CN110677999B - Alignment and lamination method for FPC (Flexible printed Circuit) adhered reinforced steel sheet - Google Patents
Alignment and lamination method for FPC (Flexible printed Circuit) adhered reinforced steel sheet Download PDFInfo
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- CN110677999B CN110677999B CN201910969806.4A CN201910969806A CN110677999B CN 110677999 B CN110677999 B CN 110677999B CN 201910969806 A CN201910969806 A CN 201910969806A CN 110677999 B CN110677999 B CN 110677999B
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- steel sheet
- fpc
- reference line
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
- H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink
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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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/166—Alignment or registration; Control of registration
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a contraposition attaching method for FPC (flexible printed circuit) adhered reinforced steel sheets, which comprises the following steps of: step S1, adding an alignment reference line for marking waste materials on a film for pattern transfer, wherein the alignment reference line is manufactured together with an FPC (flexible printed circuit) circuit; step S2, manufacturing raw materials into FPC according to the film through an FPC manufacturing process; step S3, editing a steel sheet material for manufacturing a reinforced steel sheet, and describing a regular reference point and a reference line on the steel sheet material to keep the distance between the edge of the steel sheet material and the reference line of the steel sheet material; step S4, when the material position of the single steel sheet is edited, the positions of other steel sheets are copied according to the makeup of the engineering drawing so as to edit the whole FPC steel sheet; step S5, the first piece alignment precision of the edited reinforced steel sheet is confirmed; and step S6, performing automatic adsorption and lamination on the reinforced steel sheets in batches. The problem of accurate counterpoint when the steel sheet reinforcement is bigger than the product appearance is solved.
Description
Technical Field
The invention relates to the technical field of flexible circuit board manufacturing, in particular to a contraposition laminating method for sticking a reinforced steel sheet on an FPC (flexible printed circuit).
Background
In the manufacturing process of the FPC (flexible printed circuit), a steel sheet is attached to the back of a bonding pad area of the FPC for reinforcement or other reinforcements to enhance the hardness, so that the flatness of the FPC is improved, and reliability guarantee is provided for SMT (surface mount technology) printing.
However, the steel sheet has a large reinforcing appearance and a small appearance of the FPC, the FPC is arranged below the steel sheet, and the steel sheet blocks the appearance of the FPC in alignment, so that whether the alignment is accurate cannot be determined, and the problems of poor quality caused by poor alignment precision can be caused.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
For the reasons, the applicant proposes an alignment and bonding method for adhering a reinforcing steel sheet to an FPC, aiming at solving the above problems.
Disclosure of Invention
In order to meet the requirements, the invention aims to provide a contraposition and attachment method for sticking a reinforced steel sheet to an FPC, which aims to solve the problem of a contraposition datum line between steel sheet reinforcement contraposition and a soft plate, solve the contraposition precision of steel sheet reinforcement and the FPC and avoid the risk that the FPC edge cannot be identified by contraposition according to the steel sheet edge in the traditional method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the alignment and lamination method for adhering the reinforced steel sheets to the FPC comprises the following steps of:
step S1, adding an alignment reference line for marking waste materials on a film for pattern transfer, wherein the alignment reference line is manufactured together with an FPC (flexible printed circuit) circuit;
step S2, manufacturing raw materials into FPC according to the film through an FPC manufacturing process;
step S3, editing a steel sheet material for manufacturing a reinforced steel sheet, and describing a regular reference point and a reference line on the steel sheet material to keep the distance between the edge of the steel sheet material and the reference line of the steel sheet material;
step S4, when the material position of the single steel sheet is edited, the positions of other steel sheets are copied according to the makeup of the engineering drawing so as to edit the whole FPC steel sheet;
step S5, the first piece contraposition precision of the edited reinforced steel sheet is confirmed, the deviation is corrected, and the deviation is adjusted in the opposite direction until the precision requirement is met;
and step S6, after the first piece is confirmed to be qualified, performing automatic adsorption fitting on the reinforced steel sheets in batches, and performing hot-pressing curing on the fitted product after spot check without deviation so that the reinforced steel sheets are tightly and accurately adhered to the reinforcing area of the product.
Preferably, the size of the reinforcing steel sheet is larger than that of the FPC.
The product is further provided with an outer alignment reference line which is matched with the reference line and the reference point of the reinforced steel sheet so as to realize the adsorption fitting in the step S6.
The further technical scheme is that the FPC manufacturing process comprises one or more of the following steps: and (3) attaching/pressing the COV, sinking the gold, punching and hanging the product in three parts.
Further, in the step S3, the steel sheet material used for manufacturing the reinforced steel sheet is edited by using an automatic reinforcing machine.
The further technical scheme is that the distance between the edge of the steel sheet material and the reference line of the steel sheet material is marked by engineering drawings or measured by using a ruler.
Compared with the prior art, the invention has the beneficial effects that: the counterpoint laminating method for sticking the reinforcing steel sheet to the FPC adopts the scheme that a counterpoint base line is confirmed outside the FPC product, the base point is in the region outside the steel sheet reinforcing coverage region, when the laminating data is manufactured, the distance from the steel sheet edge to a counterpoint datum line is set, the reinforcing steel sheet is inwards moved according to the set distance after being aligned with the datum line during laminating and then is laminated with the reinforcing position of the FPC, and the following advantages are obtained:
1. the problem of accurate alignment when the steel sheet reinforcement is larger than the product appearance is solved;
2. breaks through the pasting mode that only a small steel sheet can be pasted on a relatively large product in the traditional processing so as to align the edges;
3. the counterpoint mode of this scheme can enlarge to the counterpoint of all products to improve processing production efficiency.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic flow chart illustrating an embodiment of a method for attaching a reinforcing steel sheet to an FPC;
FIG. 2 is a schematic diagram of a product status mark of an embodiment of the alignment and bonding method for FPC bonding reinforcing steel sheet according to the present invention;
fig. 3 is a schematic view of the product status indicia of the bottom view of fig. 2.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
As shown in the schematic flow chart of the method shown in fig. 1, the schematic flow chart of the specific embodiment of the alignment and attachment method for attaching the reinforcing steel sheet to the FPC disclosed in the present invention includes the following steps:
step S1, adding an alignment reference line for marking waste materials on a film for pattern transfer, wherein the alignment reference line is manufactured together with an FPC (flexible printed circuit) circuit;
step S2, manufacturing raw materials into FPC according to the film through an FPC manufacturing process;
step S3, editing a steel sheet material for manufacturing a reinforced steel sheet, and describing a regular reference point and a reference line on the steel sheet material to keep the distance between the edge of the steel sheet material and the reference line of the steel sheet material;
step S4, when the material position of the single steel sheet is edited, the positions of other steel sheets are copied according to the makeup of the engineering drawing so as to edit the whole FPC steel sheet;
step S5, the first piece contraposition precision of the edited reinforced steel sheet is confirmed, the deviation is corrected, and the deviation is adjusted in the opposite direction until the precision requirement is met;
and step S6, after the first piece is confirmed to be qualified, performing automatic adsorption fitting on the reinforced steel sheets in batches, and performing hot-pressing curing on the fitted product after spot check without deviation so that the reinforced steel sheets are tightly and accurately adhered to the reinforcing area of the product.
Preferably, the size of the reinforcing steel sheet is larger than that of the FPC.
As a preferred embodiment, the product has an outer alignment reference line L (as shown in fig. 2 and 3), and the outer alignment reference line L is matched with the reference line and the reference point of the reinforcing steel sheet C (as shown in fig. 2 and 3) to realize the suction bonding in step S6.
Specifically, as shown in fig. 2 and 3, A, B (where the FPC is located below and covered by the reinforcing steel sheet C) indicates a distance from the reinforcing steel sheet C to the alignment reference line L, and in actual production, the alignment reference line L at one or two corners is used as a base point, and if the base point is determined by using the lower left corner line, two adjacent edges of the reinforcing steel sheet C are aligned with two edges of the lower left corner reference line L, and then the base point is moved upward a1 and rightward B1, that is, a position to which the reinforcing steel sheet C should be attached, and the other steps are repeated to achieve alignment attachment.
As a preferred embodiment, the FPC manufacturing process includes one or more of the following: and (3) attaching/pressing the COV, sinking the gold, punching and hanging the product in three parts. In addition, the FPC manufacturing process substantially includes, but is not limited to, the above steps, and may include other steps within a predictable processing range.
As a preferred embodiment, the step S3 edits the steel sheet material used for manufacturing the reinforced steel sheet using an automatic reinforcing machine.
As a preferred embodiment, the distance between the edge of the steel sheet material and the reference line of the steel sheet material is marked by engineering drawings or measured using a ruler.
In summary, according to the alignment and lamination method for sticking the reinforced steel sheet to the FPC in the present scheme, an alignment baseline is confirmed outside the FPC product, and the base point is in the region outside the steel sheet reinforced coverage region, and when the lamination data is manufactured, the distance from the edge of the steel sheet to the alignment reference line is set, so that the reinforced steel sheet is aligned with the reference line and then moved inwards according to the set distance during lamination and then is laminated with the reinforced position of the FPC; the following advantages are obtained:
1. the problem of accurate alignment when the steel sheet reinforcement is larger than the product appearance is solved;
2. breaks through the pasting mode that only a small steel sheet can be pasted on a relatively large product in the traditional processing so as to align the edges;
3. the counterpoint mode of this scheme can enlarge to the counterpoint of all products to improve processing production efficiency.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (2)
1. The alignment and lamination method for adhering the reinforced steel sheets to the FPC is characterized by comprising the following steps of:
step S1, adding an alignment reference line for marking waste materials on a film for pattern transfer, wherein the alignment reference line is manufactured together with an FPC (flexible printed circuit) circuit;
step S2, manufacturing raw materials into FPC according to the film through an FPC manufacturing process;
step S3, editing a steel sheet material for manufacturing a reinforced steel sheet, and describing a regular reference point and a reference line on the steel sheet material to keep the distance between the edge of the steel sheet material and the reference line of the steel sheet material;
step S4, when the material position of the single steel sheet is edited, the positions of other steel sheets are copied according to the makeup of the engineering drawing so as to edit the whole FPC steel sheet;
step S5, the first piece contraposition precision of the edited reinforced steel sheet is confirmed, the deviation is corrected, and the deviation is adjusted in the opposite direction until the precision requirement is met;
step S6, after the first piece is confirmed to be qualified, the reinforced steel sheets are automatically adsorbed and attached in batches, and the attached product is subjected to spot check without deviation and then is subjected to hot pressing and curing to enable the reinforced steel sheets to be accurately adhered to the reinforcing area of the product;
the size of the reinforced steel sheet is larger than that of the FPC;
the product is provided with an outer alignment reference line which is matched with the reference line and the reference point of the reinforced steel sheet so as to realize the adsorption fitting in the step S6;
the step S3 is editing a steel sheet material for manufacturing a reinforcing steel sheet by using an automatic reinforcing machine;
the distance between the edge of the steel sheet material and the reference line of the steel sheet material is marked by engineering drawings or measured using a ruler.
2. The alignment and bonding method for attaching the reinforcing steel sheet to the FPC as claimed in claim 1, wherein the FPC manufacturing process includes one or more of the following steps: and (3) attaching/pressing the COV, sinking the gold, punching and hanging the product in three parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969806.4A CN110677999B (en) | 2019-10-12 | 2019-10-12 | Alignment and lamination method for FPC (Flexible printed Circuit) adhered reinforced steel sheet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910969806.4A CN110677999B (en) | 2019-10-12 | 2019-10-12 | Alignment and lamination method for FPC (Flexible printed Circuit) adhered reinforced steel sheet |
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| CN110677999A CN110677999A (en) | 2020-01-10 |
| CN110677999B true CN110677999B (en) | 2020-12-04 |
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| CN111278222B (en) * | 2020-02-22 | 2021-06-15 | 瑞声科技(沭阳)有限公司 | Reinforcement manufacturing and laminating method |
| CN112203396A (en) * | 2020-09-14 | 2021-01-08 | 苏州安洁科技股份有限公司 | Product stacking method |
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| JP2006228885A (en) * | 2005-02-16 | 2006-08-31 | Sumitomo Bakelite Co Ltd | Manufacturing method of flexible circuit board with reinforcing plate |
| JP2007189071A (en) * | 2006-01-13 | 2007-07-26 | Sumitomo Bakelite Co Ltd | Jig board |
| CN102655712B (en) * | 2012-03-26 | 2014-07-30 | 宁波赛特信息科技发展有限公司 | Aligning lamination pressing machine of semi-automatic reinforcing sheet of flexible printed circuit board |
| CN205491423U (en) * | 2016-01-08 | 2016-08-17 | 昆山龙显电子有限公司 | Reinforcement structure of flexible line way board |
| CN107509304B (en) * | 2017-08-02 | 2019-09-13 | 深圳市景旺电子股份有限公司 | A kind of method of flexible electric circuit board reinforcement steel disc |
| CN107683011A (en) * | 2017-10-24 | 2018-02-09 | 广东欧珀移动通信有限公司 | Preparation method, flexible PCB and the mobile terminal of flexible PCB |
| CN107846779A (en) * | 2017-10-24 | 2018-03-27 | 广东欧珀移动通信有限公司 | Preparation method, flexible PCB and the mobile terminal of flexible PCB |
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