CN107331755A - A kind of scraper mechanism for LED die bond lacquer disk(-sc)s - Google Patents
A kind of scraper mechanism for LED die bond lacquer disk(-sc)s Download PDFInfo
- Publication number
- CN107331755A CN107331755A CN201710594237.0A CN201710594237A CN107331755A CN 107331755 A CN107331755 A CN 107331755A CN 201710594237 A CN201710594237 A CN 201710594237A CN 107331755 A CN107331755 A CN 107331755A
- Authority
- CN
- China
- Prior art keywords
- lacquer disk
- spring
- scraper
- fixed
- die bond
- 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- Withdrawn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
- 239000004922 lacquer Substances 0.000 title claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910021389 graphene Inorganic materials 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 241000208202 Linaceae Species 0.000 claims description 6
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 5
- ZYWUVGFIXPNBDL-UHFFFAOYSA-N n,n-diisopropylaminoethanol Chemical compound CC(C)N(C(C)C)CCO ZYWUVGFIXPNBDL-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 239000000084 colloidal system Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical group CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a kind of scraper mechanism for LED die bond lacquer disk(-sc)s, including lacquer disk(-sc) and base, the base is fixed on workbench by the bolt in through hole, fixed plate one end on base is connected with slide plate, the side of slide plate is provided with chute, one end of spring eye and spring in fixed plate is fixed, the other end of spring is fixed on stripe board, fix bar is socketed with spring, one end active card of fix bar is loaded in spring eye, one end of fix bar is connected with stripe board, the first screwed hole internal thread on the second screwed hole and fixed plate in stripe board is connected with screw mandrel, one end of stripe board is connected with sliding block, and sliding block active card is loaded in chute, the thickness of die bond is definitely controlled by the scale on slide plate, the other end of stripe board is connected by the first screw with connecting plate, connecting plate has scraper by the second mode connects for screw, the first arc block and the second arc block on scraper can prevent colloid overflow or enter lacquer disk(-sc) bearing.
Description
Technical field
The present invention relates to LED manufacturing technologies field, specially a kind of scraper mechanism for LED die bond lacquer disk(-sc)s.
Background technology
Crystal-bonding adhesive could be used, crystal-bonding adhesive is put into rotation in lacquer disk(-sc), starts using preceding needing to thaw after after body drying
Die bond.During die bond, chip need to be fixed on carrier cup middle.It is now general in LED die bond processes, it will usually colloid entrance occur
Phenomenon in lacquer disk(-sc) bearing, can cause colloid to become black powder into the colloid in bearing because of the long-time running friction of lacquer disk(-sc)
End, black powder can drop in lacquer disk(-sc), then cause the anomalies such as colloid nigrescence, lacquer disk(-sc) damage, so as to cause the LED of production
The chip radiating phenomenon that bad, brightness is bad and bonding wire is bad, has a strong impact on the quality and reliability of lamp bead, in addition in die bond work
Cheng Zhong, the thickness of die bond is uncontrollable, easily causes the wasting of resources.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of scraper mechanism for LED die bond lacquer disk(-sc)s, glue is solved
Body easily enters the uncontrollable problem of the thickness of lacquer disk(-sc) bearing and die bond.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of scraper mechanism for LED die bond lacquer disk(-sc)s,
Including lacquer disk(-sc) and base, the upper surface of the base is provided with through hole, and through hole of the quantity no less than four is placed equidistant, and base leads to
The bolt crossed in through hole is fixed on workbench, and the upper surface of base is fixed with fixed plate, and one end of fixed plate is connected with slide plate, sliding
The side of plate is provided with chute, and the side of slide plate is provided with scale close to the notch of chute, and the upper surface of fixed plate is many provided with quantity
In two equidistant spring eyes, spring eye is fixed by one end of spring retaining tab and spring, and the other end of spring passes through spring
Connection sheet, which is fixed in stripe board, spring, is socketed with fix bar, and one end active card of fix bar is loaded in spring eye, fix bar
The other end is fixedly connected on stripe board, and the upper surface of the fixed plate between two spring eyes is provided with the first screwed hole, bar shaped
The second screwed hole is provided with the middle part of plate, the second screwed hole is corresponding with the first screwed hole, and in the second screwed hole and the first screwed hole
Screw mandrel is threaded with, one end of screw mandrel is provided with adjusting knob, and one end of stripe board is connected with sliding block, and sliding block active card is loaded on
In chute, the other end of stripe board is connected by the first screw with the boss on connecting plate, and connecting plate passes through the second mode connects for screw
There is scraper, the corner part of scraper bottom side is provided with notch, and the side of notch is connected with the first arc block, the opposite side of notch
Be connected with the second arc block, scraper is placed in the groove of lacquer disk(-sc), and the first arc block and the second arc block respectively with lacquer disk(-sc)
The side contacts of groove two.The bottom plate (6) includes stone light fibre graphene composite material, and material component includes：Graphene 10-
15th, diisopropyl ethanolamine 2-5, flax fiber 10-12, hollow glass micropearl 5-8, PTMC 180-210；System
Preparation Method includes：(1) above-mentioned flax fiber is added in graphene, stirred, add diisopropyl ethanolamine, magnetic force is stirred
Mix 10 minutes, insulated and stirred 15 minutes at 90 DEG C, ethanol is distilled off, air drying obtains graphene cross filament；(2) will
Above-mentioned graphene cross filament is mixed with hollow glass micropearl, PTMC, is stirred, is sent to extruder
In, melting extrusion, cooling produces the light fibre graphene polyester composite.It is preferred that, the quantity of first screw
No less than two.
It is preferred that, the quantity of second screw is no less than two, and second screw of the quantity no less than two is equidistant
Set.
It is preferred that, the scraper is made into integration with the first arc block, the second arc block.
It is preferred that, the screw mandrel is made into integration with adjusting knob.
(3) beneficial effect
The invention provides a kind of scraper mechanism for LED die bond lacquer disk(-sc)s.Possesses following beneficial effect：
(1), the present invention sets scraper, the first arc block, the second arc block, notch, colloid is retained in notch, and first
Arc block prevents colloid overflow, and the second arc block prevents colloid from entering lacquer disk(-sc) bearing.
(2), the present invention sets connecting plate, stripe board, spring, fix bar, the first screwed hole, the second screwed hole, screw mandrel, tune
Knob is saved, stripe board is lifted by adjusting knob, so that the distance between scraper and lacquer disk(-sc) are adjusted, so as to control the thickness of colloid
Degree, improves the controllability of colloid thickness.
(3), the present invention sets chute, scale, slide plate, sliding block, and stripe board prolongs the chute on slide plate with movable slider when lifting
Move up and down, and definitely control by scale the thickness of die bond.
(4), the present invention sets through hole, base, connecting plate, scraper mechanism can be used for into other places by base, led in addition
Different scrapers can be connected by crossing connecting plate, improve the practicality of device.The bottom plate (6) is multiple including stone light fibre graphene
Condensation material, cross-linked graphene composite has good impact strength, toughness, and light weight, can effectively improve finished product
The mechanical property of material, reduces the weight of finished product, and material declines 30% or so, tensile strength referring now to prior art proportion, hanged
Arm beam impact strength improves more than 20%.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side view of the present invention；
Fig. 3 is structural representation at A of the present invention.
In figure：1 chute, 2 scales, 3 slide plates, 4 fixed plates, 5 through holes, 6 bases, 7 springs, 8 first screwed holes, 9 fix bars,
10 scrapers, 11 lacquer disk(-sc)s, 12 connecting plates, 13 first screws, 14 stripe boards, 15 second screwed holes, 16 screw mandrels, 17 adjusting knobs, 18
First arc block, 19 second arc blocks, 20 second screws, 21 notches, 22 spring eyes, 23 sliding blocks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-3, the present invention provides a kind of technical scheme：A kind of scraper mechanism for LED die bond lacquer disk(-sc)s, including
Lacquer disk(-sc) (11) and base (6), the upper surface of base (6) are provided with through hole (5), and through hole (5) of the quantity no less than four is equidistantly set
Put, base (6) is fixed on workbench by the bolt in through hole (5), the upper surface of base (6) is fixed with fixed plate (4), it is fixed
One end of plate (4) is connected with slide plate (3), and the side of slide plate (3) is provided with chute (1), and the side of slide plate (3) is close to chute (1)
Notch is provided with scale (2), and the upper surface of fixed plate (4) is provided with no less than two equidistant spring eyes (22) of quantity, spring eye
(22) fixed by one end of spring retaining tab and spring (7), the other end of spring (7) is fixed on bar shaped by spring retaining tab
Fix bar (9) is socketed with plate (14), spring (7), one end active card of fix bar (9) is interior loaded on spring eye (22), fix bar
(9) the other end is fixedly connected on stripe board (14), and the upper surface of the fixed plate (4) between two spring eyes (22) is provided with
The second screwed hole (15), the second screwed hole (15) and the first screwed hole (8) are provided with the middle part of first screwed hole (8), stripe board (14)
It is corresponding, and the second screwed hole (15) and the first screwed hole (8) internal thread are connected with screw mandrel (16), one end of screw mandrel (16) is provided with
Adjusting knob (17), screw mandrel (16) is made into integration with adjusting knob (17), and one end of stripe board (14) is connected with sliding block (23), and
Sliding block (23) active card is loaded in chute (1), and the other end of stripe board (14) passes through on the first screw (13) and connecting plate (12)
Boss connection, the quantity of the first screw (13) is no less than two, and connecting plate (12) is connected with scraper by the second screw (20)
(10), the quantity of the second screw (20) is no less than two, and quantity is no less than two the second screw (20) spaced set, scrapes
The corner part of knife (10) bottom side is provided with notch (21), and the side of notch (21) is connected with the first arc block (18), notch
(21) opposite side is connected with the second arc block (19), scraper (10) and the first arc block (18), the second arc block (19) one
Be made, scraper (10) is placed in the groove of lacquer disk(-sc) (11), and the first arc block (18) and the second arc block (19) respectively with glue
The side contacts of groove two of disk (11).The bottom plate (6) includes stone light fibre graphene composite material, and material component includes：Stone
Black alkene 10-15, diisopropyl ethanolamine 2-5, flax fiber 10-12, hollow glass micropearl 5-8, PTMC
180-210；Preparation method includes：(1) above-mentioned flax fiber is added in graphene, stirred, add diisopropyl second
Ethanol is distilled off in hydramine, magnetic agitation 10 minutes, insulated and stirred 15 minutes at 90 DEG C, and air drying obtains graphene crosslinking
Fiber；(2) above-mentioned graphene cross filament is mixed with hollow glass micropearl, PTMC, stirred, sent into
Into extruder, melting extrusion, cooling produces the light fibre graphene polyester composite.Cross-linked graphene composite wood
Material has good impact strength, toughness, and light weight, can effectively improve the mechanical property of finished-product material, reduces finished product
Weight, material referring now to prior art proportion decline 30% or so, tensile strength, cantilever beam impact strength improve 20% with
On.
It can to sum up obtain, (1), the present invention set scraper (10), the first arc block (18), the second arc block (19), notch
(21) colloid, is made to be retained in notch (21), the first arc block (18) prevents colloid overflow, and the second arc block (19) prevents colloid
Into lacquer disk(-sc) bearing.
(2), the present invention set connecting plate (12), stripe board (14), spring (7), fix bar (9), the first screwed hole (8),
Second screwed hole (15), screw mandrel (16), adjusting knob (17), lift stripe board (14), so as to adjust by adjusting knob (17)
The distance between scraper (10) and lacquer disk(-sc) (11), so as to control the thickness of colloid, improve the controllability of colloid thickness.
(3), the present invention sets chute (1), scale (2), slide plate (3), sliding block (23), drives and slides when stripe board (14) is lifted
Block (23) prolongs chute (1) on slide plate (3) and moved up and down, and definitely controls by scale (2) thickness of die bond.
(4), the present invention sets through hole (5), base (6), connecting plate (12), can be used scraper mechanism by base (6)
In other places, different scrapers (10) can be connected additionally by connecting plate (12), the practicality of device is improved.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s, including lacquer disk(-sc) (11) and base (6), it is characterised in that：The base
(6) upper surface is provided with through hole (5), and through hole (5) of the quantity no less than four is placed equidistant, and base (6) passes through in through hole (5)
Bolt be fixed on workbench, the upper surface of base (6) is fixed with fixed plate (4), and one end of fixed plate (4) is connected with slide plate
(3), the side of slide plate (3) is provided with chute (1), and the side of slide plate (3) is provided with scale (2), fixed plate close to the notch of chute (1)
(4) upper surface passes through spring retaining tab and spring provided with no less than two equidistant spring eyes (22) of quantity, spring eye (22)
(7) one end is fixed, and the other end of spring (7) is fixed in stripe board (14), spring (7) by spring retaining tab to be socketed with admittedly
Fixed pole (9), one end active card of fix bar (9) is loaded in spring eye (22), and the other end of fix bar (9) is fixedly connected on bar shaped
Plate (14), the upper surface of the fixed plate (4) between two spring eyes (22) is provided with the first screwed hole (8), stripe board (14)
Middle part is provided with the second screwed hole (15), and the second screwed hole (15) is corresponding with the first screwed hole (8), and the second screwed hole (15) and
First screwed hole (8) internal thread is connected with screw mandrel (16), and one end of screw mandrel (16) is provided with adjusting knob (17), stripe board (14)
One end is connected with sliding block (23), and sliding block (23) active card, loaded in chute (1), the other end of stripe board (14) passes through the first spiral shell
Nail (13) is connected with the boss on connecting plate (12), and connecting plate (12) is connected with scraper (10), scraper by the second screw (20)
(10) corner part of bottom side is provided with notch (21), and the side of notch (21) is connected with the first arc block (18), notch
(21) opposite side is connected with the second arc block (19), and scraper (10) is placed in the groove of lacquer disk(-sc) (11), and the first arc block
And the second arc block (19) side contacts of groove two respectively with lacquer disk(-sc) (11) (18).
2. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s according to claim 1, it is characterised in that：First spiral shell
The quantity for following closely (13) is no less than two.
3. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s according to claim 1, it is characterised in that：Second spiral shell
The quantity for following closely (20) is no less than two, and quantity is no less than two the second screw (20) spaced set.
4. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s according to claim 1, it is characterised in that：The scraper
(10), the first arc block (18) and the second arc block (19) are made into integration.
5. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s according to claim 1, it is characterised in that：The screw mandrel
(16) it is made into integration with adjusting knob (17).
6. a kind of scraper mechanism for LED die bond lacquer disk(-sc)s according to claim 1, it is characterised in that：The bottom plate (6)
Including stone light fibre graphene composite material, material component includes：Graphene 10-15, diisopropyl ethanolamine 2-5, flax
Fiber 10-12, hollow glass micropearl 5-8, PTMC 180-210；Preparation method includes：(1) by above-mentioned flax
Fiber is added in graphene, is stirred, and adds diisopropyl ethanolamine, and magnetic agitation 10 minutes is incubated at 90 DEG C and stirred
Mix 15 minutes, ethanol is distilled off, air drying obtains graphene cross filament；(2) by above-mentioned graphene cross filament with it is hollow
Glass microballoon, PTMC mixing, are stirred, are sent in extruder, melting extrusion, and cooling is produced described
Light fibre graphene polyester composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594237.0A CN107331755A (en) | 2017-07-20 | 2017-07-20 | A kind of scraper mechanism for LED die bond lacquer disk(-sc)s |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594237.0A CN107331755A (en) | 2017-07-20 | 2017-07-20 | A kind of scraper mechanism for LED die bond lacquer disk(-sc)s |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331755A true CN107331755A (en) | 2017-11-07 |
Family
ID=60226691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594237.0A Withdrawn CN107331755A (en) | 2017-07-20 | 2017-07-20 | A kind of scraper mechanism for LED die bond lacquer disk(-sc)s |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331755A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895922A (en) * | 2017-11-22 | 2018-04-10 | 东莞市联洲知识产权运营管理有限公司 | A kind of universal cable clip |
| CN107931740A (en) * | 2017-12-22 | 2018-04-20 | 温岭市宇弘机械设备有限公司 | Numerical control rotation divides tooth-shaving machine |
| CN109482431A (en) * | 2019-01-24 | 2019-03-19 | 爱普科斯电阻电容(珠海)有限公司 | A kind of automatic injecting glue frictioning mechanism |
| CN113289862A (en) * | 2021-06-18 | 2021-08-24 | 东北林业大学 | A knife coating device for laboratory functional coating evenly coats |
| CN113522662A (en) * | 2021-06-11 | 2021-10-22 | 张安娜 | Relevant LED wafer paster work piece waxing processing apparatus of wisdom community |
-
2017
- 2017-07-20 CN CN201710594237.0A patent/CN107331755A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895922A (en) * | 2017-11-22 | 2018-04-10 | 东莞市联洲知识产权运营管理有限公司 | A kind of universal cable clip |
| CN107931740A (en) * | 2017-12-22 | 2018-04-20 | 温岭市宇弘机械设备有限公司 | Numerical control rotation divides tooth-shaving machine |
| CN109482431A (en) * | 2019-01-24 | 2019-03-19 | 爱普科斯电阻电容(珠海)有限公司 | A kind of automatic injecting glue frictioning mechanism |
| CN113522662A (en) * | 2021-06-11 | 2021-10-22 | 张安娜 | Relevant LED wafer paster work piece waxing processing apparatus of wisdom community |
| CN113522662B (en) * | 2021-06-11 | 2023-12-05 | 张安娜 | Wax coating processing device for LED chip patch workpiece related to intelligent community |
| CN113289862A (en) * | 2021-06-18 | 2021-08-24 | 东北林业大学 | A knife coating device for laboratory functional coating evenly coats |
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