CN108668427B - Preparation mechanism for sliding table fold PCB electronic device - Google Patents
Preparation mechanism for sliding table fold PCB electronic device Download PDFInfo
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- CN108668427B CN108668427B CN201810459958.5A CN201810459958A CN108668427B CN 108668427 B CN108668427 B CN 108668427B CN 201810459958 A CN201810459958 A CN 201810459958A CN 108668427 B CN108668427 B CN 108668427B
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- roller
- sliding
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- corrugation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
Abstract
The invention discloses a preparation mechanism of a slipway fold PCB electronic device, which comprises a first backing plate, two sliding mechanisms and a crossbeam plate, wherein the crossbeam plate is fixed on the sliding mechanisms, the preparation mechanism also comprises a lifting mechanism, the lifting mechanism comprises a servo motor and a slipway, the slipway is arranged on the servo motor, the slipway is provided with a first micro dynamic piezoelectric stack, the first micro dynamic piezoelectric stack is provided with a support, the support is in shaft connection with a first fold roller, the preparation mechanism also comprises a second backing plate, the second micro dynamic piezoelectric stack is arranged on the second backing plate, the preparation mechanism also comprises a material pulling roller mechanism, the material pulling roller mechanism comprises a first roller vertical plate, a first power roller and a second fold roller, the second fold roller and the first fold roller are respectively provided with oblique lines, and the direction of the second fold roller is opposite to that of the first fold roller, the lines also have a radian; the invention has simple structure, high efficiency and low cost, and is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of electronic device preparation, in particular to a sliding table fold PCB electronic device preparation mechanism.
Background
With the development of the electronic industry, the folded PCB gradually enters the visual field of people, and the folded PCB has the characteristics of flexibility, bending, stretching and the like, so that the folded PCB is suitable for emerging fields such as wearable devices, stretchable display devices, biocompatible medical devices and the like, and has a great practical value.
However, the existing preparation method of the folded PCB is not uniform enough in process performance and poor in stability, and the preparation method by utilizing photoetching, laser ablation and the like is expensive in manufacturing cost, time-consuming and not suitable for large-scale production, and meanwhile, the two preparation methods can damage the base film of an electronic device to different degrees, so that the quality and the reliability of the folded PCB are affected.
Disclosure of Invention
The invention aims to overcome the defects and provide a folded PCB preparation machine which is simple in structure, high in efficiency, low in cost and suitable for large-scale production.
In order to achieve the purpose, the invention adopts the following specific scheme:
a preparation mechanism of a sliding table corrugated PCB electronic device comprises a first base plate;
the first base plate is provided with two sliding mechanisms side by side, each sliding mechanism comprises a linear motor box, two linear guide rails side by side are arranged on the linear motor box, the first base plate further comprises a T-shaped motor moving block, sliding blocks are respectively arranged on the bottom surfaces of two ends of a cross arm of the motor moving block, and the sliding blocks are connected with the linear guide rails in a sliding mode;
the motor also comprises a shaped cross beam plate, wherein two ends of a short arm of the cross beam plate are respectively fixed on the motor moving block;
the lifting mechanism comprises a servo motor, the servo motor is fixed on the cross beam plate, the lifting mechanism further comprises a' shaped sliding table, a long arm of the sliding table is connected with the servo motor in a sliding mode, a short arm of the sliding table is provided with a transmission rod, the transmission rod is connected with a power output end of the servo motor, a first micro dynamic pressure pile is installed on the bottom surface of the sliding table, a reverse U-shaped support is installed on the first micro dynamic pressure pile, and a first fold roller is connected with the support in a shaft coupling mode;
the folding mechanism comprises a first base plate, a second base plate, a material pulling roller mechanism and a second folding roller, wherein the first base plate is fixed on the first base plate, the second base plate is positioned between two sliding mechanisms, a second micro dynamic pile is arranged on the second base plate, the material pulling roller mechanism is arranged on one side of the second base plate and comprises two first roller vertical plates and a first power roller which are arranged side by side, two ends of the first power roller are respectively in shaft connection with the first roller vertical plates, the second folding roller is positioned above the first power roller, a gap for a folding PCB to pass through is arranged between the second folding roller and the first power roller, the second folding roller and the first folding roller are respectively provided with oblique lines, and the direction of the second folding roller is opposite to that of the lines on the first folding roller, the lines also have a radian;
the feeding mechanism is positioned on the other side of the second base plate; the feeding mechanism comprises two second roller vertical plates and three groups of second power rollers which are arranged side by side, two ends of each second power roller are respectively coupled with the second roller vertical plates, the three groups of second power rollers are arranged in a triangular shape, and one group of second power rollers is arranged close to one side of the second micro piezoelectric stack;
the device also comprises a conveying mechanism; the conveying mechanism comprises a conveying belt and two transmission shafts, the conveying belt is sleeved on the two transmission shafts, and two ends of each transmission shaft are respectively connected with a bearing block in a shaft mode.
The invention is further arranged in such a way that a side surface of the long arm of the sliding table is provided with a rib, a side surface of the servo motor is provided with a sliding groove, and the rib is connected with the sliding groove in a sliding way.
The invention is further provided that two ends of the linear motor box are respectively provided with an end cover plate.
The invention is further provided that the beam plate is also provided with a reinforcing plate.
The invention has the beneficial effects that: the invention adopts the micro-dynamic piezoelectric stack for fine adjustment, so that the base film of the electronic device is less damaged by the folding roller, adopts the grains with opposite directions on the double-folding roller, the shadowless elastic adhesive tape is in a stretching state, the part of the shadowless elastic adhesive tape, which is stressed by the grains, can be bonded with the base film of the electronic device, the part of the shadowless elastic adhesive tape, which is not stressed by the grains, can not be bonded with the base film of the electronic device, when the stretching strain of the shadowless elastic adhesive tape is released, the shadowless elastic adhesive tape shrinks, the shrinking force enables the part, which is not bonded with the shadowless elastic adhesive tape, of the base film of the electronic device to be bent and arched upwards to generate a reticular or interference corrugated folding structure, the prepared folding PCB has better stretching performance, more uniform performance and better stability, the base film with radian is arranged, so that the base film of the electronic device is, the invention has the advantages of simple structure, high efficiency and low cost, and is suitable for large-scale production of the folded PCB.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view from another perspective of the present invention;
FIG. 4 is an exploded view of the sliding mechanism of the present invention;
FIG. 5 is a schematic view of the construction of the lift mechanism of the present invention;
FIG. 6 is a schematic structural view of the pulling roll mechanism of the present invention;
FIG. 7 is a schematic view of a first crumpling roller in comparison to a second crumpling roller in accordance with the present invention;
description of reference numerals: 12-a first shim plate; 21-linear motor box; 211-end cover plate; 22-linear guide rail; 23-motor moving block; 24-a slide block; 31-a beam plate; 41-a servo motor; 411-a chute; 42-a slide table; 421-a transmission rod; 422-ribs; 43-a first micro-dynamic piezoelectric stack; 44-a support; 45-a first crumpling roller; 51-a second shim plate; 52-second micro-dynamic piezoelectric stack; 61-a first roller riser; 62-a first powered roller; 63-a second crumpling roller; 71-lines; 81-a second roller riser; 82-a second powered roller; 91-a conveyor belt; 92-a drive shaft; 93-bearing seat.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 7, the preparation mechanism of a slide table corrugated PCB electronic device according to the embodiment includes a first backing plate 12;
the first base plate 12 is provided with two sliding mechanisms side by side, each sliding mechanism comprises a linear motor box 21, two linear guide rails 22 are arranged on the linear motor box 21 side by side, the first base plate further comprises a T-shaped motor moving block 23, the bottom surfaces of two ends of a cross arm of the motor moving block 23 are respectively provided with a sliding block 24, and the sliding blocks 24 are connected with the linear guide rails 22 in a sliding manner;
the motor also comprises a 'shaped' cross beam plate 31, and two ends of a short arm of the cross beam plate 31 are respectively fixed on the motor moving block 23;
the lifting mechanism comprises a servo motor 41, the servo motor 41 is fixed on the cross beam plate 31, the lifting mechanism further comprises a' shaped sliding table 42, a long arm of the sliding table 42 is connected with the servo motor 41 in a sliding mode, a short arm of the sliding table 42 is provided with a transmission rod 421, the transmission rod 421 is connected with a power output end of the servo motor 41, a first micro dynamic pressure pile 43 is installed on the bottom surface of the sliding table 42, a U-shaped support 44 is installed on the first micro dynamic pressure pile 43, and a first corrugation roller 45 is connected with the support 44 in a shaft coupling mode;
the material drawing device further comprises a second backing plate 51, the second backing plate 51 is fixed on the first backing plate 12, the second backing plate 51 is located between the two sliding mechanisms, a second micro dynamic piezoelectric stack 52 is arranged on the second backing plate 51, a material drawing roller mechanism is arranged on one side of the second backing plate 51, the material drawing roller mechanism comprises two first roller vertical plates 61 and a first power roller 62 which are arranged side by side, two ends of the first power roller 62 are respectively in shaft connection with the first roller vertical plates 61, the material drawing device further comprises a second corrugation roller 63, two ends of the second corrugation roller 63 are respectively in shaft connection with the two first roller vertical plates 61, the second corrugation roller 63 is located above the first power roller 62, a gap for a corrugation PCB to pass through is arranged between the second corrugation roller 63 and the first power roller 62, the second corrugation roller 63 and the first corrugation roller 45 are respectively provided with inclined corrugation 71, the second corrugation roller 63 and the texture 71 on the first corrugation roller 45 are opposite in direction, and the texture 71 also has a radian;
the device also comprises a feeding mechanism, wherein the feeding mechanism is positioned on the other side of the second base plate 51; the feeding mechanism comprises two second roller vertical plates 81 and three groups of second power rollers 82 which are arranged side by side, two ends of each second power roller 82 are respectively coupled with the second roller vertical plates 81, the three groups of second power rollers 82 are arranged in a triangular shape, and one group of second power rollers 82 is arranged close to one side of the second micro dynamic pile 52;
the device also comprises a conveying mechanism; the conveying mechanism comprises a conveying belt 91 and two transmission shafts 92, the conveying belt 91 is sleeved on the two transmission shafts 92, and bearing blocks 93 are respectively coupled to two ends of each transmission shaft 92.
The working mode of the embodiment is as follows: the electronic device base film and the shadowless elastic adhesive tape are fed through the feeding mechanism, the shadowless elastic adhesive tape is in a stretching state, and the shadowless elastic adhesive tape is positioned above the electronic device base film; firstly, the servo motor 41 is driven to drive the first corrugation roller 45 to downwards move, when a certain gap exists between the first corrugation roller 45 and the shadowless elastic adhesive tape, the servo motor 41 stops driving, then the first micro dynamic pressure pile 43 works to push the first corrugation roller 45 to slowly contact the shadowless elastic adhesive tape, then the second micro dynamic pressure pile 52 works to enable the base film of the electronic device to be slowly attached to the shadowless elastic adhesive tape, then the two linear motor boxes 21 are driven simultaneously to drive the first corrugation roller 45 to roll on the shadowless elastic adhesive tape, when the first corrugation roller 45 rolls from one end of the second micro dynamic pressure pile 52 to the other end, the two linear motor boxes 21 stop driving simultaneously, meanwhile, the servo motor 41 drives the first corrugation roller 45 to ascend, then the two linear roller boxes 21 are driven again, the first folding roller 45 is driven to return to the initial position, the part of the shadowless elastic adhesive tape, which is pressed by the lines 71, can be bonded with the base film of the electronic device, and the part of the shadowless elastic adhesive tape, which is not pressed by the lines 71, can not be bonded with the base film of the electronic device; then under the drive of the first roller vertical plate, the electronic device base film and the shadowless elastic adhesive tape move towards the direction of the conveying belt, the shadowless elastic adhesive tape at the part subjected to the pressure of the first folding roller 45 passes through the material pulling roller mechanism, the second folding roller 63 rolls the shadowless elastic adhesive tape, and similarly, the part subjected to the pressure of the grain 71 of the shadowless elastic adhesive tape can be bonded with the electronic device base film, and the part not subjected to the pressure of the grain 71 of the shadowless elastic adhesive tape cannot be bonded with the electronic device base film, because the grain 71 directions of the first folding roller 45 and the second folding roller 63 are opposite, the shadowless elastic adhesive tape passes through the second folding roller 63, a reticular or interference corrugated indentation can be generated, when the tensile strain on the shadowless elastic adhesive tape is released, the shadowless elastic adhesive tape shrinks, and the shrinking force enables the part, which is not bonded with the shadowless elastic adhesive tape, of the electronic device base film to be bent, And the folded PCB is arched upwards to form a folded structure with a net shape or interference corrugation shape, so that the preparation of the folded PCB is completed, and the prepared folded PCB is conveyed through the conveying mechanism and simultaneously is cut off.
This embodiment adopts first little dynamic pressure pile 43 and the little dynamic pressure pile 52 of second to finely tune, it is littleer to make the electron device base film receive first fold roller bearing 45's damage, adopt first fold roller bearing 45 and the opposite line 71 of direction above the second fold roller bearing 63, produce netted or interference corrugate fold structure, but the stretching performance of the fold PCB of preparation is better, the performance is more homogeneous, stability is better, the setting has the line 71 of radian, make the atress of electron device base film more even, reduce the damage of electron device base film, guarantee the quality and the reliability of fold PCB, this embodiment simple structure, high efficiency, it is with low costs, be fit for large-scale production fold PCB.
On the basis of above-mentioned embodiment, further set up to, a side of the long arm of slip table 42 is equipped with rib 422, a side of servo motor 41 is equipped with spout 411, plays the spacing effect of direction, rib 422 with spout 411 sliding connection, simple structure realizes that the precision is high, the fast displacement action of response.
Based on the above embodiment, it is further configured that end cover plates 211 are further respectively disposed at two ends of the linear motor box 21 to prevent the motor moving block 23 from falling off from the linear guide 22.
Based on the above embodiment, it is further configured that the beam plate 31 is further provided with a reinforcing plate, so that the structure is firmer.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (4)
1. The utility model provides a slip table fold PCB electron device preparation mechanism which characterized in that: comprises a first backing plate (12);
the first base plate (12) is provided with two sliding mechanisms side by side, each sliding mechanism comprises a linear motor box (21), two linear guide rails (22) are arranged on the linear motor boxes (21) side by side, the first base plate further comprises a T-shaped motor moving block (23), the bottom surfaces of two ends of a cross arm of the motor moving block (23) are respectively provided with a sliding block (24), and the sliding blocks (24) are connected with the linear guide rails (22) in a sliding mode;
the motor is characterized by further comprising a shaped cross beam plate (31), wherein two ends of a short arm of the cross beam plate (31) are respectively fixed on the motor moving block (23);
the lifting mechanism comprises a servo motor (41), the servo motor (41) is fixed on the cross beam plate (31), the lifting mechanism further comprises a shaped sliding table (42), a long arm of the sliding table (42) is connected with the servo motor (41) in a sliding mode, a short arm of the sliding table (42) is provided with a transmission rod (421), the transmission rod (421) is connected with a power output end of the servo motor (41), a first micro dynamic pressure pile (43) is installed on the bottom surface of the sliding table (42), a reversed U-shaped support (44) is installed on the first micro dynamic pressure pile (43), and the support (44) is connected with a first corrugation roller (45) in a shaft mode;
the material drawing device is characterized by further comprising a second base plate (51), the second base plate (51) is fixed on the first base plate (12), the second base plate (51) is located between the two sliding mechanisms, a second micro dynamic piezoelectric stack (52) is arranged on the second base plate (51), a material drawing roller mechanism is arranged on one side of the second base plate (51) and comprises two first roller vertical plates (61) and a first power roller (62) which are arranged side by side, two ends of the first power roller (62) are respectively in shaft connection with the first roller vertical plates (61), the material drawing device further comprises a second corrugation roller (63), two ends of the second corrugation roller (63) are respectively in shaft connection with the two first roller vertical plates (61), the second corrugation roller (63) is located above the first power roller (62), and a gap for a corrugation PCB to pass through is arranged between the second corrugation roller (63) and the first power roller (62), the second corrugation roller (63) and the first corrugation roller (45) are respectively provided with inclined grains (71), the directions of the grains (71) on the second corrugation roller (63) and the first corrugation roller (45) are opposite, and the grains (71) also have radian;
the device also comprises a feeding mechanism, wherein the feeding mechanism is positioned on the other side of the second base plate (51); the feeding mechanism comprises two second roller vertical plates (81) and three groups of second power rollers (82) which are arranged side by side, two ends of each second power roller (82) are respectively connected with the second roller vertical plates (81) in a shaft mode, the three groups of second power rollers (82) are arranged in a triangular mode, and one group of second power rollers (82) are arranged close to one side of the second micro dynamic pile (52);
the device also comprises a conveying mechanism; the conveying mechanism comprises a conveying belt (91) and two transmission shafts (92), the conveying belt (91) is sleeved on the two transmission shafts (92), and two ends of each transmission shaft (92) are respectively connected with a bearing block (93) in a shaft mode.
2. The slide table corrugated PCB electronic device manufacturing mechanism of claim 1, wherein: a side of the long arm of the sliding table (42) is provided with a rib (422), a side of the servo motor (41) is provided with a sliding groove (411), and the rib (422) is connected with the sliding groove (411) in a sliding manner.
3. The slide table corrugated PCB electronic device manufacturing mechanism of claim 1, wherein: and end cover plates (211) are respectively arranged at two ends of the linear motor box (21).
4. The slide table corrugated PCB electronic device manufacturing mechanism of claim 1, wherein: the beam plate (31) is also provided with a reinforcing plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459958.5A CN108668427B (en) | 2018-05-15 | 2018-05-15 | Preparation mechanism for sliding table fold PCB electronic device |
| CN202011113359.1A CN112312756B (en) | 2018-05-15 | 2018-05-15 | Manufacturing method of sliding table corrugated PCB electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459958.5A CN108668427B (en) | 2018-05-15 | 2018-05-15 | Preparation mechanism for sliding table fold PCB electronic device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011113359.1A Division CN112312756B (en) | 2018-05-15 | 2018-05-15 | Manufacturing method of sliding table corrugated PCB electronic device |
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| Publication Number | Publication Date |
|---|---|
| CN108668427A CN108668427A (en) | 2018-10-16 |
| CN108668427B true CN108668427B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011113359.1A Active CN112312756B (en) | 2018-05-15 | 2018-05-15 | Manufacturing method of sliding table corrugated PCB electronic device |
| CN201810459958.5A Active CN108668427B (en) | 2018-05-15 | 2018-05-15 | Preparation mechanism for sliding table fold PCB electronic device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011113359.1A Active CN112312756B (en) | 2018-05-15 | 2018-05-15 | Manufacturing method of sliding table corrugated PCB electronic device |
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| CN (2) | CN112312756B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101018454A (en) * | 2006-02-09 | 2007-08-15 | 日本梅克特隆株式会社 | Device and method for manufacturing flexible printing substrate |
| CN103187008A (en) * | 2011-12-30 | 2013-07-03 | 三星电子株式会社 | Display device |
| CN106601933A (en) * | 2016-12-12 | 2017-04-26 | 吉林大学 | Preparation method for stretchable electronic device with regular corrugated structure |
| CN106640934A (en) * | 2015-07-21 | 2017-05-10 | 联想(北京)有限公司 | Coating mechanism and electronic device with coating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS59219980A (en) * | 1983-05-28 | 1984-12-11 | 株式会社フジクラ | Method of bending flexible printed board |
| JP4937482B2 (en) * | 2000-05-22 | 2012-05-23 | 東レエンジニアリング株式会社 | Chip mounting apparatus and alignment method in the apparatus |
| WO2012021154A1 (en) * | 2010-07-09 | 2012-02-16 | The Paper Battery Company, Inc. | Energy storage and dispensing flexible sheeting device |
| CN103379680B (en) * | 2012-04-28 | 2015-08-26 | 清华大学 | The preparation method of heating resistance pad |
| US20170226914A1 (en) * | 2014-10-15 | 2017-08-10 | Acat Global | Fan fold bonded metal catalyst substrate and method for constructing the same |
| CN206389616U (en) * | 2017-02-08 | 2017-08-08 | 厦门市铂联科技股份有限公司 | Flexible PCB horizontal guide |
| CN107416525A (en) * | 2017-05-15 | 2017-12-01 | 苏州锦浩翔自动化有限公司 | A kind of roller conveying rule equipment |
| CN207184935U (en) * | 2017-08-24 | 2018-04-03 | 深圳市品兴泰科技有限公司 | A kind of FPC laminating apparatus |
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2018
- 2018-05-15 CN CN202011113359.1A patent/CN112312756B/en active Active
- 2018-05-15 CN CN201810459958.5A patent/CN108668427B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018454A (en) * | 2006-02-09 | 2007-08-15 | 日本梅克特隆株式会社 | Device and method for manufacturing flexible printing substrate |
| CN103187008A (en) * | 2011-12-30 | 2013-07-03 | 三星电子株式会社 | Display device |
| CN106640934A (en) * | 2015-07-21 | 2017-05-10 | 联想(北京)有限公司 | Coating mechanism and electronic device with coating mechanism |
| CN106601933A (en) * | 2016-12-12 | 2017-04-26 | 吉林大学 | Preparation method for stretchable electronic device with regular corrugated structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108668427A (en) | 2018-10-16 |
| CN112312756A (en) | 2021-02-02 |
| CN112312756B (en) | 2022-01-28 |
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Effective date of registration: 20201202 Address after: 343400 Yongxin County Industrial Development Zone, Ji'an City, Jiangxi Province Applicant after: JIANGXI ZHONGDATAI TECHNOLOGY Co.,Ltd. Address before: 518000 A, 6 / F, Kim Guangxia Arts Park, 3 Guangxia Road, Futian District, Shenzhen, Guangdong. Applicant before: Zhang Haigen |
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Denomination of invention: A Mechanism for Preparing Slide Fold PCB Electronic Devices Effective date of registration: 20230530 Granted publication date: 20201222 Pledgee: Jiangxi Yongxin Rural Commercial Bank Co.,Ltd. Pledgor: JIANGXI ZHONGDATAI TECHNOLOGY Co.,Ltd. Registration number: Y2023980042316 |