CN211140288U - Optical film storage device - Google Patents

Optical film storage device Download PDF

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Publication number
CN211140288U
CN211140288U CN201921738455.8U CN201921738455U CN211140288U CN 211140288 U CN211140288 U CN 211140288U CN 201921738455 U CN201921738455 U CN 201921738455U CN 211140288 U CN211140288 U CN 211140288U
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storage box
storage
optical film
air
box
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CN201921738455.8U
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叶际明
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Xinyang Tuzhan Photoelectric Co ltd
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Xinyang Tuzhan Photoelectric Co ltd
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Abstract

The utility model relates to a be used for optical film storage device, including the storage box, around sliding and being equipped with a plurality of storage box that distribute from top to bottom in it, the storage box top is uncovered, it is equipped with a plurality of gliding splint to be close to the equal interval on the interior bottom of its adjacent both sides wall of a set of, storage box bottom one side is equipped with the air-supply line, its air intake is equipped with the aspiration channel, its air outlet passes through air-supply line and storage box bottom lateral wall intercommunication, aspiration channel and air-supply line tail end all are equipped with the filtration drying layer, be equipped with out the fan on one side that the air-supply line was kept away from at the storage box top, go out fan air intake and storage. The utility model discloses the leakproofness is good, deposits in batches to optical film to can the fixed not unidimensional optical film of centre gripping, application scope is wide, and advances through controller automatic control, goes out the fan and carries out the drying, and the simple operation is dustproof, dampproofing when being favorable to the storage, guarantees optical film's storage quality.

Description

Optical film storage device
Technical Field
The utility model belongs to the technical field of the optical film, concretely relates to be used for optical film storage device.
Background
Optical films are a class of optical media materials that are composed of thin layered media and propagate a light beam through an interface. Currently, optical films are widely used in the optical and optoelectronic technology fields to manufacture various optical instruments. The main optical thin film devices include reflective films, antireflection films, polarizing films, interference filters, spectroscopes, and the like, which have been widely used in national economy and national defense construction, and have received increasing attention from scientific and technological workers. During the production process or use of the optical film, batches of optical film need to be stored. Because of the characteristics of the optical film, the requirements on the storage conditions are strict, the humidity and impurities of the storage environment, the load capacity of the storage equipment, the vibration received during storage and the like can all influence the optical film, and the adverse effect is easily generated on the optical film, so that the optical film forms a poor product, and the qualification rate of the optical film is reduced. The sealing performance of the existing related storage device is poor, during storage, the optical film is easily influenced by external impurities, moisture and the like, the storage quality of the optical film is seriously influenced, and when the existing storage device is used for storage, all the optical films which can be borne are generally accumulated together for storage, the collision between the films is increased, the films are not convenient to take and place and the films are dried, the films are more easily influenced by the external moisture to generate bad products, meanwhile, the size of a storage space is fixed and cannot be used for storing the optical films with different sizes and specifications, the application range is small, and the storage of the optical films is not facilitated.
The patent with the publication number of CN207791487U discloses an optical film storage device, box including the cuboid shape, box top lid has closed the case lid, be equipped with a plurality of parallel and align to grid's storage frame in the box, the storage is separated for a plurality of layers with the baffle, the baffle surface evenly is equipped with a plurality of holding tanks, two relative sides of storage frame are equipped with the slider of vertical direction, the box inner wall be equipped with the spout of slider matched with vertical direction. The storage device is provided with the plurality of storage racks, each storage rack is divided into the plurality of layers, each layer is provided with the plurality of storage grooves, a large number of optical films can be accommodated at the same time, the storage quantity is large, and the space utilization rate is high. However, the size of the storage tank of the storage device is fixed, only optical films with corresponding sizes can be stored, the application range is limited, the use flexibility is poor, the box body is not subjected to dustproof and anti-seismic treatment, only desiccant is used for dehumidification, the effect is poor, the storage quality of the optical films cannot be effectively guaranteed, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a be used for optical film storage device, the leakproofness of device is greatly improved through the chamber door that has joint strip, utilize a plurality of storage boxes to realize depositing in batches, but the fixed not optical film of equidimension specification of difference of centre gripping through the movable clamp plate, application scope is wide, therefore, the clothes hanger is strong in practicability, and through advancing, the setting of air-out machine and the dampproofing base of shock attenuation, strengthen the antidetonation of device greatly, dampproofing ability, it is poor to solve the dustproof antidetonation ability of current storage device, easily receive external moisture to influence, application scope causes optical film's storage effect not good for a short time, the quality subalternation problem.
In order to achieve the above object, the utility model adopts the following technical scheme: the optical film storage device comprises a storage box, wherein the front end of the storage box is open and is hinged with a box door, a circle of sealing rubber strips are arranged on the edge of the inner side wall of the box door, a plurality of storage boxes are arranged in the storage box in a front-back sliding and detachable mode, the storage boxes are uniformly distributed at intervals up and down, the top of each storage box is open, a plurality of movable clamping plates are arranged on the inner bottom of each storage box close to one group of adjacent two side walls at intervals, the movable clamping plates are arranged in a sliding mode towards the direction of the storage box side wall opposite to the movable clamping plates, cushion pads are arranged on the side faces of the movable clamping plates towards one side of the storage box side wall opposite to the movable clamping plates and on the inner side wall of the storage box opposite to the movable clamping plates, a plurality of ventilation holes are formed in the bottom of the storage, the air suction pipe and the air inlet pipe are provided with a filtering and drying layer at the tail ends, one side of the top of the storage box, far away from the air inlet machine, is provided with an air outlet machine, the air inlet of the air outlet machine is communicated with the top of the storage box, the top wall in the storage box is provided with a humidity sensor, the outer wall of the storage box is provided with a controller, the humidity sensor, the air inlet machine and the air outlet machine are electrically connected with a uniform controller, and the outer bottom of the storage box is.
Preferably, the symmetry is equipped with two sets of slide rails on the inside wall about the storage box, and every group slide rail includes a plurality of dovetail slide rails that are interval equipartition from top to bottom, the dovetail slide rail sets up along the storage box fore-and-aft direction, be equipped with the spout with dovetail slide rail looks adaptation about the storage box on the lateral wall, the storage box passes through the spout and can dismantle with dovetail slide rail is connected.
Preferably, move splint and locate the front end and the right-hand member of storage box, the blotter is located on the inside wall of storage box left end and rear end and moves on the splint towards one side of its storage box lateral wall that corresponds.
Preferably, move the splint and be "L" shape, the lateral surface of its vertical portion is towards its relative storage box lateral wall place direction, the bottom middle part of moving the splint is equipped with the slider, it all is equipped with the guide way to correspond every slider that moves the splint and the slip direction on the bottom in the storage box, the slider adaptation is located in the guide way and slides, the symmetry is equipped with two sets of locking bolt on the splint that move of slider both sides.
Preferably, the guide way that the splint that moves that the storage box front end corresponds is the vertical cross setting with the guide way that the splint that moves that stores the box right-hand member corresponds, the position of ventilation hole and each guide way staggers mutually.
Preferably, the damp-proof damping base comprises a damping shell, a downwardly concave placing groove is formed in the upper surface of the damping shell, the bottom of the storage box is arranged in the placing groove and is connected with the placing groove in a welding mode, a plurality of longitudinal damping springs are connected between the bottom of the placing groove and the inner bottom wall of the damping shell, and a plurality of transverse damping springs are connected between the side wall of the placing groove and the inner side wall of the damping shell.
Preferably, the filtering and drying layer consists of a left filter screen, a right filter screen and a plurality of drying agent particles arranged between the two filter screens.
Preferably, storage box front end lateral wall middle part is equipped with the handle, correspond on the chamber door inside wall and store the position department symmetry at both ends about the storage box front end lateral wall and vertically be equipped with two sets of briquetting.
The utility model has the advantages that: the utility model relates to a rationally, simple structure: the sealing performance of the whole device can be greatly improved through the box door with the sealing rubber strip, the influence of external dust and moisture on the optical film in the storage process is reduced, and the quality of the optical film is ensured; the optical films can be stored in batches by utilizing the plurality of storage boxes, the problems that the collision between the films is easy to increase, the films are inconvenient to take and place, the films are dried and the like when the optical films are stacked together for storage are solved, the storage quality of the optical films is improved, and the storage boxes are detachably connected in a sliding manner through the dovetail-shaped sliding rails and the sliding grooves to form a drawer-type structure, so that the optical films are more convenient to store and take; the movable clamping plates are arranged on the inner bottom parts, close to a group of adjacent two side walls, of each storage box in a sliding mode, and the optical films with different sizes and specifications can be clamped and fixed in a matching mode through the change of the positions of the movable clamping plates, so that the optical films with different specifications are stored, the application range of the storage device is expanded, the practicability of the storage device is improved, and the storage cost is reduced; in the storage process, the humidity sensor can detect the humidity information in the storage box in real time and transmit the humidity information to the controller, when the detected humidity information is higher than a set value, the controller can automatically control and start the air inlet and outlet machine, clean and dry air is conveyed into the storage box by using the air inlet machine with the filtering and drying layer, the stored optical film is subjected to ventilation drying treatment, air circulation is realized by the air outlet machine, the drying effect is greatly improved, the humidity condition required by the storage of the optical film is ensured, and the qualification rate of the optical film product is improved; the setting of the damp-proof base of shock attenuation can reduce ground moisture to the erosion and the influence of storage box, can utilize vertical and horizontal damping spring in it to carry out all-round buffering shock attenuation again, improves the shock attenuation effect of whole device greatly, alleviates vibrations to optical film's influence, further improves optical film's storage quality.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic structural view of the inner side wall of the door of the present invention;
fig. 5 is a schematic structural view of the storage box of the present invention;
fig. 6a is the structure schematic diagram of the main view that the bottom is connected in movable splint and storage box of the utility model, and fig. 6b is the structure schematic diagram of the left view that the bottom is connected in movable splint and storage box.
Reference numbers in the figures: 1 is the storage box, 2 is humidity transducer, 3 is the controller, 4 is the tuber pipe, 5 is the play fan, 6 is the storage box, 7 is the handle, 8 is dovetail slide rail, 9 is the air inlet machine, 10 is the aspiration channel, 11 is the filter drying layer, 12 is the air-supply line, 13 is the dampproofing base of shock attenuation, 14 is the shock attenuation casing, 15 is the standing groove, 16 is vertical damping spring, 17 is horizontal damping spring, 18 is the filter screen, 19 is the drier granule, 20 is the chamber door, 21 is joint strip, 22 is the briquetting, 24 is the ventilation hole, 25 is the guide way, 26 is the movable clamp plate, 27 is locking bolt, 28 is the slider.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description, it is to be understood that the described embodiments are merely illustrative of some, but not all embodiments of the invention, and that in the description of the invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used for convenience in describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The optical film storage device comprises a storage box 1, a box door 20 is arranged at the front end of the storage box 1 in an open and hinged mode and facilitates loading and taking of optical films, a circle of sealing rubber strips 21 are arranged on the edge of the inner side wall of the box door 20, after the box door 20 is closed, the sealing rubber strips 21 can be arranged between the box door 20 and the front end of the storage box 1, the sealing performance of the storage box 1 is greatly improved, the influence of external dust and moisture on the optical films in the storage process is reduced, the quality of the optical films is guaranteed, a plurality of storage boxes 6 are arranged in the storage box 1 in a sliding mode and can be detachably distributed at intervals, the optical films can be stored in batches through a plurality of storage boxes 6, the problems that collision between the optical films is easy to increase when the optical films are stacked together for storage, the films are inconvenient to take and place, the films are not convenient to dry and the films are solved, the storage quality of the optical films is improved, and the optical films are detachably connected with the storage box 1 through sliding of the storage boxes 6 and the storage box 1, the storage box 6, a buffer cushion pad 26 is arranged on the storage box 1, the air inlet of the optical film 6, the air inlet of the air inlet fan 6, the air inlet of the optical film 6, the air inlet of the optical film is capable of the air inlet fan, the air inlet of the air for controlling and the air drying machine for controlling the drying machine for drying.
In this embodiment, the symmetry is equipped with two sets of slide rails on the left and right sides inside wall of storage box 1, and every group slide rail includes a plurality of dovetail slide rail 8 that are interval equipartition from top to bottom, and dovetail slide rail 8 sets up along the fore-and-aft direction of storage box 1, is equipped with the spout with 8 looks adaptations of dovetail slide rail on the left and right sides lateral wall of storage box 6 for storage box 6 accessible spout can be dismantled with 8 sliding of dovetail slide rail and be connected, makes it to form drawer type structure, the optical film's of being more convenient for storage and taking.
In this embodiment, move splint 26 and locate the front end and the right-hand member of storage box 6, blotter 23 is located on the inside wall of storage box 6 left end and rear end and is moved splint 26 towards one side of its storage box 6 lateral wall that corresponds, make when utilizing storage box 6 to load optical film, can hug closely optical film's left end inside wall and rear end inside wall of storage box 6 and place, place the completion back, according to the size of the optical film who places, move movable splint 26 on suitable quantity and the suitable position, make movable splint 26 on the right-hand member slide towards the left end, movable splint 26 on the front end slides towards the rear end, until can press from both sides optical film tightly, can accomplish the centre gripping of optical film fixedly, be convenient for store, guarantee its storage quality.
In this embodiment, the movable clamp 26 is "L" shaped, the outer side of its vertical portion faces the direction of the opposite sidewall of the storage box 6, the middle of the bottom end of the movable clamp 26 is provided with a slide 28, the inner bottom of the storage box 6 is provided with a guide slot 25 corresponding to the slide 28 and the sliding direction of each movable clamp 26, the slide 28 is adapted to the guide slot 25 and slidably disposed in the guide slot 25, thereby realizing the position change of the movable clamp 26, and the optical films with different sizes are clamped in cooperation, two sets of locking bolts 27 are symmetrically disposed on the movable clamps 26 at both sides of the slide 28, after the position of the movable clamp 26 is determined, the locking bolts 27 are screwed into the bottom of the movable clamp 26 until the screw ends of the locking bolts 27 are tightly pressed on the inner bottom wall of the storage box 6, so that the position of the movable clamp 26 is fixed, the clamping limit of the optical films by the movable clamps 26 is ensured, the guide slot 25 corresponding to the movable clamp 26 at the front end of the storage box 6 and the guide slot 25 corresponding to the movable clamp 26 at the right end of the storage box 6 are vertically crossed, thereby ensuring that all the movable clamps 26 and the vent holes 24 and the guide.
In this embodiment, the damp-proof base 13 includes the shock attenuation casing 14, and the upper surface of shock attenuation casing 14 is equipped with the standing groove 15 of undercut, and the bottom adaptation of storage box 1 is in standing groove 15, and it is arranged in standing groove 15 and is connected with standing groove 15 welding, is connected with a plurality of vertical damping spring 16 between the bottom of standing groove 15 and the interior diapire of shock attenuation casing 14, is connected with a plurality of horizontal damping spring 17 between the lateral wall of standing groove 15 and the inside wall of shock attenuation casing 14. Through the setting of the damp-proof base 13 of shock attenuation, can reduce ground moisture to the erosion and the influence of storage box 1, can utilize vertical and horizontal damping spring in it to carry out all-round buffering shock attenuation again, improve the shock attenuation effect of whole device greatly, alleviate the influence of vibrations to optical film, further improve optical film's storage quality.
In this embodiment, the filtering and drying layer 11 is composed of left and right two-layer filtering net 18 and a plurality of drying agent particles 19 arranged between the two-layer filtering net 18, and is used for respectively dehumidifying and double-filtering the air entering the storage box 1, so as to ensure the drying and cleaning of the air for drying the optical film, and improve the dehumidifying effect.
In this embodiment, the front end lateral wall middle part of storage box 6 is equipped with handle 7, conveniently controls the slip and the dismouting of storage box 6, and then is convenient for to loading and taking of optical film. The symmetry of position department and the vertical two sets of briquettings that are equipped with at both ends about corresponding storage box 6 front end lateral wall on chamber door 20's the inside wall, it is when chamber door 20 is in the closure state, can support and press on all the left and right sides both ends of storing 6 front end lateral walls of box, guarantees that the position of storing box 6 is fixed among the storage process, avoids causing the damage to optical film.
The utility model discloses a use method: the utility model discloses when using, open chamber door 20 earlier, take off unloaded storage box 6 from dovetail slide rail 8, then will treat the optical film of storage to load in the storage box 6. When loading, the left end inside wall and the rear end inside wall that storage box 6 was hugged closely to optical film place, place the completion back, according to the size of the optical film who places, remove the splint 26 that moves on suitable quantity and the suitable position, make the splint 26 that moves on the right-hand member slide towards the left end, move on the front end splint 26 towards the rear end slide, until can with optical film clamp tightly can. After the position of the movable clamping plate 26 is determined, the locking bolt 27 on the movable clamping plate 26 is screwed into the bottom of the movable clamping plate 26 until the screw end of the locking bolt 27 is tightly pressed on the inner bottom wall of the storage box 6, so that the position of the movable clamping plate 26 is fixed, then the storage box 6 is installed back on the dovetail-shaped slide rail 8 and is made to slide to the rear end of the dovetail-shaped slide rail 8 for placement, the loading of the optical film is completed, and then the box door 20 is closed. After the box door 20 is closed, the sealing rubber strip 21 is arranged between the box door 20 and the front end of the storage box 1, so that the sealing performance of the storage box 1 is guaranteed, meanwhile, the pressing block on the box door 20 can be pressed on the left end and the right end of the outer side wall of the front end of all the storage boxes 6, the position of the storage boxes 6 in the storage process is guaranteed to be fixed, and the collision damage to the optical film is avoided. In the storage process, the humidity sensor 2 detects humidity information in the storage box 1 in real time and transmits the humidity information to the controller 3, when the detected humidity information is higher than a set value, the controller 3 can automatically control and start the air inlet fan 9 and the air outlet fan 5, the air inlet fan 9 sucks external air through the air suction pipe 10, the external air is conveyed into the storage box 1 through the air inlet pipe 12 after double filtering and drying of the air suction pipe 10 and the filtering and drying layer 11 in the air inlet pipe 12, and the cleanness and the drying of the air are guaranteed. The clean dry air accessible storage box 6 bottoms's of entering storage box 1 ventilation hole 24 disperses to each storage box 6 in to carry out the through-air drying to the optical film of storage and handle, go out fan 5 then through the air-out that goes out tuber pipe 4 will have the air escape of moisture, realize the circulation of air circulation, improve dry dehumidification effect. In addition, in the storage process, when the storage box 1 receives vibrations of certain degree, vertical damping spring 16 and horizontal damping spring 17 in the dampproofing base 13 of shock attenuation play the cushioning effect jointly, subdue the produced adverse effect of vibrations greatly, make storage box 1 keep steady, and dampproofing base 13 of shock attenuation makes storage box 1 present liftoff state simultaneously, reduces the erosion and the influence of ground moisture to the storage box.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The device for storing the optical films is characterized by comprising a storage box, wherein the front end of the storage box is open and is hinged with a box door, the edge of the inner side wall of the box door is provided with a circle of sealing rubber strips, the storage box is internally provided with a plurality of storage boxes in a front-back sliding and detachable mode, the storage boxes are uniformly distributed at intervals up and down, the top of each storage box is open, the storage boxes are respectively provided with a plurality of movable clamping plates at intervals on the inner bottom parts of two adjacent groups of two side walls, the movable clamping plates are respectively arranged in a sliding mode towards the direction of the storage box side wall opposite to the movable clamping plates, the movable clamping plates are respectively provided with a buffer cushion pad on one side surface of the storage box side wall opposite to the movable clamping plates and on the inner side wall of the storage box opposite to the, the air inlet machine air outlet is communicated with the side wall of the bottom of the storage box through an air inlet pipe, the tail ends of the air suction pipe and the air inlet pipe are respectively provided with a filtering and drying layer, one side, away from the air inlet machine, of the top of the storage box is provided with an air outlet machine, the air inlet machine is communicated with the top of the storage box, the top wall in the storage box is provided with a humidity sensor, the outer wall of the storage box is provided with a controller, the humidity sensor, the air inlet machine and the air outlet machine uniform controller are electrically connected, and the bottom.
2. The optical film storage device as claimed in claim 1, wherein two sets of slide rails are symmetrically disposed on the left and right inner side walls of the storage box, each set of slide rails includes a plurality of dovetail slide rails uniformly spaced from each other at an upper and lower interval, the dovetail slide rails are disposed along the front and rear direction of the storage box, sliding grooves adapted to the dovetail slide rails are disposed on the left and right outer side walls of the storage box, and the storage box is detachably connected to the dovetail slide rails through the sliding grooves.
3. The optical film storage device as claimed in claim 1, wherein said movable clamping plates are provided at the front and right ends of the storage case, and said buffer pads are provided on the inner side walls of the left and rear ends of the storage case and on the side surfaces of the movable clamping plates facing the side walls of the storage case corresponding thereto.
4. The optical film storage device as claimed in claim 3, wherein the movable clamp plate is shaped like "L", the outer side of the vertical portion of the movable clamp plate faces the opposite side wall of the storage box, a sliding block is disposed at the middle of the bottom end of the movable clamp plate, a guide groove is disposed at the bottom of the storage box corresponding to the sliding block of each movable clamp plate and the sliding direction of the sliding block, the sliding block is adapted to and slidably disposed in the guide groove, and two sets of locking bolts are symmetrically disposed on the movable clamp plate at two sides of the sliding block.
5. The optical film storage device as claimed in claim 4, wherein the guide grooves corresponding to the movable clamp plate at the front end of the storage box are vertically crossed with the guide grooves corresponding to the movable clamp plate at the right end of the storage box, and the positions of the ventilation holes and the guide grooves are staggered.
6. The optical film storage device as claimed in claim 1, wherein the shock absorbing and moisture proof base comprises a shock absorbing shell, the upper surface of the shock absorbing shell is provided with a placement groove which is concave downwards, the bottom of the storage box is placed in the placement groove and is connected with the placement groove in a welding mode, a plurality of longitudinal shock absorbing springs are connected between the bottom of the placement groove and the inner bottom wall of the shock absorbing shell, and a plurality of transverse shock absorbing springs are connected between the side wall of the placement groove and the inner side wall of the shock absorbing shell.
7. The optical film storage device as claimed in claim 1, wherein the filter drying layer is composed of left and right two-layer filters and a plurality of desiccant particles disposed between the two-layer filters.
8. The optical film storage device as claimed in claim 1, wherein a handle is disposed at a middle portion of the outer sidewall of the front end of the storage box, and two sets of pressing blocks are symmetrically and vertically disposed on the inner sidewall of the box door corresponding to the left and right ends of the outer sidewall of the front end of the storage box.
CN201921738455.8U 2019-10-17 2019-10-17 Optical film storage device Active CN211140288U (en)

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Application Number Priority Date Filing Date Title
CN201921738455.8U CN211140288U (en) 2019-10-17 2019-10-17 Optical film storage device

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Application Number Priority Date Filing Date Title
CN201921738455.8U CN211140288U (en) 2019-10-17 2019-10-17 Optical film storage device

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CN211140288U true CN211140288U (en) 2020-07-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112291965A (en) * 2020-10-23 2021-01-29 泉州市森利电子设备有限公司 Traffic and transportation integrated information processing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112291965A (en) * 2020-10-23 2021-01-29 泉州市森利电子设备有限公司 Traffic and transportation integrated information processing equipment

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A device for optical thin film storage

Effective date of registration: 20211230

Granted publication date: 20200731

Pledgee: Bank of China Limited Xinyang branch

Pledgor: Xinyang Tuzhan Photoelectric Co.,Ltd.

Registration number: Y2021980017079

PE01 Entry into force of the registration of the contract for pledge of patent right