side below fixed mounting of trapezoidal piece has branch, and the right side welding of branch has the stopper, and lower piece cup joints in the outside of carriage release lever.
Preferably, the discharging pipe is internally provided with balls, the left side and the right side of the discharging pipe are fixedly provided with arc plates, and one side, far away from the discharging pipe, of each arc plate is attached to the surface of the glue spreader.
Advantageous effects
Compared with the prior art, the invention provides a device for gluing an integrated circuit in a sensor of a touch type water saving device of a faucet, which has the following beneficial effects:
1. this gummed device of integrated circuit in sensor of touch tap water economizer moves about through threaded rod drive trapezoidal piece two to the extrusion movable column reciprocates in the inside of fixed column, and then drives out gluey case, glue spreader and reciprocate, has realized adjusting according to the integrated circuit plate thickness difference, increases the practicality of device.
2. This gummed device of integrated circuit in sensor of touch tap water economizer, through the electro-magnet circular telegram back, attract trapezoidal piece one, trapezoidal piece one promotes the carriage release lever and removes to the left side, and the carriage release lever promotes the baffle and removes to the left side, and the clearance grow of discharge tube inner wall and baffle this moment, glue flows to the ball surface along with it, and the glue spreader rotates thereupon and drives the ball and roll, scribbles glue to the surface of glue spreader, and it is even to go out glue this moment, avoids glue extravagant.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is a schematic connection diagram of a half-section structure of the glue discharging box of the invention;
FIG. 3 is a schematic view showing the structural connection of the first trapezoidal block, the first spring and the baffle plate.
In the figure: 1. a movable post; 2. a limiting mechanism; 3. a second trapezoidal block; 4. a threaded rod; 5. mounting a plate; 6. discharging the glue box; 7. a glue storage box; 8. a discharging device; 9. an electromagnet; 10. glue spreading roller; 21. fixing a column; 22. a moving groove; 23. a second spring; 81. a discharge pipe; 82. a baffle plate; 83. a ball bearing; 84. a travel bar; 85. a first spring; 86. and a first trapezoidal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the device for gluing the integrated circuit in the sensor of the touch type faucet water economizer comprises a discharging device 8, a discharging pipe 81 is fixedly installed on the right side of the discharging device 8, a baffle 82 is movably installed in the middle of the discharging pipe 81, a ball 83 is movably installed at the bottom end of the discharging pipe 81, the ball 83 is installed inside the discharging pipe 81, arc plates are fixedly installed on the left side and the right side of the discharging pipe 81, and one side of each arc plate, far away from the discharging pipe 81, is attached to the surface of a gluing roller 10. A moving rod 84 is fixedly hinged to the left side of the baffle 82, a first spring 85 is movably connected to one side of the moving rod 84 close to the baffle 82, and a first trapezoidal block 86 is movably mounted above the first spring 85. The first trapezoidal block 86 is made of iron, a supporting rod is fixedly mounted on the right lower side of the first trapezoidal block 86, a limiting block is welded on the right side of the supporting rod, and the lower block is sleeved on the outer side of the moving rod 84. Buffer rollers are movably mounted on the left side and the right side of the first trapezoidal block 86, the bottom side of the left buffer roller is hinged to the inner wall of the glue outlet box 6, the right buffer roller mounting sub-baffle 82 is hinged to the moving rod 84, and a first spring 85 is connected between the two buffer rollers.
Still include activity post 1, the top movable mounting of activity post 1 has trapezoidal piece two 3, and the top of activity post 1 is the slope form, and the hypotenuse is identical and parallel with the hypotenuse of trapezoidal piece two 3 each other. The left side movable mounting of trapezoidal piece two 3 has threaded rod 4, and the below fixed mounting of activity post 1 has mounting panel 5, and the below activity hinge of mounting panel 5 has out gluey case 6, and the inside fixed mounting who goes out gluey case 6 has glue storage box 7, and the left side fixed mounting who stores up gluey case 7 has electro-magnet 9, and the below movable mounting who goes out gluey case 6 has glue spreader 10.
Limiting mechanism 2 has been cup jointed in the outside of activity post 1, and limiting mechanism 2's outside fixed mounting has fixed column 21, and the shifting chute 22 has been seted up to the both sides of fixed column 21, and the top fixed mounting of shifting chute 22 has spring two 23. The left side and the right side of the fixed column 21 are welded with short columns which are arranged in the moving groove 22, and a second spring 23 is arranged between the short columns and the upper wall of the moving groove 22.
Example two:
referring to fig. 1, the device for gluing the integrated circuit in the sensor of the touch type water saving device for the faucet further comprises a movable column 1, a trapezoidal block II 3 is movably installed above the movable column 1, the top end of the movable column 1 is inclined, and the inclined edge is matched with and parallel to the inclined edge of the trapezoidal block II 3. The left side movable mounting of trapezoidal piece two 3 has threaded rod 4, and the below fixed mounting of activity post 1 has mounting panel 5, and the below activity hinge of mounting panel 5 has out gluey case 6, and the inside fixed mounting who goes out gluey case 6 has glue storage box 7, and the left side fixed mounting who stores up gluey case 7 has electro-magnet 9, and the below movable mounting who goes out gluey case 6 has glue spreader 10.
Limiting mechanism 2 has been cup jointed in the outside of activity post 1, and limiting mechanism 2's outside fixed mounting has fixed column 21, and the shifting chute 22 has been seted up to the both sides of fixed column 21, and the top fixed mounting of shifting chute 22 has spring two 23. The left side and the right side of the fixed column 21 are welded with short columns which are arranged in the moving groove 22, and a second spring 23 is arranged between the short columns and the upper wall of the moving groove 22.
Example three:
referring to fig. 1-3, the device for gluing the integrated circuit in the sensor of the touch type faucet water economizer comprises a discharging device 8, a discharging pipe 81 is fixedly installed on the right side of the discharging device 8, a baffle 82 is movably installed in the middle of the discharging pipe 81, a ball 83 is movably installed at the bottom end of the discharging pipe 81, the ball 83 is installed inside the discharging pipe 81, arc plates are fixedly installed on the left side and the right side of the discharging pipe 81, and one side of each arc plate, far away from the discharging pipe 81, is attached to the surface of a gluing roller 10. A moving rod 84 is fixedly hinged to the left side of the baffle 82, a first spring 85 is movably connected to one side of the moving rod 84 close to the baffle 82, and a first trapezoidal block 86 is movably mounted above the first spring 85. The first trapezoidal block 86 is made of iron, a supporting rod is fixedly mounted on the right lower side of the first trapezoidal block 86, a limiting block is welded on the right side of the supporting rod, and the lower block is sleeved on the outer side of the moving rod 84. Buffer rollers are movably mounted on the left side and the right side of the first trapezoidal block 86, the bottom side of the left buffer roller is hinged to the inner wall of the glue outlet box 6, the right buffer roller mounting sub-baffle 82 is hinged to the moving rod 84, and a first spring 85 is connected between the two buffer rollers.
Still include activity post 1, the top movable mounting of activity post 1 has trapezoidal piece two 3, and the top of activity post 1 is the slope form, and the hypotenuse is identical and parallel with the hypotenuse of trapezoidal piece two 3 each other. The left side movable mounting of trapezoidal piece two 3 has threaded rod 4, and the below fixed mounting of activity post 1 has mounting panel 5, and the below activity hinge of mounting panel 5 has out gluey case 6, and the inside fixed mounting who goes out gluey case 6 has glue storage box 7, and the left side fixed mounting who stores up gluey case 7 has electro-magnet 9, and the below movable mounting who goes out gluey case 6 has glue spreader 10.
Limiting mechanism 2 has been cup jointed in the outside of activity post 1, and limiting mechanism 2's outside fixed mounting has fixed column 21, and the shifting chute 22 has been seted up to the both sides of fixed column 21, and the top fixed mounting of shifting chute 22 has spring two 23. The left side and the right side of the fixed column 21 are welded with short columns which are arranged in the moving groove 22, and a second spring 23 is arranged between the short columns and the upper wall of the moving groove 22.
The working principle is that the threaded rod 4 rotates forwards to drive the trapezoidal block II 3 to move towards the right side. Because the top end of the movable column 1 is inclined, the inclined edge is matched and parallel with the inclined edge of the second trapezoidal block 3, and the inclined surface of the second trapezoidal block 3 extrudes the fixed column 21 to move downwards. Because the left side and the right side of the fixed column 21 are provided with short columns by welding, the short columns are installed in the moving groove 22, and the second spring 23 is installed between the short columns and the upper wall of the moving groove 22, when the fixed column 21 moves downwards, the second spring 23 extends, and the lower end of the fixed column 21 drives the glue discharging box 6 to move downwards through the mounting plate 5. And the threaded rod 4 rotates reversely to pull the trapezoidal block II 3 to move to the left side, the fixed column 21 is driven to move towards the inside of the movable column 1 under the elastic action of the spring II 23, and the movable column 1 drives the glue outlet box 6 to move upwards.
After the electromagnet 9 is electrified, magnetism appears, and the first trapezoid block 86 is iron, so that the electromagnet 9 attracts the first trapezoid block 86, and the first trapezoid block 86 moves towards the upper left corner. Because there are buffer roller about the trapezoidal piece 86 both sides movable mounting, the bottom side of left side buffer roller articulates the inner wall department that goes out gluey case 6, the articulated department of sub-baffle 82 of right side buffer roller installation and carriage release lever 84, connecting spring 85 between two buffer roller, so trapezoidal piece 86 top-down narrows down gradually, when trapezoidal piece 86 upper left side moves, because of left side buffer roller fixes in going out gluey case 6, make under the spring action of spring 85, pulling baffle 82 moves to the left side, the space grow between discharging pipe 81 and the baffle 82. Discharging pipe 81's internally mounted ball 83, discharging pipe 81's the left and right sides fixed mounting arc board, the arc board is kept away from discharging pipe 81's one side laminating on glue spreader 10's surface, and glue flows to ball 83's surface from the space, and glue spreader 10 drives ball 83 and rotates, and the glue on ball 83 surface paints to glue spreader 10's surface, has glue spreader 10 to paint to integrated circuit board surface afterwards.
To sum up, this glued device of integrated circuit in touch tap water economizer's sensor drives trapezoidal piece two 3 through threaded rod 4 and removes about to extrusion movable column 1 reciprocates in the inside of fixed column 21, and then drives out gluey case 6, glue spreader 10 and reciprocates, has realized adjusting according to the thickness difference of integrated circuit board, increases the practicality of device.
This gummed device of integrated circuit in sensor of touch tap water economizer, after 9 circular telegrams through the electro-magnet, attract trapezoidal piece 86, trapezoidal piece 86 promotes movable rod 84 and removes to the left side, and movable rod 84 promotes baffle 82 and removes to the left side, the clearance grow of discharging pipe 81 inner wall and baffle 82 this moment, glue flows to ball 83 surface along with it, glue spreader 10 rotates thereupon and drives ball 83 and roll, scribble glue to the surface of glue spreader 10, it is even to go out glue this moment, avoid glue extravagant.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a device of integrated circuit rubber coating in sensor of touch tap water economizer which characterized in that: including discharging device (8), the right side fixed mounting of discharging device (8) has discharging pipe (81), the middle part movable mounting of discharging pipe (81) has baffle (82), the bottom movable mounting of discharging pipe (81) has ball (83), the fixed articulated carriage release lever (84) that has in left side of baffle (82), one side swing joint that carriage release lever (84) are close to baffle (82) has spring one (85), the top movable mounting of spring one (85) has trapezoidal piece one (86).
2. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 1, wherein: still including activity post (1), the top movable mounting of activity post (1) has trapezoidal piece two (3), the left side movable mounting of trapezoidal piece two (3) has threaded rod (4), the below fixed mounting of activity post (1) has mounting panel (5), the below activity hinge of mounting panel (5) has out to glue case (6), and the inside fixed mounting who goes out to glue case (6) has the storage to glue case (7), the left side fixed mounting who stores up to glue case (7) has electro-magnet (9), the below movable mounting who goes out to glue case (6) has glue spreader (10).
3. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 2, wherein: the limiting mechanism (2) is sleeved on the outer side of the movable column (1), a fixed column (21) is fixedly mounted on the outer side of the limiting mechanism (2), moving grooves (22) are formed in two sides of the fixed column (21), and a second spring (23) is fixedly mounted above the moving grooves (22).
4. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 2, wherein: the top end of the movable column (1) is inclined, and the inclined edge is matched and parallel with the inclined edge of the second trapezoidal block (3).
5. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 3, wherein: short posts are welded on the left side and the right side of the fixed post (21), the short posts are installed in the moving groove (22), and a second spring (23) is installed between the short posts and the upper wall of the moving groove (22).
6. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 1, wherein: the left side and the right side of the trapezoid block I (86) are movably provided with buffer rollers, the bottom side of the buffer roller on the left side is hinged to the inner wall of the glue outlet box (6), the baffle plate (82) of the buffer roller on the right side is hinged to the moving rod (84), and a spring I (85) is connected between the two buffer rollers.
7. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 1, wherein: the first trapezoid block (86) is made of iron, a supporting rod is fixedly mounted on the right lower side of the first trapezoid block (86), a limiting block is welded on the right side of the supporting rod, and the lower block is sleeved on the outer side of the moving rod (84).
8. The device for gluing the integrated circuit in the sensor of the touch type water saver of the water faucet as claimed in claim 1, wherein: the glue spreader is characterized in that balls (83) are arranged inside the discharging pipe (81), arc plates are fixedly arranged on the left side and the right side of the discharging pipe (81), and one side, far away from the discharging pipe (81), of each arc plate is attached to the surface of the glue spreader (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111261766.1A CN114063391A (en) | 2021-10-28 | 2021-10-28 | Integrated circuit gluing device in sensor of touch type water saving device of water faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111261766.1A CN114063391A (en) | 2021-10-28 | 2021-10-28 | Integrated circuit gluing device in sensor of touch type water saving device of water faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114063391A true CN114063391A (en) | 2022-02-18 |
Family
ID=80235716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111261766.1A Withdrawn CN114063391A (en) | 2021-10-28 | 2021-10-28 | Integrated circuit gluing device in sensor of touch type water saving device of water faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114063391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115903390A (en) * | 2022-11-23 | 2023-04-04 | 上海图双精密装备有限公司 | Gluing mechanism and gluing equipment |
-
2021
- 2021-10-28 CN CN202111261766.1A patent/CN114063391A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115903390A (en) * | 2022-11-23 | 2023-04-04 | 上海图双精密装备有限公司 | Gluing mechanism and gluing equipment |
| CN115903390B (en) * | 2022-11-23 | 2023-12-08 | 上海图双精密装备有限公司 | Rubberizing mechanism and rubberizing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106531843A (en) | Efficient silicon wafer cleaning device for manufacturing solar photovoltaic cell panel | |
| CN114063391A (en) | Integrated circuit gluing device in sensor of touch type water saving device of water faucet | |
| US20080087318A1 (en) | Solar tracking device | |
| CN107846185A (en) | A kind of solar tracking photovoltaic power generation apparatus | |
| CN205742051U (en) | A kind of bridge floor high-efficiency water-spraying device | |
| CN110645823A (en) | Electromagnetic heat exchange box drainage structure of waste heat recovery system | |
| CN110668158A (en) | Blocking and separating device on conveying roller way | |
| CN207694529U (en) | A kind of subway undermines dust falling system | |
| CN207987841U (en) | A kind of sweeping machine brush dish driving mechanism | |
| CN203803362U (en) | Efficient transmission layer desulfurization device in desulfurization absorption tower | |
| CN201981629U (en) | Water-saving urinal for men | |
| CN103878135A (en) | Valve special for photovoltaic power station solar panel cleaning system | |
| CN204715588U (en) | Novel curtain wall aluminum veneer | |
| CN203704765U (en) | Water supply system for cooling tower water tank | |
| CN208531528U (en) | It can scouring type automatic tensioning type tape sweeper | |
| CN201713934U (en) | Overflow and siphon automatic blowdown apparatus | |
| CN205288826U (en) | Solar energy lamination piece edge lubricating arrangement | |
| CN205771408U (en) | Terminal belt machine material receiving port cover plate for sealing device | |
| CN203886843U (en) | Valve special for solar panel cleaning system of photovoltaic power station | |
| CN210816418U (en) | Photovoltaic module self-cleaning car device | |
| CN212300718U (en) | Manage and use building outer wall infiltration testing arrangement | |
| CN214423243U (en) | Height and width limiting device for newly-built highway of highway engineering | |
| CN209696557U (en) | A kind of umbrella water curtain dust-arrest device | |
| CN207486651U (en) | A kind of multifunctional solar energy streetlight | |
| CN202263719U (en) | Lower cross beam rubber coating structure of vibration sieve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220218 |